xss fixes from audit:

- F1 case_detail.html: scheme-check source_ref href (block javascript: URLs)
- F2 admin.html / F3 admin_federation.html: replace inline onsubmit confirm()
  with data-attr + global handler in base.html (no more label/domain
  interpolation into onsubmit attribute string)
- federation.register_peer: validate hostname + fingerprint regex at ingest
- federation_explore.html: window.PSYC_EXPLORE via | tojson
- federation_network.js: DOMAIN_RE guard on peer-supplied domain before
  building cross-origin fetch URL (also closes open-redirect via 'open
  their explorer' button)
- app.py: nosniff + Referrer-Policy: no-referrer + X-Frame-Options: DENY
- sw.js: psyc-v11 cache bump

CSP deferred — needs inline scripts moved to external files first.
Tests: +2 cases, 245/245 green.

.gitignore

@@ -14,6 +14,9 @@ data/
 .env
 .env.local
 
+# per-operator federation host list (SSH targets are sensitive)
+scripts/hosts
+
 # editors
 .vscode/
 .idea/

pyproject.toml

@@ -23,6 +23,7 @@ dependencies = [
     "pyotp>=2.9",
     "qrcode[pil]>=7.4",
     "itsdangerous>=2.1",
+    "dnspython>=2.4",
 ]
 
 [project.optional-dependencies]

scripts/deploy-all.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+# Deploy the current main commit to every federation host listed in
+# scripts/hosts (one node per line: LABEL SSH_TARGET REMOTE_PATH PUBLIC_URL).
+# Loops scripts/deploy.sh against each. Bails on first failure unless --keep-going.
+set -euo pipefail
+
+HOSTS_FILE="${PSYC_HOSTS_FILE:-$(dirname "$0")/hosts}"
+KEEP_GOING=0
+for arg in "$@"; do
+  case "$arg" in
+    --keep-going) KEEP_GOING=1 ;;
+    -h|--help)
+      echo "usage: $0 [--keep-going]"
+      echo "  reads $HOSTS_FILE (override with PSYC_HOSTS_FILE=...)"
+      exit 0
+      ;;
+  esac
+done
+
+if [[ ! -f "$HOSTS_FILE" ]]; then
+  echo "no hosts file at $HOSTS_FILE — copy scripts/hosts.example to scripts/hosts and edit" >&2
+  exit 2
+fi
+
+declare -a OK=() FAIL=()
+while IFS= read -r line; do
+  # skip blanks + comments
+  [[ -z "${line// /}" || "${line# }" == \#* ]] && continue
+  # shellcheck disable=SC2206
+  parts=($line)
+  if [[ ${#parts[@]} -lt 4 ]]; then
+    echo "[deploy-all] skipping malformed line: $line" >&2
+    continue
+  fi
+  LABEL="${parts[0]}"
+  SSH_TARGET="${parts[1]}"
+  REMOTE_PATH="${parts[2]}"
+  PUBLIC_URL="${parts[3]}"
+
+  echo
+  echo "════════════════════════════════════════════════════════════════"
+  echo "  deploying → $LABEL  ($SSH_TARGET:$REMOTE_PATH  →  $PUBLIC_URL)"
+  echo "════════════════════════════════════════════════════════════════"
+
+  if PSYC_PROD_HOST="$SSH_TARGET" \
+     PSYC_PROD_PATH="$REMOTE_PATH" \
+     PSYC_PROD_URL="$PUBLIC_URL" \
+     bash "$(dirname "$0")/deploy.sh" < /dev/null; then
+    OK+=("$LABEL")
+  else
+    FAIL+=("$LABEL")
+    if [[ $KEEP_GOING -ne 1 ]]; then
+      echo "[deploy-all] $LABEL failed — stopping. pass --keep-going to continue past failures." >&2
+      break
+    fi
+  fi
+done < "$HOSTS_FILE"
+
+echo
+echo "════════════════════════════════════════════════════════════════"
+echo "  summary"
+echo "════════════════════════════════════════════════════════════════"
+echo "  ok:     ${OK[*]:-(none)}"
+echo "  failed: ${FAIL[*]:-(none)}"
+[[ ${#FAIL[@]} -eq 0 ]]

scripts/hosts.example

@@ -0,0 +1,6 @@
+# Federation hosts — one node per line.
+# Format: LABEL  SSH_TARGET  REMOTE_PATH  PUBLIC_URL
+# Lines starting with # are ignored. Copy to scripts/hosts and edit.
+prod        neuronetz@cloud.neuronetz.ai      /home/neuronetz/docker-public/neuro-psyc   https://psyc.neuronetz.ai
+sto         user@sto-host.example             /path/to/neuro-psyc                        https://psyc.maschinen-stockert.de
+bittomine   user@bittomine-host.example       /path/to/neuro-psyc                        https://psyc.bittomine.com

src/psyc/_federation_cli.py

@@ -7,14 +7,14 @@ from __future__ import annotations
 
 import json
 from pathlib import Path
-from typing import Optional
+from typing import List, Optional
 
 import httpx
 import typer
 
 from psyc import db, log
-from psyc.lines import federation
-from psyc.result import Err
+from psyc.lines import discovery, federation, network_view, pulse, topology_export, translog
+from psyc.result import Err, Ok
 
 
 _log = log.get(__name__)
@@ -133,3 +133,221 @@ def register(typer_app: typer.Typer) -> None:
         db.init_db()
         federation.remove_peer(domain)
         typer.echo(f"removed {domain}")
+
+    # ---------- discovery (DNS-SD walker) ----------------------------------
+
+    @typer_app.command("fed-resolve")
+    def fed_resolve(
+        domain: str = typer.Argument(..., help="domain to look up via _psyc._tcp.<domain>"),
+        timeout: float = typer.Option(5.0, "--timeout", help="DNS lookup timeout, seconds"),
+    ) -> None:
+        """Resolve a domain's psyc DNS-SD record. Prints fingerprint + port."""
+        result = discovery.resolve_psyc(domain, timeout=timeout)
+        if isinstance(result, Err):
+            typer.echo(f"error: {result.reason}", err=True)
+            raise typer.Exit(1)
+        c = result.value
+        typer.echo(f"  domain      {c.domain}")
+        typer.echo(f"  fingerprint {c.fingerprint}")
+        typer.echo(f"  port        {c.port}")
+        typer.echo(f"  source      {c.source}")
+
+    @typer_app.command("fed-walk")
+    def fed_walk(
+        seeds: List[str] = typer.Argument(..., help="one or more seed domains"),
+        depth: int = typer.Option(2, "--depth", help="max BFS depth"),
+        max_peers: int = typer.Option(200, "--max-peers", help="cap discovered candidates"),
+        record: bool = typer.Option(False, "--record", help="persist candidates as status=unknown"),
+    ) -> None:
+        """Walk DNS-SD + peer-public from `seeds`. Prints discovered table."""
+        db.init_db()
+        cands = discovery.walk(seeds, max_depth=depth, max_peers=max_peers)
+        if not cands:
+            typer.echo("(no candidates discovered)")
+            return
+        typer.echo(f"{'domain':<32} {'fingerprint':<24} {'port':>5}  source")
+        for c in cands:
+            fp = f"{c.fingerprint[:8]}…{c.fingerprint[-8:]}"
+            typer.echo(f"{c.domain:<32} {fp:<24} {c.port:>5}  {c.source}")
+        if record:
+            for c in cands:
+                discovery.record_candidate(c)
+            typer.echo(f"recorded {len(cands)} candidate(s) into peers table")
+
+    @typer_app.command("fed-seeds-list")
+    def fed_seeds_list() -> None:
+        """Print the operator-curated discovery seed list."""
+        db.init_db()
+        seeds = pulse.get_discovery_seeds()
+        if not seeds:
+            typer.echo("(no seeds configured)")
+            return
+        for s in seeds:
+            typer.echo(s)
+
+    @typer_app.command("fed-seeds-add")
+    def fed_seeds_add(domain: str = typer.Argument(...)) -> None:
+        """Append a seed domain (no-op if already present)."""
+        db.init_db()
+        seeds = pulse.get_discovery_seeds()
+        d = domain.strip()
+        if d in seeds:
+            typer.echo(f"{d} already a seed")
+            return
+        seeds.append(d)
+        pulse.set_discovery_seeds(seeds)
+        typer.echo(f"added seed {d}")
+
+    @typer_app.command("fed-seeds-remove")
+    def fed_seeds_remove(domain: str = typer.Argument(...)) -> None:
+        """Remove a seed domain (no-op if absent)."""
+        db.init_db()
+        seeds = pulse.get_discovery_seeds()
+        d = domain.strip()
+        if d not in seeds:
+            typer.echo(f"{d} not in seeds")
+            return
+        seeds = [s for s in seeds if s != d]
+        pulse.set_discovery_seeds(seeds)
+        typer.echo(f"removed seed {d}")
+
+    # ---------- vouching + quorum --------------------------------------
+
+    @typer_app.command("fed-vouch")
+    def fed_vouch(
+        target_fp: str = typer.Argument(..., help="target peer fingerprint (32 hex)"),
+        ttl_days: int = typer.Option(90, "--ttl-days", help="vouch lifetime in days"),
+    ) -> None:
+        """Issue a signed vouch for `target_fp`. Persists locally + rides our feed."""
+        db.init_db()
+        v = federation.issue_vouch(target_fp.strip(), ttl_days=ttl_days)
+        typer.echo(f"vouched: {v.target_fingerprint} (expires {v.expires_at})")
+
+    @typer_app.command("fed-unvouch")
+    def fed_unvouch(target_fp: str = typer.Argument(...)) -> None:
+        """Revoke OUR vouch for `target_fp`."""
+        db.init_db()
+        federation.revoke_vouch(target_fp.strip())
+        typer.echo(f"revoked vouch for {target_fp}")
+
+    @typer_app.command("fed-vouches")
+    def fed_vouches() -> None:
+        """List vouches WE have issued."""
+        db.init_db()
+        rows = federation.our_vouches()
+        if not rows:
+            typer.echo("(no vouches issued)")
+            return
+        for v in rows:
+            exp = v.expires_at.isoformat() if v.expires_at else "—"
+            typer.echo(f"  {v.target_fingerprint}  issued={v.issued_at.isoformat()[:16]}  expires={exp[:16]}")
+
+    @typer_app.command("fed-quorum-set")
+    def fed_quorum_set(
+        trust: Optional[int] = typer.Option(None, "--trust", help="trust_min_vouchers"),
+        k: Optional[int] = typer.Option(None, "--k", help="signal_quorum_k"),
+    ) -> None:
+        """Update quorum thresholds. Either flag is optional — only changed values overwrite."""
+        db.init_db()
+        cfg = federation.quorum_config()
+        if trust is not None:
+            cfg.trust_min_vouchers = max(1, int(trust))
+        if k is not None:
+            cfg.signal_quorum_k = max(1, int(k))
+        federation.set_quorum_config(cfg)
+        typer.echo(f"quorum: trust_min_vouchers={cfg.trust_min_vouchers}  signal_quorum_k={cfg.signal_quorum_k}")
+
+    # ---------- transparency log --------------------------------------
+
+    @typer_app.command("fed-log")
+    def fed_log(
+        limit: int = typer.Option(20, "--limit", help="number of entries to show"),
+    ) -> None:
+        """Print recent transparency-log entries (newest first)."""
+        db.init_db()
+        rows = translog.recent(limit=limit)
+        if not rows:
+            typer.echo("(transparency log empty)")
+            return
+        for e in rows:
+            typer.echo(
+                f"  id={e.id:5d}  {e.entry_type:6s}  {e.timestamp[:19]}  hash={e.entry_hash[:16]}…"
+            )
+
+    # ---------- network view ------------------------------------------
+
+    @typer_app.command("fed-network")
+    def fed_network() -> None:
+        """Print the local federation network view — nodes, vouches, stats."""
+        db.init_db()
+        view = network_view.build_local_view()
+
+        # Nodes table.
+        typer.echo("NODES")
+        typer.echo(f"  {'fingerprint':<34} {'label':<32} {'status':<9} dist")
+        for n in view.nodes:
+            fp = f"{n.fingerprint[:8]}…{n.fingerprint[-8:]}" if len(n.fingerprint) >= 16 else n.fingerprint
+            label = (n.label or "")[:30]
+            typer.echo(f"  {fp:<34} {label:<32} {n.status:<9} {n.distance}")
+
+        # Vouches breakdown.
+        our_fp = view.nodes[0].fingerprint
+        vouch_out = [e for e in view.edges if e.kind == "vouch" and e.source_fingerprint == our_fp]
+        vouch_in = [e for e in view.edges if e.kind == "vouch" and e.target_fingerprint == our_fp]
+        bidir = [e for e in vouch_out if e.bidirectional]
+
+        typer.echo("")
+        typer.echo("VOUCHES")
+        if not vouch_out and not vouch_in and not bidir:
+            typer.echo("  (no vouches)")
+        else:
+            for e in vouch_out:
+                arrow = "↔" if e.bidirectional else "→"
+                fp = f"{e.target_fingerprint[:8]}…{e.target_fingerprint[-8:]}"
+                typer.echo(f"  us {arrow} {fp}")
+            for e in vouch_in:
+                fp = f"{e.source_fingerprint[:8]}…{e.source_fingerprint[-8:]}"
+                typer.echo(f"  {fp} → us")
+
+        # Signal edges.
+        sig_edges = [e for e in view.edges if e.kind == "signal"]
+        typer.echo("")
+        typer.echo("SIGNALS (24h)")
+        if not sig_edges:
+            typer.echo("  (no signals)")
+        else:
+            for e in sig_edges:
+                fp = f"{e.source_fingerprint[:8]}…{e.source_fingerprint[-8:]}"
+                typer.echo(f"  from {fp}: {int(e.weight)}")
+
+        # Stats footer.
+        typer.echo("")
+        typer.echo("STATS")
+        for k, v in view.stats.items():
+            typer.echo(f"  {k:<32} {v}")
+
+    @typer_app.command("fed-topology")
+    def fed_topology() -> None:
+        """Print the sanitized docker topology JSON published at /federation/topology.
+
+        Useful for auditing what gets exposed to peers — pipe through `jq` to
+        confirm no env vars / volume mounts / IPs leak. On a dev box where
+        the docker-socket-proxy isn't running the export will be empty.
+        """
+        db.init_db()
+        export = topology_export.build_export()
+        typer.echo(json.dumps(export.model_dump(mode="json"), indent=2))
+
+    @typer_app.command("fed-log-verify")
+    def fed_log_verify() -> None:
+        """Re-walk the chain locally and report verification status."""
+        db.init_db()
+        result = translog.verify_chain()
+        head = translog.head()
+        head_hash = head.entry_hash if head else "(empty)"
+        if isinstance(result, Err):
+            typer.echo(f"  ✗ broken: {result.reason}", err=True)
+            typer.echo(f"    head_hash: {head_hash}")
+            raise typer.Exit(1)
+        typer.echo(f"  ✓ verified {result.value} entries")
+        typer.echo(f"    head_hash: {head_hash}")

src/psyc/_pulse_cli.py

@@ -14,6 +14,7 @@ import typer
 
 from psyc import db
 from psyc.lines import pulse
+from psyc.models import Severity
 
 
 def _relative(dt: Optional[datetime]) -> str:
@@ -120,3 +121,62 @@ def register(typer_app: typer.Typer) -> None:
         db.init_db()
         pulse.set_kill_switch(False)
         typer.echo("kill switch disarmed — pulse resumes")
+
+    @typer_app.command("pulse-respond-config")
+    def pulse_respond_config(
+        threshold: Optional[str] = typer.Option(
+            None, "--threshold", help="min severity: low | medium | high | critical"
+        ),
+        quorum: Optional[bool] = typer.Option(
+            None, "--quorum/--no-quorum", help="require quorum on federation-sourced cases"
+        ),
+        local_only: Optional[bool] = typer.Option(
+            None, "--local-only/--no-local-only",
+            help="when armed, auto-execute defers federation cases until quorum"
+        ),
+    ) -> None:
+        """Update the respond-pipeline auto-fire gates. Args left unset are unchanged."""
+        db.init_db()
+        if threshold is not None:
+            try:
+                pulse.set_respond_auto_threshold(Severity(threshold))
+            except ValueError:
+                typer.echo(f"error: unknown severity {threshold!r}", err=True)
+                raise typer.Exit(1)
+        if quorum is not None:
+            pulse.set_respond_require_quorum(quorum)
+        if local_only is not None:
+            pulse.set_respond_local_only(local_only)
+        typer.echo(
+            f"threshold={pulse.respond_auto_threshold().value} "
+            f"quorum={'on' if pulse.respond_require_quorum() else 'off'} "
+            f"local-only={'on' if pulse.respond_local_only() else 'off'}"
+        )
+
+    @typer_app.command("pulse-respond-status")
+    def pulse_respond_status() -> None:
+        """Print the respond-pipeline gates + the last 10 audit entries."""
+        db.init_db()
+        mode = "manual"
+        for p in pulse.state():
+            if p.name == "respond":
+                mode = p.mode.value
+                break
+        typer.echo(f"respond mode      : {mode}")
+        typer.echo(f"threshold         : {pulse.respond_auto_threshold().value}")
+        typer.echo(f"require quorum    : {'yes' if pulse.respond_require_quorum() else 'no'}")
+        typer.echo(f"local-only        : {'yes' if pulse.respond_local_only() else 'no'}")
+
+        audit = db.pulse_audit_recent("respond", limit=10)
+        if not audit:
+            typer.echo("(no audit entries yet)")
+            return
+        typer.echo("")
+        typer.echo(f"{'timestamp':<28} {'action':<11} {'case_id':<22} detail")
+        for row in audit:
+            typer.echo(
+                f"{(row['timestamp'] or '')[:27]:<28} "
+                f"{(row['action'] or ''):<11} "
+                f"{(row['case_id'] or '—'):<22} "
+                f"{(row['detail'] or '')[:80]}"
+            )

src/psyc/cockpit/app.py

@@ -35,6 +35,19 @@ app = FastAPI(title="psyc Operations Cockpit", version="0.1.0")
 app.add_middleware(SessionMiddleware, secret_key=adminauth.session_secret(), max_age=3600)
 app.mount("/static", StaticFiles(directory=str(HERE / "static")), name="static")
 
+
+@app.middleware("http")
+async def _security_headers(request: Request, call_next):
+    """Defense-in-depth headers. CSP is intentionally NOT set yet — the
+    cockpit currently uses inline scripts in base.html / journey.html /
+    federation_explore.html which would need nonces or extraction first."""
+    resp = await call_next(request)
+    resp.headers.setdefault("X-Content-Type-Options", "nosniff")
+    resp.headers.setdefault("Referrer-Policy", "no-referrer")
+    resp.headers.setdefault("X-Frame-Options", "DENY")
+    return resp
+
+
 pulse_routes.register(app, TEMPLATES)
 federation_routes.register(app, TEMPLATES)
 

src/psyc/cockpit/federation_routes.py

@@ -15,7 +15,8 @@ from fastapi.responses import HTMLResponse, JSONResponse, PlainTextResponse, Red
 from fastapi.templating import Jinja2Templates
 
 from psyc import db, log
-from psyc.lines import federation
+from psyc.lines import discovery, federation, network_view, pulse, topology_export, translog
+from psyc.result import Err
 
 
 _log = log.get(__name__)
@@ -25,6 +26,33 @@ _log = log.get(__name__)
 _FEED_CACHE: Dict[str, Any] = {"ts": 0.0, "payload": None}
 _FEED_TTL = 60.0
 
+# Mirror the feed cache for the public peers list — same poll-load pattern.
+_PUBLIC_PEERS_CACHE: Dict[str, Any] = {"ts": 0.0, "payload": None}
+_PUBLIC_PEERS_TTL = 60.0
+
+# And again for the public federation-network payload (signed JSON view).
+_PUBLIC_NETWORK_CACHE: Dict[str, Any] = {"ts": 0.0, "payload": None}
+_PUBLIC_NETWORK_TTL = 60.0
+
+# Explore-view cache. The builder fans out to trusted peers' explore feeds
+# for the distance-2 snapshot, so a polled hit must NEVER trigger that walk.
+_EXPLORE_CACHE: Dict[str, Any] = {"ts": 0.0, "payload": None, "domain": None}
+_EXPLORE_TTL = 60.0
+
+# Sanitized docker topology cache. The build call hits the docker-socket-proxy
+# sidecar; polled peer admin pages mustn't re-trigger that on every poke.
+_TOPOLOGY_CACHE: Dict[str, Any] = {"ts": 0.0, "payload": None}
+_TOPOLOGY_TTL = 60.0
+
+
+# Headers we slap on every public endpoint so other psyc nodes' explore
+# pages can fetch them cross-origin from the browser.
+_CORS_HEADERS: Dict[str, str] = {
+    "Access-Control-Allow-Origin": "*",
+    "Access-Control-Allow-Methods": "GET, OPTIONS",
+    "Access-Control-Allow-Headers": "Content-Type",
+}
+
 
 def _admin_ok(request: Request) -> bool:
     return bool(request.session.get("admin_ok"))
@@ -38,6 +66,56 @@ def _cached_feed() -> Dict[str, Any]:
     return _FEED_CACHE["payload"]
 
 
+def _cached_public_peers() -> Any:
+    now = time.time()
+    if _PUBLIC_PEERS_CACHE["payload"] is None or (now - _PUBLIC_PEERS_CACHE["ts"]) > _PUBLIC_PEERS_TTL:
+        _PUBLIC_PEERS_CACHE["payload"] = discovery.public_peer_attestation()
+        _PUBLIC_PEERS_CACHE["ts"] = now
+    return _PUBLIC_PEERS_CACHE["payload"]
+
+
+def _cached_public_network() -> Dict[str, Any]:
+    now = time.time()
+    if _PUBLIC_NETWORK_CACHE["payload"] is None or (now - _PUBLIC_NETWORK_CACHE["ts"]) > _PUBLIC_NETWORK_TTL:
+        _PUBLIC_NETWORK_CACHE["payload"] = network_view.build_public_view()
+        _PUBLIC_NETWORK_CACHE["ts"] = now
+    return _PUBLIC_NETWORK_CACHE["payload"]
+
+
+def _cached_topology() -> Dict[str, Any]:
+    """Cached sanitized docker topology — same poll-load pattern as the feed."""
+    now = time.time()
+    if _TOPOLOGY_CACHE["payload"] is None or (now - _TOPOLOGY_CACHE["ts"]) > _TOPOLOGY_TTL:
+        export = topology_export.build_export()
+        _TOPOLOGY_CACHE["payload"] = export.model_dump(mode="json")
+        _TOPOLOGY_CACHE["ts"] = now
+    return _TOPOLOGY_CACHE["payload"]
+
+
+def _cached_explore(domain: Optional[str]) -> Dict[str, Any]:
+    """Cached explore payload. Re-uses the cache when the host domain matches.
+
+    Domain is recorded into the payload's `node.domain` field, so a fresh
+    cache slot per host avoids serving the wrong reflected name.
+    """
+    now = time.time()
+    cached_domain = _EXPLORE_CACHE.get("domain")
+    if (
+        _EXPLORE_CACHE["payload"] is None
+        or (now - _EXPLORE_CACHE["ts"]) > _EXPLORE_TTL
+        or cached_domain != domain
+    ):
+        _EXPLORE_CACHE["payload"] = network_view.build_explore_view(node_domain=domain)
+        _EXPLORE_CACHE["ts"] = now
+        _EXPLORE_CACHE["domain"] = domain
+    return _EXPLORE_CACHE["payload"]
+
+
+def _public_json(payload: Any) -> JSONResponse:
+    """JSONResponse with the public-CORS header set."""
+    return JSONResponse(payload, headers=_CORS_HEADERS)
+
+
 def register(app: FastAPI, TEMPLATES: Jinja2Templates) -> None:
     """Mount all federation routes onto `app`."""
 
@@ -103,23 +181,350 @@ def register(app: FastAPI, TEMPLATES: Jinja2Templates) -> None:
         federation.remove_peer(domain)
         return RedirectResponse("/admin/federation", status_code=303)
 
+    # ---------- discovery (DNS-SD walker) ----------------------------
+
+    @app.get("/admin/federation/discovery", response_class=HTMLResponse)
+    def admin_discovery(request: Request) -> HTMLResponse:
+        if not _admin_ok(request):
+            return RedirectResponse("/admin", status_code=303)
+        seeds = pulse.get_discovery_seeds()
+        candidates = federation.list_peers()
+        flash = request.query_params.get("flash") or ""
+        return TEMPLATES.TemplateResponse(
+            request,
+            "admin_discovery.html",
+            {
+                "seeds": seeds,
+                "seeds_text": "\n".join(seeds),
+                "candidates": candidates,
+                "flash": flash,
+            },
+        )
+
+    @app.post("/admin/federation/discovery/seeds")
+    def admin_discovery_seeds(
+        request: Request,
+        seeds: str = Form(""),
+    ) -> RedirectResponse:
+        if not _admin_ok(request):
+            raise HTTPException(status_code=403, detail="admin session required")
+        lines = [line for line in seeds.splitlines()]
+        pulse.set_discovery_seeds(lines)
+        return RedirectResponse("/admin/federation/discovery?flash=seeds+saved", status_code=303)
+
+    @app.post("/admin/federation/discovery/walk")
+    def admin_discovery_walk(request: Request) -> RedirectResponse:
+        if not _admin_ok(request):
+            raise HTTPException(status_code=403, detail="admin session required")
+        seeds = pulse.get_discovery_seeds()
+        if not seeds:
+            return RedirectResponse("/admin/federation/discovery?flash=no+seeds+configured", status_code=303)
+        try:
+            cands = discovery.walk(seeds)
+            for c in cands:
+                discovery.record_candidate(c)
+            msg = f"discovered+{len(cands)}+candidates+from+{len(seeds)}+seed(s)"
+        except Exception as exc:  # noqa: BLE001 — surface the error to the operator
+            _log.warning("federation.discovery.walk.error", error=str(exc))
+            msg = f"walk+failed:+{str(exc)[:80]}"
+        return RedirectResponse(f"/admin/federation/discovery?flash={msg}", status_code=303)
+
     # ---------- public endpoints --------------------------------------
 
     @app.get("/federation/info")
     def federation_info() -> JSONResponse:
-        return JSONResponse({
+        return _public_json({
             "fingerprint": federation.node_fingerprint(),
             "version": federation.FEED_VERSION,
             "feed": federation.FEED_PATH,
             "key": "/federation/key",
+            "explore": "/federation/explore",
         })
 
     @app.get("/federation/key", response_class=PlainTextResponse)
     def federation_key() -> PlainTextResponse:
-        return PlainTextResponse(federation.public_key_pem(), media_type="text/plain")
+        return PlainTextResponse(
+            federation.public_key_pem(),
+            media_type="text/plain",
+            headers=_CORS_HEADERS,
+        )
 
     @app.get("/federation/feed")
     def federation_feed() -> JSONResponse:
-        return JSONResponse(_cached_feed())
+        return _public_json(_cached_feed())
+
+    @app.get("/federation/peers/public")
+    def federation_peers_public() -> JSONResponse:
+        """Publicly attested peer list — what other psyc walkers discover us through.
+
+        Only trusted peers leak; unknown + blocked are internal state and must
+        never appear here.
+        """
+        return _public_json(_cached_public_peers())
+
+    @app.get("/federation/network")
+    def federation_network_public() -> JSONResponse:
+        """Signed federation-network attestation — for transitive-view fetchers.
+
+        Mirrors /federation/peers/public in spirit but adds our outbound vouches
+        so a fetcher can reconstruct the local web-of-trust shape. Trusted peers
+        only — never unknown or blocked. Signal hashes are deliberately omitted.
+        """
+        return _public_json(_cached_public_network())
+
+    @app.get("/federation/topology")
+    def federation_topology_public() -> JSONResponse:
+        """Sanitized docker topology — public, for peer-side display.
+
+        Whitelist-only: container names + images + state + network names. No
+        env vars, no volume mounts, no IPs/MACs/gateways, no labels. CORS open
+        so a peer's `/admin/federation/network` page can fetch it from the
+        browser and render every node's containers alongside its own.
+        """
+        return _public_json(_cached_topology())
+
+    # ---------- public vouches + transparency log --------------------
+
+    @app.get("/federation/vouches")
+    def federation_vouches() -> JSONResponse:
+        """Vouches WE have issued. Peers fetch this to learn who we trust."""
+        return _public_json({
+            "fingerprint": federation.node_fingerprint(),
+            "vouches": [v.model_dump(mode="json") for v in federation.our_vouches()],
+        })
+
+    @app.get("/federation/log")
+    def federation_log() -> JSONResponse:
+        """Last 100 transparency-log entries, newest first."""
+        entries = translog.recent(limit=100)
+        return _public_json({
+            "count": len(entries),
+            "entries": [e.model_dump(mode="json") for e in entries],
+        })
+
+    @app.get("/federation/log/verify")
+    def federation_log_verify() -> JSONResponse:
+        """Re-walk the chain locally and report status. Auditors poll this."""
+        result = translog.verify_chain()
+        head = translog.head()
+        head_hash = head.entry_hash if head else None
+        if isinstance(result, Err):
+            return JSONResponse(
+                {"error": result.reason, "head_hash": head_hash},
+                status_code=409,
+                headers=_CORS_HEADERS,
+            )
+        return _public_json({"verified": result.value, "head_hash": head_hash})
+
+    # ---------- public explore page + data ---------------------------
+
+    @app.get("/federation/explore", response_class=HTMLResponse)
+    def federation_explore_page(request: Request) -> HTMLResponse:
+        """Public transparency view — anyone can verify this network."""
+        host = request.url.hostname or ""
+        peer_param = request.query_params.get("peer", "").strip()
+        return TEMPLATES.TemplateResponse(
+            request,
+            "federation_explore.html",
+            {
+                "fingerprint": federation.node_fingerprint(),
+                "domain": host,
+                "peer": peer_param,
+            },
+        )
+
+    @app.get("/federation/explore/data")
+    def federation_explore_data(request: Request) -> JSONResponse:
+        """Signed public explorer payload — peer counts, vouches, transitives.
+
+        Public, no auth, CORS-enabled. Cached so a polled hit never triggers
+        the distance-2 fan-out. See `network_view.build_explore_view` for the
+        no-leak contract.
+        """
+        host = request.url.hostname or None
+        payload = _cached_explore(host)
+        return _public_json(payload)
+
+    # ---------- admin: vouches page ---------------------------------
+
+    @app.get("/admin/federation/vouches", response_class=HTMLResponse)
+    def admin_federation_vouches(request: Request) -> HTMLResponse:
+        if not _admin_ok(request):
+            return RedirectResponse("/admin", status_code=303)
+        peers = federation.list_peers()
+        cfg = federation.quorum_config()
+        ours = federation.our_vouches()
+        # Per-peer view: vouches naming each peer and whether quorum is met.
+        peer_rows = []
+        for p in peers:
+            vouches = federation.vouches_for(p.fingerprint)
+            peer_rows.append({
+                "peer": p,
+                "vouches": vouches,
+                "vouched": federation.is_vouched(p.fingerprint),
+                "eligible": federation.peer_is_listening_eligible(p.fingerprint),
+            })
+        return TEMPLATES.TemplateResponse(
+            request,
+            "admin_federation_vouches.html",
+            {
+                "fingerprint": federation.node_fingerprint(),
+                "our_vouches": ours,
+                "peer_rows": peer_rows,
+                "cfg": cfg,
+            },
+        )
+
+    @app.post("/admin/federation/vouches/issue")
+    def admin_federation_vouch_issue(
+        request: Request,
+        target_fingerprint: str = Form(...),
+        ttl_days: int = Form(90),
+    ) -> RedirectResponse:
+        if not _admin_ok(request):
+            raise HTTPException(status_code=403, detail="admin session required")
+        try:
+            federation.issue_vouch(target_fingerprint.strip(), ttl_days=ttl_days)
+        except Exception as exc:
+            _log.warning("federation.vouch.issue.error", error=str(exc))
+        return RedirectResponse("/admin/federation/vouches", status_code=303)
+
+    @app.post("/admin/federation/vouches/revoke")
+    def admin_federation_vouch_revoke(
+        request: Request,
+        target_fingerprint: str = Form(...),
+    ) -> RedirectResponse:
+        if not _admin_ok(request):
+            raise HTTPException(status_code=403, detail="admin session required")
+        federation.revoke_vouch(target_fingerprint.strip())
+        return RedirectResponse("/admin/federation/vouches", status_code=303)
+
+    # ---------- admin: transparency log page ------------------------
+
+    @app.get("/admin/federation/log", response_class=HTMLResponse)
+    def admin_federation_log(request: Request) -> HTMLResponse:
+        if not _admin_ok(request):
+            return RedirectResponse("/admin", status_code=303)
+        result = translog.verify_chain()
+        head = translog.head()
+        entries = translog.recent(limit=200)
+        verify_status: Dict[str, Any]
+        if isinstance(result, Err):
+            verify_status = {"ok": False, "reason": result.reason}
+        else:
+            verify_status = {"ok": True, "verified": result.value}
+        return TEMPLATES.TemplateResponse(
+            request,
+            "admin_federation_log.html",
+            {
+                "verify_status": verify_status,
+                "head_hash": head.entry_hash if head else "",
+                "head_id": head.id if head else 0,
+                "entries": entries,
+            },
+        )
+
+    # ---------- admin: federation network view ----------------------
+
+    @app.get("/admin/federation/network", response_class=HTMLResponse)
+    def admin_federation_network(request: Request) -> HTMLResponse:
+        """Cockpit page — force-directed federation map. Data lives at /data."""
+        if not _admin_ok(request):
+            return RedirectResponse("/admin", status_code=303)
+        # Build local stats up front so the header card renders even if the
+        # JS data-endpoint fetch fails (defensive — never give the operator a
+        # blank page).
+        view = network_view.build_local_view()
+        return TEMPLATES.TemplateResponse(
+            request,
+            "admin_federation_network.html",
+            {
+                "fingerprint": federation.node_fingerprint(),
+                "stats": view.stats,
+            },
+        )
+
+    @app.get("/admin/federation/network/data")
+    def admin_federation_network_data(request: Request) -> JSONResponse:
+        """Full admin view — includes unknown/blocked peers + transitive peers.
+
+        Public /federation/network filters those out; this surface does not,
+        because it sits behind the admin gate and the operator needs to see
+        the real shape of the federation including the parts being ignored.
+        """
+        if not _admin_ok(request):
+            raise HTTPException(status_code=403, detail="admin session required")
+        return JSONResponse(network_view.build_admin_view(include_transitive=True))
+
+    # ---------- admin: quorum config + per-peer/per-hash view -------
+
+    @app.get("/admin/federation/quorum", response_class=HTMLResponse)
+    def admin_federation_quorum(request: Request) -> HTMLResponse:
+        if not _admin_ok(request):
+            return RedirectResponse("/admin", status_code=303)
+        cfg = federation.quorum_config()
+        peers = federation.list_peers()
+        peer_rows = [
+            {
+                "peer": p,
+                "vouched": federation.is_vouched(p.fingerprint),
+                "eligible": federation.peer_is_listening_eligible(p.fingerprint),
+            }
+            for p in peers
+        ]
+        # Group buffered signals by signal_hash and count distinct eligible peers.
+        signal_rows: Dict[str, Dict[str, Any]] = {}
+        for s in db.recent_signals(limit=500):
+            h = s.get("signal_hash") or ""
+            entry = signal_rows.setdefault(h, {
+                "signal_hash": h,
+                "signal_type": s.get("signal_type") or "",
+                "signal_id": s.get("signal_id") or "",
+                "peers": set(),
+                "latest": s.get("received_at") or "",
+            })
+            entry["peers"].add(s.get("peer_fingerprint") or "")
+        hash_summary = []
+        for h, row in signal_rows.items():
+            distinct_eligible = sum(
+                1 for fp in row["peers"] if federation.peer_is_listening_eligible(fp)
+            )
+            hash_summary.append({
+                "signal_hash": h,
+                "signal_type": row["signal_type"],
+                "signal_id": row["signal_id"],
+                "distinct_peers": len(row["peers"]),
+                "distinct_eligible": distinct_eligible,
+                "quorum_met": distinct_eligible >= cfg.signal_quorum_k,
+                "latest": row["latest"],
+            })
+        hash_summary.sort(key=lambda r: r["latest"], reverse=True)
+        return TEMPLATES.TemplateResponse(
+            request,
+            "admin_federation_quorum.html",
+            {
+                "cfg": cfg,
+                "peer_rows": peer_rows,
+                "hash_summary": hash_summary,
+            },
+        )
+
+    @app.post("/admin/federation/quorum/save")
+    def admin_federation_quorum_save(
+        request: Request,
+        trust_min_vouchers: int = Form(...),
+        signal_quorum_k: int = Form(...),
+    ) -> RedirectResponse:
+        if not _admin_ok(request):
+            raise HTTPException(status_code=403, detail="admin session required")
+        try:
+            cfg = federation.QuorumConfig(
+                trust_min_vouchers=max(1, int(trust_min_vouchers)),
+                signal_quorum_k=max(1, int(signal_quorum_k)),
+            )
+            federation.set_quorum_config(cfg)
+        except Exception as exc:
+            _log.warning("federation.quorum.save.error", error=str(exc))
+        return RedirectResponse("/admin/federation/quorum", status_code=303)
 
     _log.info("federation.routes.registered")

src/psyc/cockpit/inference.py

@@ -3,13 +3,19 @@
 The cockpit venv has no torch; the fine-tuned model only runs inside the CUDA
 container behind serve_model.py. This client reaches it over HTTP and degrades
 gracefully — if the server is down, callers get None and fall back to rules.
+
+Two backends are supported via PSYC_INFERENCE_MODE:
+  - "psyc"   (default) — native serve_model.py, POST /infer
+  - "openai" — OpenAI-compatible / Ollama, POST /v1/chat/completions
+A bearer token can be set via PSYC_INFERENCE_TOKEN; it is sent on every request
+when present (psyc-native ignores it; api.neuronetz.ai requires it).
 """
 
 from __future__ import annotations
 
 import json
 import os
-from typing import Optional
+from typing import Dict, Optional
 
 import httpx
 
@@ -18,15 +24,31 @@ from psyc.lines.train import SEVERITY_INSTRUCTION, severity_features
 from psyc.models import Case
 
 
-INFERENCE_URL = os.environ.get("PSYC_INFERENCE_URL", "http://127.0.0.1:8771")
+INFERENCE_URL   = os.environ.get("PSYC_INFERENCE_URL", "http://127.0.0.1:8771")
+INFERENCE_TOKEN = os.environ.get("PSYC_INFERENCE_TOKEN", "")
+INFERENCE_MODE  = os.environ.get("PSYC_INFERENCE_MODE", "psyc").lower()
+INFERENCE_MODEL = os.environ.get("PSYC_INFERENCE_MODEL", "psyc-v5")
 
 _log = log.get(__name__)
 
 
+def _auth_headers() -> Dict[str, str]:
+    """Bearer header when a token is set, empty dict otherwise."""
+    return {"Authorization": f"Bearer {INFERENCE_TOKEN}"} if INFERENCE_TOKEN else {}
+
+
 def server_adapter(timeout: float = 2.0) -> Optional[str]:
     """Return the adapter the server is running, or None if it is unreachable."""
     try:
         with httpx.Client(timeout=timeout) as client:
+            if INFERENCE_MODE == "openai":
+                # OpenAI/Ollama exposes GET /v1/models — first available id wins.
+                resp = client.get(f"{INFERENCE_URL}/v1/models", headers=_auth_headers())
+                resp.raise_for_status()
+                data = resp.json().get("data") or []
+                if data:
+                    return str(data[0].get("id") or INFERENCE_MODEL)
+                return INFERENCE_MODEL
             resp = client.get(f"{INFERENCE_URL}/healthz")
             resp.raise_for_status()
             return resp.json().get("adapter")
@@ -45,18 +67,44 @@ def adapter_name(timeout: float = 2.0) -> Optional[str]:
 
 def model_severity(case: Case, timeout: float = 15.0) -> Optional[str]:
     """Ask the live model to classify case severity. None if the server is down."""
-    payload = {
-        "instruction": SEVERITY_INSTRUCTION,
-        "input": json.dumps(severity_features(case), ensure_ascii=False),
-        "max_new_tokens": 16,
-    }
+    features_json = json.dumps(severity_features(case), ensure_ascii=False)
     try:
         with httpx.Client(timeout=timeout) as client:
-            resp = client.post(f"{INFERENCE_URL}/infer", json=payload)
-            resp.raise_for_status()
-            output = str(resp.json().get("output", "")).strip().lower()
+            if INFERENCE_MODE == "openai":
+                payload = {
+                    "model": INFERENCE_MODEL,
+                    "messages": [
+                        {"role": "system", "content": SEVERITY_INSTRUCTION},
+                        {"role": "user",   "content": features_json},
+                    ],
+                    "max_tokens": 16,
+                    "temperature": 0.0,
+                }
+                resp = client.post(
+                    f"{INFERENCE_URL}/v1/chat/completions",
+                    json=payload,
+                    headers=_auth_headers(),
+                )
+                resp.raise_for_status()
+                choices = resp.json().get("choices") or []
+                if not choices:
+                    return None
+                output = str(choices[0].get("message", {}).get("content", "")).strip().lower()
+            else:
+                payload = {
+                    "instruction": SEVERITY_INSTRUCTION,
+                    "input": features_json,
+                    "max_new_tokens": 16,
+                }
+                resp = client.post(
+                    f"{INFERENCE_URL}/infer",
+                    json=payload,
+                    headers=_auth_headers(),
+                )
+                resp.raise_for_status()
+                output = str(resp.json().get("output", "")).strip().lower()
     except httpx.HTTPError as exc:
         _log.info("inference.unavailable", error=str(exc))
         return None
-    _log.info("inference.severity", case_id=case.case_id, model_answer=output)
+    _log.info("inference.severity", case_id=case.case_id, model_answer=output, mode=INFERENCE_MODE)
     return output

src/psyc/cockpit/pulse_routes.py

@@ -8,15 +8,16 @@ scheduler loop. Caller in app.py just imports + invokes register().
 from __future__ import annotations
 
 import asyncio
-from datetime import datetime, timezone
-from typing import Optional
+from datetime import datetime, timedelta, timezone
+from typing import List, Optional
 
 from fastapi import FastAPI, Form, Request
 from fastapi.responses import HTMLResponse, RedirectResponse
 from fastapi.templating import Jinja2Templates
 
-from psyc import log
+from psyc import db, log
 from psyc.lines import pulse
+from psyc.models import Severity
 
 
 _log = log.get(__name__)
@@ -61,6 +62,10 @@ def register(app: FastAPI, templates: Jinja2Templates) -> None:
             return RedirectResponse("/admin", status_code=303)
         flash = request.query_params.get("flash", "")
         pipelines = pulse.state()
+        respond_mode = next((p.mode.value for p in pipelines if p.name == "respond"), "manual")
+        since = (datetime.now(timezone.utc) - timedelta(hours=24)).isoformat()
+        auto_fired_24h = db.pulse_audit_count_since("respond", "auto-fire", since)
+        audit_recent = db.pulse_audit_recent("respond", limit=5)
         return templates.TemplateResponse(
             request,
             "admin_pulse.html",
@@ -70,6 +75,13 @@ def register(app: FastAPI, templates: Jinja2Templates) -> None:
                 "tick_interval": TICK_INTERVAL_SECONDS,
                 "relative": _relative,
                 "flash": flash,
+                "respond_mode": respond_mode,
+                "respond_threshold": pulse.respond_auto_threshold().value,
+                "respond_require_quorum": pulse.respond_require_quorum(),
+                "respond_local_only": pulse.respond_local_only(),
+                "respond_auto_fired_24h": auto_fired_24h,
+                "respond_audit_recent": audit_recent,
+                "severity_choices": [s.value for s in Severity],
             },
         )
 
@@ -113,6 +125,29 @@ def register(app: FastAPI, templates: Jinja2Templates) -> None:
             flash = f"run failed: {exc}"
         return RedirectResponse(f"/admin/pulse?flash={flash}", status_code=303)
 
+    @app.post("/admin/pulse/respond-config")
+    def pulse_respond_config(
+        request: Request,
+        threshold: str = Form(...),
+        require_quorum: Optional[str] = Form(None),
+        local_only: Optional[str] = Form(None),
+    ) -> RedirectResponse:
+        if not _admin_ok(request):
+            return RedirectResponse("/admin", status_code=303)
+        try:
+            sev = Severity(threshold)
+            pulse.set_respond_auto_threshold(sev)
+            pulse.set_respond_require_quorum(require_quorum is not None)
+            pulse.set_respond_local_only(local_only is not None)
+            flash = (
+                f"respond gates updated: threshold={sev.value}, "
+                f"quorum={'on' if require_quorum is not None else 'off'}, "
+                f"local-only={'on' if local_only is not None else 'off'}"
+            )
+        except ValueError as exc:
+            flash = f"respond-config failed: {exc}"
+        return RedirectResponse(f"/admin/pulse?flash={flash}", status_code=303)
+
     @app.on_event("startup")
     async def _start_pulse_loop() -> None:
         # Fire-and-forget; the loop catches its own exceptions and self-restarts.

src/psyc/cockpit/static/cockpit.css

@@ -108,7 +108,15 @@ h1, h2, h3,
   filter: drop-shadow(0 0 6px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 10px var(--accent-glow));
 }
 
-.content { padding: 24px; max-width: 1280px; margin: 0 auto; }
+.content { padding: 24px; max-width: 1600px; margin: 0 auto; }
+@media (min-width: 2400px) { .content { max-width: 1900px; } }
+/* long URLs, hashes, fingerprints would otherwise blow out their card on big monitors */
+.card { min-width: 0; }
+.card code, .card a, .card dd, .card li,
+.sp-hash, .sp-id, .lg-hash, .news-case-id, .feed-name {
+  overflow-wrap: anywhere;
+  word-break: break-word;
+}
 .footer { text-align: center; color: var(--muted); padding: 24px; font-size: 12px; }
 .footer a { color: var(--accent); }
 
@@ -740,6 +748,18 @@ body.wide .net-grid { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr
   text-shadow: 0 0 22px var(--accent-glow);
 }
 .hero-sub { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
+.hero-meta { margin: 10px 0 0; font-size: 12px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
+.hero-explore {
+  color: var(--accent);
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  text-decoration: none;
+  border: 1px solid var(--border);
+  padding: 3px 9px;
+  border-radius: 999px;
+  letter-spacing: 0.04em;
+}
+.hero-explore:hover { border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }
+.hero-explore-sub { color: var(--muted); font-size: 11px; font-family: ui-monospace, Menlo, Consolas, monospace; }
 .hero-cta {
   display: inline-flex; align-items: center; gap: 6px;
   padding: 9px 16px; border: 1px solid var(--accent); border-radius: 8px;
@@ -1158,3 +1178,714 @@ body.wide .net-grid { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr
 .stat-country    { border-color: rgba(251,191,36,0.4);  color: var(--amber); }
 .stat-confidence { border-color: rgba(167,139,250,0.4); color: #c4b5fd; }
 .stat-family     { border-color: rgba(248,113,113,0.4); color: var(--red); }
+
+/* ── federation network graph ──────────────────────────────── */
+.fn-stats { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 18px; }
+.fn-stat {
+  flex: 1; min-width: 120px;
+  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
+  padding: 10px 14px;
+}
+.fn-stat-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
+.fn-stat-value { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--accent); margin-top: 4px; text-shadow: 0 0 12px var(--accent-glow); }
+
+#federation-network-graph { display: block; width: 100%; height: 620px; cursor: grab; }
+#federation-network-graph:active { cursor: grabbing; }
+
+body.wide #federation-network-graph { height: 720px; }
+
+.fn-edge { stroke: rgba(125,133,151,0.45); stroke-width: 1.2; fill: none; }
+.fn-edge-label { fill: var(--muted); font-size: 9px; text-anchor: middle; font-family: ui-monospace, Menlo, monospace; opacity: 0.7; pointer-events: none; }
+
+.fn-kind-vouch  .fn-edge { stroke: rgba(74,222,128,0.7); stroke-width: 1.8; }
+.fn-kind-vouch  .fn-edge-label { fill: rgba(160,240,190,0.85); font-weight: 600; }
+.fn-kind-signal .fn-edge { stroke: rgba(30,200,255,0.65); stroke-dasharray: 5 4; }
+.fn-kind-signal .fn-edge-label { fill: rgba(170, 220, 255, 0.85); }
+.fn-kind-knows  .fn-edge { stroke: rgba(125,133,151,0.32); stroke-dasharray: 2 4; }
+.fn-kind-knows  .fn-edge-label { display: none; }
+
+.fn-edge.alive { animation: fn-flow 1.6s linear infinite; }
+.fn-edge.dim { opacity: 0.55; }
+@keyframes fn-flow { to { stroke-dashoffset: -54; } }
+#federation-network-graph.flow-off .fn-edge.alive { animation: none; }
+@media (prefers-reduced-motion: reduce) { .fn-edge.alive { animation: none; } }
+
+.fn-node { cursor: grab; }
+.fn-node.dragging { cursor: grabbing; }
+.fn-node circle, .fn-node rect { transition: filter 0.15s; }
+.fn-node:hover circle, .fn-node:hover rect { filter: drop-shadow(0 0 10px var(--accent)); }
+
+/* Self — accent-glowing rounded square. */
+.fn-self rect {
+  fill: rgba(30,200,255,0.18); stroke: var(--accent); stroke-width: 2;
+  filter: drop-shadow(0 0 14px var(--accent-glow));
+}
+.fn-self .fn-label { fill: var(--accent); font-weight: 700; letter-spacing: 0.10em; font-size: 13px; }
+
+/* Direct peers (distance=1). Status drives color. */
+.fn-status-trusted circle { fill: rgba(74,222,128,0.12); stroke: var(--green); stroke-width: 2; }
+.fn-status-vouched circle { fill: rgba(167,139,250,0.12); stroke: #a78bfa; stroke-width: 1.8; stroke-dasharray: 4 3; }
+.fn-status-unknown circle { fill: rgba(125,133,151,0.10); stroke: var(--muted); stroke-width: 1.6; }
+.fn-status-blocked circle { fill: rgba(248,113,113,0.10); stroke: var(--red); stroke-width: 1.6; }
+
+/* Transitive (distance=2) — fade and shrink the stroke. */
+.fn-distance-2 circle { opacity: 0.78; stroke-width: 1.2; }
+.fn-distance-2 .fn-label { fill: var(--muted); font-size: 9.5px; }
+.fn-distance-2 .fn-sublabel { display: none; }
+
+.fn-label, .fn-sublabel { text-anchor: middle; pointer-events: none; font-family: var(--font-display); }
+.fn-label { fill: var(--text); font-size: 11px; }
+.fn-sublabel { fill: var(--muted); font-size: 9px; font-family: ui-monospace, Menlo, monospace; letter-spacing: 0.04em; }
+
+.fn-node.selected circle, .fn-node.selected rect {
+  filter: drop-shadow(0 0 14px var(--accent));
+}
+.fn-node.selected .fn-label { fill: #eaf6ff; font-weight: 700; }
+
+/* Legend swatches. */
+.lg-swatch { display: inline-block; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid; vertical-align: -1px; }
+.fn-lg-self    { border-color: var(--accent); background: rgba(30,200,255,0.18); }
+.fn-lg-trusted { border-color: var(--green);  background: rgba(74,222,128,0.18); }
+.fn-lg-vouched { border-color: #a78bfa;        background: rgba(167,139,250,0.18); }
+.fn-lg-unknown { border-color: var(--muted);  background: rgba(125,133,151,0.18); }
+.fn-lg-blocked { border-color: var(--red);    background: rgba(248,113,113,0.18); }
+
+/* Detail status badge tinting. */
+.fn-status-badge-self    { color: var(--accent); border-color: var(--accent); background: rgba(30,200,255,0.10); }
+.fn-status-badge-trusted { color: var(--green);  border-color: var(--green);  background: rgba(74,222,128,0.10); }
+.fn-status-badge-vouched { color: #c4b5fd;        border-color: #a78bfa;        background: rgba(167,139,250,0.10); }
+.fn-status-badge-unknown { color: var(--muted);  border-color: var(--muted); }
+.fn-status-badge-blocked { color: var(--red);    border-color: var(--red);    background: rgba(248,113,113,0.10); }
+
+/* ---------- federation network — enriched detail layer ---------------- */
+
+/* Per-node stat badge: small monospace pill sitting just below the
+   sublabel ("8 sig · 2 vch · 1 quo"). SVG <text> styled, not a real
+   HTML pill — we keep it inline with the node group for layout. */
+.fn-stat-badge {
+  fill: var(--accent);
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+  text-anchor: middle;
+  pointer-events: none;
+  opacity: 0.85;
+  letter-spacing: 0.02em;
+}
+.fn-distance-2 .fn-stat-badge { display: none; }
+
+/* Corroboration edges — dotted faint accent, lower z visually. */
+.fn-kind-corroborate .fn-edge {
+  stroke: var(--accent);
+  stroke-width: 1.1;
+  stroke-dasharray: 1 5;
+  stroke-linecap: round;
+  opacity: 0.28;
+  animation: fn-corr-pulse 3.2s ease-in-out infinite;
+}
+.fn-kind-corroborate .fn-edge-label {
+  fill: rgba(170, 220, 255, 0.55);
+  font-size: 8.5px;
+  display: none;        /* surfaced via tooltip; chart stays calm */
+}
+.fn-kind-corroborate .fn-edge-grp { pointer-events: none; }
+@keyframes fn-corr-pulse {
+  0%, 100% { stroke-opacity: 0.22; }
+  50%      { stroke-opacity: 0.45; }
+}
+@media (prefers-reduced-motion: reduce) {
+  .fn-kind-corroborate .fn-edge { animation: none; }
+}
+#federation-network-graph.flow-off .fn-kind-corroborate .fn-edge { animation: none; }
+
+/* Hover tooltip — absolutely positioned, accent-bordered HUD pill. */
+.fn-tooltip {
+  position: absolute;
+  z-index: 50;
+  background: rgba(15, 17, 21, 0.96);
+  border: 1px solid var(--accent);
+  border-radius: 6px;
+  box-shadow: 0 0 18px var(--accent-glow), 0 6px 22px rgba(0,0,0,0.55);
+  padding: 8px 10px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+  color: var(--text);
+  line-height: 1.45;
+  pointer-events: none;
+  max-width: 320px;
+  white-space: nowrap;
+  display: none;
+}
+.fn-tooltip.is-visible { display: block; }
+.fn-tooltip-title {
+  color: var(--accent);
+  font-family: var(--font-display);
+  font-size: 12px;
+  margin-bottom: 4px;
+  letter-spacing: 0.05em;
+}
+.fn-tooltip-row { display: flex; gap: 10px; }
+.fn-tooltip-row .k { color: var(--muted); min-width: 70px; }
+.fn-tooltip-row .v { color: var(--text); }
+
+/* Search/filter bar above the graph. */
+.fn-search-bar {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin: 0 0 10px;
+}
+.fn-search-bar label {
+  color: var(--muted);
+  font-size: 11px;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+}
+.fn-search-input {
+  flex: 1;
+  max-width: 460px;
+  background: var(--panel-2);
+  color: var(--text);
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  padding: 6px 10px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 12px;
+  transition: border-color 0.15s, box-shadow 0.15s;
+}
+.fn-search-input:focus {
+  outline: none;
+  border-color: var(--accent);
+  box-shadow: 0 0 0 3px var(--accent-glow);
+}
+.fn-search-count { color: var(--muted); font-size: 11px; font-family: ui-monospace, Menlo, Consolas, monospace; }
+
+/* Search dim/highlight states. */
+.fn-node.dimmed { opacity: 0.15; }
+.fn-node.match  circle, .fn-node.match rect { stroke: var(--amber); stroke-width: 2.4; filter: drop-shadow(0 0 8px rgba(251,191,36,0.55)); }
+.fn-edge-grp.dimmed { opacity: 0.08; }
+
+/* Rich detail card — sits in the existing .topo-detail container. */
+.fn-detail-card {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
+  gap: 12px;
+  margin-top: 10px;
+}
+.fn-detail-sec {
+  background: var(--panel-2);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  padding: 10px 12px;
+  min-width: 0;     /* allow children to wrap */
+}
+.fn-detail-sec h4 {
+  margin: 0 0 8px;
+  font-size: 11px;
+  font-family: var(--font-display);
+  color: var(--muted);
+  text-transform: uppercase;
+  letter-spacing: 0.10em;
+  font-weight: 600;
+}
+.fn-detail-sec .row { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; padding: 2px 0; }
+.fn-detail-sec .row .k { color: var(--muted); }
+.fn-detail-sec .row .v { color: var(--text); font-family: ui-monospace, Menlo, Consolas, monospace; word-break: break-all; }
+.fn-detail-sec code {
+  font-size: 11px;
+  background: var(--panel);
+  border: 1px solid var(--border);
+  border-radius: 3px;
+  padding: 2px 5px;
+  word-break: break-all;
+  display: inline-block;
+}
+.fn-detail-sec .full-fp { font-size: 11px; line-height: 1.55; }
+.fn-copy-btn {
+  display: inline-block;
+  background: transparent;
+  color: var(--accent);
+  border: 1px solid var(--border);
+  border-radius: 3px;
+  font-size: 10px;
+  padding: 1px 6px;
+  margin-left: 6px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  cursor: pointer;
+  letter-spacing: 0.04em;
+}
+.fn-copy-btn:hover { border-color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
+
+/* Severity chips inside the Signals section. */
+.fn-sev-row { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
+.fn-sev-chip {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 2px 8px;
+  border-radius: 10px;
+  font-size: 10px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  border: 1px solid var(--border);
+  background: var(--panel);
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+.fn-sev-chip .n { font-weight: 700; }
+.fn-sev-critical { color: var(--red);    border-color: var(--red);    background: rgba(248,113,113,0.10); }
+.fn-sev-high     { color: var(--amber);  border-color: var(--amber);  background: rgba(251,191,36,0.10); }
+.fn-sev-medium   { color: #fde68a;        border-color: rgba(253,224,71,0.55); background: rgba(253,224,71,0.06); }
+.fn-sev-low      { color: var(--muted);  border-color: var(--border); }
+
+/* IOC-type chips reuse the chip shell with muted accents. */
+.fn-ioc-chip {
+  display: inline-flex; gap: 4px; padding: 2px 8px;
+  border-radius: 10px; font-size: 10px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  border: 1px solid var(--border); background: var(--panel);
+  color: var(--text);
+}
+.fn-ioc-chip .k { color: var(--accent); }
+.fn-ioc-chip .n { color: var(--text); font-weight: 700; }
+
+/* Quorum progress bar. */
+.fn-quorum-bar {
+  position: relative;
+  height: 8px;
+  background: var(--panel);
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  overflow: hidden;
+  margin-top: 6px;
+}
+.fn-quorum-fill {
+  position: absolute; inset: 0 auto 0 0;
+  background: linear-gradient(90deg, var(--accent), var(--green));
+  box-shadow: 0 0 8px var(--accent-glow);
+}
+
+/* Translog list inside the detail card. */
+.fn-trans-list {
+  list-style: none; margin: 0; padding: 0;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+  max-height: 180px;
+  overflow-y: auto;
+}
+.fn-trans-list li {
+  display: flex; gap: 8px; padding: 3px 0;
+  border-bottom: 1px dashed var(--border);
+}
+.fn-trans-list .id { color: var(--muted); min-width: 38px; }
+.fn-trans-list .type { color: var(--accent); min-width: 50px; }
+.fn-trans-list .ts { color: var(--muted); }
+.fn-trans-list .hash { color: var(--text); }
+
+/* Clickable fingerprint chip — jumps to that peer in the graph. */
+.fn-fp-jump {
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+  color: var(--accent);
+  background: var(--panel);
+  border: 1px solid var(--border);
+  border-radius: 3px;
+  padding: 1px 5px;
+  cursor: pointer;
+  margin: 2px 4px 2px 0;
+  display: inline-block;
+}
+.fn-fp-jump:hover { border-color: var(--accent); text-shadow: 0 0 8px var(--accent-glow); }
+
+/* Action buttons inside the detail card. */
+.fn-actions { display: flex; flex-wrap: wrap; gap: 8px; }
+.fn-action-btn {
+  display: inline-block;
+  padding: 5px 10px;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  color: var(--accent);
+  background: var(--panel);
+  font-size: 12px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  cursor: pointer;
+  text-decoration: none;
+}
+.fn-action-btn:hover { border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); text-decoration: none; }
+
+/* 24h timeline strip. */
+.fn-timeline-wrap {
+  margin-top: 18px;
+  padding: 12px 14px;
+  background: var(--panel-2);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+}
+.fn-timeline-head {
+  display: flex; justify-content: space-between; align-items: baseline;
+  margin-bottom: 8px;
+}
+.fn-timeline-head h3 {
+  margin: 0; font-size: 12px; color: var(--muted);
+  text-transform: uppercase; letter-spacing: 0.10em; font-weight: 600;
+  font-family: var(--font-display);
+}
+.fn-timeline-head .meta { color: var(--muted); font-size: 11px; font-family: ui-monospace, Menlo, Consolas, monospace; }
+.fn-timeline {
+  display: flex;
+  align-items: flex-end;
+  gap: 2px;
+  height: 90px;
+  border-bottom: 1px solid var(--border);
+  padding-bottom: 2px;
+}
+.fn-timeline-bar {
+  flex: 1;
+  display: flex;
+  flex-direction: column-reverse;        /* segments stack from bottom up */
+  align-items: stretch;
+  min-width: 6px;
+  height: 100%;
+  position: relative;
+  background: rgba(125,133,151,0.04);
+  border-bottom: 1px solid transparent;
+  cursor: default;
+}
+.fn-timeline-bar:hover { background: rgba(30,200,255,0.08); }
+.fn-timeline-bar-seg {
+  width: 100%;
+  min-height: 1px;
+  transition: filter 0.15s;
+}
+.fn-timeline-bar:hover .fn-timeline-bar-seg { filter: brightness(1.25); }
+.fn-timeline-axis {
+  display: flex; gap: 2px; margin-top: 4px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 9px; color: var(--muted);
+}
+.fn-timeline-axis span { flex: 1; text-align: center; min-width: 6px; }
+.fn-timeline-empty {
+  color: var(--muted); font-size: 12px; font-style: italic;
+  text-align: center; padding: 22px 0;
+}
+
+/* ===================================================================
+ * federation explorer — public transparency page
+ * Public-facing variant of the admin federation network UI. Reuses the
+ * fn-* graph classes; fe-* is just the chrome around it.
+ * =================================================================== */
+
+.fe-page { background: var(--bg); }
+.fe-topbar { gap: 18px; }
+.fe-topbar .nav-toggle, .fe-topbar .nav { display: none; }
+.fe-badge {
+  display: inline-flex; align-items: center; gap: 8px;
+  padding: 4px 12px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 10.5px;
+  color: var(--accent);
+  background: rgba(30,200,255,0.08);
+  border: 1px solid var(--accent);
+  border-radius: 999px;
+  letter-spacing: 0.10em;
+  text-transform: uppercase;
+  box-shadow: 0 0 12px var(--accent-glow);
+  margin-left: auto;
+}
+.fe-badge-dot {
+  width: 7px; height: 7px; border-radius: 50%;
+  background: var(--accent);
+  box-shadow: 0 0 8px var(--accent);
+  animation: fe-pulse 1.8s ease-in-out infinite;
+}
+@keyframes fe-pulse {
+  0%, 100% { opacity: 1; transform: scale(1); }
+  50%      { opacity: 0.4; transform: scale(1.4); }
+}
+
+.fe-hero { padding: 28px 32px; }
+.fe-hero-head { margin-bottom: 14px; }
+.fe-title {
+  margin: 0;
+  font-family: var(--font-display);
+  font-size: 32px;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+  color: var(--text);
+}
+.fe-title::before {
+  content: "⌖ ";
+  color: var(--accent);
+  text-shadow: 0 0 12px var(--accent-glow);
+}
+.fe-sub {
+  margin: 6px 0 0;
+  color: var(--accent);
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 13px;
+  word-break: break-all;
+  text-shadow: 0 0 8px var(--accent-glow);
+}
+.fe-intro {
+  margin: 14px 0 0;
+  max-width: 920px;
+  color: var(--text);
+  line-height: 1.55;
+  font-size: 14px;
+}
+.fe-intro strong { color: var(--accent); font-weight: 600; }
+.fe-intro-sub { color: var(--muted); font-size: 12px; margin-top: 10px; }
+.fe-fp {
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+  background: var(--panel);
+  border: 1px solid var(--border);
+  border-radius: 3px;
+  padding: 2px 6px;
+  color: var(--accent);
+  word-break: break-all;
+}
+
+.fe-kpi-panel { padding: 18px 22px; }
+.fe-kpis { gap: 14px; }
+.fe-kpis .fn-stat { min-width: 130px; }
+.fe-kpi-verify .fn-stat-value { font-size: 18px; }
+.fe-kpi-verify .fn-stat-value.fe-verify-ok  { color: var(--green); text-shadow: 0 0 10px rgba(74,222,128,0.45); }
+.fe-kpi-verify .fn-stat-value.fe-verify-bad { color: var(--red);   text-shadow: 0 0 10px rgba(248,113,113,0.45); }
+
+.fe-verify-row {
+  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
+  margin-top: 14px;
+  padding-top: 14px;
+  border-top: 1px dashed var(--border);
+}
+.fe-verify-btn {
+  font-family: var(--font-display);
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  font-size: 11px;
+  font-weight: 600;
+}
+.fe-verify-result {
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 12px;
+  color: var(--muted);
+}
+.fe-verify-result.fe-verify-ok  { color: var(--green); }
+.fe-verify-result.fe-verify-bad { color: var(--red); }
+.fe-verify-link {
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+  color: var(--muted);
+  text-decoration: none;
+  border-bottom: 1px dotted var(--border);
+}
+.fe-verify-link:hover { color: var(--accent); border-color: var(--accent); }
+
+.fe-stage { margin-top: 8px; }
+
+.fe-walk {
+  margin-top: 16px;
+  padding: 14px 18px;
+  background: var(--panel-2);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  min-height: 56px;
+}
+.fe-walk-empty {
+  margin: 0; color: var(--muted);
+  font-style: italic; font-size: 13px;
+}
+.fe-walk-card {
+  display: grid;
+  grid-template-columns: 1fr auto;
+  gap: 16px;
+  align-items: center;
+}
+.fe-walk-card-body { min-width: 0; }
+.fe-walk-card-title {
+  margin: 0 0 4px;
+  font-family: var(--font-display);
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--text);
+  word-break: break-all;
+}
+.fe-walk-card-fp {
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+  color: var(--muted);
+  word-break: break-all;
+}
+.fe-walk-card-stats {
+  display: flex; flex-wrap: wrap; gap: 8px;
+  margin-top: 10px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px;
+}
+.fe-walk-card-stats .k { color: var(--muted); }
+.fe-walk-card-stats .v { color: var(--accent); }
+.fe-walk-card-stats > span {
+  padding: 2px 8px;
+  border: 1px solid var(--border);
+  border-radius: 999px;
+  background: var(--panel);
+}
+.fe-walk-cta {
+  display: inline-flex; align-items: center; gap: 8px;
+  padding: 10px 18px;
+  font-family: var(--font-display);
+  font-size: 13px;
+  font-weight: 600;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  color: var(--bg);
+  background: var(--accent);
+  border: 1px solid var(--accent);
+  border-radius: 5px;
+  text-decoration: none;
+  box-shadow: 0 0 14px var(--accent-glow);
+  white-space: nowrap;
+}
+.fe-walk-cta:hover {
+  background: #66daff;
+  text-decoration: none;
+}
+.fe-walk-cta-disabled {
+  color: var(--muted);
+  background: transparent;
+  border-color: var(--border);
+  box-shadow: none;
+  cursor: not-allowed;
+}
+
+.fe-vouches-panel .fe-vouches-in-list {
+  list-style: none;
+  margin: 0; padding: 0;
+}
+.fe-vouches-in-list li {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  gap: 12px;
+  align-items: center;
+  padding: 8px 10px;
+  border-bottom: 1px dashed var(--border);
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 12px;
+}
+.fe-vouches-in-list li:last-child { border-bottom: 0; }
+.fe-vouches-in-list .fp { color: var(--accent); word-break: break-all; }
+.fe-vouches-in-list .ts { color: var(--muted); font-size: 11px; }
+.fe-vouches-in-empty {
+  color: var(--muted); font-style: italic;
+  display: block !important;
+  text-align: center;
+  padding: 18px 0;
+}
+
+.fe-footer {
+  margin-top: 36px;
+  text-align: center;
+  color: var(--muted);
+  font-size: 11px;
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  letter-spacing: 0.05em;
+}
+
+@media (max-width: 720px) {
+  .fe-hero { padding: 18px 16px; }
+  .fe-title { font-size: 24px; }
+  .fe-walk-card {
+    grid-template-columns: 1fr;
+  }
+  .fe-walk-cta { width: 100%; justify-content: center; }
+}
+
+/* peer self-view section inside the detail panel — fetched cross-origin */
+.fn-remote-sec { grid-column: 1 / -1; }
+.fn-remote-status {
+  font-size: 11px; color: var(--muted); margin-left: 8px; font-weight: 400;
+  text-transform: lowercase; letter-spacing: 0.02em;
+}
+.fn-remote-meta {
+  display: flex; flex-wrap: wrap; gap: 12px 18px;
+  font-size: 12px; color: var(--muted); margin-bottom: 12px;
+}
+.fn-remote-meta b { color: var(--text); font-weight: 600; }
+.fn-remote-meta code { font-size: 11px; color: var(--accent); }
+.fn-remote-ok   { color: rgba(74,222,128,0.95); }
+.fn-remote-warn { color: rgba(251,191,36,0.95); }
+.fn-remote-cols {
+  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
+  gap: 14px; margin: 8px 0 12px;
+}
+.fn-remote-h { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
+.fn-remote-list { list-style: none; padding: 0; margin: 0; font-size: 12px; line-height: 1.55; }
+.fn-remote-list li { padding: 2px 0; border-bottom: 1px dashed rgba(125,133,151,0.18); }
+.fn-remote-list li:last-child { border-bottom: 0; }
+.fn-remote-list code { font-size: 11px; color: var(--accent); }
+.fn-remote-list .muted { color: var(--muted); margin-left: 6px; font-size: 11px; }
+.fn-remote-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
+
+/* peer container topology — sanitized snapshot fetched from peer's
+   /federation/topology. Full-width row inside the detail card; networks
+   + containers in two columns, each row tagged with a small state dot. */
+.fn-topology-sec { grid-column: 1 / -1; }
+.fn-topology-meta {
+  display: flex; flex-wrap: wrap; gap: 6px 16px;
+  font-size: 11px; color: var(--muted); margin-bottom: 10px;
+  letter-spacing: 0.02em;
+}
+.fn-topology-meta code { font-size: 11px; color: var(--accent); }
+.fn-topology-cols {
+  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
+  gap: 14px; margin: 4px 0 6px;
+}
+.fn-topology-h {
+  font-size: 11px; color: var(--muted);
+  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px;
+}
+.fn-topology-list { list-style: none; padding: 0; margin: 0; font-size: 12px; line-height: 1.55; }
+.fn-topology-list li {
+  padding: 4px 0; border-bottom: 1px dashed rgba(125,133,151,0.18);
+  display: block;
+}
+.fn-topology-list li:last-child { border-bottom: 0; }
+.fn-topology-list .muted { color: var(--muted); font-size: 11px; }
+
+/* small colored dot indicating container state */
+.fn-topo-state-dot {
+  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
+  margin-right: 8px; vertical-align: middle;
+  background: rgba(125,133,151,0.7);
+}
+.fn-topo-state-running { background: rgba(74,222,128,1); box-shadow: 0 0 4px rgba(74,222,128,0.55); }
+.fn-topo-state-exited  { background: rgba(125,133,151,0.7); }
+.fn-topo-state-paused  { background: rgba(251,191,36,1); }
+.fn-topo-state-restarting,
+.fn-topo-state-dead,
+.fn-topo-state-unhealthy { background: rgba(248,113,113,1); }
+
+.fn-topo-cname { color: var(--text); font-family: ui-monospace, Menlo, Consolas, monospace; }
+.fn-topo-netname { color: var(--text); font-family: ui-monospace, Menlo, Consolas, monospace; }
+.fn-topo-image {
+  font-family: ui-monospace, Menlo, Consolas, monospace;
+  font-size: 11px; color: var(--muted);
+  margin-left: 14px; word-break: break-all;
+}
+.fn-topo-int {
+  display: inline-block; font-size: 10px;
+  padding: 1px 5px; margin-left: 6px;
+  border-radius: 3px; color: var(--amber);
+  background: rgba(251,191,36,0.12);
+  border: 1px solid rgba(251,191,36,0.25);
+  text-transform: uppercase; letter-spacing: 0.05em;
+}
+.fn-topo-health {
+  display: inline-block; font-size: 10px;
+  padding: 1px 5px; margin-left: 6px;
+  border-radius: 3px; text-transform: uppercase; letter-spacing: 0.05em;
+  background: rgba(125,133,151,0.15); color: var(--muted);
+  border: 1px solid rgba(125,133,151,0.25);
+}
+.fn-topo-h-healthy   { color: var(--green); border-color: rgba(74,222,128,0.35); background: rgba(74,222,128,0.10); }
+.fn-topo-h-unhealthy { color: var(--red);   border-color: rgba(248,113,113,0.35); background: rgba(248,113,113,0.10); }
+.fn-topo-h-starting  { color: var(--amber); border-color: rgba(251,191,36,0.35); background: rgba(251,191,36,0.10); }

src/psyc/cockpit/static/federation_explore.js

@@ -0,0 +1,780 @@
+/* psyc — federation explorer (public, transparency view).
+ *
+ * Forked from federation_network.js, adapted for the public surface:
+ *   • data source is /federation/explore/data (signed, CORS-enabled)
+ *   • clicking a peer opens a walk-to-peer card with a primary CTA
+ *     that full-page-navigates to that peer's own /federation/explore
+ *   • the transparency log can be re-verified live from the page
+ *   • inbound vouches (who vouches for THIS node) get their own section
+ *   • severity/IOC-type breakdowns are intentionally NOT surfaced —
+ *     those stay admin-only to avoid sector-leaking via the public page
+ *
+ * Pure vanilla JS, no deps. Mirrors topology.js's proven force-sim loop.
+ */
+
+(function () {
+  "use strict";
+
+  const svg = document.getElementById("federation-network-graph");
+  const loadingEl = document.getElementById("fn-loading");
+  const errorEl = document.getElementById("fn-error");
+  const tooltipEl = document.getElementById("fn-tooltip");
+  const walkEl = document.getElementById("fe-walk");
+  const directCountEl = document.getElementById("fe-direct-count");
+  const transitiveCountEl = document.getElementById("fe-transitive-count");
+  const kpiPeers = document.getElementById("fe-kpi-peers");
+  const kpiVouchesOut = document.getElementById("fe-kpi-vouches-out");
+  const kpiVouchesIn = document.getElementById("fe-kpi-vouches-in");
+  const kpiSignals = document.getElementById("fe-kpi-signals");
+  const kpiCorroboration = document.getElementById("fe-kpi-corroboration");
+  const kpiTranslog = document.getElementById("fe-kpi-translog");
+  const kpiVerify = document.getElementById("fe-kpi-verify");
+  const verifyBtn = document.getElementById("fe-verify-btn");
+  const verifyResult = document.getElementById("fe-verify-result");
+  const vouchesInList = document.getElementById("fe-vouches-in-list");
+  const vouchesInCountEl = document.getElementById("fe-vouches-in-count");
+  const settings = window.PSYC_EXPLORE || {};
+
+  if (!svg) return;
+
+  // ---------- shared escape -----------------------------------------------
+  function esc(s) {
+    return String(s == null ? "" : s).replace(/[&<>"']/g, c =>
+      ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]));
+  }
+  function shortFp(fp) {
+    if (!fp) return "—";
+    if (fp.length >= 16) return fp.slice(0, 8) + "…" + fp.slice(-8);
+    return fp;
+  }
+  function fmtAge(iso) {
+    if (!iso) return "—";
+    const ts = new Date(iso);
+    if (isNaN(ts.getTime())) return "—";
+    const secs = Math.floor((Date.now() - ts.getTime()) / 1000);
+    if (secs < 0) return "just now";
+    if (secs < 60) return secs + "s ago";
+    if (secs < 3600) return Math.floor(secs / 60) + "m ago";
+    if (secs < 86400) return Math.floor(secs / 3600) + "h ago";
+    return Math.floor(secs / 86400) + "d ago";
+  }
+
+  fetch("/federation/explore/data", { credentials: "omit" })
+    .then(r => {
+      if (!r.ok) throw new Error("HTTP " + r.status);
+      return r.json();
+    })
+    .then(data => {
+      if (loadingEl) loadingEl.style.display = "none";
+      render(data);
+    })
+    .catch(err => {
+      if (loadingEl) loadingEl.style.display = "none";
+      if (errorEl) {
+        errorEl.style.display = "block";
+        errorEl.textContent = "✗ failed to load explore payload: " + err.message;
+      }
+    });
+
+  // ---------- verify button — fetch /federation/log/verify ---------------
+  if (verifyBtn) {
+    verifyBtn.addEventListener("click", () => {
+      verifyBtn.disabled = true;
+      verifyResult.textContent = "verifying…";
+      verifyResult.classList.remove("fe-verify-ok", "fe-verify-bad");
+      fetch("/federation/log/verify", { credentials: "omit" })
+        .then(r => r.json().then(b => ({ status: r.status, body: b })))
+        .then(({ status, body }) => {
+          if (status === 200 && body.verified != null) {
+            verifyResult.textContent = "✓ verified " + body.verified + " entries · head " + (body.head_hash || "").slice(0, 12) + "…";
+            verifyResult.classList.add("fe-verify-ok");
+            if (kpiVerify) {
+              kpiVerify.textContent = "✓ ok";
+              kpiVerify.classList.add("fe-verify-ok");
+              kpiVerify.classList.remove("fe-verify-bad");
+            }
+          } else {
+            verifyResult.textContent = "✗ " + (body.error || "chain invalid");
+            verifyResult.classList.add("fe-verify-bad");
+            if (kpiVerify) {
+              kpiVerify.textContent = "✗ broken";
+              kpiVerify.classList.add("fe-verify-bad");
+              kpiVerify.classList.remove("fe-verify-ok");
+            }
+          }
+        })
+        .catch(err => {
+          verifyResult.textContent = "✗ fetch failed: " + err.message;
+          verifyResult.classList.add("fe-verify-bad");
+        })
+        .finally(() => { verifyBtn.disabled = false; });
+    });
+  }
+
+  function render(data) {
+    const node = data.node || {};
+    const selfFp = data.fingerprint || node.fingerprint || "";
+    const peersData = data.peers || [];
+    const transitiveData = data.transitive_peers || [];
+    const vouchesIn = data.vouches_in || [];
+    const vouchesOut = data.vouches_out || data.vouches || [];
+
+    // ---------- KPI strip ------------------------------------------------
+    if (kpiPeers) kpiPeers.textContent = String(node.peer_count != null ? node.peer_count : peersData.length);
+    if (kpiVouchesOut) kpiVouchesOut.textContent = String(node.vouches_out_count != null ? node.vouches_out_count : vouchesOut.length);
+    if (kpiVouchesIn) kpiVouchesIn.textContent = String(node.vouches_in_count != null ? node.vouches_in_count : vouchesIn.length);
+    if (kpiSignals) kpiSignals.textContent = String(node.signals_count_24h || 0);
+    if (kpiCorroboration) kpiCorroboration.textContent = String(node.corroboration_count_24h || 0);
+    if (kpiTranslog) kpiTranslog.textContent = String(node.translog_entry_count || 0);
+    if (kpiVerify) kpiVerify.textContent = "unverified";
+
+    if (directCountEl) directCountEl.textContent = String(peersData.length);
+    if (transitiveCountEl) transitiveCountEl.textContent = String(transitiveData.length);
+
+    // ---------- node + edge model ----------------------------------------
+    // The explore payload doesn't ship edges directly; we derive them from
+    // the vouches + per-peer signal counts so the graph reads the same way
+    // the admin view does.
+    const peerByFp = Object.create(null);
+    const nodes = [];
+
+    // Self at the center.
+    const selfNode = {
+      id: selfFp, fp: selfFp,
+      domain: settings.selfDomain || node.domain || "",
+      label: settings.selfDomain || (node.domain || "self"),
+      status: "self",
+      is_self: true,
+      distance: 0,
+      stats: null,
+      r: 38,
+      intensity: 1,
+      x: 0, y: 0, vx: 0, vy: 0, fixed: false,
+    };
+    nodes.push(selfNode);
+    peerByFp[selfFp] = selfNode;
+
+    // Max signal count for log-intensity normalization.
+    let maxSig = 0;
+    for (const p of peersData) {
+      if ((p.signal_count_24h || 0) > maxSig) maxSig = p.signal_count_24h || 0;
+    }
+
+    for (const p of peersData) {
+      const fp = p.fingerprint;
+      if (!fp || fp === selfFp) continue;
+      const sig = p.signal_count_24h || 0;
+      let intensity = 1;
+      if (maxSig > 0) {
+        const num = Math.log2(sig + 1);
+        const den = Math.log2(maxSig + 1) || 1;
+        intensity = 0.20 + 0.80 * (num / den);
+      }
+      const n = {
+        id: fp, fp,
+        domain: p.domain || "",
+        label: p.domain || shortFp(fp),
+        status: "trusted",
+        is_self: false,
+        distance: 1,
+        stats: p,
+        r: 16,
+        intensity,
+        x: 0, y: 0, vx: 0, vy: 0, fixed: false,
+      };
+      nodes.push(n);
+      peerByFp[fp] = n;
+    }
+
+    for (const t of transitiveData) {
+      const fp = t.fingerprint;
+      if (!fp || peerByFp[fp]) continue;
+      const n = {
+        id: fp, fp,
+        domain: t.domain || "",
+        label: t.domain || shortFp(fp),
+        status: "unknown",
+        is_self: false,
+        distance: 2,
+        stats: null,
+        via: t.via_peer_fingerprint || "",
+        r: 9,
+        intensity: 0.7,
+        x: 0, y: 0, vx: 0, vy: 0, fixed: false,
+      };
+      nodes.push(n);
+      peerByFp[fp] = n;
+    }
+
+    // Edges. Per-peer signal counts → signal edges; outbound vouches →
+    // vouch edges; vouches_in → bidirectional vouch edges; transitive
+    // "via" → knows edges.
+    const edges = [];
+    for (const p of peersData) {
+      const fp = p.fingerprint;
+      if (!fp || fp === selfFp) continue;
+      if ((p.signal_count_24h || 0) > 0) {
+        edges.push({
+          source: fp, target: selfFp, kind: "signal",
+          weight: p.signal_count_24h, label: p.signal_count_24h + " signals/24h",
+          bidirectional: false,
+        });
+      }
+    }
+    // Outbound vouches.
+    const outbound = new Set();
+    for (const v of vouchesOut) {
+      const tgt = v.target_fingerprint;
+      if (!tgt || !peerByFp[tgt]) continue;
+      outbound.add(tgt);
+      edges.push({
+        source: selfFp, target: tgt, kind: "vouch",
+        weight: 1, label: "vouched", bidirectional: false,
+      });
+    }
+    // Inbound vouches — collapse onto existing outbound where possible.
+    for (const v of vouchesIn) {
+      const src = v.voucher_fingerprint;
+      if (!src || !peerByFp[src]) continue;
+      if (outbound.has(src)) {
+        const existing = edges.find(e => e.kind === "vouch"
+          && e.source === selfFp && e.target === src);
+        if (existing) {
+          existing.bidirectional = true;
+          existing.label = "vouched ↔";
+          continue;
+        }
+      }
+      edges.push({
+        source: src, target: selfFp, kind: "vouch",
+        weight: 1, label: "vouches us", bidirectional: false,
+      });
+    }
+    // Transitive "knows" edges.
+    for (const t of transitiveData) {
+      const parent = t.via_peer_fingerprint;
+      if (!parent || !peerByFp[parent] || !peerByFp[t.fingerprint]) continue;
+      edges.push({
+        source: parent, target: t.fingerprint, kind: "knows",
+        weight: 0.5, label: "knows", bidirectional: false,
+      });
+    }
+
+    // ---------- viewport + seeding ---------------------------------------
+    function viewport() {
+      const W = svg.clientWidth || 900;
+      const H = parseInt(getComputedStyle(svg).height, 10) || 560;
+      return { W, H };
+    }
+    let { W, H } = viewport();
+    svg.setAttribute("viewBox", `0 0 ${W} ${H}`);
+
+    (function seed() {
+      const cx = W / 2, cy = H / 2;
+      nodes.forEach((n, i) => {
+        if (n.is_self) { n.x = cx; n.y = cy; return; }
+        const ring = n.distance >= 2 ? Math.min(W, H) * 0.40 : Math.min(W, H) * 0.22;
+        const ang = (i / Math.max(1, nodes.length)) * Math.PI * 2;
+        n.x = cx + ring * Math.cos(ang) + (Math.random() - 0.5) * 20;
+        n.y = cy + ring * Math.sin(ang) + (Math.random() - 0.5) * 20;
+      });
+    })();
+
+    const REPULSION = 1500;
+    const SPRING_K = 0.035;
+    const SPRING_REST_BASE = 110;
+    const DAMP = 0.82;
+    const CENTER_PULL = 0.005;
+
+    function tick() {
+      for (let i = 0; i < nodes.length; i++) {
+        const a = nodes[i];
+        for (let j = i + 1; j < nodes.length; j++) {
+          const b = nodes[j];
+          const dx = b.x - a.x, dy = b.y - a.y;
+          const d2 = dx * dx + dy * dy + 0.1;
+          const d = Math.sqrt(d2);
+          const f = REPULSION / d2;
+          const fx = (dx / d) * f, fy = (dy / d) * f;
+          if (!a.fixed) { a.vx -= fx; a.vy -= fy; }
+          if (!b.fixed) { b.vx += fx; b.vy += fy; }
+        }
+      }
+      for (const e of edges) {
+        const a = peerByFp[e.source], b = peerByFp[e.target];
+        if (!a || !b) continue;
+        const rest = e.kind === "knows" ? SPRING_REST_BASE + 60 : SPRING_REST_BASE;
+        const dx = b.x - a.x, dy = b.y - a.y;
+        const d = Math.sqrt(dx * dx + dy * dy) + 0.1;
+        const f = (d - rest) * SPRING_K;
+        const fx = (dx / d) * f, fy = (dy / d) * f;
+        if (!a.fixed) { a.vx += fx; a.vy += fy; }
+        if (!b.fixed) { b.vx -= fx; b.vy -= fy; }
+      }
+      for (const n of nodes) {
+        if (n.fixed) { n.vx = 0; n.vy = 0; continue; }
+        n.vx += (W / 2 - n.x) * CENTER_PULL;
+        n.vy += (H / 2 - n.y) * CENTER_PULL;
+        n.vx *= DAMP; n.vy *= DAMP;
+        n.x += n.vx; n.y += n.vy;
+        n.x = Math.max(n.r, Math.min(W - n.r, n.x));
+        n.y = Math.max(n.r, Math.min(H - n.r, n.y));
+      }
+    }
+    for (let i = 0; i < 280; i++) tick();
+
+    // ---------- render SVG groups ----------------------------------------
+    const ns = "http://www.w3.org/2000/svg";
+    const edgesG = document.createElementNS(ns, "g");
+    const nodesG = document.createElementNS(ns, "g");
+    edgesG.setAttribute("class", "fn-edges");
+    nodesG.setAttribute("class", "fn-nodes");
+    svg.appendChild(edgesG);
+    svg.appendChild(nodesG);
+
+    const edgeEls = edges.map(e => {
+      const grp = document.createElementNS(ns, "g");
+      grp.setAttribute("class", "fn-edge-grp fn-kind-" + e.kind);
+      grp.dataset.source = e.source;
+      grp.dataset.target = e.target;
+      const ln = document.createElementNS(ns, "line");
+      ln.setAttribute("class", "fn-edge");
+      if (e.kind === "signal") {
+        const w = Math.min(5, 1 + Math.log2(e.weight + 1) * 0.8);
+        ln.setAttribute("stroke-width", w.toFixed(2));
+      }
+      grp.appendChild(ln);
+      if (e.label) {
+        const lbl = document.createElementNS(ns, "text");
+        lbl.setAttribute("class", "fn-edge-label");
+        lbl.textContent = e.label;
+        grp.appendChild(lbl);
+      }
+      edgesG.appendChild(grp);
+      return { line: ln, label: grp.querySelector("text"), grp };
+    });
+
+    function _classFor(n) {
+      if (n.is_self) return "fn-node fn-self";
+      const dist = n.distance >= 2 ? " fn-distance-2" : " fn-distance-1";
+      return "fn-node fn-status-" + n.status + dist;
+    }
+
+    const nodeEls = nodes.map(n => {
+      const g = document.createElementNS(ns, "g");
+      g.setAttribute("class", _classFor(n));
+      g.dataset.fp = n.fp;
+
+      let shape;
+      if (n.is_self) {
+        const sz = n.r;
+        shape = document.createElementNS(ns, "rect");
+        shape.setAttribute("x", -sz); shape.setAttribute("y", -sz);
+        shape.setAttribute("width", sz * 2); shape.setAttribute("height", sz * 2);
+        shape.setAttribute("rx", 10); shape.setAttribute("ry", 10);
+        g.appendChild(shape);
+      } else {
+        shape = document.createElementNS(ns, "circle");
+        shape.setAttribute("r", n.r);
+        shape.setAttribute("fill-opacity", n.intensity.toFixed(2));
+        g.appendChild(shape);
+      }
+
+      const text = document.createElementNS(ns, "text");
+      text.setAttribute("class", "fn-label");
+      text.setAttribute("dy", n.r + 13);
+      text.textContent = n.label;
+      g.appendChild(text);
+
+      if (!n.is_self) {
+        const sub = document.createElementNS(ns, "text");
+        sub.setAttribute("class", "fn-sublabel");
+        sub.setAttribute("dy", n.r + 24);
+        sub.textContent = n.fp.slice(0, 8) + "…";
+        g.appendChild(sub);
+
+        if (n.stats) {
+          const badge = document.createElementNS(ns, "text");
+          badge.setAttribute("class", "fn-stat-badge");
+          badge.setAttribute("dy", n.r + 36);
+          badge.textContent =
+            "↓ " + (n.stats.signal_count_24h || 0) +
+            " · ⚡ " + (n.stats.quorum_contribution_24h || 0);
+          g.appendChild(badge);
+        }
+      }
+
+      const title = document.createElementNS(ns, "title");
+      title.textContent = (n.is_self ? "self · " : "") + (n.domain || n.label || n.fp);
+      g.appendChild(title);
+
+      nodesG.appendChild(g);
+      return g;
+    });
+
+    function paint() {
+      for (let i = 0; i < edges.length; i++) {
+        const e = edges[i];
+        const a = peerByFp[e.source], b = peerByFp[e.target];
+        if (!a || !b) continue;
+        const els = edgeEls[i];
+        els.line.setAttribute("x1", a.x); els.line.setAttribute("y1", a.y);
+        els.line.setAttribute("x2", b.x); els.line.setAttribute("y2", b.y);
+        if (els.label) {
+          const mx = (a.x + b.x) / 2, my = (a.y + b.y) / 2;
+          els.label.setAttribute("x", mx); els.label.setAttribute("y", my - 3);
+        }
+      }
+      for (let i = 0; i < nodes.length; i++) {
+        nodeEls[i].setAttribute("transform", `translate(${nodes[i].x},${nodes[i].y})`);
+      }
+    }
+    paint();
+
+    // ---------- tooltip --------------------------------------------------
+    function showTooltip(n, clientX, clientY) {
+      if (!tooltipEl) return;
+      const rows = [];
+      rows.push(`<div class="fn-tooltip-title">${esc(n.domain || n.label || n.fp.slice(0,12))}</div>`);
+      if (n.is_self) {
+        rows.push(`<div class="fn-tooltip-row"><span class="k">role</span><span class="v">self</span></div>`);
+        rows.push(`<div class="fn-tooltip-row"><span class="k">peers</span><span class="v">${node.peer_count || 0}</span></div>`);
+        rows.push(`<div class="fn-tooltip-row"><span class="k">signals 24h</span><span class="v">${node.signals_count_24h || 0}</span></div>`);
+      } else if (n.distance >= 2) {
+        rows.push(`<div class="fn-tooltip-row"><span class="k">distance</span><span class="v">2 hops (transitive)</span></div>`);
+        if (n.via) {
+          const parent = peerByFp[n.via];
+          const via = parent ? (parent.domain || shortFp(parent.fp)) : shortFp(n.via);
+          rows.push(`<div class="fn-tooltip-row"><span class="k">via</span><span class="v">${esc(via)}</span></div>`);
+        }
+        rows.push(`<div class="fn-tooltip-row"><span class="k">tip</span><span class="v">click to walk →</span></div>`);
+      } else {
+        const s = n.stats || {};
+        rows.push(`<div class="fn-tooltip-row"><span class="k">status</span><span class="v">trusted</span></div>`);
+        rows.push(`<div class="fn-tooltip-row"><span class="k">signals 24h</span><span class="v">${s.signal_count_24h || 0}</span></div>`);
+        rows.push(`<div class="fn-tooltip-row"><span class="k">quorum hits</span><span class="v">${s.quorum_contribution_24h || 0}</span></div>`);
+        rows.push(`<div class="fn-tooltip-row"><span class="k">last seen</span><span class="v">${esc(fmtAge(s.last_seen))}</span></div>`);
+        rows.push(`<div class="fn-tooltip-row"><span class="k">tip</span><span class="v">click to walk →</span></div>`);
+      }
+      tooltipEl.innerHTML = rows.join("");
+      tooltipEl.classList.add("is-visible");
+      positionTooltip(clientX, clientY);
+    }
+    function positionTooltip(clientX, clientY) {
+      if (!tooltipEl) return;
+      const parent = svg.parentElement;
+      if (!parent) return;
+      const rect = parent.getBoundingClientRect();
+      let x = clientX - rect.left + 14;
+      let y = clientY - rect.top + 14;
+      const tw = tooltipEl.offsetWidth || 240;
+      const th = tooltipEl.offsetHeight || 100;
+      if (x + tw > parent.clientWidth - 4) x = clientX - rect.left - tw - 14;
+      if (y + th > parent.clientHeight - 4) y = clientY - rect.top - th - 14;
+      tooltipEl.style.left = x + "px";
+      tooltipEl.style.top = y + "px";
+    }
+    function hideTooltip() {
+      if (tooltipEl) tooltipEl.classList.remove("is-visible");
+    }
+
+    // ---------- drag + click + hover ------------------------------------
+    let dragging = null, dragOffset = { x: 0, y: 0 };
+    let pressedNode = null, pressedAt = null, moved = false;
+    let energyBudget = 40;
+    function svgPoint(clientX, clientY) {
+      const pt = svg.createSVGPoint(); pt.x = clientX; pt.y = clientY;
+      return pt.matrixTransform(svg.getScreenCTM().inverse());
+    }
+    nodeEls.forEach((g, i) => {
+      const n = nodes[i];
+      g.addEventListener("mousedown", ev => {
+        ev.preventDefault();
+        pressedNode = n;
+        pressedAt = { x: ev.clientX, y: ev.clientY };
+        moved = false;
+        dragging = n;
+        const p = svgPoint(ev.clientX, ev.clientY);
+        dragOffset.x = p.x - dragging.x; dragOffset.y = p.y - dragging.y;
+        if (currentLayout === "force") dragging.fixed = true;
+        g.classList.add("dragging");
+      });
+      g.addEventListener("mouseenter", ev => showTooltip(n, ev.clientX, ev.clientY));
+      g.addEventListener("mousemove",  ev => positionTooltip(ev.clientX, ev.clientY));
+      g.addEventListener("mouseleave", hideTooltip);
+    });
+    document.addEventListener("mousemove", ev => {
+      if (pressedAt) {
+        const dx = ev.clientX - pressedAt.x, dy = ev.clientY - pressedAt.y;
+        if (dx * dx + dy * dy > 16) moved = true;
+      }
+      if (!dragging) return;
+      const p = svgPoint(ev.clientX, ev.clientY);
+      dragging.x = p.x - dragOffset.x; dragging.y = p.y - dragOffset.y;
+      dragging.vx = 0; dragging.vy = 0;
+      energyBudget = 80;
+    });
+    document.addEventListener("mouseup", () => {
+      if (dragging) {
+        const g = nodesG.querySelector(`[data-fp="${CSS.escape(dragging.fp)}"]`);
+        if (g) g.classList.remove("dragging");
+        if (currentLayout === "force") dragging.fixed = false;
+        dragging = null;
+      }
+      if (pressedNode && !moved) selectNode(pressedNode);
+      pressedNode = null; pressedAt = null;
+    });
+
+    // ---------- walk-to-peer card ---------------------------------------
+    function selectNode(n) {
+      nodeEls.forEach(el => el.classList.remove("selected"));
+      const me = nodesG.querySelector(`[data-fp="${CSS.escape(n.fp)}"]`);
+      if (me) me.classList.add("selected");
+      renderWalk(n);
+    }
+    function jumpToFp(fp) {
+      const t = peerByFp[fp];
+      if (!t) return;
+      selectNode(t);
+      // Scroll the graph stage into view so the user sees the highlight.
+      svg.scrollIntoView({ behavior: "smooth", block: "center" });
+    }
+
+    function vouchersFor(fp) {
+      // Inbound vouches naming `fp`. Right now we only have inbound vouches
+      // for SELF in the public payload; for any other peer we don't see
+      // who-vouches-for-them from this page.
+      if (fp === selfFp) return vouchesIn.map(v => v.voucher_fingerprint);
+      return [];
+    }
+
+    function renderWalk(n) {
+      if (!walkEl) return;
+      const isSelf = n.is_self;
+      const isTransitive = n.distance >= 2;
+      const stats = n.stats || {};
+
+      const targetDomain = n.domain || (isSelf ? settings.selfDomain : "");
+      const peerHref = targetDomain
+        ? `https://${targetDomain}/federation/explore`
+        : "";
+
+      const statsHtml = [];
+      if (isSelf) {
+        statsHtml.push(`<span><span class="k">peers</span> <span class="v">${node.peer_count || 0}</span></span>`);
+        statsHtml.push(`<span><span class="k">signals 24h</span> <span class="v">${node.signals_count_24h || 0}</span></span>`);
+        statsHtml.push(`<span><span class="k">corroborations</span> <span class="v">${node.corroboration_count_24h || 0}</span></span>`);
+        statsHtml.push(`<span><span class="k">translog</span> <span class="v">${node.translog_entry_count || 0} entries</span></span>`);
+      } else if (isTransitive) {
+        const parent = peerByFp[n.via];
+        const via = parent ? (parent.domain || shortFp(parent.fp)) : shortFp(n.via);
+        statsHtml.push(`<span><span class="k">distance</span> <span class="v">2 hops</span></span>`);
+        statsHtml.push(`<span><span class="k">learned via</span> <span class="v">${esc(via)}</span></span>`);
+        statsHtml.push(`<span><span class="k">stats</span> <span class="v">— (peer-side only)</span></span>`);
+      } else {
+        statsHtml.push(`<span><span class="k">status</span> <span class="v">trusted</span></span>`);
+        statsHtml.push(`<span><span class="k">signals 24h</span> <span class="v">${stats.signal_count_24h || 0}</span></span>`);
+        statsHtml.push(`<span><span class="k">cases / iocs 24h</span> <span class="v">${stats.cases_24h || 0} / ${stats.iocs_24h || 0}</span></span>`);
+        statsHtml.push(`<span><span class="k">quorum hits</span> <span class="v">${stats.quorum_contribution_24h || 0}</span></span>`);
+        statsHtml.push(`<span><span class="k">last seen</span> <span class="v">${esc(fmtAge(stats.last_seen))}</span></span>`);
+      }
+
+      const cta = peerHref
+        ? `<a class="fe-walk-cta" href="${esc(peerHref)}">View this peer's federation <span aria-hidden="true">→</span></a>`
+        : `<span class="fe-walk-cta fe-walk-cta-disabled" title="no public domain on file for this peer">no public address known</span>`;
+
+      walkEl.innerHTML = `
+        <div class="fe-walk-card">
+          <div class="fe-walk-card-body">
+            <h3 class="fe-walk-card-title">${esc(n.domain || n.label || shortFp(n.fp))}</h3>
+            <div class="fe-walk-card-fp">${esc(n.fp)}</div>
+            <div class="fe-walk-card-stats">${statsHtml.join("")}</div>
+          </div>
+          ${cta}
+        </div>`;
+    }
+
+    // ---------- inbound vouches list ------------------------------------
+    function renderVouchesIn() {
+      if (!vouchesInList) return;
+      if (vouchesInCountEl) vouchesInCountEl.textContent = String(vouchesIn.length);
+      if (!vouchesIn.length) {
+        vouchesInList.innerHTML = `<li class="fe-vouches-in-empty">no inbound vouches yet</li>`;
+        return;
+      }
+      const items = vouchesIn.map(v => {
+        const fp = v.voucher_fingerprint || "";
+        const peer = peerByFp[fp];
+        const label = peer ? (peer.domain || shortFp(fp)) : shortFp(fp);
+        const clickable = peer ? `data-jump="${esc(fp)}"` : `data-jump=""`;
+        return `<li>
+          <span class="fp">
+            <button type="button" class="fn-fp-jump" ${clickable}>${esc(label)}</button>
+            <code style="margin-left:8px;color:var(--muted);font-size:11px;">${esc(fp)}</code>
+          </span>
+          <span class="ts">${esc(v.issued_at || "")}</span>
+        </li>`;
+      }).join("");
+      vouchesInList.innerHTML = items;
+      vouchesInList.querySelectorAll(".fn-fp-jump").forEach(btn => {
+        btn.addEventListener("click", () => {
+          const fp = btn.getAttribute("data-jump") || "";
+          if (fp) jumpToFp(fp);
+        });
+      });
+    }
+    renderVouchesIn();
+
+    // ---------- copy buttons on the static page -------------------------
+    document.querySelectorAll(".fn-copy-btn").forEach(btn => {
+      btn.addEventListener("click", () => {
+        const v = btn.getAttribute("data-copy") || "";
+        if (!v) return;
+        if (navigator.clipboard && navigator.clipboard.writeText) {
+          navigator.clipboard.writeText(v).catch(() => {});
+        }
+        const t = btn.textContent;
+        btn.textContent = "copied";
+        setTimeout(() => { btn.textContent = t; }, 1100);
+      });
+    });
+
+    // ---------- idle animation ------------------------------------------
+    function loop() {
+      let moving = false;
+      for (const n of nodes) {
+        if (Math.abs(n.vx) > 0.04 || Math.abs(n.vy) > 0.04) { moving = true; break; }
+      }
+      if (moving || energyBudget > 0 || dragging) {
+        tick(); paint();
+        if (energyBudget > 0) energyBudget--;
+      }
+      requestAnimationFrame(loop);
+    }
+    loop();
+
+    // ---------- edge liveness + flow toggle -----------------------------
+    edges.forEach((e, i) => {
+      const ln = edgeEls[i].line;
+      if (e.kind === "signal") ln.classList.add("alive");
+      if (e.kind === "knows") ln.classList.add("dim");
+    });
+    const flowToggle = document.getElementById("fn-flow");
+    function applyFlowToggle() {
+      svg.classList.toggle("flow-off", !(flowToggle && flowToggle.checked));
+    }
+    applyFlowToggle();
+    if (flowToggle) flowToggle.addEventListener("change", applyFlowToggle);
+
+    // ---------- layout modes --------------------------------------------
+    function unfix() { for (const n of nodes) n.fixed = false; }
+    function clearVel() { for (const n of nodes) { n.vx = 0; n.vy = 0; } }
+
+    function applyForce() {
+      unfix();
+      for (const n of nodes) {
+        if (n.is_self) { n.x = W / 2; n.y = H / 2; n.fixed = true; continue; }
+        n.vx = (Math.random() - 0.5) * 5;
+        n.vy = (Math.random() - 0.5) * 5;
+      }
+      energyBudget = 300;
+    }
+
+    function applyHierarchical() {
+      const self = nodes.find(n => n.is_self);
+      const direct = nodes.filter(n => !n.is_self && n.distance === 1);
+      const transitive = nodes.filter(n => n.distance >= 2);
+      if (self) { self.x = W / 2; self.y = 70; self.fixed = true; }
+      direct.forEach((n, i) => {
+        n.x = W * (i + 1) / (direct.length + 1);
+        n.y = H * 0.42;
+        n.fixed = true;
+      });
+      const tCount = transitive.length || 1;
+      transitive.forEach((n, i) => {
+        n.x = W * (i + 1) / (tCount + 1);
+        n.y = H * 0.78;
+        n.fixed = true;
+      });
+      clearVel(); paint();
+    }
+
+    function applyRadial() {
+      const self = nodes.find(n => n.is_self);
+      const direct = nodes.filter(n => !n.is_self && n.distance === 1);
+      const transitive = nodes.filter(n => n.distance >= 2);
+      const R1 = Math.min(W, H) * 0.22;
+      const R2 = Math.min(W, H) * 0.40;
+      if (self) { self.x = W / 2; self.y = H / 2; self.fixed = true; }
+      const dCount = direct.length || 1;
+      direct.forEach((n, i) => {
+        const a = (i / dCount) * Math.PI * 2 - Math.PI / 2;
+        n.x = W / 2 + R1 * Math.cos(a);
+        n.y = H / 2 + R1 * Math.sin(a);
+        n.fixed = true;
+      });
+      const tCount = transitive.length || 1;
+      transitive.forEach((n, i) => {
+        const a = (i / tCount) * Math.PI * 2 - Math.PI / 2;
+        n.x = W / 2 + R2 * Math.cos(a);
+        n.y = H / 2 + R2 * Math.sin(a);
+        n.fixed = true;
+      });
+      clearVel(); paint();
+    }
+
+    const LAYOUTS = { force: applyForce, hier: applyHierarchical, radial: applyRadial };
+    let currentLayout = "force";
+    const selfNodeRef = nodes.find(n => n.is_self);
+    if (selfNodeRef) { selfNodeRef.x = W / 2; selfNodeRef.y = H / 2; selfNodeRef.fixed = true; }
+
+    document.querySelectorAll(".topo-layout").forEach(btn => {
+      btn.addEventListener("click", () => {
+        const mode = btn.dataset.layout;
+        if (!LAYOUTS[mode] || mode === currentLayout) return;
+        document.querySelectorAll(".topo-layout").forEach(b => b.classList.toggle("is-active", b === btn));
+        currentLayout = mode;
+        LAYOUTS[mode]();
+      });
+    });
+
+    const resetBtn = document.getElementById("fn-reset");
+    if (resetBtn) {
+      resetBtn.addEventListener("click", () => {
+        if (currentLayout === "force") {
+          for (const n of nodes) {
+            if (n.is_self) continue;
+            n.vx = (Math.random() - 0.5) * 6;
+            n.vy = (Math.random() - 0.5) * 6;
+          }
+          energyBudget = 200;
+        } else {
+          LAYOUTS[currentLayout]();
+        }
+      });
+    }
+
+    // ---------- wheel zoom + resize -------------------------------------
+    let zoom = 1, panX = 0, panY = 0;
+    svg.addEventListener("wheel", ev => {
+      ev.preventDefault();
+      const delta = ev.deltaY > 0 ? 1.1 : 0.9;
+      zoom = Math.max(0.3, Math.min(2.5, zoom * delta));
+      const vw = W / zoom, vh = H / zoom;
+      svg.setAttribute("viewBox", `${(W - vw) / 2 + panX} ${(H - vh) / 2 + panY} ${vw} ${vh}`);
+    }, { passive: false });
+    window.addEventListener("resize", () => {
+      const v = viewport();
+      W = v.W; H = v.H;
+      svg.setAttribute("viewBox", `0 0 ${W} ${H}`);
+      energyBudget = 60;
+    });
+
+    // ---------- focus-peer query param ----------------------------------
+    // ?peer=<domain> auto-selects that peer in the graph so deep links work.
+    if (settings.focusPeer) {
+      const target = nodes.find(n => n.domain && n.domain === settings.focusPeer);
+      if (target) selectNode(target);
+    }
+  }
+})();

src/psyc/cockpit/static/sw.js

@@ -5,7 +5,7 @@
 // This makes the cockpit installable as a PWA and survives flaky connections,
 // without serving stale operational data behind the operator's back.
 
-const CACHE_VERSION = "psyc-v3";
+const CACHE_VERSION = "psyc-v11";
 const STATIC_ASSETS = [
   "/static/cockpit.css",
   "/static/psyc-tokens.css",

src/psyc/cockpit/templates/admin.html

@@ -37,7 +37,7 @@
         <td class="lg-ts">{{ ((m.last_used or '')[:16] | replace('T', ' ')) or '—' }}</td>
         <td>
           <form method="post" action="/admin/members/{{ m.id }}/revoke" class="queue-action"
-                onsubmit="return confirm('Revoke {{ m.label }}? Their codes stop working immediately.');">
+                data-confirm-revoke="member" data-confirm-name="{{ m.label }}">
             <button type="submit" class="btn btn-reject">revoke</button>
           </form>
         </td>

src/psyc/cockpit/templates/admin_discovery.html

@@ -0,0 +1,72 @@
+{% extends "base.html" %}
+{% block title %}Discovery — psyc admin{% endblock %}
+{% block content %}
+
+<section class="panel">
+  <div class="panel-head">
+    <h1>Peer discovery</h1>
+    <span class="count">{{ candidates|length }} candidate{{ '' if candidates|length == 1 else 's' }}</span>
+  </div>
+  <p class="page-intro">Walk DNS-SD records from a seed domain you know runs psyc, then recurse through its public peer list. Newly-found peers land here with status <code>unknown</code> — vouching is what eventually promotes them. Once seeds exist, enabling the <code>peer-pull</code> pulse pipeline runs this on a cadence.</p>
+  <p class="back"><a href="/admin/federation">← back to federation</a></p>
+
+  {% if flash %}
+  <div class="verdict verdict-clean">{{ flash }}</div>
+  {% endif %}
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Seed domains</h2>
+    <span class="count">{{ seeds|length }} configured</span>
+  </div>
+  <p class="page-intro">One domain per line. Each seed is resolved via <code>_psyc._tcp.&lt;domain&gt;</code> SRV+TXT; its <code>/federation/peers/public</code> is fetched and recursed.</p>
+  <form method="post" action="/admin/federation/discovery/seeds" style="display:grid; gap:10px; max-width:680px;">
+    <textarea name="seeds" rows="6" class="lookup-input" style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px;" placeholder="peer1.example.com&#10;peer2.example.org">{{ seeds_text }}</textarea>
+    <div style="display:flex; gap:10px;">
+      <button type="submit" class="btn btn-enforce">save seeds</button>
+    </div>
+  </form>
+
+  <form method="post" action="/admin/federation/discovery/walk" style="margin-top:14px;">
+    <button type="submit" class="btn btn-approve" {% if not seeds %}disabled{% endif %}>walk now</button>
+  </form>
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Recent candidates</h2>
+    <span class="count">{{ candidates|length }} in registry</span>
+  </div>
+  <p class="page-intro">Every peer the walker has ever found, newest first. Trusted/blocked statuses are preserved across re-walks — discovery never demotes a peer the operator has classified.</p>
+
+  {% if candidates %}
+  <table class="ledger">
+    <thead><tr><th>Domain</th><th>Fingerprint</th><th>Status</th><th>Discovered</th><th>Last seen</th><th>Notes</th></tr></thead>
+    <tbody>
+    {% for p in candidates %}
+      <tr class="ledger-row">
+        <td><strong>{{ p.domain }}</strong></td>
+        <td class="lg-sub" style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace;">{{ p.fingerprint[:8] }}…{{ p.fingerprint[-8:] }}</td>
+        <td>
+          {% if p.status == 'trusted' %}
+            <span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">trusted</span>
+          {% elif p.status == 'blocked' %}
+            <span class="sev-badge" style="background:rgba(248,113,113,0.10); color:var(--red); border-color:var(--red);">blocked</span>
+          {% else %}
+            <span class="sev-badge">{{ p.status }}</span>
+          {% endif %}
+        </td>
+        <td class="lg-ts">{{ (p.discovered_at or '')[:16] | replace('T', ' ') }}</td>
+        <td class="lg-ts">{{ ((p.last_seen or '')[:16] | replace('T', ' ')) or '—' }}</td>
+        <td class="lg-sub">{{ (p.notes or '')[:60] }}</td>
+      </tr>
+    {% endfor %}
+    </tbody>
+  </table>
+  {% else %}
+  <p class="page-intro">(no candidates yet — add a seed above and walk)</p>
+  {% endif %}
+</section>
+
+{% endblock %}

src/psyc/cockpit/templates/admin_federation.html

@@ -8,7 +8,7 @@
     <span class="count">{{ peers|length }} peer{{ '' if peers|length == 1 else 's' }}</span>
   </div>
   <p class="page-intro">This node's Ed25519 identity. The fingerprint goes into a DNS TXT record so other psyc nodes can discover this one. The public key lets them verify any feed we publish — the private key never leaves this box.</p>
-  <p class="back"><a href="/admin">← back to admin</a></p>
+  <p class="back"><a href="/admin">← back to admin</a> &nbsp;·&nbsp; <a href="/admin/federation/discovery">discovery</a> &nbsp;·&nbsp; <a href="/admin/federation/vouches">vouches</a> &nbsp;·&nbsp; <a href="/admin/federation/quorum">quorum config</a> &nbsp;·&nbsp; <a href="/admin/federation/log">transparency log</a> &nbsp;·&nbsp; <a href="/admin/federation/network">network</a></p>
 
   <div class="card" style="margin-bottom:14px;">
     <div class="lg-sub">node fingerprint</div>
@@ -71,7 +71,7 @@
             <button type="submit" class="btn btn-reject" {% if p.status == 'blocked' %}disabled{% endif %}>block</button>
           </form>
           <form method="post" action="/admin/federation/peers/{{ p.domain }}/remove" class="queue-action"
-                onsubmit="return confirm('Remove {{ p.domain }}? Their signals will no longer count toward quorum.');">
+                data-confirm-revoke="peer" data-confirm-name="{{ p.domain }}">
             <button type="submit" class="btn">remove</button>
           </form>
         </td>

src/psyc/cockpit/templates/admin_federation_log.html

@@ -0,0 +1,63 @@
+{% extends "base.html" %}
+{% block title %}Transparency Log — psyc admin{% endblock %}
+{% block content %}
+
+<section class="panel">
+  <div class="panel-head">
+    <h1>Transparency Log</h1>
+    <span class="count">id @ {{ head_id }}</span>
+  </div>
+  <p class="page-intro">Every signal we accept from a peer is appended to a signed merkle chain. Each entry references the previous entry's hash, so tampering with any historical row invalidates every entry after. Auditors can re-walk and detect a bad peer historically — even one we trusted at the time.</p>
+  <p class="back"><a href="/admin/federation">← back to federation</a> &nbsp;·&nbsp; <a href="/admin/federation/vouches">vouches</a> &nbsp;·&nbsp; <a href="/admin/federation/quorum">quorum config</a> &nbsp;·&nbsp; <a href="/federation/log/verify">public verify endpoint</a></p>
+
+  <div class="card" style="margin-bottom:14px;">
+    <div class="lg-sub">chain verification</div>
+    {% if verify_status.ok %}
+      <div style="margin:6px 0;"><span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">verified</span> &nbsp; {{ verify_status.verified }} entries walked, no breaks</div>
+    {% else %}
+      <div style="margin:6px 0;"><span class="sev-badge" style="background:rgba(248,113,113,0.10); color:var(--red); border-color:var(--red);">BROKEN</span> &nbsp; {{ verify_status.reason }}</div>
+    {% endif %}
+    {% if head_hash %}
+      <div class="lg-sub" style="margin-top:8px;">head hash</div>
+      <div style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:13px; word-break:break-all; color:var(--accent);">{{ head_hash }}</div>
+    {% endif %}
+  </div>
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Recent Entries</h2>
+    <span class="count">{{ entries|length }} of last 200</span>
+  </div>
+  <p class="page-intro">Newest first. Hashes are truncated for display — full values are at <code>/federation/log</code>.</p>
+
+  {% if entries %}
+  <table class="ledger">
+    <thead><tr><th>id</th><th>When</th><th>Type</th><th>Peer / target</th><th>Signal id</th><th>Hash</th></tr></thead>
+    <tbody>
+    {% for e in entries %}
+      <tr class="ledger-row">
+        <td>{{ e.id }}</td>
+        <td class="lg-ts">{{ (e.timestamp or '')[:19] | replace('T', ' ') }}</td>
+        <td><span class="sev-badge">{{ e.entry_type }}</span></td>
+        <td class="lg-sub" style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:11.5px;">
+          {% if e.entry_type == 'signal' %}
+            {{ (e.entry_data.peer_fingerprint or '')[:8] }}…
+          {% elif e.entry_type == 'vouch' %}
+            {{ (e.entry_data.voucher_fingerprint or '')[:8] }}…→{{ (e.entry_data.target_fingerprint or '')[:8] }}…
+          {% else %}
+            —
+          {% endif %}
+        </td>
+        <td style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:11.5px;">{{ ((e.entry_data.signal_id or e.entry_data.target_fingerprint or '') | string)[:32] }}</td>
+        <td class="lg-sub" style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:11.5px;">{{ e.entry_hash[:16] }}…</td>
+      </tr>
+    {% endfor %}
+    </tbody>
+  </table>
+  {% else %}
+  <p class="page-intro">(chain empty — no signals appended yet)</p>
+  {% endif %}
+</section>
+
+{% endblock %}

src/psyc/cockpit/templates/admin_federation_network.html

@@ -0,0 +1,67 @@
+{% extends "base.html" %}
+{% block title %}Federation network — psyc admin{% endblock %}
+{% block body_class %}wide{% endblock %}
+{% block content %}
+<section class="panel">
+  <div class="panel-head">
+    <h1>Federation Network</h1>
+    <span class="count">{{ stats.total_peers }} direct · <span id="fn-transitive-count">…</span> transitive</span>
+  </div>
+  <p class="page-intro">Force-directed map of the federation this node sits inside. Self at the center, directly-registered peers at distance 1, peers-of-peers (fetched from each trusted peer's <code>/federation/network</code>) at distance 2. Edges: <em>vouches</em> (solid), <em>signals</em> (dashed, thickness ∝ 24h volume), <em>knows</em> (dotted grey).</p>
+  <p class="back"><a href="/admin/federation">← federation hub</a> &nbsp;·&nbsp; <a href="/admin/federation/discovery">discovery</a> &nbsp;·&nbsp; <a href="/admin/federation/vouches">vouches</a> &nbsp;·&nbsp; <a href="/admin/federation/quorum">quorum</a> &nbsp;·&nbsp; <a href="/admin/federation/log">log</a></p>
+
+  <div class="fn-stats">
+    <div class="fn-stat"><div class="fn-stat-label">direct peers</div><div class="fn-stat-value">{{ stats.total_peers }}</div></div>
+    <div class="fn-stat"><div class="fn-stat-label">vouched / trusted</div><div class="fn-stat-value">{{ stats.vouched_peers }}</div></div>
+    <div class="fn-stat"><div class="fn-stat-label">vouches issued</div><div class="fn-stat-value">{{ stats.vouches_issued }}</div></div>
+    <div class="fn-stat"><div class="fn-stat-label">signals (24h)</div><div class="fn-stat-value">{{ stats.signals_buffered_24h }}</div></div>
+    <div class="fn-stat"><div class="fn-stat-label">distinct hashes</div><div class="fn-stat-value">{{ stats.distinct_signal_hashes_24h }}</div></div>
+    <div class="fn-stat"><div class="fn-stat-label">quorum-met</div><div class="fn-stat-value">{{ stats.quorum_met_count }}</div></div>
+  </div>
+
+  <div class="fn-search-bar">
+    <label for="fn-search">filter</label>
+    <input type="search" id="fn-search" class="fn-search-input" placeholder="domain or fingerprint substring…" autocomplete="off" spellcheck="false">
+    <span id="fn-search-count" class="fn-search-count"></span>
+  </div>
+
+  <div class="topo-stage">
+    <div class="topo-toolbar">
+      <div class="topo-layouts" role="tablist">
+        <button type="button" class="topo-layout is-active" data-layout="force"   title="organic force-directed">Force</button>
+        <button type="button" class="topo-layout"           data-layout="hier"    title="self on top, direct peers in a row, transitives below">Hierarchical</button>
+        <button type="button" class="topo-layout"           data-layout="radial"  title="self at center, peers on a ring, transitives outside">Radial</button>
+      </div>
+      <label class="topo-toggle"><input type="checkbox" id="fn-flow" checked> signal flow</label>
+      <span class="topo-legend"><span class="lg-swatch fn-lg-self"></span>self</span>
+      <span class="topo-legend"><span class="lg-swatch fn-lg-trusted"></span>trusted</span>
+      <span class="topo-legend"><span class="lg-swatch fn-lg-vouched"></span>vouched</span>
+      <span class="topo-legend"><span class="lg-swatch fn-lg-unknown"></span>unknown</span>
+      <span class="topo-legend"><span class="lg-swatch fn-lg-blocked"></span>blocked</span>
+      <button type="button" id="fn-reset" class="btn">re-settle</button>
+      <span class="topo-hint">drag · scroll to zoom · hover for tooltip</span>
+    </div>
+    <svg id="federation-network-graph" preserveAspectRatio="xMidYMid meet"></svg>
+    <div id="fn-tooltip" class="fn-tooltip"></div>
+    <div id="fn-loading" class="page-intro" style="text-align:center; margin-top:10px;">loading federation network…</div>
+    <div id="fn-error" class="gate-error" style="display:none;"></div>
+  </div>
+
+  <div id="fn-detail" class="topo-detail">
+    <p class="topo-detail-empty">Click any node in the graph above to inspect it.</p>
+  </div>
+
+  <div class="fn-timeline-wrap">
+    <div class="fn-timeline-head">
+      <h3>signals · last 24h</h3>
+      <span class="meta" id="fn-timeline-meta">—</span>
+    </div>
+    <div id="fn-timeline" class="fn-timeline" aria-label="signals received per hour for the last 24 hours"></div>
+    <div id="fn-timeline-axis" class="fn-timeline-axis"></div>
+  </div>
+
+  <p class="page-intro" style="margin-top:18px;">Self fingerprint: <code style="color:var(--accent);">{{ fingerprint }}</code></p>
+</section>
+
+<script src="/static/federation_network.js" defer></script>
+{% endblock %}

src/psyc/cockpit/templates/admin_federation_quorum.html

@@ -0,0 +1,92 @@
+{% extends "base.html" %}
+{% block title %}Quorum Config — psyc admin{% endblock %}
+{% block content %}
+
+<section class="panel">
+  <div class="panel-head">
+    <h1>Quorum Configuration</h1>
+    <span class="count">trust={{ cfg.trust_min_vouchers }} k={{ cfg.signal_quorum_k }}</span>
+  </div>
+  <p class="page-intro"><strong>trust_min_vouchers</strong> — distinct trusted vouchers required to make a new peer listening-eligible. <strong>signal_quorum_k</strong> — distinct listening-eligible peers required to consider a signal_hash quorum-met. Both gates live in pulse_settings; raising them tightens trust, lowering them relaxes it.</p>
+  <p class="back"><a href="/admin/federation">← back to federation</a> &nbsp;·&nbsp; <a href="/admin/federation/vouches">vouches</a> &nbsp;·&nbsp; <a href="/admin/federation/log">transparency log</a></p>
+
+  <form method="post" action="/admin/federation/quorum/save" style="display:grid; gap:10px; max-width:520px;">
+    <label class="lg-sub">trust_min_vouchers</label>
+    <input type="number" name="trust_min_vouchers" value="{{ cfg.trust_min_vouchers }}" min="1" max="50" class="lookup-input" required>
+    <label class="lg-sub">signal_quorum_k</label>
+    <input type="number" name="signal_quorum_k" value="{{ cfg.signal_quorum_k }}" min="1" max="50" class="lookup-input" required>
+    <button type="submit" class="btn btn-enforce">save config</button>
+  </form>
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Per-Peer Listening Eligibility</h2>
+    <span class="count">{{ peer_rows|length }}</span>
+  </div>
+  <p class="page-intro">A peer's feed gets ingested only when its fingerprint is eligible (directly trusted or vouched into trust).</p>
+
+  {% if peer_rows %}
+  <table class="ledger">
+    <thead><tr><th>Domain</th><th>Fingerprint</th><th>Status</th><th>Vouched</th><th>Eligible</th></tr></thead>
+    <tbody>
+    {% for row in peer_rows %}
+      <tr class="ledger-row">
+        <td><strong>{{ row.peer.domain }}</strong></td>
+        <td class="lg-sub" style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace;">{{ row.peer.fingerprint[:8] }}…{{ row.peer.fingerprint[-8:] }}</td>
+        <td>
+          {% if row.peer.status == 'trusted' %}
+            <span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">trusted</span>
+          {% elif row.peer.status == 'blocked' %}
+            <span class="sev-badge" style="background:rgba(248,113,113,0.10); color:var(--red); border-color:var(--red);">blocked</span>
+          {% else %}
+            <span class="sev-badge">{{ row.peer.status }}</span>
+          {% endif %}
+        </td>
+        <td>{% if row.vouched %}<span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">yes</span>{% else %}<span class="sev-badge">no</span>{% endif %}</td>
+        <td>{% if row.eligible %}<span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">listening</span>{% else %}<span class="sev-badge" style="background:rgba(248,113,113,0.10); color:var(--red); border-color:var(--red);">muted</span>{% endif %}</td>
+      </tr>
+    {% endfor %}
+    </tbody>
+  </table>
+  {% else %}
+  <p class="page-intro">(no peers registered yet)</p>
+  {% endif %}
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Signal Hashes in Buffer</h2>
+    <span class="count">{{ hash_summary|length }} hashes</span>
+  </div>
+  <p class="page-intro">Distinct eligible-peer counts per signal hash. Quorum is met when count ≥ {{ cfg.signal_quorum_k }}.</p>
+
+  {% if hash_summary %}
+  <table class="ledger">
+    <thead><tr><th>Latest</th><th>Type</th><th>Signal id</th><th>Hash</th><th>Distinct peers</th><th>Eligible</th><th>Quorum</th></tr></thead>
+    <tbody>
+    {% for r in hash_summary %}
+      <tr class="ledger-row">
+        <td class="lg-ts">{{ (r.latest or '')[:19] | replace('T', ' ') }}</td>
+        <td><span class="sev-badge">{{ r.signal_type }}</span></td>
+        <td style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:11.5px;">{{ r.signal_id[:48] }}</td>
+        <td class="lg-sub" style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:11.5px;">{{ r.signal_hash[:16] }}…</td>
+        <td>{{ r.distinct_peers }}</td>
+        <td>{{ r.distinct_eligible }}</td>
+        <td>
+          {% if r.quorum_met %}
+            <span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">met</span>
+          {% else %}
+            <span class="sev-badge">below</span>
+          {% endif %}
+        </td>
+      </tr>
+    {% endfor %}
+    </tbody>
+  </table>
+  {% else %}
+  <p class="page-intro">(no signals in buffer yet)</p>
+  {% endif %}
+</section>
+
+{% endblock %}

src/psyc/cockpit/templates/admin_federation_vouches.html

@@ -0,0 +1,110 @@
+{% extends "base.html" %}
+{% block title %}Federation Vouches — psyc admin{% endblock %}
+{% block content %}
+
+<section class="panel">
+  <div class="panel-head">
+    <h1>Web of Trust</h1>
+    <span class="count">{{ our_vouches|length }} issued</span>
+  </div>
+  <p class="page-intro">A vouch is an Ed25519-signed assertion that we trust another node's fingerprint. Peers gossip our vouches with their feeds, so trust accumulates: once {{ cfg.trust_min_vouchers }} of our trusted peers vouches for a new fingerprint, it becomes <em>listening-eligible</em> — its signed feeds get ingested.</p>
+  <p class="back"><a href="/admin/federation">← back to federation</a> &nbsp;·&nbsp; <a href="/admin/federation/quorum">quorum config</a> &nbsp;·&nbsp; <a href="/admin/federation/log">transparency log</a></p>
+
+  <div class="card" style="margin-bottom:14px;">
+    <div class="lg-sub">our fingerprint</div>
+    <div style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:14px; word-break:break-all; color:var(--accent);">{{ fingerprint }}</div>
+  </div>
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Vouches We've Issued</h2>
+    <span class="count">{{ our_vouches|length }}</span>
+  </div>
+  <p class="page-intro">We've signed these — peers that fetch our feed will see them and may extend trust accordingly.</p>
+
+  {% if our_vouches %}
+  <table class="ledger">
+    <thead><tr><th>Target fingerprint</th><th>Issued</th><th>Expires</th><th></th></tr></thead>
+    <tbody>
+    {% for v in our_vouches %}
+      <tr class="ledger-row">
+        <td style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px;">{{ v.target_fingerprint }}</td>
+        <td class="lg-ts">{{ v.issued_at.isoformat()[:16] | replace('T', ' ') }}</td>
+        <td class="lg-ts">{{ v.expires_at.isoformat()[:16] | replace('T', ' ') if v.expires_at else '—' }}</td>
+        <td>
+          <form method="post" action="/admin/federation/vouches/revoke" class="queue-action"
+                onsubmit="return confirm('Revoke vouch for {{ v.target_fingerprint[:8] }}…?');">
+            <input type="hidden" name="target_fingerprint" value="{{ v.target_fingerprint }}">
+            <button type="submit" class="btn btn-reject">revoke</button>
+          </form>
+        </td>
+      </tr>
+    {% endfor %}
+    </tbody>
+  </table>
+  {% else %}
+  <p class="page-intro">(no vouches issued yet)</p>
+  {% endif %}
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Issue a Vouch</h2>
+  </div>
+  <p class="page-intro">Vouch for a peer's fingerprint. Trusted peers see this and may treat the target as listening-eligible.</p>
+  <form method="post" action="/admin/federation/vouches/issue" style="display:grid; gap:10px; max-width:680px;">
+    <input type="text" name="target_fingerprint" placeholder="target fingerprint (32 hex chars)" class="lookup-input" maxlength="64" required style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace;">
+    <input type="number" name="ttl_days" value="90" min="1" max="3650" class="lookup-input" placeholder="ttl days">
+    <button type="submit" class="btn btn-enforce">+ issue vouch</button>
+  </form>
+</section>
+
+<section class="panel">
+  <div class="panel-head">
+    <h2>Per-Peer Quorum Status</h2>
+    <span class="count">{{ peer_rows|length }} peers</span>
+  </div>
+  <p class="page-intro">Threshold: {{ cfg.trust_min_vouchers }} distinct trusted vouchers required to make a non-trusted peer listening-eligible.</p>
+
+  {% if peer_rows %}
+  <table class="ledger">
+    <thead><tr><th>Peer</th><th>Status</th><th>Vouches</th><th>Quorum met</th><th>Eligible</th></tr></thead>
+    <tbody>
+    {% for row in peer_rows %}
+      <tr class="ledger-row">
+        <td><strong>{{ row.peer.domain }}</strong><br><span class="lg-sub" style="font-family:ui-monospace,SFMono-Regular,Menlo,monospace;">{{ row.peer.fingerprint[:8] }}…{{ row.peer.fingerprint[-8:] }}</span></td>
+        <td>
+          {% if row.peer.status == 'trusted' %}
+            <span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">trusted</span>
+          {% elif row.peer.status == 'blocked' %}
+            <span class="sev-badge" style="background:rgba(248,113,113,0.10); color:var(--red); border-color:var(--red);">blocked</span>
+          {% else %}
+            <span class="sev-badge">{{ row.peer.status }}</span>
+          {% endif %}
+        </td>
+        <td>{{ row.vouches|length }}</td>
+        <td>
+          {% if row.vouched %}
+            <span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">yes</span>
+          {% else %}
+            <span class="sev-badge">no</span>
+          {% endif %}
+        </td>
+        <td>
+          {% if row.eligible %}
+            <span class="sev-badge" style="background:rgba(74,222,128,0.10); color:var(--green); border-color:var(--green);">listening</span>
+          {% else %}
+            <span class="sev-badge" style="background:rgba(248,113,113,0.10); color:var(--red); border-color:var(--red);">muted</span>
+          {% endif %}
+        </td>
+      </tr>
+    {% endfor %}
+    </tbody>
+  </table>
+  {% else %}
+  <p class="page-intro">(no peers registered yet)</p>
+  {% endif %}
+</section>
+
+{% endblock %}

src/psyc/cockpit/templates/admin_pulse.html

@@ -35,6 +35,86 @@
   {% endif %}
 </section>
 
+<section class="panel">
+  <div class="panel-head">
+    <h2>AUTO-RESPONSE STATE</h2>
+    <span class="count">{{ respond_auto_fired_24h }} auto-fired in last 24h</span>
+  </div>
+  <p class="page-intro">When the <code>respond</code> pipeline runs in <code>auto-execute</code>, every PROPOSED action that passes all three gates fires automatically. Below shows the live config + audit trail.</p>
+
+  <div style="display:flex; gap:14px; flex-wrap:wrap; margin:14px 0;">
+    {# Mode badge — traffic-light coloring. auto-execute is "armed" (red), auto-propose is amber, manual is green/safe. #}
+    {% if respond_mode == 'auto-execute' %}
+      <div style="padding:10px 14px; border-radius:6px; background:rgba(248,113,113,0.12); border:1px solid rgba(248,113,113,0.45); color:#fca5a5; font-weight:700; letter-spacing:0.04em;">
+        MODE: auto-execute (ARMED)
+      </div>
+    {% elif respond_mode == 'auto-propose' %}
+      <div style="padding:10px 14px; border-radius:6px; background:rgba(250,204,21,0.12); border:1px solid rgba(250,204,21,0.45); color:#fde047; font-weight:700; letter-spacing:0.04em;">
+        MODE: auto-propose (staging only)
+      </div>
+    {% else %}
+      <div style="padding:10px 14px; border-radius:6px; background:rgba(74,222,128,0.10); border:1px solid var(--green); color:var(--green); font-weight:700; letter-spacing:0.04em;">
+        MODE: manual (no proposals)
+      </div>
+    {% endif %}
+    <div style="padding:10px 14px; border-radius:6px; background:var(--panel-2); border:1px solid var(--border); color:var(--text);">
+      Threshold: <strong>{{ respond_threshold|upper }}+</strong>
+    </div>
+    <div style="padding:10px 14px; border-radius:6px; background:var(--panel-2); border:1px solid var(--border); color:var(--text);">
+      Quorum: <strong style="color: {{ 'var(--green)' if respond_require_quorum else 'var(--muted)' }};">{{ 'ON' if respond_require_quorum else 'OFF' }}</strong>
+    </div>
+    <div style="padding:10px 14px; border-radius:6px; background:var(--panel-2); border:1px solid var(--border); color:var(--text);">
+      Local-only: <strong style="color: {{ 'var(--green)' if respond_local_only else 'var(--muted)' }};">{{ 'ON' if respond_local_only else 'OFF' }}</strong>
+    </div>
+  </div>
+
+  <form method="post" action="/admin/pulse/respond-config" style="display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:14px;">
+    <label style="font-size:12px;">Min severity:
+      <select name="threshold" style="background:var(--panel-2); color:var(--text); border:1px solid var(--border); border-radius:4px; padding:4px 6px;">
+        {% for s in severity_choices %}
+        <option value="{{ s }}" {% if s == respond_threshold %}selected{% endif %}>{{ s }}</option>
+        {% endfor %}
+      </select>
+    </label>
+    <label style="display:inline-flex; align-items:center; gap:4px; font-size:12px;">
+      <input type="checkbox" name="require_quorum" value="1" {% if respond_require_quorum %}checked{% endif %}> require quorum
+    </label>
+    <label style="display:inline-flex; align-items:center; gap:4px; font-size:12px;">
+      <input type="checkbox" name="local_only" value="1" {% if respond_local_only %}checked{% endif %}> local-only
+    </label>
+    <button type="submit" class="btn">save gates</button>
+  </form>
+
+  {% if respond_audit_recent %}
+  <table class="ledger" style="margin-top:18px;">
+    <thead>
+      <tr>
+        <th style="width:18%;">timestamp</th>
+        <th style="width:12%;">decision</th>
+        <th style="width:18%;">case</th>
+        <th>detail</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for row in respond_audit_recent %}
+      <tr class="ledger-row">
+        <td class="lg-ts">{{ row.timestamp }}</td>
+        <td>
+          {% if row.action == 'auto-fire' %}<span style="color: var(--green);">✓ {{ row.action }}</span>
+          {% elif row.action == 'error' %}<span style="color: var(--red);">✗ {{ row.action }}</span>
+          {% else %}<span style="color: var(--muted);">⊘ {{ row.action }}</span>{% endif %}
+        </td>
+        <td class="lg-sub"><code>{{ row.case_id or '—' }}</code>{% if row.action_id %} · #{{ row.action_id }}{% endif %}</td>
+        <td class="lg-sub">{{ row.detail or '' }}</td>
+      </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+  {% else %}
+  <p class="lg-sub" style="margin-top:14px;">No auto-response decisions logged yet.</p>
+  {% endif %}
+</section>
+
 <section class="panel">
   <div class="panel-head">
     <h2>Pipelines</h2>

src/psyc/cockpit/templates/base.html

@@ -39,6 +39,21 @@
         btn.setAttribute("aria-expanded", "false");
       }));
     });
+    // data-driven confirms (used by /admin and /admin/federation revoke/remove
+    // buttons; replaces inline onsubmit which was XSS-vulnerable when the
+    // confirm prompt interpolated a member label or peer domain).
+    document.addEventListener("DOMContentLoaded", () => {
+      document.querySelectorAll("form[data-confirm-revoke]").forEach(form => {
+        form.addEventListener("submit", ev => {
+          const kind = form.getAttribute("data-confirm-revoke") || "item";
+          const name = form.getAttribute("data-confirm-name") || "";
+          const msg = kind === "peer"
+            ? `Remove ${name}? Their signals will no longer count toward quorum.`
+            : `Revoke ${name}? Their codes stop working immediately.`;
+          if (!confirm(msg)) ev.preventDefault();
+        });
+      });
+    });
   </script>
 </head>
 <body class="{% block body_class %}{% endblock %}">

src/psyc/cockpit/templates/case_detail.html

@@ -42,7 +42,7 @@
       <h2>Source</h2>
       <dl>
         <dt>Type</dt><dd>{{ case.source_type }}</dd>
-        <dt>Reference</dt><dd>{% if case.source_ref %}<a href="{{ case.source_ref }}" target="_blank" rel="noopener">{{ case.source_ref }}</a>{% else %}—{% endif %}</dd>
+        <dt>Reference</dt><dd>{% if case.source_ref %}{% if case.source_ref.startswith(('http://', 'https://')) %}<a href="{{ case.source_ref }}" target="_blank" rel="noopener">{{ case.source_ref }}</a>{% else %}<code>{{ case.source_ref }}</code>{% endif %}{% else %}—{% endif %}</dd>
         <dt>Observed</dt><dd class="muted">{{ case.observed_at.strftime('%Y-%m-%d %H:%M UTC') }}</dd>
         <dt>Ingested</dt><dd class="muted">{{ case.ingested_at.strftime('%Y-%m-%d %H:%M UTC') }}</dd>
       </dl>

src/psyc/cockpit/templates/federation_explore.html

@@ -0,0 +1,148 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
+  <meta name="theme-color" content="#0f1115">
+  <meta name="apple-mobile-web-app-title" content="psyc · federation explorer">
+  <title>Federation Explorer — psyc</title>
+  <link rel="icon" type="image/png" href="/static/psyc-logo.png">
+  <link rel="apple-touch-icon" href="/static/psyc-logo.png">
+  <link rel="manifest" href="/static/manifest.json">
+  <link rel="preconnect" href="https://fonts.googleapis.com">
+  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+  <link href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="/static/cockpit.css">
+  <link rel="stylesheet" href="/static/psyc-tokens.css">
+  <script defer src="https://analytics.neuronetz.ai/script.js" data-website-id="34c354e5-780e-4c42-a5ce-49b13ff3f088"></script>
+  <script>
+    if ("serviceWorker" in navigator) {
+      window.addEventListener("load", () => {
+        navigator.serviceWorker.register("/sw.js", { scope: "/" }).catch(() => {});
+      });
+    }
+  </script>
+</head>
+<body class="wide fe-page">
+  <header class="topbar fe-topbar">
+    <a class="brand" href="/federation/explore">
+      <img class="brand-icon" src="/static/psyc-logo.png" alt="psyc">
+      <span class="brand-sub">operations cockpit</span>
+    </a>
+    <span class="fe-badge" title="Public, no auth — this view is auditable by anyone">
+      <span class="fe-badge-dot"></span>PUBLIC · TRANSPARENT
+    </span>
+    <div class="family">
+      <img class="family-icon" src="/static/nn-sc-icon.png" alt="NN-sc — Security/Control" title="NN-sc · Security">
+    </div>
+  </header>
+
+  <main class="content">
+    <section class="panel fe-hero">
+      <div class="fe-hero-head">
+        <h1 class="fe-title">Federation Explorer</h1>
+        <p class="fe-sub" id="fe-node-domain">{{ domain or fingerprint }}</p>
+      </div>
+      <p class="fe-intro">
+        This is a <strong>public transparency view</strong> of the psyc federation this node sits inside.
+        Anyone on the internet can verify the trust network — who has vouched for whom,
+        which signals are corroborated, and that the transparency log hasn't been rewritten.
+        <strong>Click any peer in the graph to inspect it, then jump to that peer's own explorer.</strong>
+      </p>
+      <p class="fe-intro fe-intro-sub">
+        Self fingerprint:
+        <code class="fe-fp">{{ fingerprint }}</code>
+        <button type="button" class="fn-copy-btn" data-copy="{{ fingerprint }}">copy</button>
+      </p>
+    </section>
+
+    <section class="panel fe-kpi-panel">
+      <div class="fn-stats fe-kpis">
+        <div class="fn-stat"><div class="fn-stat-label">direct peers</div><div class="fn-stat-value" id="fe-kpi-peers">…</div></div>
+        <div class="fn-stat"><div class="fn-stat-label">vouches out</div><div class="fn-stat-value" id="fe-kpi-vouches-out">…</div></div>
+        <div class="fn-stat"><div class="fn-stat-label">vouches in</div><div class="fn-stat-value" id="fe-kpi-vouches-in">…</div></div>
+        <div class="fn-stat"><div class="fn-stat-label">signals (24h)</div><div class="fn-stat-value" id="fe-kpi-signals">…</div></div>
+        <div class="fn-stat"><div class="fn-stat-label">corroborations (24h)</div><div class="fn-stat-value" id="fe-kpi-corroboration">…</div></div>
+        <div class="fn-stat"><div class="fn-stat-label">translog entries</div><div class="fn-stat-value" id="fe-kpi-translog">…</div></div>
+        <div class="fn-stat fe-kpi-verify"><div class="fn-stat-label">log integrity</div><div class="fn-stat-value" id="fe-kpi-verify">…</div></div>
+      </div>
+      <div class="fe-verify-row">
+        <button type="button" id="fe-verify-btn" class="btn fe-verify-btn">Verify this log →</button>
+        <span id="fe-verify-result" class="fe-verify-result"></span>
+        <a class="fe-verify-link" href="/federation/log" target="_blank" rel="noopener">raw log JSON</a>
+        <a class="fe-verify-link" href="/federation/explore/data" target="_blank" rel="noopener">signed payload</a>
+      </div>
+    </section>
+
+    <section class="panel">
+      <div class="panel-head">
+        <h2>Trust network</h2>
+        <span class="count"><span id="fe-direct-count">…</span> direct · <span id="fe-transitive-count">…</span> transitive</span>
+      </div>
+      <p class="page-intro">
+        Self at the center, directly-trusted peers around it,
+        peers-of-peers (learned from each trusted peer's signed feed) on the outer ring.
+        Edges: <em>vouches</em> (solid), <em>signals</em> (dashed, thickness ∝ 24h volume),
+        <em>knows</em> (dotted grey), <em>corroborate</em> (faint pulse — two peers reporting the same signal).
+      </p>
+
+      <div class="topo-stage fe-stage">
+        <div class="topo-toolbar">
+          <div class="topo-layouts" role="tablist">
+            <button type="button" class="topo-layout is-active" data-layout="force"  title="organic force-directed">Force</button>
+            <button type="button" class="topo-layout"           data-layout="hier"   title="self on top, direct peers in a row, transitives below">Hierarchical</button>
+            <button type="button" class="topo-layout"           data-layout="radial" title="self at center, peers on a ring, transitives outside">Radial</button>
+          </div>
+          <label class="topo-toggle"><input type="checkbox" id="fn-flow" checked> signal flow</label>
+          <span class="topo-legend"><span class="lg-swatch fn-lg-self"></span>self</span>
+          <span class="topo-legend"><span class="lg-swatch fn-lg-trusted"></span>trusted</span>
+          <span class="topo-legend"><span class="lg-swatch fn-lg-unknown"></span>transitive</span>
+          <button type="button" id="fn-reset" class="btn">re-settle</button>
+          <span class="topo-hint">drag · scroll to zoom · click a peer to walk to its explorer</span>
+        </div>
+        <svg id="federation-network-graph" preserveAspectRatio="xMidYMid meet"></svg>
+        <div id="fn-tooltip" class="fn-tooltip"></div>
+        <div id="fn-loading" class="page-intro" style="text-align:center; margin-top:10px;">loading federation network…</div>
+        <div id="fn-error" class="gate-error" style="display:none;"></div>
+      </div>
+
+      <div id="fe-walk" class="fe-walk">
+        <p class="fe-walk-empty">Click any peer in the graph above to inspect it and walk to its federation view.</p>
+      </div>
+    </section>
+
+    <section class="panel fe-vouches-panel">
+      <div class="panel-head">
+        <h2>Who vouches for this node</h2>
+        <span class="count"><span id="fe-vouches-in-count">…</span> inbound</span>
+      </div>
+      <p class="page-intro">
+        Each entry is a signed vouch naming this node as target, issued by a peer we currently trust.
+        Click a fingerprint to highlight that peer in the graph above.
+      </p>
+      <ul id="fe-vouches-in-list" class="fe-vouches-in-list">
+        <li class="fe-vouches-in-empty">no inbound vouches yet</li>
+      </ul>
+    </section>
+  </main>
+
+  <footer class="footer fe-footer">
+    psyc · defensive CTI · transparent by design ·
+    powered by <a href="https://neuronetz.ai" target="_blank" rel="noopener">neuronetz.ai</a>
+  </footer>
+
+  <script>
+    // The walk-to-peer param ("?peer=domain") tells the JS to focus that peer
+    // in the graph as soon as the data lands.
+    // Use tojson so values are honest JS literals — does not depend on the
+    // subtle HTML-entity-vs-script-context parser rules. Empty values become
+    // null/"" cleanly. Reach the values via PSYC_EXPLORE.* in the script.
+    window.PSYC_EXPLORE = {
+      selfFingerprint: {{ fingerprint | tojson }},
+      selfDomain: {{ (domain or "") | tojson }},
+      focusPeer: {{ (peer or "") | tojson }}
+    };
+  </script>
+  <script src="/static/federation_explore.js" defer></script>
+</body>
+</html>

src/psyc/cockpit/templates/home.html

@@ -6,6 +6,7 @@
   <div class="hero-text">
     <h1 class="hero-title">Defensive CTI in motion</h1>
     <p class="hero-sub">What psyc has seen and done — at a glance.</p>
+    <p class="hero-meta"><a class="hero-explore" href="/federation/explore">Federation Explorer →</a> <span class="hero-explore-sub">public · auditable trust network</span></p>
   </div>
   <a class="hero-cta" href="/cases">All cases →</a>
 </section>

src/psyc/db.py

@@ -17,11 +17,13 @@ from sqlalchemy import (
     Table,
     Text,
     create_engine,
+    event,
     func,
     insert,
     select,
 )
 from sqlalchemy.dialects.sqlite import insert as sqlite_insert
+from sqlalchemy.pool import NullPool
 
 from psyc import DATA_DIR, log
 from psyc.models import Case
@@ -134,6 +136,19 @@ pulse_settings = Table(
     Column("value", String, nullable=False),
 )
 
+pulse_audit = Table(
+    "pulse_audit", _metadata,
+    Column("id", Integer, primary_key=True, autoincrement=True),
+    Column("pipeline", String, nullable=False),       # 'respond' | 'fetch' | ...
+    Column("action", String, nullable=False),         # 'auto-fire' | 'skipped' | 'error'
+    Column("action_id", Integer, nullable=True),      # response_actions.id when relevant
+    Column("case_id", String, nullable=True),
+    Column("detail", Text, nullable=True),
+    Column("timestamp", String, nullable=False),       # ISO
+)
+Index("pulse_audit_pipeline_idx", pulse_audit.c.pipeline, pulse_audit.c.timestamp.desc())
+Index("pulse_audit_action_id_idx", pulse_audit.c.action_id)
+
 peers = Table(
     "peers", _metadata,
     Column("domain", String, primary_key=True),
@@ -161,16 +176,66 @@ Index("federation_signals_hash_idx", federation_signals.c.signal_hash)
 Index("federation_signals_peer_idx", federation_signals.c.peer_fingerprint)
 Index("federation_signals_received_idx", federation_signals.c.received_at.desc())
 
+# Web-of-trust vouches — voucher signs an attestation that target is OK to listen to.
+# Quorum is reached when enough distinct trusted vouchers sign for the same target.
+vouches = Table(
+    "vouches", _metadata,
+    Column("id", Integer, primary_key=True, autoincrement=True),
+    Column("voucher_fingerprint", String, nullable=False),
+    Column("target_fingerprint", String, nullable=False),
+    Column("issued_at", String, nullable=False),
+    Column("expires_at", String, nullable=True),
+    Column("signature", Text, nullable=False),       # base64 ed25519 sig
+)
+Index("vouches_unique_idx", vouches.c.voucher_fingerprint, vouches.c.target_fingerprint, unique=True)
+Index("vouches_target_idx", vouches.c.target_fingerprint)
+
+# Transparency log — append-only signed hash chain over every signal we receive.
+# Each entry references the previous entry's hash; tampering with any row breaks
+# verify_chain on every subsequent row.
+translog = Table(
+    "translog", _metadata,
+    Column("id", Integer, primary_key=True, autoincrement=True),
+    Column("prev_hash", String, nullable=False),
+    Column("entry_type", String, nullable=False),    # signal | vouch | config
+    Column("entry_data", Text, nullable=False),      # canonical JSON of payload
+    Column("timestamp", String, nullable=False),
+    Column("entry_hash", String, nullable=False),
+)
+Index("translog_hash_idx", translog.c.entry_hash)
+Index("translog_time_idx", translog.c.timestamp.desc())
+
 
 _log = log.get(__name__)
 _engine: Optional[Engine] = None
 
 
 def engine(db_path: Path = DB_PATH) -> Engine:
+    """Lazy-init the SQLite engine.
+
+    Uses NullPool — SQLite doesn't benefit from connection pooling (it's a
+    file, opens are cheap) and the default QueuePool starved the classify +
+    federation + cockpit-request workers under real load. WAL journal mode
+    + a 30s busy timeout let readers and a writer share the file safely.
+    """
     global _engine
     if _engine is None:
         db_path.parent.mkdir(parents=True, exist_ok=True)
-        _engine = create_engine(f"sqlite:///{db_path}", future=True)
+        _engine = create_engine(
+            f"sqlite:///{db_path}",
+            future=True,
+            poolclass=NullPool,
+            connect_args={"check_same_thread": False, "timeout": 30},
+        )
+
+        @event.listens_for(_engine, "connect")
+        def _sqlite_pragmas(dbapi_conn, _connection_record):  # noqa: D401
+            cur = dbapi_conn.cursor()
+            cur.execute("PRAGMA journal_mode=WAL")
+            cur.execute("PRAGMA synchronous=NORMAL")
+            cur.execute("PRAGMA busy_timeout=30000")
+            cur.close()
+
     return _engine
 
 
@@ -313,6 +378,66 @@ def kill_switch_set(armed: bool, db_path: Path = DB_PATH) -> None:
         conn.execute(stmt)
 
 
+def pulse_setting_get(key: str, db_path: Path = DB_PATH) -> Optional[str]:
+    """Fetch one row from pulse_settings by key; returns None if absent."""
+    stmt = select(pulse_settings.c.value).where(pulse_settings.c.key == key)
+    with engine(db_path).connect() as conn:
+        row = conn.execute(stmt).fetchone()
+    return str(row.value) if row else None
+
+
+def pulse_setting_set(key: str, value: str, db_path: Path = DB_PATH) -> None:
+    """Upsert one (key, value) into pulse_settings."""
+    stmt = sqlite_insert(pulse_settings).values(key=key, value=value)
+    stmt = stmt.on_conflict_do_update(
+        index_elements=[pulse_settings.c.key],
+        set_=dict(value=stmt.excluded.value),
+    )
+    with engine(db_path).begin() as conn:
+        conn.execute(stmt)
+
+
+# ---------- pulse audit trail --------------------------------------------
+
+def pulse_audit_record(row: dict, db_path: Path = DB_PATH) -> int:
+    """Append one pulse_audit row. Returns its id.
+
+    `row` must include 'pipeline', 'action', 'timestamp'. action_id, case_id,
+    detail are optional. Caller controls timestamp so tests can pin it.
+    """
+    stmt = insert(pulse_audit).values(**row)
+    with engine(db_path).begin() as conn:
+        res = conn.execute(stmt)
+        return int(res.inserted_primary_key[0])
+
+
+def pulse_audit_recent(pipeline: str, limit: int = 25, db_path: Path = DB_PATH) -> List[dict]:
+    """Most-recent audit rows for one pipeline (newest first)."""
+    stmt = (
+        select(pulse_audit)
+        .where(pulse_audit.c.pipeline == pipeline)
+        .order_by(pulse_audit.c.timestamp.desc())
+        .limit(limit)
+    )
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+def pulse_audit_count_since(
+    pipeline: str, action: str, since_iso: str, db_path: Path = DB_PATH
+) -> int:
+    """Count audit rows for (pipeline, action) at or after `since_iso`."""
+    stmt = (
+        select(func.count())
+        .select_from(pulse_audit)
+        .where(pulse_audit.c.pipeline == pipeline)
+        .where(pulse_audit.c.action == action)
+        .where(pulse_audit.c.timestamp >= since_iso)
+    )
+    with engine(db_path).connect() as conn:
+        return int(conn.execute(stmt).scalar_one())
+
+
 # ---------- federation: peers + signal buffer ----------------------------
 
 def upsert_peer(row: dict, db_path: Path = DB_PATH) -> None:
@@ -369,3 +494,128 @@ def recent_signals(limit: int = 200, db_path: Path = DB_PATH) -> List[dict]:
     stmt = select(federation_signals).order_by(federation_signals.c.received_at.desc()).limit(limit)
     with engine(db_path).connect() as conn:
         return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+# ---------- federation: pulse_settings get/set (shared scratch kv) -------
+
+def setting_get(key: str, db_path: Path = DB_PATH) -> Optional[str]:
+    """Read one pulse_settings value by key. Returns None if absent."""
+    stmt = select(pulse_settings.c.value).where(pulse_settings.c.key == key)
+    with engine(db_path).connect() as conn:
+        row = conn.execute(stmt).fetchone()
+    return None if row is None else str(row.value)
+
+
+def setting_set(key: str, value: str, db_path: Path = DB_PATH) -> None:
+    """Upsert one pulse_settings entry."""
+    stmt = sqlite_insert(pulse_settings).values(key=key, value=value)
+    stmt = stmt.on_conflict_do_update(
+        index_elements=[pulse_settings.c.key],
+        set_=dict(value=stmt.excluded.value),
+    )
+    with engine(db_path).begin() as conn:
+        conn.execute(stmt)
+
+
+# ---------- federation: vouches ------------------------------------------
+
+def upsert_vouch(row: dict, db_path: Path = DB_PATH) -> None:
+    """Insert-or-update one vouch. Unique on (voucher_fp, target_fp)."""
+    stmt = sqlite_insert(vouches).values(**row)
+    update_cols = {k: stmt.excluded[k] for k in row if k not in ("voucher_fingerprint", "target_fingerprint")}
+    stmt = stmt.on_conflict_do_update(
+        index_elements=[vouches.c.voucher_fingerprint, vouches.c.target_fingerprint],
+        set_=update_cols,
+    )
+    with engine(db_path).begin() as conn:
+        conn.execute(stmt)
+
+
+def list_vouches(db_path: Path = DB_PATH) -> List[dict]:
+    stmt = select(vouches).order_by(vouches.c.issued_at.desc())
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+def vouches_by_target(target_fingerprint: str, db_path: Path = DB_PATH) -> List[dict]:
+    stmt = select(vouches).where(vouches.c.target_fingerprint == target_fingerprint)
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+def vouches_by_voucher(voucher_fingerprint: str, db_path: Path = DB_PATH) -> List[dict]:
+    stmt = select(vouches).where(vouches.c.voucher_fingerprint == voucher_fingerprint)
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+def delete_vouch(voucher_fingerprint: str, target_fingerprint: str, db_path: Path = DB_PATH) -> None:
+    stmt = vouches.delete().where(
+        (vouches.c.voucher_fingerprint == voucher_fingerprint)
+        & (vouches.c.target_fingerprint == target_fingerprint)
+    )
+    with engine(db_path).begin() as conn:
+        conn.execute(stmt)
+
+
+# ---------- transparency log ---------------------------------------------
+
+def translog_append(row: dict, db_path: Path = DB_PATH) -> int:
+    """Append one transparency-log entry. Returns inserted id."""
+    stmt = insert(translog).values(**row)
+    with engine(db_path).begin() as conn:
+        res = conn.execute(stmt)
+        return int(res.inserted_primary_key[0])
+
+
+def translog_head(db_path: Path = DB_PATH) -> Optional[dict]:
+    """Highest-id (latest) entry, or None if chain empty."""
+    stmt = select(translog).order_by(translog.c.id.desc()).limit(1)
+    with engine(db_path).connect() as conn:
+        row = conn.execute(stmt).fetchone()
+    return dict(row._mapping) if row else None
+
+
+def translog_get(entry_id: int, db_path: Path = DB_PATH) -> Optional[dict]:
+    stmt = select(translog).where(translog.c.id == entry_id)
+    with engine(db_path).connect() as conn:
+        row = conn.execute(stmt).fetchone()
+    return dict(row._mapping) if row else None
+
+
+def translog_after(entry_id: int, db_path: Path = DB_PATH) -> List[dict]:
+    """All entries with id > entry_id, oldest first — for sync."""
+    stmt = select(translog).where(translog.c.id > entry_id).order_by(translog.c.id.asc())
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+def translog_recent(limit: int = 100, db_path: Path = DB_PATH) -> List[dict]:
+    stmt = select(translog).order_by(translog.c.id.desc()).limit(limit)
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+def translog_range(start: int = 0, end: Optional[int] = None, db_path: Path = DB_PATH) -> List[dict]:
+    """All entries with start <= id (and id <= end if given), oldest first."""
+    cond = translog.c.id >= start
+    if end is not None:
+        cond = cond & (translog.c.id <= end)
+    stmt = select(translog).where(cond).order_by(translog.c.id.asc())
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]
+
+
+def signals_for_case(case_id: str, db_path: Path = DB_PATH) -> List[dict]:
+    """All federation signals attached to this case_id (signal_type='case').
+
+    Empty list means no peer has ever sent us this case → we generated it
+    ourselves and it counts as locally-sourced for auto-fire purposes.
+    """
+    stmt = (
+        select(federation_signals)
+        .where(federation_signals.c.signal_type == "case")
+        .where(federation_signals.c.signal_id == case_id)
+    )
+    with engine(db_path).connect() as conn:
+        return [dict(r._mapping) for r in conn.execute(stmt).fetchall()]

src/psyc/lines/discovery.py

@@ -0,0 +1,357 @@
+"""Discovery — DNS-SD resolver + BFS peer-walker for internet-wide federation.
+
+Federation identity (psyc.lines.federation) gives every node a stable Ed25519
+keypair, a 32-hex fingerprint, and a DNS record format. This module is the
+*finder*: given a seed domain you suspect runs psyc, walk its DNS-SD records
+to learn the fingerprint, fetch its public peer list, and recurse.
+
+Newly-discovered peers always enter the `peers` table with status="unknown" —
+they do NOT become trusted by being seen; vouching is a separate concern
+(sibling module). Discovery only populates the candidate set.
+"""
+
+from __future__ import annotations
+
+from datetime import datetime, timezone
+from typing import Any, Dict, List, Optional, Set, Tuple
+
+import dns.exception
+import dns.rdatatype
+import dns.resolver
+import httpx
+from pydantic import BaseModel, Field
+
+from psyc import db, log
+from psyc.lines import federation
+from psyc.result import Err, Ok, Result
+
+
+_log = log.get(__name__)
+
+DEFAULT_TIMEOUT = 5.0
+DEFAULT_PORT = 443
+DEFAULT_MAX_DEPTH = 2
+DEFAULT_MAX_PEERS = 200
+
+_VALID_STATUSES = {"unknown", "trusted", "blocked", "vouched"}
+
+
+# ---------- candidate model --------------------------------------------------
+
+class PeerCandidate(BaseModel):
+    """A peer found by the resolver/walker — not yet vetted, just observed."""
+    domain: str
+    fingerprint: str
+    port: int = DEFAULT_PORT
+    source: str  # "dns-sd" | "peer-walk:<source-domain>"
+    discovered_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
+
+
+# ---------- DNS-SD resolver --------------------------------------------------
+
+def _parse_txt_value(txt: str) -> Result[Dict[str, str], str]:
+    """Parse `v=psyc1 fp=<hex> alg=ed25519 path=...` → dict. Tolerant of order."""
+    out: Dict[str, str] = {}
+    for token in txt.strip().split():
+        if "=" not in token:
+            return Err(f"malformed TXT token (no '='): {token!r}")
+        k, v = token.split("=", 1)
+        out[k.strip()] = v.strip()
+    if out.get("v") != federation.FEED_VERSION:
+        return Err(f"unsupported version: {out.get('v')!r}")
+    fp = out.get("fp", "")
+    if len(fp) != 32 or any(c not in "0123456789abcdef" for c in fp.lower()):
+        return Err(f"bad fingerprint: {fp!r}")
+    if out.get("alg") and out["alg"] != federation.FEED_ALG:
+        return Err(f"unsupported alg: {out.get('alg')!r}")
+    return Ok(out)
+
+
+def _flatten_txt(rdata: Any) -> str:
+    """DNS TXT records are a sequence of byte-strings — join them. Tolerant of mocks."""
+    strings = getattr(rdata, "strings", None)
+    if strings is None:
+        return str(rdata).strip('"')
+    parts: List[str] = []
+    for s in strings:
+        if isinstance(s, bytes):
+            parts.append(s.decode("utf-8", errors="replace"))
+        else:
+            parts.append(str(s))
+    return "".join(parts)
+
+
+def resolve_psyc(domain: str, timeout: float = DEFAULT_TIMEOUT) -> Result[PeerCandidate, str]:
+    """Look up `_psyc._tcp.<domain>` SRV + TXT → return a candidate.
+
+    SRV gives target+port; TXT carries `v=psyc1 fp=... alg=ed25519 path=...`.
+    Any DNS failure, parse failure, or missing record returns Err.
+    """
+    name = f"_psyc._tcp.{domain}"
+    resolver = dns.resolver.Resolver()
+    resolver.lifetime = timeout
+    resolver.timeout = timeout
+
+    # SRV: target host + port.
+    port = DEFAULT_PORT
+    try:
+        srv_answers = resolver.resolve(name, "SRV")
+    except dns.resolver.NXDOMAIN:
+        return Err(f"no SRV record at {name} (NXDOMAIN)")
+    except dns.resolver.NoAnswer:
+        return Err(f"no SRV record at {name} (NoAnswer)")
+    except dns.exception.Timeout:
+        return Err(f"SRV lookup timed out for {name}")
+    except dns.exception.DNSException as exc:
+        return Err(f"SRV lookup failed for {name}: {exc}")
+    srv_list = list(srv_answers)
+    if not srv_list:
+        return Err(f"no SRV record at {name} (empty)")
+    try:
+        port = int(srv_list[0].port)
+    except Exception:
+        port = DEFAULT_PORT
+
+    # TXT: fingerprint + protocol metadata.
+    try:
+        txt_answers = resolver.resolve(name, "TXT")
+    except dns.resolver.NXDOMAIN:
+        return Err(f"no TXT record at {name} (NXDOMAIN)")
+    except dns.resolver.NoAnswer:
+        return Err(f"no TXT record at {name} (NoAnswer)")
+    except dns.exception.Timeout:
+        return Err(f"TXT lookup timed out for {name}")
+    except dns.exception.DNSException as exc:
+        return Err(f"TXT lookup failed for {name}: {exc}")
+    txt_list = list(txt_answers)
+    if not txt_list:
+        return Err(f"no TXT record at {name} (empty)")
+
+    last_err: Optional[str] = None
+    for rdata in txt_list:
+        value = _flatten_txt(rdata)
+        parsed = _parse_txt_value(value)
+        if isinstance(parsed, Ok):
+            return Ok(PeerCandidate(
+                domain=domain,
+                fingerprint=parsed.value["fp"].lower(),
+                port=port,
+                source="dns-sd",
+            ))
+        last_err = parsed.reason
+    return Err(f"no usable psyc TXT record at {name}: {last_err}")
+
+
+# ---------- HTTP probes ------------------------------------------------------
+
+def _base_url(domain: str, port: int) -> str:
+    if port == 443:
+        return f"https://{domain}"
+    return f"https://{domain}:{port}"
+
+
+def fetch_peer_info(domain: str, port: int = DEFAULT_PORT, timeout: float = DEFAULT_TIMEOUT,
+                    expected_fingerprint: Optional[str] = None) -> Result[Dict[str, Any], str]:
+    """GET /federation/info on a peer. Cross-checks fingerprint if provided.
+
+    The cross-check defends against MITM-injected TXT records — DNS said one
+    fingerprint, the live node's HTTPS-served info MUST agree.
+    """
+    url = _base_url(domain, port) + "/federation/info"
+    try:
+        with httpx.Client(timeout=timeout) as client:
+            r = client.get(url)
+            r.raise_for_status()
+            data = r.json()
+    except httpx.HTTPStatusError as exc:
+        return Err(f"HTTP {exc.response.status_code} from {url}")
+    except httpx.RequestError as exc:
+        return Err(f"network error fetching {url}: {exc}")
+    except ValueError as exc:
+        return Err(f"non-JSON response from {url}: {exc}")
+    except Exception as exc:  # noqa: BLE001 — anything weird is a failure
+        return Err(f"fetch failed for {url}: {exc}")
+    if not isinstance(data, dict):
+        return Err(f"unexpected info shape from {url}: {type(data).__name__}")
+    declared = str(data.get("fingerprint", "")).lower()
+    if expected_fingerprint and declared != expected_fingerprint.lower():
+        return Err(
+            f"fingerprint mismatch for {domain}: DNS said {expected_fingerprint!r} "
+            f"but /federation/info said {declared!r}"
+        )
+    return Ok(data)
+
+
+def fetch_public_peers(domain: str, port: int = DEFAULT_PORT,
+                       timeout: float = DEFAULT_TIMEOUT) -> Result[List[Dict[str, Any]], str]:
+    """GET /federation/peers/public on a peer. Returns the list as-is for the walker to dedupe."""
+    url = _base_url(domain, port) + "/federation/peers/public"
+    try:
+        with httpx.Client(timeout=timeout) as client:
+            r = client.get(url)
+            r.raise_for_status()
+            data = r.json()
+    except httpx.HTTPStatusError as exc:
+        return Err(f"HTTP {exc.response.status_code} from {url}")
+    except httpx.RequestError as exc:
+        return Err(f"network error fetching {url}: {exc}")
+    except ValueError as exc:
+        return Err(f"non-JSON response from {url}: {exc}")
+    except Exception as exc:  # noqa: BLE001
+        return Err(f"fetch failed for {url}: {exc}")
+    if not isinstance(data, list):
+        return Err(f"unexpected peers shape from {url}: {type(data).__name__}")
+    out: List[Dict[str, Any]] = []
+    for item in data:
+        if isinstance(item, dict) and item.get("domain") and item.get("fingerprint"):
+            out.append(item)
+    return Ok(out)
+
+
+# ---------- BFS walker -------------------------------------------------------
+
+def walk(seeds: List[str], max_depth: int = DEFAULT_MAX_DEPTH,
+         max_peers: int = DEFAULT_MAX_PEERS, timeout: float = DEFAULT_TIMEOUT) -> List[PeerCandidate]:
+    """Breadth-first walk from `seeds` → discovered candidates.
+
+    For each domain: DNS-SD resolve → fetch /info to verify fingerprint →
+    fetch /peers/public → enqueue its domains for the next layer. Dedupes on
+    (domain, fingerprint). Skips our own fingerprint to avoid loops. All
+    errors are logged but non-fatal — one bad peer doesn't abort the walk.
+    """
+    own_fp = ""
+    try:
+        own_fp = federation.node_fingerprint()
+    except Exception as exc:  # noqa: BLE001 — discovery should work even pre-keygen
+        _log.info("discovery.walk.no_own_fp", error=str(exc))
+
+    seen_pairs: Set[Tuple[str, str]] = set()
+    seen_domains: Set[str] = set()
+    out: List[PeerCandidate] = []
+
+    # Queue of (domain, depth, source). Seeds enter at depth 0.
+    frontier: List[Tuple[str, int, str]] = [(d.strip(), 0, "dns-sd") for d in seeds if d and d.strip()]
+    next_layer: List[Tuple[str, int, str]] = []
+
+    while frontier:
+        domain, depth, source = frontier.pop(0)
+        if domain in seen_domains:
+            if not frontier:
+                frontier, next_layer = next_layer, []
+            continue
+        seen_domains.add(domain)
+        if len(out) >= max_peers:
+            _log.info("discovery.walk.cap.peers", cap=max_peers)
+            break
+
+        resolved = resolve_psyc(domain, timeout=timeout)
+        if isinstance(resolved, Err):
+            _log.info("discovery.resolve.skip", domain=domain, reason=resolved.reason)
+            if not frontier:
+                frontier, next_layer = next_layer, []
+            continue
+        cand = resolved.value
+        cand.source = source if depth > 0 else "dns-sd"
+
+        if cand.fingerprint == own_fp:
+            _log.info("discovery.skip.self", domain=domain)
+            if not frontier:
+                frontier, next_layer = next_layer, []
+            continue
+
+        pair = (cand.domain, cand.fingerprint)
+        if pair in seen_pairs:
+            if not frontier:
+                frontier, next_layer = next_layer, []
+            continue
+        seen_pairs.add(pair)
+
+        # Verify the live endpoint's fingerprint matches DNS. If we can't reach
+        # it, still record the DNS-discovered candidate — vouching can vet it
+        # later, and we don't want one HTTP outage to abort the walk.
+        info_res = fetch_peer_info(domain, port=cand.port, timeout=timeout,
+                                   expected_fingerprint=cand.fingerprint)
+        if isinstance(info_res, Err):
+            _log.info("discovery.info.skip", domain=domain, reason=info_res.reason)
+            out.append(cand)
+            if not frontier:
+                frontier, next_layer = next_layer, []
+            continue
+        out.append(cand)
+
+        # Recurse: fetch this peer's public-peers list, enqueue domains.
+        if depth + 1 <= max_depth:
+            peers_res = fetch_public_peers(domain, port=cand.port, timeout=timeout)
+            if isinstance(peers_res, Err):
+                _log.info("discovery.peers.skip", domain=domain, reason=peers_res.reason)
+            else:
+                for item in peers_res.value:
+                    child_domain = str(item.get("domain", "")).strip()
+                    if not child_domain or child_domain in seen_domains:
+                        continue
+                    child_source = f"peer-walk:{domain}"
+                    next_layer.append((child_domain, depth + 1, child_source))
+
+        if not frontier:
+            frontier, next_layer = next_layer, []
+
+    _log.info("discovery.walk.done", seeds=len(seeds), discovered=len(out), max_depth=max_depth)
+    return out
+
+
+# ---------- persistence ------------------------------------------------------
+
+def record_candidate(c: PeerCandidate, default_status: str = "unknown") -> None:
+    """Upsert a discovered candidate into the peers table.
+
+    Preserves any existing trusted/blocked status — discovery NEVER demotes a
+    peer the operator has already classified. Only updates last_seen.
+    """
+    if default_status not in _VALID_STATUSES:
+        default_status = "unknown"
+    existing = db.get_peer(c.domain)
+    now = c.discovered_at.isoformat()
+    if existing:
+        status = existing.get("status") or default_status
+        if status not in ("trusted", "blocked"):
+            status = default_status
+        db.upsert_peer(dict(
+            domain=c.domain,
+            fingerprint=existing.get("fingerprint") or c.fingerprint,
+            pubkey_pem=existing.get("pubkey_pem") or "",
+            status=status,
+            discovered_at=existing.get("discovered_at") or now,
+            last_seen=now,
+            notes=existing.get("notes"),
+        ))
+        return
+    db.upsert_peer(dict(
+        domain=c.domain,
+        fingerprint=c.fingerprint,
+        pubkey_pem="",  # populated when we successfully fetch /federation/key during vouching
+        status=default_status,
+        discovered_at=now,
+        last_seen=now,
+        notes=f"discovered via {c.source}",
+    ))
+    _log.info("discovery.recorded", domain=c.domain, fp=c.fingerprint, source=c.source)
+
+
+# ---------- public attestation -----------------------------------------------
+
+def public_peer_attestation() -> List[Dict[str, Any]]:
+    """List of peers we'll publicly attest to. Only `trusted` — never leaks unknown/blocked.
+
+    This is the surface that other psyc nodes' walkers read from us. We never
+    expose unknown or blocked peers — those are internal classification state.
+    """
+    out: List[Dict[str, Any]] = []
+    for row in db.list_peers():
+        if row.get("status") != "trusted":
+            continue
+        out.append({
+            "domain": row["domain"],
+            "fingerprint": row["fingerprint"],
+            "first_seen": row.get("discovered_at"),
+        })
+    return out

src/psyc/lines/federation.py

@@ -16,14 +16,21 @@ import base64
 import hashlib
 import json
 import os
+import re
 from datetime import datetime, timedelta, timezone
 from typing import Any, Dict, List, Optional, Tuple
 
+# Hostname-with-optional-port pattern for peer domains. Reject anything else at
+# registration so a hostile domain string can't reach a render context where
+# it could break out of an HTML attr or JS string.
+_DOMAIN_RE = re.compile(r"^[A-Za-z0-9._\-]+(:\d{1,5})?$")
+
 from cryptography.hazmat.primitives import serialization
 from cryptography.hazmat.primitives.asymmetric import ed25519
 from pydantic import BaseModel, Field
 
 from psyc import DATA_DIR, db, log
+from psyc.lines import translog
 from psyc.result import Err, Ok, Result
 
 
@@ -259,6 +266,9 @@ def build_signed_feed(window_hours: int = 24) -> Dict[str, Any]:
         "window_hours": window_hours,
         "cases": _build_case_records(window_hours),
         "iocs": _build_ioc_records(window_hours),
+        # Vouches we've issued ride along with the feed so peers can learn
+        # who we trust and accumulate quorum on shared targets.
+        "vouches": [v.model_dump() for v in our_vouches()],
     }
     sig = sign_payload(canonical_json(payload))
     payload["signature"] = base64.b64encode(sig).decode("ascii")
@@ -306,10 +316,16 @@ def import_signed_feed(feed: Dict[str, Any], expected_pubkey_pem: str) -> Result
     except Exception as exc:
         return Err(f"bad pubkey: {exc}")
 
+    # Listening gate: only accept signals from peers we explicitly trust or
+    # that quorum of trusted peers vouches for. Unknown peers don't land here.
+    if not peer_is_listening_eligible(peer_fp):
+        return Err(f"peer not trusted: {peer_fp}")
+
     now = datetime.now(timezone.utc).isoformat()
     signal_ids: List[Tuple[str, str]] = []
     cases = feed.get("cases") or []
     iocs = feed.get("iocs") or []
+    feed_vouches = feed.get("vouches") or []
 
     for c in cases:
         case_id = c.get("case_id") or ""
@@ -323,6 +339,15 @@ def import_signed_feed(feed: Dict[str, Any], expected_pubkey_pem: str) -> Result
             raw_json=json.dumps(c, sort_keys=True),
         ))
         signal_ids.append(("case", digest))
+        try:
+            translog.append("signal", {
+                "peer_fingerprint": peer_fp,
+                "signal_type": "case",
+                "signal_id": case_id,
+                "signal_hash": digest,
+            })
+        except Exception as exc:  # transparency log is best-effort, never block ingest
+            _log.warning("federation.translog.append.fail", error=str(exc))
 
     for i in iocs:
         value = i.get("value") or ""
@@ -336,6 +361,36 @@ def import_signed_feed(feed: Dict[str, Any], expected_pubkey_pem: str) -> Result
             raw_json=json.dumps(i, sort_keys=True),
         ))
         signal_ids.append(("ioc", digest))
+        try:
+            translog.append("signal", {
+                "peer_fingerprint": peer_fp,
+                "signal_type": "ioc",
+                "signal_id": value,
+                "signal_hash": digest,
+            })
+        except Exception as exc:
+            _log.warning("federation.translog.append.fail", error=str(exc))
+
+    # Vouch propagation — peer asserts who they trust. We only accept vouches
+    # whose declared voucher fingerprint matches the peer we just authenticated
+    # (so a peer can't forge vouches "from" someone else through us).
+    for v_raw in feed_vouches:
+        if not isinstance(v_raw, dict):
+            continue
+        try:
+            vouch = Vouch.model_validate(v_raw)
+        except Exception as exc:
+            _log.warning("federation.vouch.malformed", error=str(exc))
+            continue
+        if vouch.voucher_fingerprint != peer_fp:
+            _log.warning(
+                "federation.vouch.voucher_mismatch",
+                claimed=vouch.voucher_fingerprint, actual=peer_fp,
+            )
+            continue
+        accepted = accept_vouch(vouch, expected_pubkey_pem)
+        if isinstance(accepted, Err):
+            _log.warning("federation.vouch.rejected", reason=accepted.reason)
 
     _log.info("federation.import.ok", peer=peer_fp, cases=len(cases), iocs=len(iocs))
     return Ok(ImportSummary(
@@ -371,7 +426,17 @@ def _row_to_peer(row: Dict[str, Any]) -> Peer:
 
 
 def register_peer(domain: str, fingerprint: str, pubkey_pem: str, status: str = "unknown") -> None:
-    """Insert or update a peer in the registry. Idempotent on `domain`."""
+    """Insert or update a peer in the registry. Idempotent on `domain`.
+
+    Rejects malformed domain strings — only hostname chars + optional :port.
+    Closes a stored-XSS hole where a hostile `domain` would have been rendered
+    into the admin federation page's confirm() prompt.
+    """
+    domain = (domain or "").strip()
+    if not _DOMAIN_RE.match(domain):
+        raise ValueError(f"invalid domain: {domain!r}")
+    if fingerprint and not re.fullmatch(r"[0-9a-fA-F]{32}", fingerprint):
+        raise ValueError(f"invalid fingerprint: {fingerprint!r}")
     now = datetime.now(timezone.utc).isoformat()
     existing = db.get_peer(domain)
     discovered_at = existing["discovered_at"] if existing else now
@@ -403,3 +468,279 @@ def set_peer_status(domain: str, status: str) -> None:
 
 def remove_peer(domain: str) -> None:
     db.remove_peer(domain)
+
+
+# ---------- vouching + quorum (stage 4) ---------------------------------
+#
+# The web of trust: a peer's fingerprint becomes "listening-eligible" when
+# either we directly trust it (peers.status == "trusted") or at least
+# `trust_min_vouchers` of our trusted peers have signed a vouch for it.
+#
+# Signal-level quorum: a federation_signals row is meaningful only when
+# `signal_quorum_k` distinct vouched peers have reported the same signal_hash.
+#
+# Vouches are short Pydantic records signed with the voucher's Ed25519 key
+# over canonical JSON of the body (everything but the signature field).
+
+
+class Vouch(BaseModel):
+    voucher_fingerprint: str
+    target_fingerprint: str
+    issued_at: datetime
+    expires_at: Optional[datetime] = None
+    signature: str = ""  # base64 ed25519 sig over vouch_payload_bytes(...)
+
+
+class QuorumConfig(BaseModel):
+    trust_min_vouchers: int = 2
+    signal_quorum_k: int = 2
+
+
+_QC_TRUST_KEY = "wot_trust_min"
+_QC_K_KEY = "wot_quorum_k"
+
+
+def quorum_config() -> QuorumConfig:
+    """Live quorum settings, with sensible defaults if pulse_settings is empty."""
+    cfg = QuorumConfig()
+    t = db.setting_get(_QC_TRUST_KEY)
+    k = db.setting_get(_QC_K_KEY)
+    if t is not None:
+        try:
+            cfg.trust_min_vouchers = max(1, int(t))
+        except ValueError:
+            pass
+    if k is not None:
+        try:
+            cfg.signal_quorum_k = max(1, int(k))
+        except ValueError:
+            pass
+    return cfg
+
+
+def set_quorum_config(cfg: QuorumConfig) -> None:
+    """Persist quorum config into pulse_settings."""
+    db.setting_set(_QC_TRUST_KEY, str(cfg.trust_min_vouchers))
+    db.setting_set(_QC_K_KEY, str(cfg.signal_quorum_k))
+
+
+def vouch_payload_bytes(
+    voucher_fp: str,
+    target_fp: str,
+    issued_at: datetime,
+    expires_at: Optional[datetime],
+) -> bytes:
+    """Canonical JSON of the unsigned vouch body — what the voucher signs."""
+    body: Dict[str, Any] = {
+        "voucher_fingerprint": voucher_fp,
+        "target_fingerprint": target_fp,
+        "issued_at": issued_at.isoformat(),
+        "expires_at": expires_at.isoformat() if expires_at else None,
+    }
+    return canonical_json(body)
+
+
+def _store_vouch(v: Vouch) -> None:
+    db.upsert_vouch(dict(
+        voucher_fingerprint=v.voucher_fingerprint,
+        target_fingerprint=v.target_fingerprint,
+        issued_at=v.issued_at.isoformat(),
+        expires_at=v.expires_at.isoformat() if v.expires_at else None,
+        signature=v.signature,
+    ))
+
+
+def _row_to_vouch(row: Dict[str, Any]) -> Vouch:
+    return Vouch(
+        voucher_fingerprint=row["voucher_fingerprint"],
+        target_fingerprint=row["target_fingerprint"],
+        issued_at=datetime.fromisoformat(row["issued_at"]),
+        expires_at=datetime.fromisoformat(row["expires_at"]) if row.get("expires_at") else None,
+        signature=row.get("signature") or "",
+    )
+
+
+def issue_vouch(target_fingerprint: str, ttl_days: int = 90) -> Vouch:
+    """Sign a vouch for `target_fingerprint` with OUR key. Persists + returns it."""
+    our_fp = node_fingerprint()
+    issued_at = datetime.now(timezone.utc)
+    expires_at = issued_at + timedelta(days=ttl_days) if ttl_days > 0 else None
+    payload = vouch_payload_bytes(our_fp, target_fingerprint, issued_at, expires_at)
+    sig = sign_payload(payload)
+    vouch = Vouch(
+        voucher_fingerprint=our_fp,
+        target_fingerprint=target_fingerprint,
+        issued_at=issued_at,
+        expires_at=expires_at,
+        signature=base64.b64encode(sig).decode("ascii"),
+    )
+    _store_vouch(vouch)
+    try:
+        translog.append("vouch", {
+            "voucher_fingerprint": vouch.voucher_fingerprint,
+            "target_fingerprint": vouch.target_fingerprint,
+            "issued_at": vouch.issued_at.isoformat(),
+            "expires_at": vouch.expires_at.isoformat() if vouch.expires_at else None,
+        })
+    except Exception as exc:
+        _log.warning("federation.translog.append.fail", error=str(exc))
+    _log.info("federation.vouch.issued", target=target_fingerprint, ttl_days=ttl_days)
+    return vouch
+
+
+def accept_vouch(vouch: Vouch, voucher_pubkey_pem: str) -> Result[None, str]:
+    """Verify signature + expiry + voucher trust status, then persist.
+
+    Failure modes return Err with a short reason so the caller can log them.
+    A voucher whose status is not "trusted" in our peers table is refused —
+    we don't accept transitive vouches from unknown peers.
+    """
+    # Expiry first — cheapest check.
+    now = datetime.now(timezone.utc)
+    if vouch.expires_at is not None and vouch.expires_at < now:
+        return Err("vouch expired")
+
+    # Voucher must be a directly-trusted peer (no transitive trust at this layer).
+    voucher_status = None
+    for row in db.list_peers():
+        if row.get("fingerprint") == vouch.voucher_fingerprint:
+            voucher_status = row.get("status")
+            break
+    if voucher_status != "trusted":
+        return Err(f"voucher not trusted: {vouch.voucher_fingerprint}")
+
+    # The pubkey must match the declared voucher fingerprint.
+    try:
+        if _fingerprint_for_pubkey_pem(voucher_pubkey_pem) != vouch.voucher_fingerprint:
+            return Err("voucher pubkey does not match fingerprint")
+    except Exception as exc:
+        return Err(f"bad voucher pubkey: {exc}")
+
+    payload = vouch_payload_bytes(
+        vouch.voucher_fingerprint,
+        vouch.target_fingerprint,
+        vouch.issued_at,
+        vouch.expires_at,
+    )
+    try:
+        signature = base64.b64decode(vouch.signature)
+    except Exception:
+        return Err("vouch signature not base64")
+    if not verify_payload(payload, signature, voucher_pubkey_pem):
+        return Err("vouch signature invalid")
+
+    _store_vouch(vouch)
+    try:
+        translog.append("vouch", {
+            "voucher_fingerprint": vouch.voucher_fingerprint,
+            "target_fingerprint": vouch.target_fingerprint,
+            "issued_at": vouch.issued_at.isoformat(),
+            "expires_at": vouch.expires_at.isoformat() if vouch.expires_at else None,
+            "accepted": True,
+        })
+    except Exception as exc:
+        _log.warning("federation.translog.append.fail", error=str(exc))
+    _log.info("federation.vouch.accepted", voucher=vouch.voucher_fingerprint, target=vouch.target_fingerprint)
+    return Ok(None)
+
+
+def revoke_vouch(target_fingerprint: str) -> None:
+    """Delete OUR vouch naming `target_fingerprint`. No-op if absent."""
+    db.delete_vouch(node_fingerprint(), target_fingerprint)
+    _log.info("federation.vouch.revoked", target=target_fingerprint)
+
+
+def our_vouches() -> List[Vouch]:
+    """Vouches we have issued (filter for voucher_fingerprint == our fp)."""
+    return [_row_to_vouch(r) for r in db.vouches_by_voucher(node_fingerprint())]
+
+
+def vouches_for(target_fingerprint: str) -> List[Vouch]:
+    """Every vouch stored locally that names `target_fingerprint` as target."""
+    return [_row_to_vouch(r) for r in db.vouches_by_target(target_fingerprint)]
+
+
+def is_vouched(target_fingerprint: str, min_vouchers: Optional[int] = None) -> bool:
+    """True iff ≥`min_vouchers` distinct non-expired vouches from currently-trusted
+    peers name `target_fingerprint`.
+    """
+    cfg = quorum_config()
+    threshold = min_vouchers if min_vouchers is not None else cfg.trust_min_vouchers
+    if threshold <= 0:
+        return True
+    now = datetime.now(timezone.utc)
+    trusted_fps = {p.fingerprint for p in list_peers() if p.status == "trusted"}
+    distinct_vouchers: set = set()
+    for v in vouches_for(target_fingerprint):
+        if v.expires_at is not None and v.expires_at < now:
+            continue
+        if v.voucher_fingerprint not in trusted_fps:
+            continue
+        distinct_vouchers.add(v.voucher_fingerprint)
+        if len(distinct_vouchers) >= threshold:
+            return True
+    return False
+
+
+def peer_is_listening_eligible(fingerprint: str) -> bool:
+    """True iff the peer is directly trusted OR vouched into trust.
+
+    This is the gate used by `import_signed_feed`. Auto-response will share
+    this signature — keep it stable.
+    """
+    if not fingerprint:
+        return False
+    for p in list_peers():
+        if p.fingerprint == fingerprint:
+            if p.status == "trusted":
+                return True
+            if p.status == "blocked":
+                return False
+            break
+    return is_vouched(fingerprint)
+
+
+def is_quorum_met(signal_hash: str, k: Optional[int] = None) -> bool:
+    """True iff ≥k distinct vouched peers have reported `signal_hash`.
+
+    "Vouched" here means `peer_is_listening_eligible` — the same web-of-trust
+    set the import gate respects. Self-reports from the local node do not
+    count (they never end up in federation_signals).
+    """
+    cfg = quorum_config()
+    threshold = k if k is not None else cfg.signal_quorum_k
+    if threshold <= 0:
+        return True
+    rows = db.signals_for_hash(signal_hash)
+    distinct: set = set()
+    for r in rows:
+        fp = r.get("peer_fingerprint") or ""
+        if not fp or fp in distinct:
+            continue
+        if not peer_is_listening_eligible(fp):
+            continue
+        distinct.add(fp)
+        if len(distinct) >= threshold:
+            return True
+    return False
+
+
+def quorum_evidence(signal_hash: str) -> List[Tuple[str, datetime]]:
+    """(peer_fingerprint, received_at) tuples for one signal_hash — for UI display.
+
+    Only includes signals from currently listening-eligible peers, deduped
+    per fingerprint at the earliest receipt.
+    """
+    rows = db.signals_for_hash(signal_hash)
+    earliest: Dict[str, datetime] = {}
+    for r in rows:
+        fp = r.get("peer_fingerprint") or ""
+        if not fp or not peer_is_listening_eligible(fp):
+            continue
+        try:
+            ts = datetime.fromisoformat(r.get("received_at") or "")
+        except ValueError:
+            continue
+        if fp not in earliest or ts < earliest[fp]:
+            earliest[fp] = ts
+    return sorted(earliest.items(), key=lambda kv: kv[1])

src/psyc/lines/pulse.py

@@ -22,6 +22,7 @@ from typing import Callable, Dict, List, Optional, Tuple
 from pydantic import BaseModel, Field
 
 from psyc import db, log
+from psyc.models import Severity
 
 
 _log = log.get(__name__)
@@ -33,6 +34,73 @@ class PulseMode(str, Enum):
     AUTO_EXECUTE = "auto-execute"
 
 
+# ---------- respond auto-fire gates -----------------------------------------
+# Persisted as rows in pulse_settings (key/value pairs). All defaults are
+# "safe" — quorum required, HIGH threshold, federation cases permitted only
+# when quorum-met.
+
+_KEY_RESPOND_THRESHOLD = "respond_auto_threshold"
+_KEY_RESPOND_REQUIRE_QUORUM = "respond_require_quorum"
+_KEY_RESPOND_LOCAL_ONLY = "respond_local_only"
+
+_DEFAULT_THRESHOLD = Severity.HIGH
+_DEFAULT_REQUIRE_QUORUM = True
+_DEFAULT_LOCAL_ONLY = False
+
+
+def _severity_rank(sev: Optional[Severity]) -> int:
+    """Rank order for severity threshold comparison. Unknown / None → -1."""
+    if sev is None:
+        return -1
+    return {
+        Severity.LOW: 0,
+        Severity.MEDIUM: 1,
+        Severity.HIGH: 2,
+        Severity.CRITICAL: 3,
+    }.get(sev, -1)
+
+
+def respond_auto_threshold() -> Severity:
+    raw = db.pulse_setting_get(_KEY_RESPOND_THRESHOLD)
+    if raw is None:
+        return _DEFAULT_THRESHOLD
+    try:
+        return Severity(raw)
+    except ValueError:
+        return _DEFAULT_THRESHOLD
+
+
+def set_respond_auto_threshold(sev: Severity) -> None:
+    if not isinstance(sev, Severity):
+        raise ValueError(f"not a Severity: {sev!r}")
+    db.pulse_setting_set(_KEY_RESPOND_THRESHOLD, sev.value)
+    _log.info("pulse.respond.threshold.changed", severity=sev.value)
+
+
+def respond_require_quorum() -> bool:
+    raw = db.pulse_setting_get(_KEY_RESPOND_REQUIRE_QUORUM)
+    if raw is None:
+        return _DEFAULT_REQUIRE_QUORUM
+    return raw == "1"
+
+
+def set_respond_require_quorum(state: bool) -> None:
+    db.pulse_setting_set(_KEY_RESPOND_REQUIRE_QUORUM, "1" if state else "0")
+    _log.info("pulse.respond.quorum.changed", required=bool(state))
+
+
+def respond_local_only() -> bool:
+    raw = db.pulse_setting_get(_KEY_RESPOND_LOCAL_ONLY)
+    if raw is None:
+        return _DEFAULT_LOCAL_ONLY
+    return raw == "1"
+
+
+def set_respond_local_only(state: bool) -> None:
+    db.pulse_setting_set(_KEY_RESPOND_LOCAL_ONLY, "1" if state else "0")
+    _log.info("pulse.respond.local-only.changed", local_only=bool(state))
+
+
 class Pipeline(BaseModel):
     name: str
     title: str
@@ -114,28 +182,262 @@ def _run_reindex() -> str:
     return f"indexed {written} IOC(s) from {len(cases)} case(s)"
 
 
-def _run_respond_propose() -> str:
+def _propose_for_recent_cases() -> int:
     """Propose response actions for high-severity cases that don't yet have any.
 
-    Strictly proposal-only: nothing is dispatched. The respond.propose_for_case
-    helper is already idempotent per case (skips cases that already have
-    actions), so re-running this on a tick is safe.
+    Returns total proposed-action count. Idempotent per case (respond's
+    propose_for_case skips cases that already have actions).
     """
     from psyc.lines import respond
 
     cases = db.list_cases(limit=10_000)
     proposed = 0
-    touched = 0
     for c in cases:
         ids = respond.propose_for_case(c)
-        if ids:
-            proposed += len(ids)
-            touched += 1
-    return f"proposed {proposed} action(s) for {touched} case(s)"
+        proposed += len(ids)
+    return proposed
+
+
+def _current_mode(pipeline_name: str) -> PulseMode:
+    p = _get_pipeline(pipeline_name)
+    return p.mode if p is not None else PulseMode.MANUAL
+
+
+def _is_quorum_met(case_digest_hash: str) -> bool:
+    """Wrapper for federation.is_quorum_met that tolerates the sibling agent
+    not having shipped the function yet.
+
+    If federation lacks `is_quorum_met`, we fall back to False — the safe
+    default ("no quorum signal → don't fire federation cases").
+    """
+    try:
+        from psyc.lines import federation as _federation
+        fn = getattr(_federation, "is_quorum_met", None)
+        if fn is None:
+            return False
+        return bool(fn(case_digest_hash))
+    except Exception as exc:  # noqa: BLE001 — defensive: any import / runtime miss → safe-false
+        _log.warning("pulse.respond.quorum.unavailable", error=str(exc))
+        return False
+
+
+def _canonical_json_local(obj: Dict[str, object]) -> bytes:
+    """Deterministic JSON serialization — mirrors federation.canonical_json
+    for the case-digest computation. Local copy so we don't hard-require
+    federation to be importable.
+    """
+    import json
+    return json.dumps(obj, sort_keys=True, separators=(",", ":"), ensure_ascii=False).encode("utf-8")
+
+
+def _case_digest_hash(case_id: str) -> str:
+    """SHA-256 of the canonical JSON of {case_id: ...} — what federation hashes.
+
+    Returns "" if the case can't be loaded (e.g. row vanished mid-fire).
+    """
+    import hashlib
+    from psyc.result import Ok as _Ok
+    got = db.get_case(case_id)
+    if not isinstance(got, _Ok):
+        return ""
+    case = got.value
+    # Mirror federation._build_case_records' record shape so digests match.
+    record = {
+        "case_id": case.case_id,
+        "summary": case.summary,
+        "severity": case.classification.severity.value if case.classification.severity else None,
+        "incident_type": case.classification.incident_type.value if case.classification.incident_type else None,
+        "observed_at": case.observed_at.isoformat(),
+        "feed_source": case.source_metadata.get("feed", ""),
+        "iocs": (
+            [{"value": v, "type": "url"} for v in case.observables.urls]
+            + [{"value": v, "type": "domain"} for v in case.observables.domains]
+            + [{"value": v, "type": "ip"} for v in case.observables.ips]
+            + [{"value": v, "type": "hash"} for v in case.observables.hashes]
+            + [{"value": v, "type": "cve"} for v in case.observables.cves]
+        ),
+    }
+    return hashlib.sha256(_canonical_json_local(record)).hexdigest()
+
+
+def _case_is_local(case_id: str) -> bool:
+    """True if no federation peer has ever pushed us this case_id."""
+    return len(db.signals_for_case(case_id)) == 0
+
+
+def _audit(action: str, *, action_id: Optional[int] = None,
+           case_id: Optional[str] = None, detail: str = "") -> None:
+    db.pulse_audit_record(dict(
+        pipeline="respond",
+        action=action,
+        action_id=action_id,
+        case_id=case_id,
+        detail=detail[:500],
+        timestamp=_now().isoformat(),
+    ))
+
+
+def _auto_fire_eligible() -> Tuple[int, int]:
+    """Iterate PROPOSED actions and execute the ones that clear every gate.
+
+    Returns (fired_count, skipped_count). Records a pulse_audit row for every
+    decision (fired or skipped-with-reason) so the cockpit can show history.
+    A single failing action never aborts the batch.
+    """
+    from psyc.lines import respond
+    from psyc.models import ActionStatus
+    from psyc.result import Ok as _Ok
+
+    threshold = respond_auto_threshold()
+    threshold_rank = _severity_rank(threshold)
+    require_quorum = respond_require_quorum()
+    local_only = respond_local_only()
+
+    fired = 0
+    skipped = 0
+
+    actions = respond.list_actions(status=ActionStatus.PROPOSED, limit=100)
+    for action in actions:
+        # Re-hydrate severity enum (action.severity is the .value string).
+        try:
+            sev_enum = Severity(action.severity) if action.severity else None
+        except ValueError:
+            sev_enum = None
+
+        if _severity_rank(sev_enum) < threshold_rank:
+            skipped += 1
+            _audit(
+                "skipped",
+                action_id=action.id,
+                case_id=action.case_id,
+                detail=f"below threshold: severity={action.severity!r} < {threshold.value}",
+            )
+            continue
+
+        is_local = _case_is_local(action.case_id)
+        if require_quorum and not is_local:
+            digest = _case_digest_hash(action.case_id)
+            if not digest or not _is_quorum_met(digest):
+                if local_only:
+                    # local-only is armed but this case was imported via federation
+                    # → defer (don't fire) until federation grants quorum
+                    skipped += 1
+                    _audit(
+                        "skipped",
+                        action_id=action.id,
+                        case_id=action.case_id,
+                        detail="local-only armed + federation-sourced case",
+                    )
+                    continue
+                skipped += 1
+                _audit(
+                    "skipped",
+                    action_id=action.id,
+                    case_id=action.case_id,
+                    detail="no quorum on federation-sourced case",
+                )
+                continue
+        # else: quorum disabled, or case is locally-generated → fire.
+
+        try:
+            result = respond.execute_action(action.id, approver="pulse-auto")
+        except Exception as exc:  # noqa: BLE001 — one bad action shouldn't kill the batch
+            skipped += 1
+            _audit(
+                "error",
+                action_id=action.id,
+                case_id=action.case_id,
+                detail=f"execute raised: {type(exc).__name__}: {exc}",
+            )
+            _log.warning("pulse.respond.auto-fire.error",
+                         action_id=action.id, error=str(exc))
+            continue
+
+        if isinstance(result, _Ok):
+            fired += 1
+            _log.info("pulse.respond.auto-fire",
+                      action_id=action.id, case_id=action.case_id,
+                      type=action.action_type.value, target=action.target)
+            _audit(
+                "auto-fire",
+                action_id=action.id,
+                case_id=action.case_id,
+                detail=f"{action.action_type.value} → {action.target}",
+            )
+        else:
+            # Err path — execute_action returned Err (e.g. SOAR sink down)
+            reason = getattr(result, "reason", "unknown")
+            skipped += 1
+            _audit(
+                "error",
+                action_id=action.id,
+                case_id=action.case_id,
+                detail=f"execute failed: {reason}",
+            )
+            _log.warning("pulse.respond.auto-fire.failed",
+                         action_id=action.id, reason=str(reason))
+
+    return fired, skipped
+
+
+def _run_respond() -> str:
+    """Propose + (when mode is auto-execute) auto-fire eligible PROPOSED actions.
+
+    Two phases:
+      1. Always propose new actions for high-severity cases (existing behavior).
+      2. If pipeline mode is auto-execute, iterate PROPOSED actions and execute
+         those that clear severity/quorum/local-only gates.
+    """
+    propose_count = _propose_for_recent_cases()
+    mode = _current_mode("respond")
+    if mode != PulseMode.AUTO_EXECUTE:
+        return f"proposed {propose_count} actions; mode={mode.value} → no auto-fire"
+    fired, skipped = _auto_fire_eligible()
+    return f"proposed {propose_count}; auto-fired {fired}; skipped {skipped} (gate)"
+
+
+_DISCOVERY_SEEDS_KEY = "discovery_seeds"
+
+
+def get_discovery_seeds() -> List[str]:
+    """Operator-curated seed list for the discovery walker. Newline-separated in DB."""
+    raw = db.pulse_setting_get(_DISCOVERY_SEEDS_KEY)
+    if not raw:
+        return []
+    return [line.strip() for line in raw.splitlines() if line.strip()]
+
+
+def set_discovery_seeds(seeds: List[str]) -> None:
+    """Replace the seed list. Strips blanks + dedupes preserving order."""
+    seen: set = set()
+    cleaned: List[str] = []
+    for s in seeds:
+        v = (s or "").strip()
+        if not v or v in seen:
+            continue
+        seen.add(v)
+        cleaned.append(v)
+    db.pulse_setting_set(_DISCOVERY_SEEDS_KEY, "\n".join(cleaned))
 
 
 def _run_peer_pull() -> str:
-    return "federation not yet active"
+    """Walk DNS-SD + recurse over peer-public lists from the operator's seeds.
+
+    Records every fresh candidate into the `peers` table with status=unknown.
+    Vouching (sibling stage) is what eventually promotes them.
+    """
+    from psyc.lines import discovery
+
+    seeds = get_discovery_seeds()
+    if not seeds:
+        return "no seeds configured"
+    candidates = discovery.walk(seeds)
+    for c in candidates:
+        try:
+            discovery.record_candidate(c)
+        except Exception as exc:  # noqa: BLE001 — one bad write must not abort the batch
+            _log.warning("pulse.peer_pull.record.error", domain=c.domain, error=str(exc))
+    return f"discovered {len(candidates)} candidate(s) from {len(seeds)} seed(s)"
 
 
 def _run_vouch_refresh() -> str:
@@ -149,7 +451,7 @@ _REGISTRY: Dict[str, Callable[[], str]] = {
     "classify": _run_classify,
     "prove": _run_prove,
     "reindex": _run_reindex,
-    "respond": _run_respond_propose,
+    "respond": _run_respond,
     "peer-pull": _run_peer_pull,
     "vouch-refresh": _run_vouch_refresh,
 }

src/psyc/lines/topology_export.py

@@ -0,0 +1,228 @@
+"""Topology export — sanitized public docker snapshot.
+
+The cockpit's `docker_view.topology()` returns a rich daemon view useful to
+the local operator: container env vars, volume mounts, internal IPs, labels,
+gateways. None of that may leave the node. This module wraps `docker_view`
+with a strict whitelist: only container names, images, states, network names
+and high-level driver/health metadata are exposed. Anything not listed in
+the Pydantic schemas below is dropped before serialization.
+
+Used by `/federation/topology` so peer admin pages can render every node's
+container topology side-by-side with their own.
+"""
+
+from __future__ import annotations
+
+import re
+from datetime import datetime, timezone
+from typing import Any, Dict, List, Optional
+
+from pydantic import BaseModel, Field
+
+from psyc import log
+from psyc.cockpit import docker_view
+from psyc.lines import federation
+
+
+_log = log.get(__name__)
+
+
+# Caps keep the response bounded — a runaway node with thousands of
+# containers shouldn't blow up the peer's panel.
+MAX_CONTAINERS = 200
+MAX_NETWORKS = 50
+
+
+# ---------- data model --------------------------------------------------
+
+class TopologyContainer(BaseModel):
+    """One container — sanitized.
+
+    Strict whitelist: name, short_id, image (tag-only), state, health,
+    network names, compose service label, started_at. No env vars, no
+    volumes, no IPs, no MACs, no port mappings, no full labels dict.
+    """
+    name: str
+    short_id: str
+    image: str
+    state: str
+    health: str
+    networks: List[str] = Field(default_factory=list)
+    service: Optional[str] = None
+    started_at: Optional[str] = None
+
+
+class TopologyNetwork(BaseModel):
+    """One docker network — sanitized.
+
+    Whitelist: name, driver, internal flag, container_count. No subnet,
+    no gateway, no labels, no attached-container details (those are
+    surfaced via the container.networks list).
+    """
+    name: str
+    driver: str
+    internal: bool
+    container_count: int
+
+
+class TopologyExport(BaseModel):
+    """Whole-node container snapshot, public-safe."""
+    node_fingerprint: str
+    generated_at: str
+    host_name: str
+    container_count: int
+    network_count: int
+    containers: List[TopologyContainer] = Field(default_factory=list)
+    networks: List[TopologyNetwork] = Field(default_factory=list)
+
+
+# ---------- sanitizers --------------------------------------------------
+
+_BASIC_AUTH_RE = re.compile(r"^[^/@]+@")
+
+
+def _filter_image_name(s: str) -> str:
+    """Strip credentials from an image reference and drop digests.
+
+    Docker accepts `user:pass@registry/image:tag` for registries with HTTP
+    basic auth — we strip everything up to and including the `@` so leaked
+    creds never reach a peer. We also cut content-addressable digests
+    (`...@sha256:...`) to a clean tag-only form.
+
+    Returns the cleaned `repo/image:tag` string. Empty input → "".
+    """
+    if not s:
+        return ""
+    raw = str(s).strip()
+    if not raw:
+        return ""
+    # Drop digest suffix, e.g. "nginx:1.25@sha256:abcd…" → "nginx:1.25".
+    if "@sha256:" in raw:
+        raw = raw.split("@sha256:", 1)[0]
+    # Strip basic-auth prefix on the registry component.
+    # "user:pass@host/repo:tag" → "host/repo:tag" (we never want creds out).
+    if _BASIC_AUTH_RE.match(raw):
+        raw = raw.split("@", 1)[1]
+    # Cap length defensively.
+    return raw[:160]
+
+
+def _short_id(raw: Any) -> str:
+    s = str(raw or "")
+    return s[:12]
+
+
+def _parse_health(status: str) -> str:
+    """Extract a healthcheck word from the docker "Status" line if present.
+
+    docker's container-list "Status" string includes "(healthy)" or
+    "(unhealthy)" when a healthcheck is configured. We surface just that
+    one-word state and fall back to "—" otherwise — no other free-form
+    text from the daemon leaks out.
+    """
+    if not status:
+        return "—"
+    low = status.lower()
+    if "(healthy)" in low:
+        return "healthy"
+    if "(unhealthy)" in low:
+        return "unhealthy"
+    if "(starting)" in low or "(health: starting)" in low:
+        return "starting"
+    return "—"
+
+
+def _now_iso() -> str:
+    return datetime.now(timezone.utc).isoformat()
+
+
+def _empty_export(node_fp: str) -> TopologyExport:
+    return TopologyExport(
+        node_fingerprint=node_fp,
+        generated_at=_now_iso(),
+        host_name="",
+        container_count=0,
+        network_count=0,
+        containers=[],
+        networks=[],
+    )
+
+
+# ---------- builder ------------------------------------------------------
+
+def build_export() -> TopologyExport:
+    """Sanitized snapshot of this node's docker topology.
+
+    Calls `docker_view.topology()` and re-projects every field through the
+    Pydantic whitelist above. If the proxy is unreachable (e.g. dev box
+    without docker-socket-proxy) we return an empty export rather than
+    raising — the public endpoint must never 500.
+    """
+    try:
+        node_fp = federation.node_fingerprint()
+    except Exception as exc:  # noqa: BLE001 — keep endpoint defensive
+        _log.warning("topology_export.fp.error", error=str(exc))
+        node_fp = ""
+
+    try:
+        raw = docker_view.topology()
+    except Exception as exc:  # noqa: BLE001 — docker proxy may be down
+        _log.warning("topology_export.docker.error", error=str(exc))
+        return _empty_export(node_fp)
+
+    # docker_view.topology() returns a dict with `containers`, `networks`,
+    # `host`, `error` fields. We treat any non-None error as "empty export"
+    # rather than partially leaking through whatever did succeed.
+    if raw.get("error"):
+        return _empty_export(node_fp)
+
+    raw_host = raw.get("host") or {}
+    host_name_raw = str(raw_host.get("name") or "")
+    # Truncate the docker host id — it can be the actual machine hostname.
+    # Keep it short, no domain. Defensive even though docker host names are
+    # generally low-sensitivity.
+    host_name = host_name_raw[:24]
+
+    raw_containers = raw.get("containers") or []
+    raw_networks = raw.get("networks") or []
+
+    containers: List[TopologyContainer] = []
+    for c in raw_containers[:MAX_CONTAINERS]:
+        nets_raw = c.get("networks") or []
+        net_names: List[str] = []
+        for nd in nets_raw:
+            nm = nd.get("name") if isinstance(nd, dict) else None
+            if nm:
+                net_names.append(str(nm)[:64])
+        containers.append(TopologyContainer(
+            name=str(c.get("name") or "?")[:64],
+            short_id=_short_id(c.get("id")),
+            image=_filter_image_name(c.get("image") or ""),
+            state=str(c.get("state") or "")[:24],
+            health=_parse_health(str(c.get("status") or "")),
+            networks=net_names[:12],
+            # docker_view doesn't currently surface the compose service label
+            # or started_at; leave them None until that lands.
+            service=None,
+            started_at=None,
+        ))
+
+    networks: List[TopologyNetwork] = []
+    for n in raw_networks[:MAX_NETWORKS]:
+        attached = n.get("containers") or []
+        networks.append(TopologyNetwork(
+            name=str(n.get("name") or "")[:64],
+            driver=str(n.get("driver") or "")[:24],
+            internal=bool(n.get("internal")),
+            container_count=len(attached),
+        ))
+
+    return TopologyExport(
+        node_fingerprint=node_fp,
+        generated_at=_now_iso(),
+        host_name=host_name,
+        container_count=len(containers),
+        network_count=len(networks),
+        containers=containers,
+        networks=networks,
+    )

src/psyc/lines/translog.py

@@ -0,0 +1,161 @@
+"""Transparency log — append-only signed merkle chain over federation signals.
+
+Every signal we receive from a peer (case, IOC, or accepted vouch) is appended
+as one `LogEntry`. Each entry's `entry_hash = sha256(canonical(prev_hash +
+entry_type + entry_data + timestamp))` references the previous head, so any
+tampering with a historical row invalidates every subsequent hash. The chain
+is public — auditors can re-fetch it and re-run `verify_chain` to detect a
+node that quietly mutated history (e.g. to hide a bad signal it accepted).
+
+Hash format: lowercase hex SHA-256 of the canonical JSON of
+``{"prev_hash": "...", "entry_type": "...", "entry_data": {...}, "timestamp": "..."}``.
+Genesis entries use ``prev_hash = "0" * 64``.
+"""
+
+from __future__ import annotations
+
+import hashlib
+import json
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Any, Dict, List, Optional
+
+from pydantic import BaseModel, Field
+
+from psyc import db, log
+from psyc.result import Err, Ok, Result
+
+
+_log = log.get(__name__)
+
+GENESIS_PREV_HASH = "0" * 64
+
+
+class LogEntry(BaseModel):
+    id: int
+    prev_hash: str
+    entry_type: str
+    entry_data: Dict[str, Any] = Field(default_factory=dict)
+    timestamp: str
+    entry_hash: str
+
+
+def _canonical_json(obj: Dict[str, Any]) -> bytes:
+    return json.dumps(obj, sort_keys=True, separators=(",", ":"), ensure_ascii=False).encode("utf-8")
+
+
+def compute_entry_hash(prev_hash: str, entry_type: str, entry_data: Dict[str, Any], timestamp: str) -> str:
+    """Hex SHA-256 of canonical(prev_hash + entry_type + entry_data + timestamp)."""
+    payload: Dict[str, Any] = {
+        "prev_hash": prev_hash,
+        "entry_type": entry_type,
+        "entry_data": entry_data,
+        "timestamp": timestamp,
+    }
+    return hashlib.sha256(_canonical_json(payload)).hexdigest()
+
+
+def _row_to_entry(row: Dict[str, Any]) -> LogEntry:
+    raw = row.get("entry_data") or "{}"
+    try:
+        data = json.loads(raw)
+    except Exception:
+        data = {}
+    return LogEntry(
+        id=int(row["id"]),
+        prev_hash=str(row["prev_hash"]),
+        entry_type=str(row["entry_type"]),
+        entry_data=data if isinstance(data, dict) else {},
+        timestamp=str(row["timestamp"]),
+        entry_hash=str(row["entry_hash"]),
+    )
+
+
+def head(db_path: Path = db.DB_PATH) -> Optional[LogEntry]:
+    """Latest log entry, or None if the chain is empty."""
+    row = db.translog_head(db_path=db_path)
+    return _row_to_entry(row) if row else None
+
+
+def append(entry_type: str, entry_data: Dict[str, Any], db_path: Path = db.DB_PATH) -> LogEntry:
+    """Atomically append one entry to the chain. Returns the persisted entry."""
+    prev = db.translog_head(db_path=db_path)
+    prev_hash = str(prev["entry_hash"]) if prev else GENESIS_PREV_HASH
+    timestamp = datetime.now(timezone.utc).isoformat()
+    entry_hash = compute_entry_hash(prev_hash, entry_type, entry_data, timestamp)
+    new_id = db.translog_append(
+        dict(
+            prev_hash=prev_hash,
+            entry_type=entry_type,
+            entry_data=json.dumps(entry_data, sort_keys=True),
+            timestamp=timestamp,
+            entry_hash=entry_hash,
+        ),
+        db_path=db_path,
+    )
+    _log.info("translog.append", id=new_id, entry_type=entry_type, hash=entry_hash[:12])
+    return LogEntry(
+        id=new_id,
+        prev_hash=prev_hash,
+        entry_type=entry_type,
+        entry_data=entry_data,
+        timestamp=timestamp,
+        entry_hash=entry_hash,
+    )
+
+
+def verify_chain(start: int = 0, end: Optional[int] = None, db_path: Path = db.DB_PATH) -> Result[int, str]:
+    """Walk entries [start, end] in id order, recompute each hash, compare.
+
+    Returns Ok(n_verified) when every entry's recomputed hash equals the
+    stored one and each prev_hash matches the previous entry's stored hash.
+    Returns Err with the offending id + expected/got hashes otherwise.
+    """
+    rows = db.translog_range(start=start, end=end, db_path=db_path)
+    if not rows:
+        return Ok(0)
+    # Establish the prior hash anchor — either genesis (if walking from id=1)
+    # or the entry just before `start`.
+    first_id = int(rows[0]["id"])
+    if first_id <= 1:
+        prior_hash = GENESIS_PREV_HASH
+    else:
+        anchor = db.translog_get(first_id - 1, db_path=db_path)
+        if anchor is None:
+            return Err(f"missing anchor entry id={first_id - 1}")
+        prior_hash = str(anchor["entry_hash"])
+
+    verified = 0
+    for row in rows:
+        stored_prev = str(row["prev_hash"])
+        if stored_prev != prior_hash:
+            return Err(
+                f"broken at id={row['id']} expected_prev={prior_hash} got_prev={stored_prev}"
+            )
+        try:
+            data = json.loads(row.get("entry_data") or "{}")
+        except Exception:
+            return Err(f"broken at id={row['id']} entry_data not JSON")
+        if not isinstance(data, dict):
+            return Err(f"broken at id={row['id']} entry_data not an object")
+        recomputed = compute_entry_hash(
+            stored_prev, str(row["entry_type"]), data, str(row["timestamp"])
+        )
+        stored_hash = str(row["entry_hash"])
+        if recomputed != stored_hash:
+            return Err(
+                f"broken at id={row['id']} expected={recomputed} got={stored_hash}"
+            )
+        prior_hash = stored_hash
+        verified += 1
+    return Ok(verified)
+
+
+def recent(limit: int = 100, db_path: Path = db.DB_PATH) -> List[LogEntry]:
+    """The latest `limit` entries, newest first."""
+    return [_row_to_entry(r) for r in db.translog_recent(limit=limit, db_path=db_path)]
+
+
+def entries_after(entry_id: int, db_path: Path = db.DB_PATH) -> List[LogEntry]:
+    """All entries with id > entry_id, oldest first — for peer sync."""
+    return [_row_to_entry(r) for r in db.translog_after(entry_id, db_path=db_path)]

tests/test_discovery.py

@@ -0,0 +1,376 @@
+"""Discovery — DNS-SD parse + resolver, BFS walker, persistence, public endpoint."""
+
+from __future__ import annotations
+
+from typing import Any, Dict, List, Optional
+from unittest.mock import MagicMock, patch
+
+import dns.exception
+import dns.resolver
+import pytest
+from fastapi import FastAPI
+from fastapi.testclient import TestClient
+from sqlalchemy import create_engine
+from starlette.middleware.sessions import SessionMiddleware
+
+from psyc import db
+from psyc.cockpit import federation_routes
+from psyc.lines import discovery, federation, pulse
+from psyc.lines.discovery import (
+    PeerCandidate,
+    _parse_txt_value,
+    fetch_peer_info,
+    fetch_public_peers,
+    public_peer_attestation,
+    record_candidate,
+    resolve_psyc,
+    walk,
+)
+from psyc.result import Err, Ok
+
+
+# ---------- fixtures ---------------------------------------------------------
+
+@pytest.fixture
+def fresh_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    eng = create_engine(f"sqlite:///{test_db}", future=True)
+    db._metadata.create_all(eng, checkfirst=True)
+    monkeypatch.setattr(db, "_engine", eng)
+    monkeypatch.setattr(db, "DB_PATH", test_db)
+    yield test_db
+
+
+@pytest.fixture
+def fed_dir(tmp_path, monkeypatch):
+    d = tmp_path / "federation"
+    monkeypatch.setattr(federation, "FED_DIR", d)
+    monkeypatch.setattr(federation, "PRIVATE_KEY_PATH", d / "node.key")
+    monkeypatch.setattr(federation, "PUBLIC_KEY_PATH", d / "node.pub")
+    yield d
+
+
+def _mk_srv(port: int = 443) -> Any:
+    rd = MagicMock()
+    rd.port = port
+    return rd
+
+
+def _mk_txt(value: str) -> Any:
+    rd = MagicMock()
+    rd.strings = [value.encode("utf-8")]
+    return rd
+
+
+# ---------- TXT parser -------------------------------------------------------
+
+def test_parse_txt_valid():
+    txt = "v=psyc1 fp=" + "a" * 32 + " alg=ed25519 path=/federation/feed"
+    res = _parse_txt_value(txt)
+    assert isinstance(res, Ok)
+    assert res.value["fp"] == "a" * 32
+    assert res.value["alg"] == "ed25519"
+
+
+def test_parse_txt_tolerates_token_order():
+    txt = "path=/federation/feed alg=ed25519 fp=" + "f" * 32 + " v=psyc1"
+    res = _parse_txt_value(txt)
+    assert isinstance(res, Ok)
+
+
+def test_parse_txt_rejects_wrong_version():
+    txt = "v=psyc2 fp=" + "a" * 32 + " alg=ed25519"
+    res = _parse_txt_value(txt)
+    assert isinstance(res, Err)
+    assert "version" in res.reason
+
+
+def test_parse_txt_rejects_bad_fingerprint_length():
+    txt = "v=psyc1 fp=deadbeef alg=ed25519"
+    res = _parse_txt_value(txt)
+    assert isinstance(res, Err)
+    assert "fingerprint" in res.reason
+
+
+def test_parse_txt_rejects_non_hex_fingerprint():
+    txt = "v=psyc1 fp=" + "z" * 32 + " alg=ed25519"
+    res = _parse_txt_value(txt)
+    assert isinstance(res, Err)
+
+
+def test_parse_txt_rejects_malformed_token():
+    txt = "v=psyc1 fp=" + "a" * 32 + " alg ed25519"
+    res = _parse_txt_value(txt)
+    assert isinstance(res, Err)
+    assert "malformed" in res.reason
+
+
+def test_parse_txt_rejects_wrong_alg():
+    txt = "v=psyc1 fp=" + "a" * 32 + " alg=rsa"
+    res = _parse_txt_value(txt)
+    assert isinstance(res, Err)
+
+
+# ---------- resolve_psyc -----------------------------------------------------
+
+def test_resolve_psyc_happy_path():
+    fp = "1" * 32
+    txt = f"v=psyc1 fp={fp} alg=ed25519 path=/federation/feed"
+
+    def fake_resolve(self, name, rdtype):
+        if rdtype == "SRV":
+            return [_mk_srv(port=8443)]
+        if rdtype == "TXT":
+            return [_mk_txt(txt)]
+        raise dns.exception.DNSException("unexpected")
+
+    with patch.object(dns.resolver.Resolver, "resolve", fake_resolve):
+        res = resolve_psyc("peer.example.com")
+    assert isinstance(res, Ok)
+    cand = res.value
+    assert cand.domain == "peer.example.com"
+    assert cand.fingerprint == fp
+    assert cand.port == 8443
+    assert cand.source == "dns-sd"
+
+
+def test_resolve_psyc_nxdomain_returns_err():
+    def fake_resolve(self, name, rdtype):
+        raise dns.resolver.NXDOMAIN()
+
+    with patch.object(dns.resolver.Resolver, "resolve", fake_resolve):
+        res = resolve_psyc("nothere.example")
+    assert isinstance(res, Err)
+    assert "NXDOMAIN" in res.reason
+
+
+def test_resolve_psyc_txt_malformed_returns_err():
+    def fake_resolve(self, name, rdtype):
+        if rdtype == "SRV":
+            return [_mk_srv()]
+        return [_mk_txt("v=psyc1 fp=garbage alg=ed25519")]
+
+    with patch.object(dns.resolver.Resolver, "resolve", fake_resolve):
+        res = resolve_psyc("peer.example")
+    assert isinstance(res, Err)
+    assert "TXT" in res.reason or "fingerprint" in res.reason
+
+
+def test_resolve_psyc_no_answer_returns_err():
+    def fake_resolve(self, name, rdtype):
+        raise dns.resolver.NoAnswer()
+
+    with patch.object(dns.resolver.Resolver, "resolve", fake_resolve):
+        res = resolve_psyc("peer.example")
+    assert isinstance(res, Err)
+    assert "NoAnswer" in res.reason
+
+
+# ---------- walk -------------------------------------------------------------
+
+def _stub_resolve(catalog: Dict[str, str]):
+    """Build a resolve_psyc stub that returns each domain's catalog fingerprint."""
+    def _stub(domain: str, timeout: float = 5.0):
+        if domain not in catalog:
+            return Err(f"no record for {domain}")
+        return Ok(PeerCandidate(
+            domain=domain,
+            fingerprint=catalog[domain],
+            port=443,
+            source="dns-sd",
+        ))
+    return _stub
+
+
+def _stub_fetch_info_ok(*args, **kwargs):
+    return Ok({"fingerprint": kwargs.get("expected_fingerprint", "")})
+
+
+def _stub_fetch_peers_factory(graph: Dict[str, List[Dict[str, str]]]):
+    def _stub(domain: str, port: int = 443, timeout: float = 5.0):
+        return Ok(graph.get(domain, []))
+    return _stub
+
+
+def test_walk_dedupes_by_fingerprint(fresh_db, fed_dir, monkeypatch):
+    # Two seeds, same fingerprint via different domains → only one survives the (domain,fp) dedupe
+    # but distinct domains both surface; the (domain, fp) pair just shouldn't repeat.
+    fp = "9" * 32
+    catalog = {"a.example": fp, "b.example": fp}
+    monkeypatch.setattr(discovery, "resolve_psyc", _stub_resolve(catalog))
+    monkeypatch.setattr(discovery, "fetch_peer_info", _stub_fetch_info_ok)
+    monkeypatch.setattr(discovery, "fetch_public_peers", _stub_fetch_peers_factory({}))
+    out = walk(["a.example", "b.example", "a.example"], max_depth=1)
+    # both unique domains made it in; the duplicate seed didn't re-enter
+    assert len(out) == 2
+    domains = {c.domain for c in out}
+    assert domains == {"a.example", "b.example"}
+
+
+def test_walk_respects_max_depth(fresh_db, fed_dir, monkeypatch):
+    catalog = {"d0.example": "0" * 32, "d1.example": "1" * 32, "d2.example": "2" * 32}
+    graph = {
+        "d0.example": [{"domain": "d1.example", "fingerprint": "1" * 32}],
+        "d1.example": [{"domain": "d2.example", "fingerprint": "2" * 32}],
+    }
+    monkeypatch.setattr(discovery, "resolve_psyc", _stub_resolve(catalog))
+    monkeypatch.setattr(discovery, "fetch_peer_info", _stub_fetch_info_ok)
+    monkeypatch.setattr(discovery, "fetch_public_peers", _stub_fetch_peers_factory(graph))
+    out = walk(["d0.example"], max_depth=1)
+    domains = {c.domain for c in out}
+    # depth 0: d0; depth 1: d1; depth 2 (d2) is excluded by max_depth=1
+    assert "d0.example" in domains and "d1.example" in domains
+    assert "d2.example" not in domains
+
+
+def test_walk_respects_max_peers(fresh_db, fed_dir, monkeypatch):
+    catalog = {f"d{i}.example": f"{i:032x}" for i in range(10)}
+    graph = {"d0.example": [{"domain": f"d{i}.example", "fingerprint": f"{i:032x}"} for i in range(1, 10)]}
+    monkeypatch.setattr(discovery, "resolve_psyc", _stub_resolve(catalog))
+    monkeypatch.setattr(discovery, "fetch_peer_info", _stub_fetch_info_ok)
+    monkeypatch.setattr(discovery, "fetch_public_peers", _stub_fetch_peers_factory(graph))
+    out = walk(["d0.example"], max_depth=2, max_peers=3)
+    assert len(out) <= 3
+
+
+def test_walk_skips_own_fingerprint(fresh_db, fed_dir, monkeypatch):
+    own = federation.node_fingerprint()
+    catalog = {"self.example": own, "peer.example": "f" * 32}
+    monkeypatch.setattr(discovery, "resolve_psyc", _stub_resolve(catalog))
+    monkeypatch.setattr(discovery, "fetch_peer_info", _stub_fetch_info_ok)
+    monkeypatch.setattr(discovery, "fetch_public_peers", _stub_fetch_peers_factory({}))
+    out = walk(["self.example", "peer.example"], max_depth=1)
+    domains = {c.domain for c in out}
+    assert "self.example" not in domains
+    assert "peer.example" in domains
+
+
+def test_walk_one_failure_does_not_abort(fresh_db, fed_dir, monkeypatch):
+    catalog = {"good.example": "a" * 32}  # bad.example is absent → Err on resolve
+    monkeypatch.setattr(discovery, "resolve_psyc", _stub_resolve(catalog))
+    monkeypatch.setattr(discovery, "fetch_peer_info", _stub_fetch_info_ok)
+    monkeypatch.setattr(discovery, "fetch_public_peers", _stub_fetch_peers_factory({}))
+    out = walk(["bad.example", "good.example"], max_depth=1)
+    assert len(out) == 1
+    assert out[0].domain == "good.example"
+
+
+# ---------- record_candidate -------------------------------------------------
+
+def test_record_candidate_inserts_as_unknown(fresh_db):
+    c = PeerCandidate(domain="new.example", fingerprint="a" * 32, source="dns-sd")
+    record_candidate(c)
+    row = db.get_peer("new.example")
+    assert row is not None
+    assert row["status"] == "unknown"
+    assert row["fingerprint"] == "a" * 32
+
+
+def test_record_candidate_preserves_trusted(fresh_db, fed_dir):
+    federation.register_peer("vip.example", "b" * 32, "PEM", status="trusted")
+    # walker re-discovers it
+    c = PeerCandidate(domain="vip.example", fingerprint="b" * 32, source="peer-walk:other.example")
+    record_candidate(c)
+    row = db.get_peer("vip.example")
+    assert row["status"] == "trusted"
+
+
+def test_record_candidate_preserves_blocked(fresh_db, fed_dir):
+    federation.register_peer("bad.example", "c" * 32, "PEM", status="blocked")
+    c = PeerCandidate(domain="bad.example", fingerprint="c" * 32, source="dns-sd")
+    record_candidate(c)
+    row = db.get_peer("bad.example")
+    assert row["status"] == "blocked"
+
+
+def test_record_candidate_updates_last_seen(fresh_db):
+    c = PeerCandidate(domain="repeat.example", fingerprint="d" * 32, source="dns-sd")
+    record_candidate(c)
+    first = db.get_peer("repeat.example")
+    # second pass — last_seen advances, discovered_at stays
+    c2 = PeerCandidate(domain="repeat.example", fingerprint="d" * 32, source="dns-sd")
+    record_candidate(c2)
+    second = db.get_peer("repeat.example")
+    assert second["discovered_at"] == first["discovered_at"]
+
+
+# ---------- public attestation -----------------------------------------------
+
+def test_public_peer_attestation_only_trusted(fresh_db, fed_dir):
+    federation.register_peer("trusted.example", "1" * 32, "PEM", status="trusted")
+    federation.register_peer("unknown.example", "2" * 32, "PEM", status="unknown")
+    federation.register_peer("blocked.example", "3" * 32, "PEM", status="blocked")
+    out = public_peer_attestation()
+    domains = {p["domain"] for p in out}
+    assert domains == {"trusted.example"}
+
+
+def test_public_peer_attestation_payload_shape(fresh_db, fed_dir):
+    federation.register_peer("t.example", "f" * 32, "PEM", status="trusted")
+    out = public_peer_attestation()
+    assert len(out) == 1
+    entry = out[0]
+    assert set(entry.keys()) == {"domain", "fingerprint", "first_seen"}
+
+
+# ---------- public endpoint via TestClient -----------------------------------
+
+def _mk_app() -> FastAPI:
+    app = FastAPI()
+    app.add_middleware(SessionMiddleware, secret_key="test-secret")
+    # Templates aren't exercised by the public endpoints we care about here.
+    from fastapi.templating import Jinja2Templates
+    import tempfile, os
+    tdir = tempfile.mkdtemp()
+    templates = Jinja2Templates(directory=tdir)
+    federation_routes.register(app, templates)
+    return app
+
+
+def test_public_peers_endpoint_excludes_unknown_blocked(fresh_db, fed_dir):
+    federation.register_peer("ok.example", "a" * 32, "PEM", status="trusted")
+    federation.register_peer("rude.example", "b" * 32, "PEM", status="blocked")
+    federation.register_peer("new.example", "c" * 32, "PEM", status="unknown")
+    # Flush in-memory cache from any earlier test.
+    federation_routes._PUBLIC_PEERS_CACHE["payload"] = None
+    federation_routes._PUBLIC_PEERS_CACHE["ts"] = 0.0
+    app = _mk_app()
+    client = TestClient(app)
+    r = client.get("/federation/peers/public")
+    assert r.status_code == 200
+    body = r.json()
+    domains = {p["domain"] for p in body}
+    assert "ok.example" in domains
+    assert "rude.example" not in domains
+    assert "new.example" not in domains
+
+
+# ---------- pulse integration ------------------------------------------------
+
+def test_discovery_seeds_roundtrip(fresh_db):
+    assert pulse.get_discovery_seeds() == []
+    pulse.set_discovery_seeds(["a.example", "b.example", "a.example", "", "  "])
+    # dedupe + strip blanks
+    assert pulse.get_discovery_seeds() == ["a.example", "b.example"]
+
+
+def test_peer_pull_pipeline_no_seeds(fresh_db, fed_dir, monkeypatch):
+    # peer-pull runner returns a clean message when nothing's configured.
+    outcome, result = pulse.run_now("peer-pull")
+    assert outcome == "ok"
+    assert "no seeds" in result
+
+
+def test_peer_pull_pipeline_with_seeds(fresh_db, fed_dir, monkeypatch):
+    pulse.set_discovery_seeds(["good.example"])
+    catalog = {"good.example": "e" * 32}
+    monkeypatch.setattr(discovery, "resolve_psyc", _stub_resolve(catalog))
+    monkeypatch.setattr(discovery, "fetch_peer_info", _stub_fetch_info_ok)
+    monkeypatch.setattr(discovery, "fetch_public_peers", _stub_fetch_peers_factory({}))
+    outcome, result = pulse.run_now("peer-pull")
+    assert outcome == "ok"
+    assert "discovered 1" in result
+    # And it was recorded.
+    row = db.get_peer("good.example")
+    assert row is not None
+    assert row["status"] == "unknown"

tests/test_explore_view.py

@@ -0,0 +1,427 @@
+"""Federation explore view — public transparency payload tests.
+
+Sibling to `test_network_view.py`; focused on the explore-only shape:
+shape contract, signature round-trip, no-leak invariants, transitive walk,
+inbound vouches filter, and the corroboration counter.
+"""
+
+from __future__ import annotations
+
+import base64
+import json
+from datetime import datetime, timedelta, timezone
+from typing import Any, Dict, List, Optional
+from unittest.mock import patch
+
+import pytest
+from fastapi import FastAPI
+from fastapi.templating import Jinja2Templates
+from fastapi.testclient import TestClient
+from sqlalchemy import create_engine
+from starlette.middleware.sessions import SessionMiddleware
+
+from psyc import db
+from psyc.cockpit import federation_routes
+from psyc.lines import federation, network_view, translog
+from psyc.lines.network_view import build_explore_view
+
+
+# ---------- fixtures ----------------------------------------------------
+
+@pytest.fixture
+def fresh_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    eng = create_engine(f"sqlite:///{test_db}", future=True)
+    db._metadata.create_all(eng, checkfirst=True)
+    monkeypatch.setattr(db, "_engine", eng)
+    monkeypatch.setattr(db, "DB_PATH", test_db)
+    yield test_db
+
+
+@pytest.fixture
+def fed_dir(tmp_path, monkeypatch):
+    d = tmp_path / "federation"
+    monkeypatch.setattr(federation, "FED_DIR", d)
+    monkeypatch.setattr(federation, "PRIVATE_KEY_PATH", d / "node.key")
+    monkeypatch.setattr(federation, "PUBLIC_KEY_PATH", d / "node.pub")
+    yield d
+
+
+@pytest.fixture(autouse=True)
+def reset_explore_caches(monkeypatch):
+    """Prevent route-level cache bleed between tests."""
+    monkeypatch.setattr(network_view, "_TRANSITIVE_CACHE", {"ts": 0.0, "view": None})
+    federation_routes._FEED_CACHE["payload"] = None
+    federation_routes._PUBLIC_PEERS_CACHE["payload"] = None
+    federation_routes._PUBLIC_NETWORK_CACHE["payload"] = None
+    if hasattr(federation_routes, "_EXPLORE_CACHE"):
+        federation_routes._EXPLORE_CACHE["payload"] = None
+    yield
+
+
+def _make_peer_pubkey() -> tuple[str, str]:
+    """Return (fingerprint, pubkey_pem) for a synthetic peer keypair."""
+    import hashlib
+    from cryptography.hazmat.primitives import serialization
+    from cryptography.hazmat.primitives.asymmetric import ed25519
+    priv = ed25519.Ed25519PrivateKey.generate()
+    pub = priv.public_key()
+    pem = pub.public_bytes(
+        encoding=serialization.Encoding.PEM,
+        format=serialization.PublicFormat.SubjectPublicKeyInfo,
+    ).decode("ascii")
+    raw = pub.public_bytes(
+        encoding=serialization.Encoding.Raw,
+        format=serialization.PublicFormat.Raw,
+    )
+    fp = hashlib.sha256(raw).digest()[:16].hex()
+    return fp, pem
+
+
+def _silence_explore_fetch():
+    return patch.object(network_view, "_fetch_peer_explore", return_value=None)
+
+
+def _silence_network_fetch():
+    return patch.object(network_view, "_fetch_peer_network", return_value=None)
+
+
+# ---------- schema ------------------------------------------------------
+
+def test_explore_view_top_level_shape(fresh_db, fed_dir):
+    with _silence_explore_fetch(), _silence_network_fetch():
+        payload = build_explore_view(node_domain="me.example")
+    for key in (
+        "version", "fingerprint", "generated_at",
+        "node", "peers", "vouches", "vouches_out", "vouches_in",
+        "transitive_peers", "corroboration_count_24h", "signature",
+    ):
+        assert key in payload, f"missing {key}"
+    node = payload["node"]
+    for key in (
+        "fingerprint", "domain", "generated_at",
+        "transparency_log_head_hash", "translog_entry_count",
+        "peer_count", "vouches_out_count", "vouches_in_count",
+        "corroboration_count_24h", "signals_count_24h",
+    ):
+        assert key in node, f"missing node.{key}"
+    assert node["domain"] == "me.example"
+    assert node["fingerprint"] == federation.node_fingerprint()
+
+
+def test_explore_peer_carries_public_safe_stats(fresh_db, fed_dir):
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", fp, pem, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    for i in range(3):
+        db.record_signal(dict(
+            peer_fingerprint=fp,
+            signal_type="ioc",
+            signal_id=f"1.2.3.{i}",
+            signal_hash=f"hash-{i}",
+            received_at=now_iso,
+            raw_json=json.dumps({"type": "ip", "value": f"1.2.3.{i}"}),
+        ))
+    with _silence_explore_fetch(), _silence_network_fetch():
+        payload = build_explore_view()
+    assert len(payload["peers"]) == 1
+    p = payload["peers"][0]
+    # Public-safe stats present.
+    for key in (
+        "signal_count_24h", "signal_count_total",
+        "cases_24h", "iocs_24h",
+        "quorum_contribution_24h", "last_seen",
+    ):
+        assert key in p
+    assert p["signal_count_24h"] == 3
+    assert p["iocs_24h"] == 3
+    assert p["cases_24h"] == 0
+    # Sensitive fields are not surfaced per-peer.
+    assert "severity_breakdown" not in p
+    assert "ioc_type_breakdown" not in p
+    assert "recent_translog" not in p
+
+
+# ---------- signature round-trip ---------------------------------------
+
+def test_explore_view_signature_round_trip(fresh_db, fed_dir):
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp, pem, status="trusted")
+    federation.issue_vouch(fp, ttl_days=30)
+    with _silence_explore_fetch(), _silence_network_fetch():
+        payload = build_explore_view()
+    assert "signature" in payload
+    sig = base64.b64decode(payload["signature"])
+    unsigned = {k: v for k, v in payload.items() if k != "signature"}
+    assert federation.verify_payload(
+        federation.canonical_json(unsigned),
+        sig,
+        federation.public_key_pem(),
+    ) is True
+
+
+# ---------- no-leak invariants -----------------------------------------
+
+def test_explore_view_has_no_ioc_values_or_case_ids_or_raw_json(fresh_db, fed_dir):
+    """Public payload must not expose IOC values, case_ids in raw form, or raw_json.
+
+    This is the core transparency-vs-leakage contract: anyone can see who's
+    talking to whom and how much, but never what they're saying.
+    """
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp, pem, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="ioc",
+        signal_id="evil-domain-do-not-leak.com",
+        signal_hash="ioc-hash-leak",
+        received_at=now_iso,
+        raw_json=json.dumps({"type": "domain", "value": "evil-domain-do-not-leak.com"}),
+    ))
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="case",
+        signal_id="CASE-SECRET-42",
+        signal_hash="case-hash-leak",
+        received_at=now_iso,
+        raw_json=json.dumps({"severity": "critical", "case_id": "CASE-SECRET-42"}),
+    ))
+    with _silence_explore_fetch(), _silence_network_fetch():
+        payload = build_explore_view()
+    flat = json.dumps(payload, default=str)
+    # IOC values.
+    assert "evil-domain-do-not-leak.com" not in flat
+    # Case ids (raw).
+    assert "CASE-SECRET-42" not in flat
+    # raw_json shape never serialized.
+    assert "raw_json" not in flat
+    # Sector-leaking breakdowns.
+    assert "severity_breakdown" not in flat
+    assert "ioc_type_breakdown" not in flat
+
+
+# ---------- transitive peers --------------------------------------------
+
+def test_explore_transitive_peers_populated_from_peer_responses(fresh_db, fed_dir):
+    direct_fp, direct_pem = _make_peer_pubkey()
+    federation.register_peer("direct.example", direct_fp, direct_pem, status="trusted")
+    far_a, _ = _make_peer_pubkey()
+    far_b, _ = _make_peer_pubkey()
+    fake_payload: Dict[str, Any] = {
+        "fingerprint": direct_fp,
+        "peers": [
+            {"fingerprint": far_a, "domain": "far-a.example"},
+            {"fingerprint": far_b, "domain": "far-b.example"},
+        ],
+        "vouches": [],
+    }
+    with patch.object(network_view, "_fetch_peer_explore", return_value=fake_payload):
+        payload = build_explore_view()
+    tps = payload["transitive_peers"]
+    fps = {t["fingerprint"] for t in tps}
+    assert far_a in fps
+    assert far_b in fps
+    via_fps = {t["via_peer_fingerprint"] for t in tps}
+    assert via_fps == {direct_fp}
+
+
+def test_explore_transitive_peers_falls_back_to_network_endpoint(fresh_db, fed_dir):
+    """If a peer doesn't have /federation/explore/data (older node), fall back
+    to /federation/network — the public-view shape is the same {fingerprint, peers}."""
+    direct_fp, direct_pem = _make_peer_pubkey()
+    federation.register_peer("direct.example", direct_fp, direct_pem, status="trusted")
+    far_fp, _ = _make_peer_pubkey()
+    fallback_payload: Dict[str, Any] = {
+        "fingerprint": direct_fp,
+        "peers": [{"fingerprint": far_fp, "domain": "far.example"}],
+        "vouches": [],
+    }
+    with patch.object(network_view, "_fetch_peer_explore", return_value=None), \
+         patch.object(network_view, "_fetch_peer_network", return_value=fallback_payload):
+        payload = build_explore_view()
+    assert any(t["fingerprint"] == far_fp for t in payload["transitive_peers"])
+
+
+def test_explore_transitive_peers_dedupe_against_direct(fresh_db, fed_dir):
+    """If a transitive fp is already a direct peer, don't duplicate it."""
+    direct_fp, direct_pem = _make_peer_pubkey()
+    federation.register_peer("direct.example", direct_fp, direct_pem, status="trusted")
+    fake_payload = {
+        "fingerprint": direct_fp,
+        # Direct peer's own fp echoed back — must be deduped.
+        "peers": [{"fingerprint": direct_fp, "domain": "direct.example"}],
+        "vouches": [],
+    }
+    with patch.object(network_view, "_fetch_peer_explore", return_value=fake_payload):
+        payload = build_explore_view()
+    assert payload["transitive_peers"] == []
+
+
+# ---------- vouches_in --------------------------------------------------
+
+def test_explore_vouches_in_filters_to_target_self_and_trusted_vouchers(fresh_db, fed_dir):
+    """vouches_in includes ONLY entries naming us as target whose voucher we trust."""
+    our_fp = federation.node_fingerprint()
+    fp_trusted, pem_t = _make_peer_pubkey()
+    fp_unknown, pem_u = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp_trusted, pem_t, status="trusted")
+    federation.register_peer("unknown.example", fp_unknown, pem_u, status="unknown")
+    now = datetime.now(timezone.utc).isoformat()
+    # Trusted peer vouches for us.
+    db.upsert_vouch(dict(
+        voucher_fingerprint=fp_trusted,
+        target_fingerprint=our_fp,
+        issued_at=now,
+        expires_at=None,
+        signature="trusted-sig",
+    ))
+    # Unknown peer also "vouches" for us — must NOT leak.
+    db.upsert_vouch(dict(
+        voucher_fingerprint=fp_unknown,
+        target_fingerprint=our_fp,
+        issued_at=now,
+        expires_at=None,
+        signature="rogue-sig",
+    ))
+    # Vouch naming someone else — must NOT appear in vouches_in.
+    other_fp, _ = _make_peer_pubkey()
+    db.upsert_vouch(dict(
+        voucher_fingerprint=fp_trusted,
+        target_fingerprint=other_fp,
+        issued_at=now,
+        expires_at=None,
+        signature="other-sig",
+    ))
+    with _silence_explore_fetch(), _silence_network_fetch():
+        payload = build_explore_view()
+    vouchers = {v["voucher_fingerprint"] for v in payload["vouches_in"]}
+    assert vouchers == {fp_trusted}
+    # And the rogue signature is not anywhere in the payload.
+    assert "rogue-sig" not in json.dumps(payload, default=str)
+
+
+# ---------- corroboration counter --------------------------------------
+
+def test_explore_corroboration_count_matches_distinct_shared_hashes(fresh_db, fed_dir):
+    fp_a, pem_a = _make_peer_pubkey()
+    fp_b, pem_b = _make_peer_pubkey()
+    federation.register_peer("a.example", fp_a, pem_a, status="trusted")
+    federation.register_peer("b.example", fp_b, pem_b, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    # Two shared hashes between A and B.
+    for h in ("shared-1", "shared-2"):
+        for fp in (fp_a, fp_b):
+            db.record_signal(dict(
+                peer_fingerprint=fp,
+                signal_type="ioc",
+                signal_id="x",
+                signal_hash=h,
+                received_at=now_iso,
+                raw_json="{}",
+            ))
+    # One solo hash — must NOT count.
+    db.record_signal(dict(
+        peer_fingerprint=fp_a,
+        signal_type="ioc",
+        signal_id="solo",
+        signal_hash="solo-hash",
+        received_at=now_iso,
+        raw_json="{}",
+    ))
+    with _silence_explore_fetch(), _silence_network_fetch():
+        payload = build_explore_view()
+    assert payload["corroboration_count_24h"] == 2
+    assert payload["node"]["corroboration_count_24h"] == 2
+
+
+# ---------- transparency log headline ----------------------------------
+
+def test_explore_node_translog_headline_reflects_chain(fresh_db, fed_dir):
+    translog.append("vouch", {"foo": "bar"})
+    translog.append("signal", {"x": 1})
+    with _silence_explore_fetch(), _silence_network_fetch():
+        payload = build_explore_view()
+    node = payload["node"]
+    assert node["translog_entry_count"] == 2
+    assert isinstance(node["transparency_log_head_hash"], str)
+    assert len(node["transparency_log_head_hash"]) == 64  # hex sha256
+
+
+# ---------- HTTP routes -------------------------------------------------
+
+def _mk_app() -> FastAPI:
+    app = FastAPI()
+    app.add_middleware(SessionMiddleware, secret_key="test-secret")
+    import tempfile
+    from pathlib import Path as _Path
+    # We need real templates for /federation/explore HTML response.
+    here = _Path(__file__).resolve().parent.parent / "src" / "psyc" / "cockpit" / "templates"
+    templates = Jinja2Templates(directory=str(here))
+    federation_routes.register(app, templates)
+    return app
+
+
+def test_federation_explore_endpoint_returns_html(fresh_db, fed_dir):
+    with _silence_explore_fetch(), _silence_network_fetch():
+        client = TestClient(_mk_app())
+        r = client.get("/federation/explore")
+    assert r.status_code == 200
+    assert "text/html" in r.headers.get("content-type", "")
+    # Banner + page title are present.
+    body = r.text
+    assert "Federation Explorer" in body
+
+
+def test_federation_explore_data_returns_signed_json(fresh_db, fed_dir):
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp, pem, status="trusted")
+    with _silence_explore_fetch(), _silence_network_fetch():
+        client = TestClient(_mk_app())
+        r = client.get("/federation/explore/data")
+    assert r.status_code == 200
+    data = r.json()
+    assert "signature" in data
+    assert "node" in data
+    sig = base64.b64decode(data["signature"])
+    unsigned = {k: v for k, v in data.items() if k != "signature"}
+    assert federation.verify_payload(
+        federation.canonical_json(unsigned),
+        sig,
+        federation.public_key_pem(),
+    ) is True
+
+
+def test_federation_explore_data_has_cors_header(fresh_db, fed_dir):
+    """Other psyc nodes' explore pages need to fetch this from the browser."""
+    with _silence_explore_fetch(), _silence_network_fetch():
+        client = TestClient(_mk_app())
+        r = client.get("/federation/explore/data")
+    assert r.status_code == 200
+    assert r.headers.get("access-control-allow-origin") == "*"
+
+
+def test_federation_info_has_explore_and_cors(fresh_db, fed_dir):
+    client = TestClient(_mk_app())
+    r = client.get("/federation/info")
+    assert r.status_code == 200
+    data = r.json()
+    assert data.get("explore") == "/federation/explore"
+    assert r.headers.get("access-control-allow-origin") == "*"
+
+
+def test_existing_public_endpoints_have_cors_header(fresh_db, fed_dir):
+    """All public endpoints must be cross-origin fetchable for the explorer."""
+    client = TestClient(_mk_app())
+    for path in (
+        "/federation/key",
+        "/federation/feed",
+        "/federation/vouches",
+        "/federation/log",
+        "/federation/log/verify",
+        "/federation/peers/public",
+        "/federation/network",
+    ):
+        r = client.get(path)
+        assert r.status_code in (200, 409), f"{path} status {r.status_code}"
+        assert r.headers.get("access-control-allow-origin") == "*", f"{path} missing CORS"

tests/test_federation.py

@@ -159,6 +159,8 @@ def test_build_then_import_signed_feed_roundtrip(fresh_db, fed_dir):
     new_sig = peer_priv.sign(canonical_json(unsigned))
     feed["signature"] = base64.b64encode(new_sig).decode("ascii")
 
+    # Stage 4 listening gate: peer must be trusted to land signals.
+    federation.register_peer("peer.example", peer_fp, peer_pub_pem, status="trusted")
     result = import_signed_feed(feed, peer_pub_pem)
     assert isinstance(result, Ok), getattr(result, "reason", "")
     summary = result.value
@@ -228,3 +230,33 @@ def test_peer_registry_crud(fresh_db, fed_dir):
 
     federation.remove_peer("peer.example")
     assert federation.list_peers() == []
+
+
+def test_register_peer_rejects_malformed_domain(fresh_db, fed_dir):
+    """XSS guard: domain must look like a hostname (+ optional :port)."""
+    import pytest
+    bad = [
+        "evil.com'); alert(1); //",
+        "evil.com<script>",
+        "evil.com onclick=alert(1)",
+        "",
+        "evil com",  # space
+        "/etc/passwd",
+        "evil.com/?phish=1",
+    ]
+    for d in bad:
+        with pytest.raises(ValueError):
+            federation.register_peer(d, "ff" * 16, "PEM")
+    # And good ones still pass:
+    for d in ["peer.example.com", "peer.example.com:8443", "peer-1.example", "127.0.0.1:8767"]:
+        federation.register_peer(d, "ff" * 16, "PEM")
+        federation.remove_peer(d)
+
+
+def test_register_peer_rejects_malformed_fingerprint(fresh_db, fed_dir):
+    """Defense-in-depth: fingerprint must be 32 hex chars."""
+    import pytest
+    with pytest.raises(ValueError):
+        federation.register_peer("peer.example", "not-hex", "PEM")
+    with pytest.raises(ValueError):
+        federation.register_peer("peer.example", "ff" * 8, "PEM")  # too short

tests/test_inference.py

@@ -0,0 +1,151 @@
+"""Tests for the inference client — both psyc-native and openai-compatible modes."""
+
+from __future__ import annotations
+
+import importlib
+import json
+from typing import Any, Dict
+
+import httpx
+import pytest
+
+from psyc.cockpit import inference
+from psyc.models import Case, Classification, Confidence, Severity, TLP, Observables, Evidence, Victim
+
+
+def _reload_with_env(monkeypatch, **env: str) -> Any:
+    for k, v in env.items():
+        monkeypatch.setenv(k, v)
+    return importlib.reload(inference)
+
+
+def _case() -> Case:
+    return Case(
+        case_id="C-T-1",
+        summary="test",
+        source_type="test",
+        source_ref="",
+        observed_at="2026-01-01T00:00:00+00:00",
+        ingested_at="2026-01-01T00:00:00+00:00",
+        classification=Classification(tlp=TLP.GREEN, severity=Severity.HIGH),
+        confidence=Confidence(level="medium", source_reliability="B", information_credibility="2"),
+        observables=Observables(),
+        evidence=Evidence(),
+        source_metadata={},
+        victim=Victim(),
+    )
+
+
+def test_no_auth_header_when_token_unset(monkeypatch):
+    mod = _reload_with_env(monkeypatch, PSYC_INFERENCE_TOKEN="")
+    assert mod._auth_headers() == {}
+
+
+def test_bearer_header_when_token_set(monkeypatch):
+    mod = _reload_with_env(monkeypatch, PSYC_INFERENCE_TOKEN="abc123")
+    assert mod._auth_headers() == {"Authorization": "Bearer abc123"}
+
+
+def test_psyc_mode_server_adapter(monkeypatch):
+    mod = _reload_with_env(monkeypatch, PSYC_INFERENCE_MODE="psyc", PSYC_INFERENCE_URL="http://x")
+    seen: Dict[str, Any] = {}
+
+    def handler(request: httpx.Request) -> httpx.Response:
+        seen["url"] = str(request.url)
+        seen["method"] = request.method
+        return httpx.Response(200, json={"adapter": "/data/adapters/psyc-v5/final"})
+
+    transport = httpx.MockTransport(handler)
+    real_client = httpx.Client
+    monkeypatch.setattr(httpx, "Client", lambda **kw: real_client(transport=transport, **{k: v for k, v in kw.items() if k != "transport"}))
+
+    assert mod.server_adapter() == "/data/adapters/psyc-v5/final"
+    assert seen["url"].endswith("/healthz")
+
+
+def test_openai_mode_server_adapter(monkeypatch):
+    mod = _reload_with_env(
+        monkeypatch,
+        PSYC_INFERENCE_MODE="openai",
+        PSYC_INFERENCE_URL="https://api.example",
+        PSYC_INFERENCE_TOKEN="t0k",
+        PSYC_INFERENCE_MODEL="psyc-v5",
+    )
+    seen: Dict[str, Any] = {}
+
+    def handler(request: httpx.Request) -> httpx.Response:
+        seen["url"] = str(request.url)
+        seen["auth"] = request.headers.get("authorization")
+        return httpx.Response(200, json={"data": [{"id": "llama3"}, {"id": "mistral"}]})
+
+    transport = httpx.MockTransport(handler)
+    real_client = httpx.Client
+    monkeypatch.setattr(httpx, "Client", lambda **kw: real_client(transport=transport, **{k: v for k, v in kw.items() if k != "transport"}))
+
+    assert mod.server_adapter() == "llama3"
+    assert seen["url"].endswith("/v1/models")
+    assert seen["auth"] == "Bearer t0k"
+
+
+def test_openai_mode_severity_request_shape(monkeypatch):
+    mod = _reload_with_env(
+        monkeypatch,
+        PSYC_INFERENCE_MODE="openai",
+        PSYC_INFERENCE_URL="https://api.example",
+        PSYC_INFERENCE_TOKEN="t0k",
+        PSYC_INFERENCE_MODEL="psyc-v5",
+    )
+    sent: Dict[str, Any] = {}
+
+    def handler(request: httpx.Request) -> httpx.Response:
+        sent["url"] = str(request.url)
+        sent["auth"] = request.headers.get("authorization")
+        sent["body"] = json.loads(request.content.decode())
+        return httpx.Response(200, json={"choices": [{"message": {"content": "HIGH"}}]})
+
+    transport = httpx.MockTransport(handler)
+    real_client = httpx.Client
+    monkeypatch.setattr(httpx, "Client", lambda **kw: real_client(transport=transport, **{k: v for k, v in kw.items() if k != "transport"}))
+
+    result = mod.model_severity(_case())
+    assert result == "high"
+    assert sent["url"].endswith("/v1/chat/completions")
+    assert sent["auth"] == "Bearer t0k"
+    assert sent["body"]["model"] == "psyc-v5"
+    assert sent["body"]["messages"][0]["role"] == "system"
+    assert sent["body"]["messages"][1]["role"] == "user"
+    assert sent["body"]["max_tokens"] == 16
+
+
+def test_psyc_mode_severity_unchanged(monkeypatch):
+    mod = _reload_with_env(monkeypatch, PSYC_INFERENCE_MODE="psyc", PSYC_INFERENCE_URL="http://x", PSYC_INFERENCE_TOKEN="")
+    sent: Dict[str, Any] = {}
+
+    def handler(request: httpx.Request) -> httpx.Response:
+        sent["url"] = str(request.url)
+        sent["auth"] = request.headers.get("authorization")
+        sent["body"] = json.loads(request.content.decode())
+        return httpx.Response(200, json={"output": "MEDIUM"})
+
+    transport = httpx.MockTransport(handler)
+    real_client = httpx.Client
+    monkeypatch.setattr(httpx, "Client", lambda **kw: real_client(transport=transport, **{k: v for k, v in kw.items() if k != "transport"}))
+
+    assert mod.model_severity(_case()) == "medium"
+    assert sent["url"].endswith("/infer")
+    assert sent["auth"] is None
+    assert "instruction" in sent["body"]
+    assert "max_new_tokens" in sent["body"]
+
+
+def test_server_adapter_returns_none_on_http_error(monkeypatch):
+    mod = _reload_with_env(monkeypatch, PSYC_INFERENCE_MODE="openai", PSYC_INFERENCE_URL="https://api.example")
+
+    def handler(request: httpx.Request) -> httpx.Response:
+        return httpx.Response(401, json={"error": "unauthorized"})
+
+    transport = httpx.MockTransport(handler)
+    real_client = httpx.Client
+    monkeypatch.setattr(httpx, "Client", lambda **kw: real_client(transport=transport, **{k: v for k, v in kw.items() if k != "transport"}))
+
+    assert mod.server_adapter() is None

tests/test_network_view.py

@@ -0,0 +1,702 @@
+"""Network view — local + transitive + public payload tests."""
+
+from __future__ import annotations
+
+import base64
+import json
+from datetime import datetime, timedelta, timezone
+from typing import Any, Dict
+from unittest.mock import patch
+
+import pytest
+from sqlalchemy import create_engine
+
+from psyc import db
+from psyc.lines import federation, network_view, translog
+from psyc.lines.network_view import (
+    NetworkEdge,
+    NetworkNode,
+    NetworkView,
+    build_admin_view,
+    build_explore_view,
+    build_local_view,
+    build_public_view,
+    build_transitive_view,
+)
+
+
+# ---------- fixtures ----------------------------------------------------
+
+@pytest.fixture
+def fresh_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    eng = create_engine(f"sqlite:///{test_db}", future=True)
+    db._metadata.create_all(eng, checkfirst=True)
+    monkeypatch.setattr(db, "_engine", eng)
+    monkeypatch.setattr(db, "DB_PATH", test_db)
+    yield test_db
+
+
+@pytest.fixture
+def fed_dir(tmp_path, monkeypatch):
+    d = tmp_path / "federation"
+    monkeypatch.setattr(federation, "FED_DIR", d)
+    monkeypatch.setattr(federation, "PRIVATE_KEY_PATH", d / "node.key")
+    monkeypatch.setattr(federation, "PUBLIC_KEY_PATH", d / "node.pub")
+    yield d
+
+
+@pytest.fixture(autouse=True)
+def reset_transitive_cache(monkeypatch):
+    """Prevent cache bleed between tests."""
+    monkeypatch.setattr(network_view, "_TRANSITIVE_CACHE", {"ts": 0.0, "view": None})
+    yield
+
+
+def _make_peer_pubkey() -> tuple[str, str]:
+    """Return (fingerprint, pubkey_pem) for a synthetic peer keypair."""
+    import hashlib
+    from cryptography.hazmat.primitives import serialization
+    from cryptography.hazmat.primitives.asymmetric import ed25519
+    priv = ed25519.Ed25519PrivateKey.generate()
+    pub = priv.public_key()
+    pem = pub.public_bytes(
+        encoding=serialization.Encoding.PEM,
+        format=serialization.PublicFormat.SubjectPublicKeyInfo,
+    ).decode("ascii")
+    raw = pub.public_bytes(
+        encoding=serialization.Encoding.Raw,
+        format=serialization.PublicFormat.Raw,
+    )
+    fp = hashlib.sha256(raw).digest()[:16].hex()
+    return fp, pem
+
+
+# ---------- local view --------------------------------------------------
+
+def test_local_view_empty_registry_yields_only_self(fresh_db, fed_dir):
+    view = build_local_view()
+    assert isinstance(view, NetworkView)
+    assert len(view.nodes) == 1
+    self_node = view.nodes[0]
+    assert self_node.is_self is True
+    assert self_node.distance == 0
+    assert self_node.status == "self"
+    assert self_node.fingerprint == federation.node_fingerprint()
+    assert view.edges == []
+    assert view.stats["total_peers"] == 0
+    assert view.stats["vouched_peers"] == 0
+    assert view.stats["signals_buffered_24h"] == 0
+
+
+def test_local_view_one_trusted_peer_no_edges(fresh_db, fed_dir):
+    peer_fp, peer_pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", peer_fp, peer_pem, status="trusted")
+    view = build_local_view()
+    assert len(view.nodes) == 2
+    peer_node = next(n for n in view.nodes if not n.is_self)
+    assert peer_node.fingerprint == peer_fp
+    assert peer_node.status == "trusted"
+    assert peer_node.distance == 1
+    assert peer_node.domain == "peer.example"
+    assert view.edges == []
+    assert view.stats["total_peers"] == 1
+    assert view.stats["vouched_peers"] == 1
+
+
+def test_local_view_outbound_vouch_creates_edge(fresh_db, fed_dir):
+    peer_fp, peer_pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", peer_fp, peer_pem, status="trusted")
+    federation.issue_vouch(peer_fp, ttl_days=30)
+    view = build_local_view()
+    vouch_edges = [e for e in view.edges if e.kind == "vouch"]
+    assert len(vouch_edges) == 1
+    e = vouch_edges[0]
+    assert e.source_fingerprint == federation.node_fingerprint()
+    assert e.target_fingerprint == peer_fp
+    assert view.stats["vouches_issued"] == 1
+
+
+def test_local_view_inbound_vouch_creates_edge(fresh_db, fed_dir):
+    """Vouches received that name us as target → peer → self edge."""
+    peer_fp, peer_pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", peer_fp, peer_pem, status="trusted")
+    # Insert a vouch where peer vouches FOR us, bypassing accept_vouch (which
+    # we don't need to exercise here — the question is render shape).
+    our_fp = federation.node_fingerprint()
+    now = datetime.now(timezone.utc)
+    db.upsert_vouch(dict(
+        voucher_fingerprint=peer_fp,
+        target_fingerprint=our_fp,
+        issued_at=now.isoformat(),
+        expires_at=(now + timedelta(days=30)).isoformat(),
+        signature="x" * 88,
+    ))
+    view = build_local_view()
+    vouch_edges = [e for e in view.edges if e.kind == "vouch"]
+    assert len(vouch_edges) == 1
+    e = vouch_edges[0]
+    assert e.source_fingerprint == peer_fp
+    assert e.target_fingerprint == our_fp
+
+
+def test_local_view_bidirectional_vouches_collapse(fresh_db, fed_dir):
+    peer_fp, peer_pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", peer_fp, peer_pem, status="trusted")
+    federation.issue_vouch(peer_fp, ttl_days=30)
+    # And peer vouches back at us.
+    our_fp = federation.node_fingerprint()
+    now = datetime.now(timezone.utc)
+    db.upsert_vouch(dict(
+        voucher_fingerprint=peer_fp,
+        target_fingerprint=our_fp,
+        issued_at=now.isoformat(),
+        expires_at=(now + timedelta(days=30)).isoformat(),
+        signature="x" * 88,
+    ))
+    view = build_local_view()
+    vouch_edges = [e for e in view.edges if e.kind == "vouch"]
+    assert len(vouch_edges) == 1
+    assert vouch_edges[0].bidirectional is True
+
+
+def test_local_view_signal_edge_weight_is_24h_count(fresh_db, fed_dir):
+    peer_fp, peer_pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", peer_fp, peer_pem, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    # Three signals from this peer within the window.
+    for i in range(3):
+        db.record_signal(dict(
+            peer_fingerprint=peer_fp,
+            signal_type="ioc",
+            signal_id=f"1.2.3.{i}",
+            signal_hash=f"hash-{i}",
+            received_at=now_iso,
+            raw_json="{}",
+        ))
+    # One stale signal outside the window — must be ignored.
+    stale = (datetime.now(timezone.utc) - timedelta(hours=48)).isoformat()
+    db.record_signal(dict(
+        peer_fingerprint=peer_fp,
+        signal_type="ioc",
+        signal_id="9.9.9.9",
+        signal_hash="stale",
+        received_at=stale,
+        raw_json="{}",
+    ))
+    view = build_local_view()
+    sig_edges = [e for e in view.edges if e.kind == "signal"]
+    assert len(sig_edges) == 1
+    assert sig_edges[0].weight == 3.0
+    assert sig_edges[0].source_fingerprint == peer_fp
+    assert sig_edges[0].target_fingerprint == federation.node_fingerprint()
+    assert view.stats["signals_buffered_24h"] == 3
+    assert view.stats["distinct_signal_hashes_24h"] == 3
+
+
+def test_local_view_blocked_peer_renders_with_blocked_status(fresh_db, fed_dir):
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("blocked.example", fp, pem, status="blocked")
+    view = build_local_view()
+    peer = next(n for n in view.nodes if not n.is_self)
+    assert peer.status == "blocked"
+
+
+# ---------- public view + signature round-trip --------------------------
+
+def test_public_view_excludes_unknown_and_blocked(fresh_db, fed_dir):
+    fp_t, pem_t = _make_peer_pubkey()
+    fp_u, pem_u = _make_peer_pubkey()
+    fp_b, pem_b = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp_t, pem_t, status="trusted")
+    federation.register_peer("unknown.example", fp_u, pem_u, status="unknown")
+    federation.register_peer("blocked.example", fp_b, pem_b, status="blocked")
+
+    payload = build_public_view()
+    fps = {p["fingerprint"] for p in payload["peers"]}
+    assert fp_t in fps
+    assert fp_u not in fps
+    assert fp_b not in fps
+
+
+def test_public_view_signature_round_trip(fresh_db, fed_dir):
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp, pem, status="trusted")
+    federation.issue_vouch(fp, ttl_days=30)
+    payload = build_public_view()
+
+    assert "signature" in payload
+    assert payload["fingerprint"] == federation.node_fingerprint()
+
+    sig = base64.b64decode(payload["signature"])
+    unsigned = {k: v for k, v in payload.items() if k != "signature"}
+    assert federation.verify_payload(
+        federation.canonical_json(unsigned),
+        sig,
+        federation.public_key_pem(),
+    ) is True
+
+    # Vouch we issued is in the payload.
+    targets = {v["target_fingerprint"] for v in payload["vouches"]}
+    assert fp in targets
+
+
+def test_public_view_omits_signals(fresh_db, fed_dir):
+    """Public payload must not leak who's reporting what."""
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp, pem, status="trusted")
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="ioc",
+        signal_id="1.2.3.4",
+        signal_hash="secret-hash",
+        received_at=datetime.now(timezone.utc).isoformat(),
+        raw_json="{}",
+    ))
+    payload = build_public_view()
+    # No signal-shaped fields anywhere in the payload.
+    flat = str(payload)
+    assert "secret-hash" not in flat
+    assert "signals" not in payload
+
+
+# ---------- transitive view ---------------------------------------------
+
+def test_transitive_view_adds_distance_2_nodes(fresh_db, fed_dir):
+    direct_fp, direct_pem = _make_peer_pubkey()
+    federation.register_peer("direct.example", direct_fp, direct_pem, status="trusted")
+    # The peer reports two peers of its own.
+    far_fp_a, _ = _make_peer_pubkey()
+    far_fp_b, _ = _make_peer_pubkey()
+    fake_payload: Dict[str, Any] = {
+        "fingerprint": direct_fp,
+        "peers": [
+            {"fingerprint": far_fp_a, "domain": "far-a.example"},
+            {"fingerprint": far_fp_b, "domain": "far-b.example"},
+        ],
+        "vouches": [],
+    }
+    with patch.object(network_view, "_fetch_peer_network", return_value=fake_payload):
+        view = build_transitive_view(force_refresh=True)
+
+    distances = sorted(n.distance for n in view.nodes)
+    assert 0 in distances and 1 in distances and 2 in distances
+    transitive_fps = {n.fingerprint for n in view.nodes if n.distance == 2}
+    assert far_fp_a in transitive_fps
+    assert far_fp_b in transitive_fps
+    # "knows" edges from direct peer to each transitive.
+    knows = [e for e in view.edges if e.kind == "knows"]
+    assert len(knows) == 2
+    assert all(e.source_fingerprint == direct_fp for e in knows)
+    assert view.stats["transitive_nodes"] == 2
+
+
+def test_transitive_view_failed_fetch_does_not_abort(fresh_db, fed_dir):
+    fp_a, pem_a = _make_peer_pubkey()
+    fp_b, pem_b = _make_peer_pubkey()
+    federation.register_peer("peer-a.example", fp_a, pem_a, status="trusted")
+    federation.register_peer("peer-b.example", fp_b, pem_b, status="trusted")
+
+    far_fp, _ = _make_peer_pubkey()
+
+    def fake_fetch(domain, timeout=4.0):
+        if domain == "peer-a.example":
+            return None  # simulate a fetch failure
+        return {
+            "fingerprint": fp_b,
+            "peers": [{"fingerprint": far_fp, "domain": "far.example"}],
+            "vouches": [],
+        }
+
+    with patch.object(network_view, "_fetch_peer_network", side_effect=fake_fetch):
+        view = build_transitive_view(force_refresh=True)
+    # Direct nodes both present, transitive only from B.
+    assert any(n.fingerprint == fp_a for n in view.nodes)
+    assert any(n.fingerprint == fp_b for n in view.nodes)
+    assert any(n.fingerprint == far_fp and n.distance == 2 for n in view.nodes)
+    assert view.stats["transitive_nodes"] == 1
+
+
+def test_transitive_view_skips_only_unknown_peers(fresh_db, fed_dir):
+    """Unknown peers shouldn't be queried — fetcher only called for trusted."""
+    fp_unknown, pem_u = _make_peer_pubkey()
+    fp_trusted, pem_t = _make_peer_pubkey()
+    federation.register_peer("unknown.example", fp_unknown, pem_u, status="unknown")
+    federation.register_peer("trusted.example", fp_trusted, pem_t, status="trusted")
+
+    calls = []
+
+    def fake_fetch(domain, timeout=4.0):
+        calls.append(domain)
+        return None
+
+    with patch.object(network_view, "_fetch_peer_network", side_effect=fake_fetch):
+        build_transitive_view(force_refresh=True)
+
+    assert "trusted.example" in calls
+    assert "unknown.example" not in calls
+
+
+# ---------- admin view: per-peer enrichment + corroboration + timeline ---
+
+def _no_transitive():
+    """patch.object helper — silence network fetches in admin-view tests."""
+    return patch.object(network_view, "_fetch_peer_network", return_value=None)
+
+
+def test_admin_view_includes_stats_on_peer_nodes(fresh_db, fed_dir):
+    """Every non-self node must carry a `stats` dict in the admin view."""
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", fp, pem, status="trusted")
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    self_nodes = [n for n in view["nodes"] if n["is_self"]]
+    peer_nodes = [n for n in view["nodes"] if not n["is_self"]]
+    assert len(self_nodes) == 1
+    assert len(peer_nodes) == 1
+    # Self has no stats; peers do.
+    assert self_nodes[0]["stats"] is None
+    peer_stats = peer_nodes[0]["stats"]
+    assert isinstance(peer_stats, dict)
+    for key in (
+        "signals_24h", "signals_total", "cases_24h", "iocs_24h",
+        "severity_breakdown", "ioc_type_breakdown",
+        "vouches_in_count", "vouches_out_count",
+        "quorum_contribution", "last_seen", "last_seen_relative",
+        "recent_translog",
+    ):
+        assert key in peer_stats, f"missing {key}"
+    # last_seen is None when no signals have landed yet.
+    assert peer_stats["last_seen"] is None
+    assert peer_stats["last_seen_relative"] == "—"
+
+
+def test_admin_view_signals_24h_excludes_stale(fresh_db, fed_dir):
+    """signals_24h must count only rows inside the 24h window."""
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", fp, pem, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    stale_iso = (datetime.now(timezone.utc) - timedelta(hours=30)).isoformat()
+    for i in range(3):
+        db.record_signal(dict(
+            peer_fingerprint=fp,
+            signal_type="ioc",
+            signal_id=f"v{i}",
+            signal_hash=f"h{i}",
+            received_at=now_iso,
+            raw_json="{}",
+        ))
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="ioc",
+        signal_id="stale",
+        signal_hash="stale-hash",
+        received_at=stale_iso,
+        raw_json="{}",
+    ))
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    peer = next(n for n in view["nodes"] if not n["is_self"])
+    assert peer["stats"]["signals_24h"] == 3
+    # All-time total still sees the stale row.
+    assert peer["stats"]["signals_total"] == 4
+    # last_seen is populated and the relative is a short string.
+    assert peer["stats"]["last_seen"] is not None
+    assert peer["stats"]["last_seen_relative"] != "—"
+
+
+def test_admin_view_severity_and_ioc_breakdown_from_raw_json(fresh_db, fed_dir):
+    """severity_breakdown is read from raw_json for case rows, ioc_type for ioc rows."""
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", fp, pem, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    cases = [
+        {"severity": "critical", "case_id": "c1"},
+        {"severity": "critical", "case_id": "c2"},
+        {"severity": "high", "case_id": "c3"},
+        {"severity": "low", "case_id": "c4"},
+    ]
+    for c in cases:
+        db.record_signal(dict(
+            peer_fingerprint=fp,
+            signal_type="case",
+            signal_id=c["case_id"],
+            signal_hash=f"hash-{c['case_id']}",
+            received_at=now_iso,
+            raw_json=json.dumps(c),
+        ))
+    iocs = [
+        {"type": "url", "value": "https://a"},
+        {"type": "url", "value": "https://b"},
+        {"type": "domain", "value": "x.com"},
+        {"type": "ip", "value": "1.2.3.4"},
+    ]
+    for ioc in iocs:
+        db.record_signal(dict(
+            peer_fingerprint=fp,
+            signal_type="ioc",
+            signal_id=ioc["value"],
+            signal_hash=f"hash-{ioc['value']}",
+            received_at=now_iso,
+            raw_json=json.dumps(ioc),
+        ))
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    stats = next(n for n in view["nodes"] if not n["is_self"])["stats"]
+    assert stats["cases_24h"] == 4
+    assert stats["iocs_24h"] == 4
+    sev = stats["severity_breakdown"]
+    assert sev == {"critical": 2, "high": 1, "medium": 0, "low": 1}
+    ioc_t = stats["ioc_type_breakdown"]
+    assert ioc_t == {"url": 2, "domain": 1, "ip": 1, "hash": 0, "cve": 0}
+
+
+def test_admin_view_vouch_in_out_counts(fresh_db, fed_dir):
+    """vouches_in_count counts vouches naming this peer; out counts what they've issued."""
+    fp_a, pem_a = _make_peer_pubkey()
+    fp_b, pem_b = _make_peer_pubkey()
+    federation.register_peer("a.example", fp_a, pem_a, status="trusted")
+    federation.register_peer("b.example", fp_b, pem_b, status="trusted")
+    now = datetime.now(timezone.utc).isoformat()
+    # A vouches for B; we vouch for B too — B sees vouches_in=2.
+    db.upsert_vouch(dict(
+        voucher_fingerprint=fp_a,
+        target_fingerprint=fp_b,
+        issued_at=now, expires_at=None, signature="x",
+    ))
+    federation.issue_vouch(fp_b, ttl_days=30)
+    # B vouches for A — A sees vouches_in=1, B sees vouches_out=1.
+    db.upsert_vouch(dict(
+        voucher_fingerprint=fp_b,
+        target_fingerprint=fp_a,
+        issued_at=now, expires_at=None, signature="y",
+    ))
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    by_fp = {n["fingerprint"]: n for n in view["nodes"] if not n["is_self"]}
+    assert by_fp[fp_a]["stats"]["vouches_in_count"] == 1
+    assert by_fp[fp_a]["stats"]["vouches_out_count"] == 1  # vouches for B
+    assert by_fp[fp_b]["stats"]["vouches_in_count"] == 2   # A + us
+    assert by_fp[fp_b]["stats"]["vouches_out_count"] == 1  # vouches for A
+
+
+def test_admin_view_corroborated_signals(fresh_db, fed_dir):
+    """Pairs of peers reporting the same signal_hash → corroborated entry + edge."""
+    fp_a, pem_a = _make_peer_pubkey()
+    fp_b, pem_b = _make_peer_pubkey()
+    federation.register_peer("a.example", fp_a, pem_a, status="trusted")
+    federation.register_peer("b.example", fp_b, pem_b, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    for peer_fp in (fp_a, fp_b):
+        db.record_signal(dict(
+            peer_fingerprint=peer_fp,
+            signal_type="ioc",
+            signal_id="evil.com",
+            signal_hash="shared-hash-1",
+            received_at=now_iso,
+            raw_json="{}",
+        ))
+    # A also reports a hash B doesn't — should NOT corroborate.
+    db.record_signal(dict(
+        peer_fingerprint=fp_a,
+        signal_type="ioc",
+        signal_id="solo.com",
+        signal_hash="solo-hash",
+        received_at=now_iso,
+        raw_json="{}",
+    ))
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    corr = view["stats"]["corroborated_signals"]
+    hashes = {c["signal_hash"] for c in corr}
+    assert "shared-hash-1" in hashes
+    assert "solo-hash" not in hashes
+    shared = next(c for c in corr if c["signal_hash"] == "shared-hash-1")
+    assert set(shared["peer_fingerprints"]) == {fp_a, fp_b}
+    assert shared["peer_count"] == 2
+
+    # One corroborate edge between the pair (orientation-independent).
+    corr_edges = [e for e in view["edges"] if e["kind"] == "corroborate"]
+    assert len(corr_edges) == 1
+    pair = {corr_edges[0]["source_fingerprint"], corr_edges[0]["target_fingerprint"]}
+    assert pair == {fp_a, fp_b}
+    assert corr_edges[0]["weight"] == 1.0
+
+
+def test_admin_view_signal_timeline_24h_returns_24_buckets(fresh_db, fed_dir):
+    """signal_timeline_24h is a 24-bucket list with correct totals."""
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("peer.example", fp, pem, status="trusted")
+    now = datetime.now(timezone.utc)
+    # Two signals one hour ago, three signals five hours ago.
+    one_h = (now - timedelta(hours=1, minutes=5)).isoformat()
+    five_h = (now - timedelta(hours=5, minutes=5)).isoformat()
+    for i in range(2):
+        db.record_signal(dict(
+            peer_fingerprint=fp,
+            signal_type="ioc",
+            signal_id=f"a{i}",
+            signal_hash=f"h-a-{i}",
+            received_at=one_h,
+            raw_json="{}",
+        ))
+    for i in range(3):
+        db.record_signal(dict(
+            peer_fingerprint=fp,
+            signal_type="ioc",
+            signal_id=f"b{i}",
+            signal_hash=f"h-b-{i}",
+            received_at=five_h,
+            raw_json="{}",
+        ))
+    # Stale signal — must NOT show up.
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="ioc",
+        signal_id="stale",
+        signal_hash="stale-hash",
+        received_at=(now - timedelta(hours=48)).isoformat(),
+        raw_json="{}",
+    ))
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    buckets = view["stats"]["signal_timeline_24h"]
+    assert isinstance(buckets, list)
+    assert len(buckets) == 24
+    totals = [b["total"] for b in buckets]
+    assert sum(totals) == 5  # stale excluded
+    # Bucket hour_offsets are 0..23 in oldest-first order.
+    assert [b["hour_offset"] for b in buckets] == list(range(24))
+
+
+def test_admin_view_quorum_contribution(fresh_db, fed_dir):
+    """quorum_contribution counts this peer's distinct hashes that are quorum-met."""
+    fp_a, pem_a = _make_peer_pubkey()
+    fp_b, pem_b = _make_peer_pubkey()
+    federation.register_peer("a.example", fp_a, pem_a, status="trusted")
+    federation.register_peer("b.example", fp_b, pem_b, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    # Shared hash → both peers report it → quorum-met (default k=2).
+    for peer_fp in (fp_a, fp_b):
+        db.record_signal(dict(
+            peer_fingerprint=peer_fp,
+            signal_type="ioc",
+            signal_id="shared",
+            signal_hash="quorum-hash",
+            received_at=now_iso,
+            raw_json="{}",
+        ))
+    # Solo hash from A → not quorum-met.
+    db.record_signal(dict(
+        peer_fingerprint=fp_a,
+        signal_type="ioc",
+        signal_id="solo",
+        signal_hash="solo-hash",
+        received_at=now_iso,
+        raw_json="{}",
+    ))
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    by_fp = {n["fingerprint"]: n for n in view["nodes"] if not n["is_self"]}
+    assert by_fp[fp_a]["stats"]["quorum_contribution"] == 1
+    assert by_fp[fp_b]["stats"]["quorum_contribution"] == 1
+
+
+def test_admin_view_recent_translog_per_peer(fresh_db, fed_dir):
+    """recent_translog lists entries where entry_data.peer_fingerprint matches."""
+    fp_a, pem_a = _make_peer_pubkey()
+    fp_b, pem_b = _make_peer_pubkey()
+    federation.register_peer("a.example", fp_a, pem_a, status="trusted")
+    federation.register_peer("b.example", fp_b, pem_b, status="trusted")
+    # Append translog rows that name each peer.
+    translog.append("signal", {"peer_fingerprint": fp_a, "signal_type": "ioc", "signal_id": "x"})
+    translog.append("signal", {"peer_fingerprint": fp_b, "signal_type": "case", "signal_id": "y"})
+    translog.append("signal", {"peer_fingerprint": fp_a, "signal_type": "case", "signal_id": "z"})
+    with _no_transitive():
+        view = build_admin_view(include_transitive=False)
+    by_fp = {n["fingerprint"]: n for n in view["nodes"] if not n["is_self"]}
+    a_log = by_fp[fp_a]["stats"]["recent_translog"]
+    b_log = by_fp[fp_b]["stats"]["recent_translog"]
+    assert len(a_log) == 2
+    assert len(b_log) == 1
+    # Each row carries the documented shape.
+    for row in a_log + b_log:
+        assert set(row.keys()) == {"id", "entry_type", "timestamp", "hash"}
+
+
+def test_explore_view_omits_ioc_values_case_ids_and_raw_json(fresh_db, fed_dir):
+    """The public explore payload must NEVER expose IOC values, case_ids, or raw_json.
+
+    This is the load-bearing transparency-vs-leakage contract that lives at
+    the network-view layer — anyone can audit who's talking to whom and how
+    much, but never *what* they're saying.
+    """
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp, pem, status="trusted")
+    now_iso = datetime.now(timezone.utc).isoformat()
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="ioc",
+        signal_id="evil-domain-do-not-leak.com",
+        signal_hash="ioc-hash-leak",
+        received_at=now_iso,
+        raw_json=json.dumps({"type": "domain", "value": "evil-domain-do-not-leak.com"}),
+    ))
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="case",
+        signal_id="CASE-SECRET-42",
+        signal_hash="case-hash-leak",
+        received_at=now_iso,
+        raw_json=json.dumps({"severity": "critical", "case_id": "CASE-SECRET-42"}),
+    ))
+    with patch.object(network_view, "_fetch_peer_explore", return_value=None), \
+         patch.object(network_view, "_fetch_peer_network", return_value=None):
+        payload = build_explore_view()
+    flat = json.dumps(payload, default=str)
+    assert "evil-domain-do-not-leak.com" not in flat
+    assert "CASE-SECRET-42" not in flat
+    assert "raw_json" not in flat
+    # Sector-leaking breakdowns must not appear either.
+    assert "severity_breakdown" not in flat
+    assert "ioc_type_breakdown" not in flat
+    # And peer rows carry only public-safe counts.
+    for p in payload.get("peers", []):
+        assert "severity_breakdown" not in p
+        assert "ioc_type_breakdown" not in p
+        assert "recent_translog" not in p
+
+
+def test_public_view_still_has_no_stats(fresh_db, fed_dir):
+    """Public payload must not surface admin-only enrichments — sensitive.
+
+    Even after `build_admin_view` has been invoked (which mutates node.stats
+    on the cached transitive view), the public view path must stay clean.
+    """
+    fp, pem = _make_peer_pubkey()
+    federation.register_peer("trusted.example", fp, pem, status="trusted")
+    # Seed signals + corroborated hash so admin view has rich state.
+    now_iso = datetime.now(timezone.utc).isoformat()
+    db.record_signal(dict(
+        peer_fingerprint=fp,
+        signal_type="ioc",
+        signal_id="leak",
+        signal_hash="leak-hash",
+        received_at=now_iso,
+        raw_json=json.dumps({"type": "url", "value": "https://leak"}),
+    ))
+    # Build admin view first so any caching kicks in.
+    with _no_transitive():
+        build_admin_view(include_transitive=False)
+    # Now build the public view and assert no admin-only fields leak.
+    payload = build_public_view()
+    flat = json.dumps(payload, default=str)
+    assert "signals_24h" not in flat
+    assert "severity_breakdown" not in flat
+    assert "corroborated_signals" not in flat
+    assert "signal_timeline_24h" not in flat
+    assert "recent_translog" not in flat
+    assert "leak-hash" not in flat
+    # Peer entries in the public view never carry a `stats` field.
+    for p in payload.get("peers", []):
+        assert "stats" not in p

tests/test_pulse_respond.py

@@ -0,0 +1,314 @@
+"""Pulseline auto-response gating — severity threshold, quorum, local-only.
+
+The runner here is the live `_run_respond` from pulse.py. We point it at a
+temp DB, monkeypatch federation.is_quorum_met to a controllable function, and
+swap respond.execute_action for a counter so we don't reach the SOAR sink.
+"""
+
+from __future__ import annotations
+
+from datetime import datetime, timezone
+from typing import List, Tuple
+
+import pytest
+from sqlalchemy import create_engine
+
+from psyc import db
+from psyc.lines import pulse, respond
+from psyc.lines import federation
+from psyc.models import (
+    ActionStatus,
+    ActionType,
+    Case,
+    Classification,
+    Observables,
+    ResponseAction,
+    Severity,
+    TLP,
+)
+from psyc.result import Ok
+
+from conftest import make_case
+
+
+# ----- fixtures --------------------------------------------------------------
+
+@pytest.fixture
+def fresh_db(tmp_path, monkeypatch):
+    """Temp SQLite + the real runner registry. Mode pinned to auto-execute."""
+    test_db = tmp_path / "respond.db"
+    eng = create_engine(f"sqlite:///{test_db}", future=True)
+    db._metadata.create_all(eng, checkfirst=True)
+    monkeypatch.setattr(db, "_engine", eng)
+    monkeypatch.setattr(db, "DB_PATH", test_db)
+    yield test_db
+
+
+@pytest.fixture
+def fired(monkeypatch):
+    """Capture every execute_action(action_id, approver=...) — no SOAR sink call."""
+    log: List[Tuple[int, str]] = []
+
+    def fake_execute(action_id: int, approver: str = "operator"):
+        log.append((action_id, approver))
+        # Re-read the action so we can return a realistic Ok value
+        got = respond.get_action(action_id)
+        return got if isinstance(got, Ok) else got
+
+    monkeypatch.setattr(respond, "execute_action", fake_execute)
+    return log
+
+
+@pytest.fixture
+def quorum_yes(monkeypatch):
+    monkeypatch.setattr(federation, "is_quorum_met",
+                        lambda h, k=None: True, raising=False)
+
+
+@pytest.fixture
+def quorum_no(monkeypatch):
+    monkeypatch.setattr(federation, "is_quorum_met",
+                        lambda h, k=None: False, raising=False)
+
+
+def _set_respond_mode(mode: pulse.PulseMode) -> None:
+    pulse.set_mode("respond", mode)
+
+
+def _propose_one(case: Case) -> int:
+    db.upsert_case(case)
+    ids = respond.propose_for_case(case)
+    assert ids, "test setup expected at least one action proposed"
+    return ids[0]
+
+
+# ----- severity rank ---------------------------------------------------------
+
+def test_severity_rank_ordering():
+    assert pulse._severity_rank(Severity.LOW) == 0
+    assert pulse._severity_rank(Severity.MEDIUM) == 1
+    assert pulse._severity_rank(Severity.HIGH) == 2
+    assert pulse._severity_rank(Severity.CRITICAL) == 3
+    assert pulse._severity_rank(None) == -1
+
+
+# ----- runner mode gating ----------------------------------------------------
+
+def test_runner_no_auto_fire_when_mode_is_propose(fresh_db, fired, quorum_yes):
+    case = make_case(feed="feodo", ips=["9.9.9.9"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    # default seed mode for respond is auto-propose → no auto-fire even with PROPOSED actions
+    result = pulse._run_respond()
+    assert "no auto-fire" in result
+    assert fired == []
+
+
+def test_runner_no_auto_fire_when_manual(fresh_db, fired, quorum_yes):
+    case = make_case(feed="feodo", ips=["9.9.9.9"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    _set_respond_mode(pulse.PulseMode.MANUAL)
+    result = pulse._run_respond()
+    assert "no auto-fire" in result
+    assert fired == []
+
+
+# ----- severity threshold ----------------------------------------------------
+
+def test_below_threshold_is_skipped(fresh_db, fired, quorum_yes):
+    # Propose an action carrying severity=MEDIUM by hand — propose_for_case
+    # only generates HIGH/CRITICAL actions, but the gate must still work for
+    # any below-threshold severity we drop in.
+    case = make_case(feed="feodo", ips=["9.9.9.9"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    respond.propose_for_case(case)
+    # Demote every action's severity to MEDIUM so all should be skipped under HIGH threshold.
+    from sqlalchemy import update as sa_update
+    with db.engine().begin() as conn:
+        conn.execute(sa_update(db.response_actions).values(severity=Severity.MEDIUM.value))
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+
+    pulse._run_respond()
+    assert fired == [], "below-threshold action must not fire"
+    audit = db.pulse_audit_recent("respond", limit=5)
+    assert any(r["action"] == "skipped" and "below threshold" in (r["detail"] or "") for r in audit)
+
+
+# ----- quorum gate -----------------------------------------------------------
+
+def test_federation_case_no_quorum_skipped(fresh_db, fired, quorum_no):
+    case = make_case(feed="urlhaus", ips=["9.9.9.9"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    # Mark this case as federation-sourced by inserting a signal row for it.
+    db.record_signal(dict(
+        peer_fingerprint="peer-a",
+        signal_type="case",
+        signal_id=case.case_id,
+        signal_hash="dummyhash",
+        received_at=datetime.now(timezone.utc).isoformat(),
+        raw_json="{}",
+    ))
+    respond.propose_for_case(case)
+
+    pulse.set_respond_require_quorum(True)
+    pulse.set_respond_local_only(False)
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+
+    pulse._run_respond()
+    assert fired == []
+    audit = db.pulse_audit_recent("respond", limit=5)
+    assert any(r["action"] == "skipped" and "no quorum" in (r["detail"] or "") for r in audit)
+
+
+def test_local_case_fires_when_quorum_required(fresh_db, fired, quorum_no):
+    """Locally-generated cases bypass quorum — they're our own work."""
+    case = make_case(feed="urlhaus", ips=["9.9.9.9"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    # No federation_signals row → locally-generated
+    respond.propose_for_case(case)
+
+    pulse.set_respond_require_quorum(True)
+    pulse.set_respond_local_only(True)  # both armed; local cases still fire
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+
+    pulse._run_respond()
+    assert len(fired) >= 1
+    audit = db.pulse_audit_recent("respond", limit=10)
+    assert any(r["action"] == "auto-fire" for r in audit)
+
+
+def test_local_case_fires_local_only_off(fresh_db, fired, quorum_no):
+    """Even with local_only OFF, a locally-generated case still fires (no quorum needed)."""
+    case = make_case(feed="urlhaus", ips=["1.1.1.1"], severity=Severity.CRITICAL)
+    db.upsert_case(case)
+    respond.propose_for_case(case)
+
+    pulse.set_respond_require_quorum(True)
+    pulse.set_respond_local_only(False)
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+
+    pulse._run_respond()
+    assert len(fired) >= 1
+
+
+def test_federation_case_with_quorum_fires(fresh_db, fired, quorum_yes):
+    case = make_case(feed="urlhaus", ips=["2.2.2.2"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    db.record_signal(dict(
+        peer_fingerprint="peer-b",
+        signal_type="case",
+        signal_id=case.case_id,
+        signal_hash="dummyhash2",
+        received_at=datetime.now(timezone.utc).isoformat(),
+        raw_json="{}",
+    ))
+    respond.propose_for_case(case)
+
+    pulse.set_respond_require_quorum(True)
+    pulse.set_respond_local_only(False)
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+
+    pulse._run_respond()
+    assert len(fired) >= 1
+
+
+def test_quorum_off_fires_federation_case(fresh_db, fired, quorum_no):
+    """With quorum gating disabled entirely, federation cases fire too."""
+    case = make_case(feed="urlhaus", ips=["3.3.3.3"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    db.record_signal(dict(
+        peer_fingerprint="peer-c",
+        signal_type="case",
+        signal_id=case.case_id,
+        signal_hash="dummyhash3",
+        received_at=datetime.now(timezone.utc).isoformat(),
+        raw_json="{}",
+    ))
+    respond.propose_for_case(case)
+
+    pulse.set_respond_require_quorum(False)
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+
+    pulse._run_respond()
+    assert len(fired) >= 1
+
+
+# ----- kill switch -----------------------------------------------------------
+
+def test_kill_switch_blocks_tick(fresh_db, fired, quorum_yes):
+    """The parent tick() skips everything when kill switch is armed."""
+    case = make_case(feed="feodo", ips=["9.9.9.9"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    respond.propose_for_case(case)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+    pulse.set_kill_switch(True)
+    results = pulse.tick()
+    assert all(o == "skipped" for _, o, _ in results)
+    assert fired == []
+
+
+# ----- audit -----------------------------------------------------------------
+
+def test_pulse_audit_records_fire_and_skip(fresh_db, fired, quorum_no):
+    # Local case → should fire and audit auto-fire
+    local = make_case(feed="urlhaus", ips=["10.0.0.1"], severity=Severity.HIGH, age_days=1)
+    db.upsert_case(local)
+    respond.propose_for_case(local)
+
+    # Federation-sourced case w/o quorum → should skip and audit skip
+    fedcase = make_case(feed="urlhaus", ips=["10.0.0.2"], severity=Severity.HIGH, age_days=2)
+    db.upsert_case(fedcase)
+    db.record_signal(dict(
+        peer_fingerprint="peer-x",
+        signal_type="case",
+        signal_id=fedcase.case_id,
+        signal_hash="xhash",
+        received_at=datetime.now(timezone.utc).isoformat(),
+        raw_json="{}",
+    ))
+    respond.propose_for_case(fedcase)
+
+    pulse.set_respond_require_quorum(True)
+    pulse.set_respond_local_only(False)
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+    pulse._run_respond()
+
+    audit = db.pulse_audit_recent("respond", limit=20)
+    actions = {r["action"] for r in audit}
+    assert "auto-fire" in actions
+    assert "skipped" in actions
+
+
+def test_audit_count_since(fresh_db, fired, quorum_no):
+    case = make_case(feed="urlhaus", ips=["8.8.8.8"], severity=Severity.HIGH)
+    db.upsert_case(case)
+    respond.propose_for_case(case)
+    pulse.set_respond_require_quorum(True)
+    pulse.set_respond_auto_threshold(Severity.HIGH)
+    _set_respond_mode(pulse.PulseMode.AUTO_EXECUTE)
+    pulse._run_respond()
+    from datetime import timedelta
+    since = (datetime.now(timezone.utc) - timedelta(hours=1)).isoformat()
+    assert db.pulse_audit_count_since("respond", "auto-fire", since) >= 1
+
+
+# ----- config round-trip -----------------------------------------------------
+
+def test_config_round_trips(fresh_db):
+    assert pulse.respond_auto_threshold() == Severity.HIGH
+    assert pulse.respond_require_quorum() is True
+    assert pulse.respond_local_only() is False
+
+    pulse.set_respond_auto_threshold(Severity.CRITICAL)
+    pulse.set_respond_require_quorum(False)
+    pulse.set_respond_local_only(True)
+
+    assert pulse.respond_auto_threshold() == Severity.CRITICAL
+    assert pulse.respond_require_quorum() is False
+    assert pulse.respond_local_only() is True

tests/test_topology_export.py

@@ -0,0 +1,313 @@
+"""Topology export — whitelist sanitization + endpoint contract.
+
+The big invariant: nothing from docker_view.topology() escapes that isn't
+in the Pydantic schema. We assert via model_fields introspection AND via a
+JSON-dump scan over a fixture that contains every dangerous field.
+"""
+
+from __future__ import annotations
+
+import json
+from typing import Any, Dict, List
+from unittest.mock import patch
+
+import pytest
+from fastapi import FastAPI
+from fastapi.templating import Jinja2Templates
+from fastapi.testclient import TestClient
+from sqlalchemy import create_engine
+from starlette.middleware.sessions import SessionMiddleware
+
+from psyc import db
+from psyc.cockpit import docker_view, federation_routes
+from psyc.lines import federation, topology_export
+from psyc.lines.topology_export import (
+    TopologyContainer,
+    TopologyExport,
+    TopologyNetwork,
+    _filter_image_name,
+    build_export,
+)
+
+
+# ---------- fixtures ----------------------------------------------------
+
+@pytest.fixture
+def fresh_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    eng = create_engine(f"sqlite:///{test_db}", future=True)
+    db._metadata.create_all(eng, checkfirst=True)
+    monkeypatch.setattr(db, "_engine", eng)
+    monkeypatch.setattr(db, "DB_PATH", test_db)
+    yield test_db
+
+
+@pytest.fixture
+def fed_dir(tmp_path, monkeypatch):
+    d = tmp_path / "federation"
+    monkeypatch.setattr(federation, "FED_DIR", d)
+    monkeypatch.setattr(federation, "PRIVATE_KEY_PATH", d / "node.key")
+    monkeypatch.setattr(federation, "PUBLIC_KEY_PATH", d / "node.pub")
+    yield d
+
+
+@pytest.fixture(autouse=True)
+def reset_topology_cache():
+    if hasattr(federation_routes, "_TOPOLOGY_CACHE"):
+        federation_routes._TOPOLOGY_CACHE["payload"] = None
+        federation_routes._TOPOLOGY_CACHE["ts"] = 0.0
+    yield
+
+
+# ---------- fixture data: hostile docker_view output --------------------
+
+# This payload has every leaky field docker_view *could* surface, plus
+# nested env-style data — used to prove the export is whitelist-only.
+_LEAKY_TOPOLOGY: Dict[str, Any] = {
+    "containers": [
+        {
+            "id": "abcdef1234567890ffff",
+            "name": "psyc-cockpit-1",
+            "image": "registry.example/psyc:1.2",
+            "state": "running",
+            "status": "Up 5 minutes (healthy)",
+            "networks": [
+                {"name": "backend", "ip": "172.20.0.5", "gateway": "172.20.0.1", "mac": "02:42:ac:14:00:05"},
+                {"name": "frontend", "ip": "172.21.0.7", "gateway": "172.21.0.1", "mac": "02:42:ac:15:00:07"},
+            ],
+            "ports": ["0.0.0.0:8767->8767/tcp"],
+            "published_ports": ["8767/tcp"],
+            # These are NOT current docker_view fields but defend in depth —
+            # if a future docker_view change adds them, sanitizer drops them.
+            "env": ["SECRET_TOKEN=abc123", "DB_PASSWORD=hunter2"],
+            "mounts": ["/var/run/docker.sock", "/etc/secrets:/secrets"],
+            "labels": {"com.docker.compose.project": "psyc", "secret_label": "shh"},
+        },
+        {
+            "id": "fedcba0987654321",
+            "name": "some-stopped",
+            "image": "alpine",
+            "state": "exited",
+            "status": "Exited (0) 2 hours ago",
+            "networks": [],
+            "ports": [],
+            "published_ports": [],
+        },
+    ],
+    "networks": [
+        {
+            "id": "n1", "name": "backend", "driver": "bridge", "scope": "local",
+            "internal": False, "subnet": "172.20.0.0/16", "gateway": "172.20.0.1",
+            "containers": [
+                {"id": "abcdef123456", "name": "psyc-cockpit-1", "ip": "172.20.0.5", "mac": "02:42:ac:14:00:05"},
+            ],
+        },
+        {
+            "id": "n2", "name": "internal-only", "driver": "bridge", "scope": "local",
+            "internal": True, "subnet": "10.99.0.0/16", "gateway": "10.99.0.1",
+            "containers": [],
+        },
+    ],
+    "host": {"name": "docker-host-secret-internal.example.com", "os": "linux", "ncpu": 8},
+    "error": None,
+    "proxy": "http://docker-socket-proxy:2375",
+}
+
+
+# Sensitive strings that MUST NOT appear anywhere in the export JSON.
+_FORBIDDEN_STRINGS = (
+    "SECRET_TOKEN", "DB_PASSWORD", "hunter2", "abc123",
+    "/var/run/docker.sock", "/etc/secrets",
+    "secret_label", "shh",
+    "172.20.0.5", "172.21.0.7",  # IPs
+    "02:42:ac",  # MAC prefix
+    "172.20.0.1",  # gateway
+    "172.20.0.0/16", "10.99.0.0/16",  # subnets
+    "0.0.0.0:8767",  # port mapping
+    "internal.example.com",  # full host
+)
+
+
+# ---------- model field introspection -----------------------------------
+
+def test_container_model_has_no_dangerous_fields():
+    fields = set(TopologyContainer.model_fields.keys())
+    # whitelist — must match the design contract exactly
+    assert fields == {
+        "name", "short_id", "image", "state", "health",
+        "networks", "service", "started_at",
+    }
+    # explicit deny-list, double-belt
+    for forbidden in ("env", "environment", "mounts", "volumes",
+                      "labels", "ip", "ip_address", "ipaddress",
+                      "ports", "published_ports", "mac", "gateway"):
+        assert forbidden not in fields, f"{forbidden} must not be a field"
+
+
+def test_network_model_has_no_dangerous_fields():
+    fields = set(TopologyNetwork.model_fields.keys())
+    assert fields == {"name", "driver", "internal", "container_count"}
+    for forbidden in ("subnet", "gateway", "labels", "ipam",
+                      "containers", "scope", "id"):
+        assert forbidden not in fields, f"{forbidden} must not be a field"
+
+
+def test_export_model_top_level_fields():
+    fields = set(TopologyExport.model_fields.keys())
+    assert fields == {
+        "node_fingerprint", "generated_at", "host_name",
+        "container_count", "network_count", "containers", "networks",
+    }
+
+
+# ---------- image-name filter -------------------------------------------
+
+def test_filter_image_strips_basic_auth_prefix():
+    # user:pass@host/repo:tag → host/repo:tag (creds gone)
+    assert _filter_image_name("user:pass@host/repo:tag") == "host/repo:tag"
+
+
+def test_filter_image_drops_digest_suffix():
+    assert _filter_image_name(
+        "nginx:1.25@sha256:abcdef0123"
+    ) == "nginx:1.25"
+
+
+def test_filter_image_passes_clean_refs_untouched():
+    assert _filter_image_name("psyc:latest") == "psyc:latest"
+    assert _filter_image_name(
+        "ghcr.io/example/psyc:v0.3.1"
+    ) == "ghcr.io/example/psyc:v0.3.1"
+
+
+def test_filter_image_handles_empty():
+    assert _filter_image_name("") == ""
+    assert _filter_image_name(None) == ""  # type: ignore[arg-type]
+
+
+# ---------- build_export contract ---------------------------------------
+
+def test_build_export_returns_empty_when_docker_view_raises(fresh_db, fed_dir, monkeypatch):
+    def boom():
+        raise docker_view.DockerProxyError("connection refused")
+    monkeypatch.setattr(docker_view, "topology", boom)
+    out = build_export()
+    assert isinstance(out, TopologyExport)
+    assert out.container_count == 0
+    assert out.containers == []
+    assert out.networks == []
+    # fingerprint is still real (federation key was generated)
+    assert len(out.node_fingerprint) == 32
+
+
+def test_build_export_returns_empty_when_docker_view_reports_error(fresh_db, fed_dir, monkeypatch):
+    monkeypatch.setattr(docker_view, "topology", lambda: {
+        "containers": [], "networks": [], "host": {"name": "x"},
+        "error": "containers: refused", "proxy": "x",
+    })
+    out = build_export()
+    assert out.container_count == 0
+    assert out.containers == []
+
+
+def test_build_export_sanitizes_every_field(fresh_db, fed_dir, monkeypatch):
+    monkeypatch.setattr(docker_view, "topology", lambda: _LEAKY_TOPOLOGY)
+    out = build_export()
+    # Containers came through, but as TopologyContainer (no leaky attrs).
+    assert out.container_count == 2
+    by_name = {c.name: c for c in out.containers}
+    cp = by_name["psyc-cockpit-1"]
+    assert cp.short_id == "abcdef123456"
+    assert cp.image == "registry.example/psyc:1.2"
+    assert cp.state == "running"
+    assert cp.health == "healthy"
+    assert cp.networks == ["backend", "frontend"]
+    assert cp.service is None
+    # Networks came through, sanitized.
+    assert out.network_count == 2
+    by_net = {n.name: n for n in out.networks}
+    assert by_net["backend"].driver == "bridge"
+    assert by_net["backend"].internal is False
+    assert by_net["backend"].container_count == 1
+    assert by_net["internal-only"].internal is True
+
+
+def test_export_json_contains_no_dangerous_strings(fresh_db, fed_dir, monkeypatch):
+    """Strict no-leak: serialize and grep for everything sensitive."""
+    monkeypatch.setattr(docker_view, "topology", lambda: _LEAKY_TOPOLOGY)
+    out = build_export()
+    blob = json.dumps(out.model_dump(mode="json"))
+    for forbidden in _FORBIDDEN_STRINGS:
+        assert forbidden not in blob, f"leak: {forbidden!r} appeared in export JSON"
+
+
+def test_build_export_caps_at_max_containers(fresh_db, fed_dir, monkeypatch):
+    fake = {
+        "containers": [
+            {"id": f"id{i:04d}", "name": f"c{i}", "image": "x", "state": "running", "status": "Up", "networks": []}
+            for i in range(topology_export.MAX_CONTAINERS + 50)
+        ],
+        "networks": [], "host": {"name": "h"}, "error": None, "proxy": "",
+    }
+    monkeypatch.setattr(docker_view, "topology", lambda: fake)
+    out = build_export()
+    assert out.container_count == topology_export.MAX_CONTAINERS
+
+
+# ---------- HTTP endpoint -----------------------------------------------
+
+def _mk_app() -> FastAPI:
+    app = FastAPI()
+    app.add_middleware(SessionMiddleware, secret_key="test-secret")
+    from pathlib import Path as _Path
+    here = _Path(__file__).resolve().parent.parent / "src" / "psyc" / "cockpit" / "templates"
+    templates = Jinja2Templates(directory=str(here))
+    federation_routes.register(app, templates)
+    return app
+
+
+def test_federation_topology_endpoint_returns_json_with_cors(fresh_db, fed_dir, monkeypatch):
+    monkeypatch.setattr(docker_view, "topology", lambda: _LEAKY_TOPOLOGY)
+    client = TestClient(_mk_app())
+    r = client.get("/federation/topology")
+    assert r.status_code == 200
+    assert r.headers.get("access-control-allow-origin") == "*"
+    data = r.json()
+    # Schema check.
+    for key in ("node_fingerprint", "generated_at", "host_name",
+                "container_count", "network_count", "containers", "networks"):
+        assert key in data
+    assert data["container_count"] == 2
+    assert len(data["containers"]) == 2
+    # No leaks in the wire response either.
+    blob = r.text
+    for forbidden in _FORBIDDEN_STRINGS:
+        assert forbidden not in blob, f"leak via endpoint: {forbidden!r}"
+
+
+def test_federation_topology_endpoint_resilient_when_docker_unavailable(fresh_db, fed_dir, monkeypatch):
+    def boom():
+        raise docker_view.DockerProxyError("proxy down")
+    monkeypatch.setattr(docker_view, "topology", boom)
+    client = TestClient(_mk_app())
+    r = client.get("/federation/topology")
+    assert r.status_code == 200
+    data = r.json()
+    assert data["container_count"] == 0
+    assert data["containers"] == []
+
+
+def test_federation_topology_cache_short_circuits_repeated_calls(fresh_db, fed_dir, monkeypatch):
+    """Within TTL, a second hit must not re-call docker_view."""
+    calls = {"n": 0}
+
+    def counted():
+        calls["n"] += 1
+        return _LEAKY_TOPOLOGY
+
+    monkeypatch.setattr(docker_view, "topology", counted)
+    client = TestClient(_mk_app())
+    r1 = client.get("/federation/topology")
+    r2 = client.get("/federation/topology")
+    assert r1.status_code == 200 and r2.status_code == 200
+    assert calls["n"] == 1, "cache should suppress the second docker_view call"

tests/test_translog.py

@@ -0,0 +1,118 @@
+"""Transparency log — append, verify, tamper detection, sync slices."""
+
+from __future__ import annotations
+
+import json
+
+import pytest
+from sqlalchemy import create_engine, update
+
+from psyc import db
+from psyc.lines import translog
+from psyc.lines.translog import GENESIS_PREV_HASH
+from psyc.result import Err, Ok
+
+
+@pytest.fixture
+def fresh_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    eng = create_engine(f"sqlite:///{test_db}", future=True)
+    db._metadata.create_all(eng, checkfirst=True)
+    monkeypatch.setattr(db, "_engine", eng)
+    monkeypatch.setattr(db, "DB_PATH", test_db)
+    yield test_db
+
+
+def test_first_append_uses_genesis_prev_hash(fresh_db):
+    e = translog.append("signal", {"x": 1})
+    assert e.prev_hash == GENESIS_PREV_HASH
+    assert e.id >= 1
+    assert e.entry_type == "signal"
+    assert e.entry_data == {"x": 1}
+    # head matches
+    h = translog.head()
+    assert h is not None
+    assert h.id == e.id
+    assert h.entry_hash == e.entry_hash
+
+
+def test_append_chains_prev_hash(fresh_db):
+    e1 = translog.append("signal", {"a": 1})
+    e2 = translog.append("signal", {"b": 2})
+    e3 = translog.append("vouch", {"c": 3})
+    assert e2.prev_hash == e1.entry_hash
+    assert e3.prev_hash == e2.entry_hash
+    head = translog.head()
+    assert head is not None
+    assert head.entry_hash == e3.entry_hash
+
+
+def test_verify_chain_ok_round_trip(fresh_db):
+    translog.append("signal", {"a": 1})
+    translog.append("signal", {"b": 2})
+    translog.append("vouch", {"c": 3})
+    result = translog.verify_chain()
+    assert isinstance(result, Ok)
+    assert result.value == 3
+
+
+def test_verify_chain_empty_returns_zero(fresh_db):
+    result = translog.verify_chain()
+    assert isinstance(result, Ok)
+    assert result.value == 0
+
+
+def test_verify_chain_detects_tampered_data(fresh_db):
+    e1 = translog.append("signal", {"a": 1})
+    e2 = translog.append("signal", {"b": 2})
+
+    # Mutate entry_data of the first row directly in the DB; entry_hash stays
+    # the same but no longer matches the recomputed hash.
+    with db.engine().begin() as conn:
+        conn.execute(
+            update(db.translog)
+            .where(db.translog.c.id == e1.id)
+            .values(entry_data=json.dumps({"a": 999}, sort_keys=True))
+        )
+
+    result = translog.verify_chain()
+    assert isinstance(result, Err)
+    assert "broken at id=" in result.reason
+
+
+def test_verify_chain_detects_tampered_prev_hash(fresh_db):
+    translog.append("signal", {"a": 1})
+    e2 = translog.append("signal", {"b": 2})
+    # Flip e2.prev_hash so it no longer matches e1.entry_hash.
+    with db.engine().begin() as conn:
+        conn.execute(
+            update(db.translog)
+            .where(db.translog.c.id == e2.id)
+            .values(prev_hash="f" * 64)
+        )
+    result = translog.verify_chain()
+    assert isinstance(result, Err)
+    assert "broken at id=" in result.reason
+
+
+def test_entries_after_returns_correct_slice(fresh_db):
+    e1 = translog.append("signal", {"a": 1})
+    e2 = translog.append("signal", {"b": 2})
+    e3 = translog.append("signal", {"c": 3})
+
+    after_zero = translog.entries_after(0)
+    assert [e.id for e in after_zero] == [e1.id, e2.id, e3.id]
+
+    after_e1 = translog.entries_after(e1.id)
+    assert [e.id for e in after_e1] == [e2.id, e3.id]
+
+    after_e3 = translog.entries_after(e3.id)
+    assert after_e3 == []
+
+
+def test_recent_newest_first(fresh_db):
+    e1 = translog.append("signal", {"a": 1})
+    e2 = translog.append("signal", {"b": 2})
+    e3 = translog.append("signal", {"c": 3})
+    recent = translog.recent(limit=10)
+    assert [e.id for e in recent] == [e3.id, e2.id, e1.id]

tests/test_vouching.py

@@ -0,0 +1,336 @@
+"""Vouching + quorum — sign/verify, threshold logic, import gate."""
+
+from __future__ import annotations
+
+import base64
+import hashlib
+from datetime import datetime, timedelta, timezone
+
+import pytest
+from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives.asymmetric import ed25519
+from sqlalchemy import create_engine
+
+from psyc import db
+from psyc.lines import federation
+from psyc.lines.federation import (
+    QuorumConfig,
+    Vouch,
+    accept_vouch,
+    build_signed_feed,
+    canonical_json,
+    import_signed_feed,
+    is_quorum_met,
+    is_vouched,
+    issue_vouch,
+    node_fingerprint,
+    our_vouches,
+    peer_is_listening_eligible,
+    public_key_pem,
+    quorum_config,
+    register_peer,
+    revoke_vouch,
+    set_quorum_config,
+    vouch_payload_bytes,
+)
+from psyc.result import Err, Ok
+
+
+@pytest.fixture
+def fresh_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    eng = create_engine(f"sqlite:///{test_db}", future=True)
+    db._metadata.create_all(eng, checkfirst=True)
+    monkeypatch.setattr(db, "_engine", eng)
+    monkeypatch.setattr(db, "DB_PATH", test_db)
+    yield test_db
+
+
+@pytest.fixture
+def fed_dir(tmp_path, monkeypatch):
+    d = tmp_path / "federation"
+    monkeypatch.setattr(federation, "FED_DIR", d)
+    monkeypatch.setattr(federation, "PRIVATE_KEY_PATH", d / "node.key")
+    monkeypatch.setattr(federation, "PUBLIC_KEY_PATH", d / "node.pub")
+    yield d
+
+
+def _make_peer():
+    """Generate an Ed25519 keypair + matching fingerprint for a fake peer."""
+    priv = ed25519.Ed25519PrivateKey.generate()
+    pub = priv.public_key()
+    pub_pem = pub.public_bytes(
+        encoding=serialization.Encoding.PEM,
+        format=serialization.PublicFormat.SubjectPublicKeyInfo,
+    ).decode("ascii")
+    raw = pub.public_bytes(
+        encoding=serialization.Encoding.Raw,
+        format=serialization.PublicFormat.Raw,
+    )
+    fp = hashlib.sha256(raw).digest()[:16].hex()
+    return priv, pub_pem, fp
+
+
+def _sign_vouch(priv, voucher_fp, target_fp, issued_at, expires_at):
+    payload = vouch_payload_bytes(voucher_fp, target_fp, issued_at, expires_at)
+    sig = priv.sign(payload)
+    return base64.b64encode(sig).decode("ascii")
+
+
+# ---------- self-issued vouch round-trip --------------------------------
+
+def test_issue_vouch_roundtrip(fresh_db, fed_dir):
+    target = "ab" * 16
+    v = issue_vouch(target, ttl_days=30)
+    assert v.voucher_fingerprint == node_fingerprint()
+    assert v.target_fingerprint == target
+    assert v.expires_at is not None
+    # round-trip from storage
+    listed = our_vouches()
+    assert len(listed) == 1
+    assert listed[0].target_fingerprint == target
+    assert listed[0].signature == v.signature
+    # signature verifies under our own pubkey
+    payload = vouch_payload_bytes(
+        v.voucher_fingerprint, v.target_fingerprint, v.issued_at, v.expires_at
+    )
+    sig = base64.b64decode(v.signature)
+    assert federation.verify_payload(payload, sig, public_key_pem())
+
+
+def test_revoke_vouch_removes_only_our_entry(fresh_db, fed_dir):
+    target = "cd" * 16
+    issue_vouch(target, ttl_days=30)
+    assert len(our_vouches()) == 1
+    revoke_vouch(target)
+    assert our_vouches() == []
+
+
+# ---------- accept_vouch validation -------------------------------------
+
+def test_accept_vouch_rejects_expired(fresh_db, fed_dir):
+    priv, pem, fp = _make_peer()
+    register_peer("voucher.example", fp, pem, status="trusted")
+    issued = datetime.now(timezone.utc) - timedelta(days=10)
+    expired = datetime.now(timezone.utc) - timedelta(days=1)
+    sig = _sign_vouch(priv, fp, "target", issued, expired)
+    v = Vouch(voucher_fingerprint=fp, target_fingerprint="target",
+              issued_at=issued, expires_at=expired, signature=sig)
+    result = accept_vouch(v, pem)
+    assert isinstance(result, Err)
+    assert "expired" in result.reason
+
+
+def test_accept_vouch_rejects_bad_signature(fresh_db, fed_dir):
+    priv, pem, fp = _make_peer()
+    register_peer("voucher.example", fp, pem, status="trusted")
+    issued = datetime.now(timezone.utc)
+    expires = issued + timedelta(days=30)
+    # Sign a different target then claim it's for "real-target".
+    real_sig = _sign_vouch(priv, fp, "other-target", issued, expires)
+    v = Vouch(voucher_fingerprint=fp, target_fingerprint="real-target",
+              issued_at=issued, expires_at=expires, signature=real_sig)
+    result = accept_vouch(v, pem)
+    assert isinstance(result, Err)
+    assert "signature" in result.reason
+
+
+def test_accept_vouch_rejects_voucher_not_trusted(fresh_db, fed_dir):
+    priv, pem, fp = _make_peer()
+    # Voucher exists but is "unknown" not "trusted".
+    register_peer("voucher.example", fp, pem, status="unknown")
+    issued = datetime.now(timezone.utc)
+    expires = issued + timedelta(days=30)
+    sig = _sign_vouch(priv, fp, "target", issued, expires)
+    v = Vouch(voucher_fingerprint=fp, target_fingerprint="target",
+              issued_at=issued, expires_at=expires, signature=sig)
+    result = accept_vouch(v, pem)
+    assert isinstance(result, Err)
+    assert "not trusted" in result.reason
+
+
+def test_accept_vouch_ok_for_trusted_voucher(fresh_db, fed_dir):
+    priv, pem, fp = _make_peer()
+    register_peer("voucher.example", fp, pem, status="trusted")
+    issued = datetime.now(timezone.utc)
+    expires = issued + timedelta(days=30)
+    sig = _sign_vouch(priv, fp, "target", issued, expires)
+    v = Vouch(voucher_fingerprint=fp, target_fingerprint="target",
+              issued_at=issued, expires_at=expires, signature=sig)
+    result = accept_vouch(v, pem)
+    assert isinstance(result, Ok)
+
+
+# ---------- is_vouched threshold ----------------------------------------
+
+def test_is_vouched_needs_distinct_vouchers(fresh_db, fed_dir):
+    """Two vouches from the same peer must NOT clear a threshold of 2."""
+    priv, pem, fp = _make_peer()
+    register_peer("voucher.example", fp, pem, status="trusted")
+
+    issued = datetime.now(timezone.utc)
+    expires = issued + timedelta(days=30)
+    sig = _sign_vouch(priv, fp, "target", issued, expires)
+    v1 = Vouch(voucher_fingerprint=fp, target_fingerprint="target",
+               issued_at=issued, expires_at=expires, signature=sig)
+    assert isinstance(accept_vouch(v1, pem), Ok)
+
+    # Newer vouch from the SAME voucher — upsert replaces, count stays 1.
+    issued2 = issued + timedelta(seconds=1)
+    sig2 = _sign_vouch(priv, fp, "target", issued2, expires)
+    v2 = Vouch(voucher_fingerprint=fp, target_fingerprint="target",
+               issued_at=issued2, expires_at=expires, signature=sig2)
+    assert isinstance(accept_vouch(v2, pem), Ok)
+
+    assert is_vouched("target", min_vouchers=2) is False
+    # Threshold of 1 should pass.
+    assert is_vouched("target", min_vouchers=1) is True
+
+
+def test_is_vouched_two_distinct_clear_threshold(fresh_db, fed_dir):
+    priv_a, pem_a, fp_a = _make_peer()
+    priv_b, pem_b, fp_b = _make_peer()
+    register_peer("a.example", fp_a, pem_a, status="trusted")
+    register_peer("b.example", fp_b, pem_b, status="trusted")
+
+    issued = datetime.now(timezone.utc)
+    expires = issued + timedelta(days=30)
+    va = Vouch(voucher_fingerprint=fp_a, target_fingerprint="target",
+               issued_at=issued, expires_at=expires,
+               signature=_sign_vouch(priv_a, fp_a, "target", issued, expires))
+    vb = Vouch(voucher_fingerprint=fp_b, target_fingerprint="target",
+               issued_at=issued, expires_at=expires,
+               signature=_sign_vouch(priv_b, fp_b, "target", issued, expires))
+    assert isinstance(accept_vouch(va, pem_a), Ok)
+    assert isinstance(accept_vouch(vb, pem_b), Ok)
+
+    assert is_vouched("target", min_vouchers=2) is True
+    assert is_vouched("target", min_vouchers=3) is False
+
+
+# ---------- quorum on signal_hash ---------------------------------------
+
+def test_is_quorum_met_counts_distinct_vouched_peers_only(fresh_db, fed_dir):
+    # Two trusted peers + one untrusted peer report the same signal_hash.
+    _, pem_a, fp_a = _make_peer()
+    _, pem_b, fp_b = _make_peer()
+    _, pem_c, fp_c = _make_peer()
+    register_peer("a.example", fp_a, pem_a, status="trusted")
+    register_peer("b.example", fp_b, pem_b, status="trusted")
+    register_peer("c.example", fp_c, pem_c, status="unknown")  # not eligible
+
+    for fp in (fp_a, fp_b, fp_c, fp_a):  # fp_a duplicated → still 1 distinct
+        db.record_signal(dict(
+            peer_fingerprint=fp,
+            signal_type="ioc",
+            signal_id="1.2.3.4",
+            signal_hash="h-aaa",
+            received_at=datetime.now(timezone.utc).isoformat(),
+            raw_json="{}",
+        ))
+
+    assert is_quorum_met("h-aaa", k=2) is True
+    assert is_quorum_met("h-aaa", k=3) is False  # only 2 eligible distincts
+
+
+# ---------- quorum config persistence -----------------------------------
+
+def test_quorum_config_defaults_and_persistence(fresh_db, fed_dir):
+    cfg = quorum_config()
+    assert cfg.trust_min_vouchers == 2
+    assert cfg.signal_quorum_k == 2
+    set_quorum_config(QuorumConfig(trust_min_vouchers=3, signal_quorum_k=4))
+    cfg2 = quorum_config()
+    assert cfg2.trust_min_vouchers == 3
+    assert cfg2.signal_quorum_k == 4
+
+
+# ---------- import gate enforces listening eligibility ------------------
+
+def _signed_feed_from_peer(peer_priv, peer_fp, vouches=None):
+    """Build a feed claiming origin=peer_fp, signed with peer_priv."""
+    payload = {
+        "version": federation.FEED_VERSION,
+        "fingerprint": peer_fp,
+        "generated_at": datetime.now(timezone.utc).isoformat(),
+        "window_hours": 24,
+        "cases": [],
+        "iocs": [{
+            "value": "9.9.9.9",
+            "type": "ip",
+            "severity": "high",
+            "first_seen": datetime.now(timezone.utc).isoformat(),
+            "digest_sha256": "abc123",
+        }],
+        "vouches": vouches or [],
+    }
+    sig = peer_priv.sign(canonical_json(payload))
+    payload["signature"] = base64.b64encode(sig).decode("ascii")
+    return payload
+
+
+def test_import_feed_rejects_unknown_peer(fresh_db, fed_dir):
+    peer_priv, peer_pem, peer_fp = _make_peer()
+    feed = _signed_feed_from_peer(peer_priv, peer_fp)
+    result = import_signed_feed(feed, peer_pem)
+    assert isinstance(result, Err)
+    assert "not trusted" in result.reason
+
+
+def test_import_feed_accepts_directly_trusted_peer(fresh_db, fed_dir):
+    peer_priv, peer_pem, peer_fp = _make_peer()
+    register_peer("peer.example", peer_fp, peer_pem, status="trusted")
+    feed = _signed_feed_from_peer(peer_priv, peer_fp)
+    result = import_signed_feed(feed, peer_pem)
+    assert isinstance(result, Ok), getattr(result, "reason", "")
+
+
+def test_import_feed_accepts_vouched_peer(fresh_db, fed_dir):
+    # Two trusted peers vouch for a third — third becomes listening-eligible.
+    priv_a, pem_a, fp_a = _make_peer()
+    priv_b, pem_b, fp_b = _make_peer()
+    priv_c, pem_c, fp_c = _make_peer()
+    register_peer("a.example", fp_a, pem_a, status="trusted")
+    register_peer("b.example", fp_b, pem_b, status="trusted")
+
+    issued = datetime.now(timezone.utc)
+    expires = issued + timedelta(days=30)
+    va = Vouch(voucher_fingerprint=fp_a, target_fingerprint=fp_c,
+               issued_at=issued, expires_at=expires,
+               signature=_sign_vouch(priv_a, fp_a, fp_c, issued, expires))
+    vb = Vouch(voucher_fingerprint=fp_b, target_fingerprint=fp_c,
+               issued_at=issued, expires_at=expires,
+               signature=_sign_vouch(priv_b, fp_b, fp_c, issued, expires))
+    assert isinstance(accept_vouch(va, pem_a), Ok)
+    assert isinstance(accept_vouch(vb, pem_b), Ok)
+    assert peer_is_listening_eligible(fp_c) is True
+
+    feed = _signed_feed_from_peer(priv_c, fp_c)
+    result = import_signed_feed(feed, pem_c)
+    assert isinstance(result, Ok), getattr(result, "reason", "")
+
+
+def test_import_feed_propagates_vouches_in_payload(fresh_db, fed_dir):
+    """A trusted peer's feed carries a vouch the peer issued — we should
+    accept_vouch it and store it locally."""
+    peer_priv, peer_pem, peer_fp = _make_peer()
+    register_peer("peer.example", peer_fp, peer_pem, status="trusted")
+
+    target_fp = "ff" * 16
+    issued = datetime.now(timezone.utc)
+    expires = issued + timedelta(days=30)
+    peer_vouch = Vouch(
+        voucher_fingerprint=peer_fp,
+        target_fingerprint=target_fp,
+        issued_at=issued,
+        expires_at=expires,
+        signature=_sign_vouch(peer_priv, peer_fp, target_fp, issued, expires),
+    )
+    feed = _signed_feed_from_peer(peer_priv, peer_fp, vouches=[peer_vouch.model_dump(mode="json")])
+
+    result = import_signed_feed(feed, peer_pem)
+    assert isinstance(result, Ok), getattr(result, "reason", "")
+
+    # The vouch is now in our local store under the peer's fingerprint.
+    stored = federation.vouches_for(target_fp)
+    assert any(v.voucher_fingerprint == peer_fp for v in stored)