m17hr1l 76a0b0b636 stage-31: Newsline polish — featured case, time buckets, severity accents, generated visuals ...

The home page goes from a flat event stream to something that reads like
a news blog:

- Featured-case hero card at the top, picked as the highest-severity
  case (CRITICAL > HIGH, tie-break recency) from the last 7 days. Wide,
  with a procedurally generated SVG hero behind a gradient overlay that
  carries title + severity + TLP + feed + ingest time.
- Recent activity is now grouped under Today / Yesterday / Earlier this
  week / Older bucket headers.
- Each item gets a left-border severity accent (red CRITICAL, amber
  HIGH, muted MEDIUM/LOW) so the page is scannable at a glance.

Images: new cockpit/case_visuals.py generates SVGs from case data —
zero external image gen, zero curated assets. Every visual is
deterministic from case_id (so a case keeps its identity across
sessions) and themed to its severity:

- case_hero_svg() — 880x220 hero with severity radial glow, a faint
  scan grid, a particle constellation with auto-connecting lines, HUD
  corner brackets, and the case id whispered in the bottom-right.
- case_glyph_svg() — small mirror-symmetric identicon (5-grid),
  severity-colored, shown beside each case news item in place of an
  emoji icon. Two case_ids → two distinct glyphs; same id → same glyph.

7 news tests pass; visual sanity print confirms hero is deterministic
and uses the right severity accent.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-05-25 19:02:22 +02:00

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