init: scaffold psyc — defensive CTI routing & evidence-sealing platform

Stage-1 vertical slice: Pydantic Case model, SQLAlchemy Core persistence,
URLhaus Scoutline fetcher, FastAPI/Jinja cockpit (cases list + detail),
flat Typer CLI, Result[T, E] type module, structlog config.
Architecture in docs/dossier.md; 12-fold style guide in docs/style.md.

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

pyproject.toml

@@ -0,0 +1,37 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "psyc"
+version = "0.1.0"
+description = "Defensive CTI routing & evidence-sealing platform"
+requires-python = ">=3.10"
+dependencies = [
+    "fastapi>=0.115",
+    "uvicorn[standard]>=0.30",
+    "jinja2>=3.1",
+    "python-multipart>=0.0.9",
+    "pydantic>=2.7",
+    "httpx>=0.27",
+    "typer>=0.12",
+    "pynacl>=1.5",
+    "structlog>=24.1",
+    "sqlalchemy>=2.0",
+]
+
+[project.scripts]
+psyc = "psyc.cli:app"
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/psyc"]
+
+[tool.ruff]
+line-length = 120
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "B"]
+ignore = ["UP006", "UP007", "UP035"]
+
+[tool.ruff.lint.isort]
+known-first-party = ["psyc"]