Evidence: lint, formatting and type checks (issue-167)

Same commands the pre-commit/pre-push hooks and CI run (hooks.preCommit, hooks.prePush) — no CI-only variant.

ruff

$ uv run --directory cli ruff check .
All checks passed!

$ uv run --directory cli ruff format --check .
166 files already formatted

Two files were reformatted by ruff format during implementation (the_loop/graph/hooks/artifacts.py, tests/test_graph_parity.py) and the reformatted versions are what is committed.

pyright

$ uv run --directory cli pyright
0 errors, 0 warnings, 0 informations

markdownlint

Every markdown file this work item adds or edits, through the project's own config:

$ npx markdownlint-cli2 "docs/specs/issue-167/*.md" "docs/decisions/decision-063.md"
markdownlint-cli2 v0.23.2 (markdownlint v0.41.1)
Linting: 6 files
Summary: 0 issues in 0 files