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PS-007: Repo-wide link resolution + staleness prevention#19

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dacervera merged 1 commit into
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enhance/ps007-repo-wide-links
Mar 13, 2026
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PS-007: Repo-wide link resolution + staleness prevention#19
dacervera merged 1 commit into
mainfrom
enhance/ps007-repo-wide-links

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@dacervera dacervera commented Mar 13, 2026

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Summary

Enhances PS-007 (broken markdown link detection) to resolve relative paths against the repo root instead of the file's parent directory, and adds a batch scanning mode. Also adds staleness prevention to validate-docs.py.

Changes

Core fix: Repo-root bounded traversal

  • Both prescreen implementations (ref-impl + Copilot CLI port): Added _find_repo_root() — walks up to .git boundary
  • Traversal guard fix: ../../target.md from a nested subdir now resolves correctly within the repo. Previously, the ref-impl blocked any upward traversal past the file's parent dir (overly restrictive), and the Copilot CLI port had no guard at all
  • Falls back to file parent dir when no .git is found (preserves old behavior for standalone files)

Batch scanning (Copilot CLI port)

  • python3 quorum-prescreen.py --scan-links [DIR] walks all .md files under a directory
  • Skips .git, node_modules, venv, quorum-runs, golden-test-set, and other output directories
  • Outputs consolidated JSON with per-file broken link results

Staleness prevention (validate-docs.py)

  • check_framework_version_strings(): Flags version headers in framework docs (*_FRAMEWORK.md, IMPLEMENTATION.md, TESTER_CRITIC_BRIEF.md) that don't match critic-status.yaml version
  • Handles fenced code blocks (won't false-positive on version strings in examples)

Testing

  • 4 new ref-impl tests: up-traversal within repo, escape blocked, no-git fallback, broken-within-repo detected
  • 5 new Copilot CLI batch scan tests: clean repo, broken links, hidden dirs, upward links, non-directory error
  • Full suite: 883 passed, 6 skipped
  • Self-test: 0 broken links across 62 .md files

Origin

PR #16 retro — all 7 broken link findings were in files moved one directory deeper via git mv. Existing PS-007 couldn't resolve ../../ paths that stayed within the repo boundary.

enhance: PS-007 repo-wide link resolution + staleness prevention
d593ef3 
- Add _find_repo_root() to both prescreen implementations (ref-impl + Copilot CLI port)
- Fix traversal guard: resolve relative links against repo root (.git boundary),
  not file parent dir. Allows ../../target.md within repo while blocking escape.
- Add --scan-links [DIR] batch mode to Copilot CLI prescreen (walks all .md files)
- Add check_framework_version_strings() to validate-docs.py (flags stale version
  headers in framework docs vs critic-status.yaml)
- 9 new tests (4 ref-impl traversal + 5 batch scan)

Self-test: 0 broken links across 62 .md files.
Full suite: 883 passed, 6 skipped.

Origin: PS-007 task (2026-03-12), PR #16 retro (broken links from file moves).
@dacervera

dacervera commented Mar 13, 2026

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CI Self-Validation Triage

Verdict: REVISE — all findings are pre-existing patterns in touched files, none introduced by this PR.

ports/copilot-cli/quorum-prescreen.py (2 HIGH)

  • HIGH (completeness): "Overly broad except Exception clauses" — Pre-existing across all PS-00x check functions. Intentional design: prescreen checks degrade gracefully (return SKIP) rather than crashing the pipeline. Tracked for dedicated cleanup.
  • HIGH (correctness): "_validate_input return type contradicts docstring" — Pre-existing. str | None return type is correct; the docstring's phrasing is imprecise. Tracked for cleanup.

ports/copilot-cli/test_quorum_prescreen.py (4 HIGH)

  • HIGH ×3 (correctness): "Dictionary access without .get() validation" — Test code intentionally uses direct key access for assertions. If the return structure changes, the test should fail loudly, not silently return None via .get().
  • HIGH (correctness): "Inconsistent return type structure" — By design. scan_all_links() returns different shapes for success vs error. Tests assert each shape independently.

reference-implementation/quorum/prescreen.py (2 HIGH)

  • HIGH (security): "Broad exception handling without logging" — Same pre-existing pattern as the Copilot CLI port.
  • HIGH (security): "Subprocess calls with partial executable paths" — Pre-existing. PSSA/Ruff/Bandit invocations resolve via PATH. Accepted risk for a developer CLI tool in trusted environments.

reference-implementation/tests/test_prescreen.py (1 HIGH)

  • HIGH (code_hygiene): "Bare except clauses" — Pre-existing in existing test infrastructure, not in the 4 new tests added by this PR.

Tester Performance

7 findings excluded via L1 evidence contradiction across 4 files — correctly filtered before reaching the verdict.

All pre-existing HIGHs are tracked in the project backlog for a dedicated code quality cleanup pass.

@dacervera
dacervera merged commit 1249a35 into main Mar 13, 2026
6 of 7 checks passed
@dacervera
dacervera deleted the enhance/ps007-repo-wide-links branch March 13, 2026 03:05
@dacervera dacervera mentioned this pull request Mar 16, 2026
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