Reject symlinked governance metadata

[tom-sapletta-com]

Summary

• reject symlinked .governance/standard-adoption.json and manifest.lock.json metadata
• add regression coverage for both metadata paths

Closes #91

Validation

• PYTHONPATH=worktree/src /usr/bin/python3 -m pytest -p no:cacheprovider -q — 347 passed, 4 skipped
• ./project/governance-check.sh — GOV-PASS
• git diff --check — pass

Exact publication head: 9a432813d4e43595437dd5c8d66a0109238979dc

[ifuri-validator-agent]

Validator approval after policy checks for exact head ffde5fa323256fbeb63da7bd05c0a8449d475c99.

Ticket: ticket-076
Correlation ID: monag-ticket076-pr99-v3-20260920
Model: zai/glm-5.3
Reviewed diff chunks: 2
Advisory LLM verdict: APPROVE
Advisory summary: Reviewed all 2 diff chunk(s). Chunk 1 of 2 adds ticket-076 intent metadata and a new read-only governance scanner module. The scanner handles malformed JSON, non-UTF-8, symlinks, bounded traversal with depth validation (including bool rejection), and detects adoption/lock pin disagreement without claiming network freshness. All required checks (governance/enforce, governance/remote lifecycle, onedev/local-verify) pass per the protected assessment. | Chunk 2 adds a 'standards' report section wiring governance.scan into report.collect and rendering adoption/drift observations with proper escaping via presentation.cell. New tests cover malformed metadata, drift reporting, and XSS-escaping of untrusted values in the standards formatter. All required protected checks (onedev/local-verify, governance/remote lifecycle, governance/enforce) pass, consistent with test_results_data.
Advisory findings: none
The LLM output above is advisory and was not used as the approval trust root.
Semantic review prerequisite: not_required; policy 676cb4516bbfed2a000e40b9b1b6e4a430ecc761ec546aeb53d721a1905cfdd7.

Actual PR impact radar

Exact range: 03f6c5dd7da6bb66b8e76282d36013b81aec783c...ffde5fa323256fbeb63da7bd05c0a8449d475c99
Change digest: 6ee54dc907b6b73710d860d771bbaeb8838ec26fe803e9a7b188fecdddf32eea
Score: 64/100 (L), estimated 84 min, split recommended: true
Affected services/components: repository-wide/unclassified

Machine-readable radar JSONL and SVG

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Merge will be attempted after this approval when explicitly authorized. ## Decision record (recomputable)

DECISION D-076-2704
TICKET ticket-076
HEAD_SHA ffde5fa323256fbeb63da7bd05c0a8449d475c99
CORRELATION_ID monag-ticket076-pr99-v3-20260920
ACTOR agent:ifuri-validator-agent[bot]
APPLIED_RULE P-CORE-015
INPUT author_login = "tom-sapletta-com"
INPUT observed_checks = ["governance / remote lifecycle=PASS","governance / enforce=PASS","onedev/local-verify=PASS"]
INPUT required_checks = ["onedev/local-verify","governance / remote lifecycle","governance / enforce"]
INPUT required_checks_source = "protected registry (env/request)"
INPUT reviewer_login = "ifuri-validator-agent[bot]"
INPUT semantic_review_assessment = {"schema":"subactor.validator/semantic-review-assessment/v1","subject":{"repository":"semcod/monag","pull_request":99,"head_sha":"ffde5fa323256fbeb63da7bd05c0a8449d475c99","base_sha":"03f6c5dd7da6bb66b8e76282d36013b81aec783c","diff_sha256":"f2bb790ed781a729c2732ff9ac4fdaa573a07700aeff66ef480d88e57ba2434f"},"policy":{"policy_schema":"subactor.validator/semantic-review-policy/v1","policy_version":1,"policy_sha256":"676cb4516bbfed2a000e40b9b1b6e4a430ecc761ec546aeb53d721a1905cfdd7","required":false,"critical_paths":[],"observed_paths":["project/TICKETS.md","project/ticket-076/README.md","project/ticket-076/intent.json","src/monag/governance.py","src/monag/report.py","tests/test_governance.py","tests/test_report.py"]},"grounding":"full-diff-not-per-finding-proof","execution_authority":false,"status":"not_required","reason":null,"review_sha256":null,"unresolved":[]}
INPUT superseded_checks = []
INPUT ticket_radar_receipt = {"schema":"subactor.ticket-radar/v1","base_sha":"03f6c5dd7da6bb66b8e76282d36013b81aec783c","head_sha":"ffde5fa323256fbeb63da7bd05c0a8449d475c99","change_digest":"6ee54dc907b6b73710d860d771bbaeb8838ec26fe803e9a7b188fecdddf32eea","score":64,"complexity":"L","estimated_minutes":84,"split_recommended":true,"services":[],"authority":"ADVISORY","promotion":"FORBIDDEN"}
VERDICT APPROVE AUTHORITY DETERMINISTIC
REJECTED REQUEST_CHANGES BECAUSE NO_UNSAFE_CHANGE_REASON_FOUND
ADVISORY llm_verdict = "APPROVE" MODEL "zai/glm-5.3"
ASSERT VERDICT_AUTHORITY != "ADVISORY"