d85ab43d58
Pulls the upstream contract_parser.py canonical: v2.1 + issue-scoped contract validation (target_module/scope/prd frontmatter, four new test categories scenario/trace/adversarial/property, issue-aware human/list output). Re-pins pinned_sha256_16 + pinned_at in the manifest. canonical_drift.py reports 7/7 OK; no sync-induced contract regressions.