[F2-TASK-150] Run daily contract drift checks

[duksh]

Execution Metadata

• Issue ID: F2-TASK-150
• Phase: P12
• Type: TASK
• Owner Team: qa-team
• Priority: P1
• Status (initial): Todo
• Depends On: F2-STORY-147

Acceptance Criteria

No unresolved critical drift during hypercare

Artifact Paths

• docs/contract-test-fixture-pack.md

Quality Gates

• contract-drift

Labels (from registry)

drift,hypercare

Source Registry

• docs/roadmap/ficecal-v2-task-issue-registry.csv
• docs/roadmap/ficecal-v2-execution-plan-updated.md
• docs/roadmap/ficecal-v2-recovery-index.md