[F2-TASK-149] Track post-release incidents

[duksh]

Execution Metadata

• Issue ID: F2-TASK-149
• Phase: P12
• Type: TASK
• Owner Team: platform-core
• Priority: P1
• Status (initial): Todo
• Depends On: F2-STORY-147

Acceptance Criteria

Incidents logged with severity and resolution SLA

Artifact Paths

• docs/operational-incident-playbooks.md

Quality Gates

• review-required

Labels (from registry)

incident,tracking

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