Add 4 tools:
- blue_postmortem_create: Create post-mortem documents for incident tracking
- blue_postmortem_action_to_rfc: Convert post-mortem action items to RFCs
- blue_runbook_create: Create runbook documents for operations
- blue_runbook_update: Update runbooks with new operations/troubleshooting
Also adds DocType::Postmortem and DocType::Runbook to blue-core.
Total: 54 tools ported from coherence-mcp
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>