more detailed SDLC plan

_docs/00_templates/incident_playbook.md

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+# Incident Playbook Template
+
+## Incident Overview
+
+| Field | Value |
+|-------|-------|
+| Playbook Name | [Name] |
+| Severity | Critical / High / Medium / Low |
+| Last Updated | [YYYY-MM-DD] |
+| Owner | [Team/Person] |
+
+---
+
+## Detection
+
+### Symptoms
+- [How will you know this incident is occurring?]
+- Alert: [Alert name that triggers]
+- User reports: [Expected user complaints]
+
+### Monitoring
+- Dashboard: [Link to relevant dashboard]
+- Logs: [Log query to investigate]
+- Metrics: [Key metrics to watch]
+
+---
+
+## Assessment
+
+### Impact Analysis
+- Users affected: [All / Subset / Internal only]
+- Data at risk: [Yes / No]
+- Revenue impact: [High / Medium / Low / None]
+
+### Severity Determination
+| Condition | Severity |
+|-----------|----------|
+| Service completely down | Critical |
+| Partial degradation | High |
+| Intermittent issues | Medium |
+| Minor impact | Low |
+
+---
+
+## Response
+
+### Immediate Actions (First 5 minutes)
+1. [ ] Acknowledge alert
+2. [ ] Verify incident is real (not false positive)
+3. [ ] Notify on-call team
+4. [ ] Start incident channel/call
+
+### Investigation Steps
+1. [ ] Check recent deployments
+2. [ ] Review error logs
+3. [ ] Check infrastructure metrics
+4. [ ] Identify affected components
+
+### Communication
+| Audience | Channel | Frequency |
+|----------|---------|-----------|
+| Engineering | Slack #incidents | Continuous |
+| Stakeholders | Email | Every 30 min |
+| Users | Status page | Major updates |
+
+---
+
+## Resolution
+
+### Common Fixes
+
+#### Fix 1: [Common issue]
+```bash
+# Commands to fix
+```
+Expected outcome: [What should happen]
+
+#### Fix 2: [Another common issue]
+```bash
+# Commands to fix
+```
+Expected outcome: [What should happen]
+
+### Rollback Procedure
+1. [ ] Identify last known good version
+2. [ ] Execute rollback
+```bash
+# Rollback commands
+```
+3. [ ] Verify service restored
+4. [ ] Monitor for 15 minutes
+
+### Escalation Path
+| Time | Action |
+|------|--------|
+| 0-15 min | On-call engineer |
+| 15-30 min | Team lead |
+| 30-60 min | Engineering manager |
+| 60+ min | Director/VP |
+
+---
+
+## Post-Incident
+
+### Verification
+- [ ] Service fully restored
+- [ ] All alerts cleared
+- [ ] User-facing functionality verified
+- [ ] Monitoring back to normal
+
+### Documentation
+- [ ] Timeline documented
+- [ ] Root cause identified
+- [ ] Action items created
+- [ ] Post-mortem scheduled
+
+### Post-Mortem Template
+```markdown
+## Incident Summary
+- Date/Time:
+- Duration:
+- Impact:
+- Root Cause:
+
+## Timeline
+- [Time] - Event
+
+## What Went Well
+-
+
+## What Went Wrong
+-
+
+## Action Items
+| Action | Owner | Due Date |
+|--------|-------|----------|
+| | | |
+```
+
+---
+
+## Contacts
+
+| Role | Name | Contact |
+|------|------|---------|
+| On-call | | |
+| Team Lead | | |
+| Manager | | |
+
+---
+
+## Revision History
+
+| Date | Author | Changes |
+|------|--------|---------|
+| | | |
+