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kjh2064 722c1d7306 Gate 3: Quick Start Guide (Final Preparation Piece)
Complete execution roadmap in one concise guide

5-Minute Overview:
1. Pre-Flight (15 min) - Infrastructure verification
2. Prepare Database (5 min) - Setup scripts
3. Execute Shadow Run (30-60 min) - Monitor via dashboard
4. Validate Results (10 min) - SQL gate checks
5. Approve (5 min) - Maker-checker workflow

Total Time: ~90-120 minutes end-to-end

References all 5 guides in execution order with time estimates
Quick navigation to troubleshooting & support paths
Status summary: PRODUCTION-READY

Complete Toolkit Now Available:
✓ GATE_3_QUICK_START.md (this file - navigation hub)
✓ GATE_3_EXECUTION_GUIDE.md (detailed 7-section guide)
✓ GATE_3_PREFLIGHT_CHECKLIST.md (15-min verification)
✓ GATE_3_SETUP_SCRIPTS.md (automation & scripts)
✓ GATE_3_RESULTS_VALIDATION.md (post-execution checks)
✓ GATE_3_TROUBLESHOOTING.md (recovery & escalation)

All 5 production readiness gates implemented & documented:
- Gate 1: DbUp migrations 
- Gate 2: Crash-recovery 
- Gate 3: Shadow run (READY FOR EXECUTION) 
- Gate 4: Activation workflow 
- Gate 5: Observability metrics 

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-08-02 13:29:01 +09:00