mindesbunister
3fb8782319
docs: Add Dec 12 HA auto-promote enhancement to copilot instructions
- Added auto-database-promotion feature (pg_ctl promote)
- Added DEMOTED flag split-brain prevention system
- Added startup safety script documentation
- Updated failover sequence with database promotion steps
- Enhanced operational notes with new monitoring commands
- Added reference to comprehensive docs (HA_AUTO_FAILOVER_DEPLOYED_DEC12_2025.md)
- Updated 'When Making Changes' section with failover/failback procedures