- Add AI plans, credits, model routing, LiteLLM client, and orchestrator services
- Add AI management endpoints, auto-apply/auto-request handlers, and log endpoints
- Add cron jobs for daily action reset and monthly credit reset
- Add AI credit purchase flow in payments service
- Add ai_credit_packages migration with seed data
- Update Dockerfile build tooling across services
- Add Dockerfile.optimized with cargo-chef caching
- Add build-changed.sh script to build only modified services
- Add deploy-changed.sh script for selective deployment
- Add comprehensive deployment optimization guide
- Support independent service rollouts (no full redeploy needed)
