fix(ci): exclude tests/ dir from bolt://localhost check

fix(ci): extract route check to scripts/verify_routes.py

fix(ci): remove cache:pip from all 3 workflows, force Node.js 24

fix(ci): remove cache:pip — causes 400 from GitHub cache service

fix(ci): upgrade actions to Node.js 24, fix bash syntax check bugs

fix(ci): add permissions block to all GitHub Actions workflows

fix(infra): add missing requirements and CI/CD workflows

Remove unwanted files

feat(deploy):complete — zero cold-start deployment