57ff236f2d
- Add ssh_key_id column to ConfigProfile model and migration - Update config profile API to accept/return ssh_key_id - Include ssh_key_id in ResolvedProfile and resolver logic - Mount selected SSH key into container home dir at start_instance - Frontend config profile form with SSH key selector dropdown - Git mount URL validation defaults to profile's SSH key Quality gates: pytest (231 passed, 6 pre-existing), tsc --noEmit clean