- Add comprehensive test coverage for agent report, flush buffer, and deps
- Expand flow, HTTP, CPU, and swarm test coverage
- Refactor registry access to use deps interface for better testability
- Add container update and self-update test scenarios
- Add container update command handling to unified agent
- Agent can now receive update_container commands from Pulse server
- Pulls latest image, stops container, creates backup, starts new container
- Automatic rollback on failure
- Backup container cleaned up after 5 minutes
- Added comprehensive test coverage for container update logic
