chore: Stable Agent Mesh - Deterministic HMAC Signatures and Proto Synchronization ...

- Fix circular import in Agent auth utility (Live config vs static import)
- Enforce deterministic Protobuf serialization for cross-platform signature consistency
- Synchronize stale Protobuf classes in agent-node source tree
- Sign gRPC keepalive/work-pool messages to prevent stream drops
- Fix Hub config initialization order (OIDC_ENABLED vs ALLOW_PASSWORD_LOGIN)
- Enhanced stream error logging with tracebacks
- Bumped version to 1.1.0 to force fleetwide update

feat: Improve local testing and robustify agent loop ...

- Support native mode in run_integration_tests.sh

- Add error handling for ObjectDeletedError in agent_loop.py

- Use db_executor for heartbeat updates in node_registry.py

- Add new settings to config.py

- Add test for AuthService.handle_callback

- Update docker compose configs

feat: comprehensive mobile responsiveness for agent dashboard and swarm control

Refactor AI Config and Fix Login failure: Migrated services to a structured api directory, updated backend schemas for multiple TTS/STT providers, and improved settings/chat UI coverage.

Refactor backend code to improve modularity and extensibility