- Introduced per-connection active channel management for Codex and XAI websocket sessions.
- Enhanced session behavior to support clearing and reassigning active channels tied to specific connections.
- Added support for detecting and detaching stale connections upon session target changes.
- Refactored websocket message handling logic to ensure connection-specific channel consistency.
- Extended test coverage for websocket session behaviors, including reconnections, target switching, and pinned auth transitions.
