refactor: reset message IDs on new turn and add activity log handlers
- Reset assistant message and thought IDs when starting new agent turn
- Add comprehensive activity log handlers in session context
- Handle tool calls, results, and errors with proper state updates
- Add transcription and assistant chunk streaming handlers
- Improve audio playback with proper error handling and confirmation
- Use generateMessageId() for consistent ID generation
- Filter out transcription activity logs from chat
- Stop audio playback when real speech is detected
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refactor: implement async agent creation flow with loading states
- Add loading states and request tracking to agent creation modal
- Move agent creation logic from parent to modal component
- Add automatic navigation to agent page after creation
- Implement requestId-based response matching for agent_created events
- Add audio output handling in session context
- Improve modal UX with disabled states during creation
```
Mohamed Boudra