Remove .ralph/ directory files from git tracking.
These are no longer needed as the tool-result-refactor is complete.
Also removes root-level prd.json and progress.txt.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add state *state.Manager field to AgentLoop struct
- Initialize stateManager in NewAgentLoop using state.NewManager
- Implement RecordLastChannel method that calls state.SetLastChannel
- Implement RecordLastChatID method for chat ID tracking
- Add comprehensive tests for state persistence
- Verify state survives across AgentLoop instances
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
