- Add claude_id field to sessions (migration 026) for tracking Claude
process IDs across pod restarts
- Extend session repository with UpdateClaudeID and session lookup methods
- Improve kubernetes executor with better error handling and exec streaming
- Add claudebox client/server improvements for session lifecycle
- Expand sessions handler with exec streaming endpoint
- Add comprehensive tests for sessions and kubernetes executor
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>