- Pull from sync-branch before rename if configured
- Import all issues from JSONL before rename to prevent data loss
- Export directly to JSONL after rename (don't rely on flushManager)
- Apply same pattern to --repair mode
- Add newSilentLogger() for production use (not test-only)
- Add comprehensive tests for JSONL update scenarios
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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>