- Added OpExport/OpImport to RPC protocol
- Implemented handleExport() in daemon to export via RPC
- Modified sync command to use daemon export when available
- Prevents nil pointer dereference when daemon is running
- Falls back to direct mode if daemon unavailable
- Fix dry-run to not mutate state (no export/clear dirty flags)
- Use os.Executable() for import to avoid path hijacking
- Add preflight checks for merge/rebase in progress
- Add upstream tracking validation with helpful hints
- Use CommandContext for all git operations (enable cancellation)
- Add chmod(0644) to exportToJSONL for consistency with export.go
All critical issues from Oracle review addressed.
