bd-50: Verified all counter sync fixes already implemented - Import calls SyncAllCounters() after batch operations - Delete operations sync counters properly - Renumber resets and syncs counters correctly - Daemon cache detects external DB changes via mtime - Added comprehensive tests: TestCounterSyncAfterImport bd-51: Cleaned up test pollution from production database - Deleted bd-52 through bd-58 (manual test issues) - Root cause was user error, not auto-flush bug - Auto-flush working as designed - Go tests properly isolated in temp directories Amp-Thread-ID: https://ampcode.com/threads/T-9dcbc4bb-76fb-4696-a3f4-4af560da6d6c Co-authored-by: Amp <amp@ampcode.com>