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fix(staleness): use RFC3339Nano precision for last_import_time (#399)

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The staleness check compares last_import_time against JSONL file mtime.
File mtime has nanosecond precision, but last_import_time was stored with
only second precision (RFC3339). This caused a race condition where the
stored time could be slightly earlier than the file mtime, triggering
false "Database out of sync" errors - particularly in git worktrees.

Changed all 6 locations that set last_import_time to use RFC3339Nano.
The CheckStaleness parser already handles both formats, so this is
backward compatible.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Steve Yegge
2025-11-27 00:11:01 -08:00
parent e8ffac63ba
commit cdc156428c
5 changed files with 12 additions and 6 deletions
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3
cmd/bd/sync.go
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@@ -945,7 +945,8 @@ func exportToJSONL(ctx context.Context, jsonlPath string) error {
// is unavailable. This ensures export operations always succeed even if metadata storage fails.
fmt.Fprintf(os.Stderr, "Warning: failed to update last_import_hash: %v\n", err)
}
exportTime := time.Now().Format(time.RFC3339)
// Use RFC3339Nano for nanosecond precision to avoid race with file mtime (fixes #399)
exportTime := time.Now().Format(time.RFC3339Nano)
if err := store.SetMetadata(ctx, "last_import_time", exportTime); err != nil {
// Non-fatal warning (see above comment about graceful degradation)
fmt.Fprintf(os.Stderr, "Warning: failed to update last_import_time: %v\n", err)