Update src/backup.ts

src/backup.ts

@@ -26,10 +26,7 @@ export type BackupResult = BackupDisabled | BackupSuccess | BackupFailure;
 
 const REMOTE = process.env.RCLONE_BACKUP_REMOTE || '';
 const TIMEOUT_MS = Number(process.env.RCLONE_BACKUP_TIMEOUT_MS || 120_000);
-
-function timestampFileName(): string {
-  return `promptlib-${new Date().toISOString().replace(/[:.]/g, '-')}.sqlite`;
-}
+const BACKUP_FILE = 'promptlib-latest.sqlite';
 
 function joinRcloneTarget(remote: string, fileName: string): string {
   if (remote.endsWith(':') || remote.endsWith('/')) return `${remote}${fileName}`;
@@ -84,7 +81,7 @@ export async function backupDatabaseToRclone(): Promise<BackupResult> {
   }
 
   const tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), 'promptlib-backup-'));
-  const fileName = timestampFileName();
+  const fileName = BACKUP_FILE;
   const snapshot = path.join(tmpDir, fileName);
   const target = joinRcloneTarget(REMOTE, fileName);