[2026-04-23 12:16:02] [INFO] === DROPBOX AUTO TOKEN REFRESH START ===
[2026-04-23 12:16:02] [INFO] Version: 6.0 (backup_database/ folder)
[2026-04-23 12:16:02] [INFO] ✅ Database connected: admindtdagency_chat_dtdagency
[2026-04-23 12:16:02] [SKIP] Dropbox chưa được kích hoạt, bỏ qua
[2026-04-23 12:16:02] [INFO] === DROPBOX AUTO TOKEN REFRESH END ===