✅ Fix bug: files bigger than 2GB are crashing the app when trying to upload thumbnail. ✅ Fix bug: backups bucket can be empty when the user upgrades plan. ✅ Fix bug: backup does not stop immediately after user clicks Stop. ✅ Fix bug: placeholder error when path is longer than 255. ✅ Fix bug: register sync root throws ACCESS_DENIED (0x80070005). ✅ Add crash report to logs. ✅ Change BRIDGE_URL to use gateway. ✅ Remote item does not exist log. ✅ Show an issue when the file name contains an space at the beginning or the end. ✅ Add the core repo to the monorepo. ✅ Join all frontend processes. ✅ Fix folder remains stuck in "Sync pending" state after move — only updates after quitting the app. ✅ Check refresh token expiration time on startup instead of doing refresh request.