Gallery
Loaded with the Photos Library API from GOOGLE_PHOTOS_ALBUM_ID. Only app-created media appears (API policy)—upload through your Google Cloud project if the album looks full in the Photos app but stays empty here.
Gallery unavailable
Could not refresh Google access token. Set GOOGLE_OAUTH_CLIENT_ID, GOOGLE_OAUTH_CLIENT_SECRET, and a refresh token with scope https://www.googleapis.com/auth/photoslibrary.readonly.appcreateddata (GOOGLE_PHOTOS_REFRESH_TOKEN or YOUTUBE_REFRESH_TOKEN if the same OAuth client was authorized with both scopes).