# GEMINI_API_KEY: Required for Gemini AI API calls. # AI Studio automatically injects this at runtime from user secrets. # Users configure this via the Secrets panel in the AI Studio UI. GROK_API_KEY="your_grok_api_key_here" # APP_URL: The URL where this applet is hosted. # AI Studio automatically injects this at runtime with the Cloud Run service URL. # Used for self-referential links, OAuth callbacks, and API endpoints. APP_URL="MY_APP_URL"