fix: remove broken OAuth login, scrub hardcoded project ID, prep for public release

README.md

@@ -16,7 +16,7 @@ Track your Red Bull consumption with per-can logging, barcode scanning, spending
 - **Export** — download your data as Excel or JSON anytime
 - **Material You theming** — every flavour gets its own dynamic colour palette. Dark mode included
 - **Onboarding flow** — guided setup for new users with limit preferences
-- **Appwrite auth** — email/password + OAuth login, row-level security per user
+- **Appwrite auth** — email/password login, row-level security per user
 
 ## Tech Stack
 
@@ -78,8 +78,7 @@ The app runs at `http://localhost:5173`.
 | `VITE_APPWRITE_DATABASE_ID` | Yes | Database ID (default: `redbull_tracker`) |
 | `VITE_APPWRITE_COLLECTION_ID` | Yes | Intake entries collection ID |
 | `VITE_APPWRITE_CHAT_COLLECTION_ID` | Yes | Coach chats collection ID |
-| `VITE_APPWRITE_OAUTH_SUCCESS_URL` | No | OAuth redirect URL |
-| `VITE_APPWRITE_OAUTH_FAILURE_URL` | No | OAuth failure redirect URL |
+
 | `VITE_OLLAMA_PROXY_URL` | No | AI coach proxy endpoint |
 | `OLLAMA_API_KEY` | No | Server-side Ollama API key |
 | `OLLAMA_MODEL` | No | Ollama model for coach (default: `deepseek-v4-pro:cloud`) |