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+# AI Support Desk
+
+This is a simple AI Support Desk application powered by the Google Gemini API.
+
+## Setup
+
+1. **Install dependencies:**
+   ```bash
+   npm install
+   ```
+
+2. **Set API Key:**
+   Set your Google Gemini API key as an environment variable named `GOOGLE_API_KEY` or `GEMINI_API_KEY`.
+
+   Example (Linux/macOS):
+   ```bash
+   export GOOGLE_API_KEY="YOUR_API_KEY"
+   ```
+   Example (Windows):
+   ```cmd
+   set GOOGLE_API_KEY="YOUR_API_KEY"
+   ```
+
+## Running the application
+
+```bash
+npm start
+```
+
+Then, open your browser to `http://localhost:3000`.
+
+## Smoke Test
+
+To run a smoke test that starts the server and tests the `/health` and `/api/chat` endpoints:
+
+```bash
+npm run smoke-test
+```
+