feat: Implement server-managed camera settings with new API endpoints, client-side application, and updated documentation.

README.md

@@ -156,6 +156,51 @@ curl -H "X-API-Key: your-secret-key" http://localhost:3080/stats/front-door
 }
 ```
 
+### Get Camera Settings
+
+```bash
+GET /settings/:cameraId
+```
+
+Get v4l2 camera settings (focus, exposure, etc.) for a camera.
+
+**Example:**
+```bash
+curl -H "X-API-Key: your-secret-key" http://localhost:3080/settings/front-door
+```
+
+**Response:**
+```json
+{
+  "cameraId": "front-door",
+  "settings": {
+    "focus_automatic_continuous": 0,
+    "focus_absolute": 30,
+    "exposure_auto": 1,
+    "exposure_absolute": 200,
+    "brightness": 0,
+    "contrast": 32
+  }
+}
+```
+
+### Update Camera Settings
+
+```bash
+PUT /settings/:cameraId
+```
+
+Update camera settings. Settings are applied by the capture client via v4l2-ctl.
+
+**Example:**
+```bash
+curl -X PUT \
+  -H "X-API-Key: your-secret-key" \
+  -H "Content-Type: application/json" \
+  -d '{"focus_absolute": 40, "exposure_absolute": 250}' \
+  http://localhost:3080/settings/front-door
+```
+
 ## Storage Structure
 
 Images are stored in a hierarchical directory structure optimized for time-lapse processing: