Major refactor: Multi-user Chrome MCP extension with remote server architecture

docs/TOOLS.md

@@ -50,6 +50,7 @@ Navigate to a URL with optional viewport control.
 
 - `url` (string, required): URL to navigate to
 - `newWindow` (boolean, optional): Create new window (default: false)
+- `backgroundPage` (boolean, optional): Open URL in background page using full-size window that gets minimized. Creates window with proper dimensions first, then minimizes for background operation while maintaining web automation compatibility (default: false)
 - `width` (number, optional): Viewport width in pixels (default: 1280)
 - `height` (number, optional): Viewport height in pixels (default: 720)
 
@@ -64,6 +65,15 @@ Navigate to a URL with optional viewport control.
 }
 ```
 
+**Background Page Example**:
+
+```json
+{
+  "url": "https://example.com",
+  "backgroundPage": true
+}
+```
+
 ### `chrome_close_tabs`
 
 Close specific tabs or windows.