chore: get rid of connection factory (#362)

Drive-by User-Agent sniffing and disabling of image type in Cursor.

config.d.ts

@@ -107,19 +107,7 @@ export type Config = {
   };
 
   /**
-   * Configuration for specific tools.
+   * Do not send image responses to the client.
    */
-  tools?: {
-    /**
-     * Configuration for the browser_take_screenshot tool.
-     */
-    browser_take_screenshot?: {
-
-      /**
-       * Whether to disable base64-encoded image responses to the clients that
-       * don't support binary data or prefer to save on tokens.
-      */
-      omitBase64?: boolean;
-    }
-  }
+  noImageResponses?: boolean;
 };