Add Brave CDP automation, replace Oracle browser mode

Connects to user's running Brave via Chrome DevTools Protocol
to automate ChatGPT interaction. Uses puppeteer-core to open a
tab, send the prompt, wait for response, and extract the result.

No cookies, no separate profiles, no copy/paste. Just connects
to the browser where the user is already logged in.

One-time setup: relaunch Brave with --remote-debugging-port=9222

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/chromium-bidi/lib/cjs/protocol/generated/webdriver-bidi-permissions.d.ts

@@ -0,0 +1,49 @@
+/**
+ * Copyright 2024 Google LLC.
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * THIS FILE IS AUTOGENERATED by cddlconv 0.1.7.
+ * Run `node tools/generate-bidi-types.mjs` to regenerate.
+ * @see https://github.com/w3c/webdriver-bidi/blob/master/index.bs
+ */
+export type PermissionsCommand = Permissions.SetPermission;
+export declare namespace Permissions {
+    type PermissionDescriptor = {
+        name: string;
+    };
+}
+export declare namespace Permissions {
+    const enum PermissionState {
+        Granted = "granted",
+        Denied = "denied",
+        Prompt = "prompt"
+    }
+}
+export declare namespace Permissions {
+    type SetPermission = {
+        method: 'permissions.setPermission';
+        params: Permissions.SetPermissionParameters;
+    };
+}
+export declare namespace Permissions {
+    type SetPermissionParameters = {
+        descriptor: Permissions.PermissionDescriptor;
+        state: Permissions.PermissionState;
+        origin: string;
+        embeddedOrigin?: string;
+        userContext?: string;
+    };
+}