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/bare-os/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.25)
+
+find_package(cmake-bare REQUIRED PATHS node_modules/cmake-bare)
+
+project(bare_os C)
+
+add_bare_module(bare_os)
+
+target_sources(
+  ${bare_os}
+  PRIVATE
+    binding.c
+)