refactor(agent): replace OMP with Claude Code kernel

electron.vite.config.ts

@@ -10,7 +10,7 @@ const root = process.cwd()
  */
 // node-pty resolves its shipped native/prebuild resources relative to its own package.
 // Preserve that package boundary instead of moving its loader into out/main.
-const builtinsExternal = ['electron', 'node-pty']
+const builtinsExternal = ['electron', 'node-pty', '@anthropic-ai/claude-agent-sdk']
 
 export default defineConfig({
   main: {