feat: introduced OMP Browser Relay extension with CDP RPC execution

- Implement the OMP Browser Relay extension with WebSocket communication and CDP RPC execution.
- Add browser relay server, daemon management, and bridge multiplexing in the coding agent.
- Introduce CLI commands and settings schema options for configuring and installing the relay.
- Add utility functions and test suites supporting environment parsing and relay lifecycle handling.

.github/workflows/ci.yml

@@ -747,12 +747,17 @@ jobs:
               pattern: omp-binary-*
               path: packages/coding-agent/binaries
               merge-multiple: true
+         # Dependency-free build (bun APIs + zip only), so no `bun install`
+         # is needed on this runner.
+         - name: Build browser relay artifacts
+           run: bun run --cwd packages/browser-relay build
          - name: Create GitHub Release
            uses: softprops/action-gh-release@3bb12739c298aeb8a4eeaf626c5b8d85266b0e65 # v2.6.2
            with:
               tag_name: ${{ needs.release_metadata.outputs.release-tag }}
               files: |
                  packages/coding-agent/binaries/omp-*
+                 packages/browser-relay/dist/omp-browser-relay-extension.zip
               body_path: release-notes.md
               generate_release_notes: true