Support optional CLI and MCP in Windows source archives

docs/BUILDING.md

@@ -210,11 +210,23 @@ python tools/embeddinggemma2/build_runtime.py --backend auto --jobs 2
 python tools/embeddinggemma2/stage_runtime.py --backend auto
 python tools/media-runtime/provision.py --stage
 Set-Location apps/desktop
-npm run tauri -- build --no-bundle
+npm run tauri -- build --features custom-protocol --no-bundle
 Set-Location ../..
 python tools/package_windows.py
 ```
 
+To include the CLI and read-only MCP server in this source archive:
+
+```powershell
+cargo build --release -p searchi-cli --locked
+python tools/package_windows.py --cli target/release/searchi.exe
+```
+
+The additional binary is named `searchi-cli.exe`; `searchi.exe` remains the
+desktop launcher. Its model cache and database must be selected explicitly,
+as described in [agent integration](AGENT-INTEGRATION.md). This option does not
+add the CLI to the already published v0.1.0 installer.
+
 The generated `.searchi/packages/searchi-windows.zip` contains the desktop,
 matching-architecture Google worker, FFmpeg/FFprobe and notices. It excludes
 model caches, local settings and indexes. `PACKAGE.json` records SHA-256 for