webui: remove unused packages, refresh deps, and update README

webui/README.md

@@ -1,9 +1,48 @@
-## Run Locally
+# ClawGo WebUI
 
-**Prerequisites:**  Node.js
+React + Vite frontend for ClawGo WebUI.
 
+## What was cleaned
 
-1. Install dependencies:
-   `npm install`
-2. Run the app:
-   `npm run dev`
+- Removed unused packages:
+  - `@google/genai`
+  - `better-sqlite3`
+  - `dotenv`
+  - `@types/react-router-dom` (v5 typings, not used)
+- Moved build-only tooling to `devDependencies` (`vite`, `@vitejs/plugin-react`, `@tailwindcss/vite`, etc.).
+- Updated package metadata/name to `clawgo-webui`.
+
+## Development
+
+### Prerequisites
+
+- Node.js 18+
+
+### Install
+
+```bash
+npm install
+```
+
+### Start local dev server
+
+```bash
+npm run dev
+```
+
+### Build
+
+```bash
+npm run build
+```
+
+### Preview build
+
+```bash
+npm run preview
+```
+
+## Notes
+
+- `server.ts` is a local dev fallback API server.
+- Production deployment uses ClawGo gateway `/webui/api/*` endpoints, not SQLite.