Extract memind_adm admin server, add local dev tooling, and remove image-generation.

Split platform admin and ops APIs into standalone admin-server.mjs with network guards; simplify billing to RMB token pricing, refactor user auth, and add rsync deploy plus local-test scripts and docs.

Co-authored-by: Cursor <cursoragent@cursor.com>

ops/src/main.tsx

@@ -1,13 +1,16 @@
 import { StrictMode } from 'react';
 import { createRoot } from 'react-dom/client';
 import { BrowserRouter } from 'react-router-dom';
+import { AuthProvider } from './lib/auth';
 import { App } from './App';
 import './index.css';
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
     <BrowserRouter basename="/ops">
-      <App />
+      <AuthProvider>
+        <App />
+      </AuthProvider>
     </BrowserRouter>
   </StrictMode>,
 );