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/components/AdminLayout.tsx

@@ -0,0 +1,38 @@
+import { NavLink, Outlet } from 'react-router-dom';
+
+const links = [
+  { to: '/admin', label: '概览', end: true },
+  { to: '/admin/users', label: '用户管理' },
+  { to: '/admin/llm', label: 'LLM 配置' },
+  { to: '/admin/billing', label: '账单记录' },
+];
+
+export function AdminLayout() {
+  return (
+    <div className="layout">
+      <header>
+        <h1>超级管理后台</h1>
+        <p style={{ color: '#68716c' }}>用户、计费与 LLM 配置</p>
+      </header>
+      <nav className="nav">
+        <NavLink
+          to="/"
+          style={{ opacity: 0.6 }}
+        >
+          ← 运营后台
+        </NavLink>
+        {links.map((link) => (
+          <NavLink
+            key={link.to}
+            to={link.to}
+            end={link.end}
+            className={({ isActive }) => (isActive ? 'active' : undefined)}
+          >
+            {link.label}
+          </NavLink>
+        ))}
+      </nav>
+      <Outlet />
+    </div>
+  );
+}