polish(admin): 补齐侧栏菜单缺失图标，全项统一对齐

之前 登录设置/语音设置/微信用户/订阅 四项无 ICON_MAP 条目→图标位空、与兄弟项不齐。
补齐 heroicons 描边风一致图标:登录设置=钥匙、语音设置=麦克风、微信用户=聊天气泡、
订阅=循环;删掉无对应路由的死条目 usage。现 17 条路由全有图标。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

sundynix-admin/src/shell/AppShell.tsx

@@ -13,11 +13,6 @@ const ICON_MAP: Record<string, React.ReactNode> = {
       <path strokeLinecap="round" strokeLinejoin="round" d="M4 6a2 2 0 012-2h2a2 2 0 012 2v4a2 2 0 01-2 2H6a2 2 0 01-2-2V6zM14 6a2 2 0 012-2h2a2 2 0 012 2v10a2 2 0 01-2 2h-2a2 2 0 01-2-2V6zM4 16a2 2 0 012-2h2a2 2 0 012 2v2a2 2 0 01-2 2H6a2 2 0 01-2-2v-2z" />
     </svg>
   ),
-  usage: (
-    <svg className="h-4 w-4" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
-      <path strokeLinecap="round" strokeLinejoin="round" d="M9 8h6m-5 0a3 3 0 110 6m0-6V7a1 1 0 112 0v1m-1 5a1.5 1.5 0 100-3m0 3v1m0-1a1.5 1.5 0 100-3m-3-3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
-    </svg>
-  ),
   models: (
     <svg className="h-4 w-4" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
       <path strokeLinecap="round" strokeLinejoin="round" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
@@ -54,6 +49,21 @@ const ICON_MAP: Record<string, React.ReactNode> = {
       <path strokeLinecap="round" strokeLinejoin="round" d="M12 15v2m-6 4h12a2 2 0 002-2v-6a2 2 0 00-2-2H6a2 2 0 00-2 2v6a2 2 0 002 2zm10-10V7a4 4 0 00-8 0v4h8z" />
     </svg>
   ),
+  "login-config": (
+    <svg className="h-4 w-4" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+      <path strokeLinecap="round" strokeLinejoin="round" d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11 17H9v2H7v2H4a1 1 0 01-1-1v-2.586a1 1 0 01.293-.707l5.964-5.964A6 6 0 1121 9z" />
+    </svg>
+  ),
+  "voice-config": (
+    <svg className="h-4 w-4" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+      <path strokeLinecap="round" strokeLinejoin="round" d="M19 11a7 7 0 01-7 7m0 0a7 7 0 01-7-7m7 7v4m0 0H8m4 0h4m-4-8a3 3 0 01-3-3V5a3 3 0 116 0v6a3 3 0 01-3 3z" />
+    </svg>
+  ),
+  "wechat-users": (
+    <svg className="h-4 w-4" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+      <path strokeLinecap="round" strokeLinejoin="round" d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
+    </svg>
+  ),
   tenants: (
     <svg className="h-4 w-4" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
       <path strokeLinecap="round" strokeLinejoin="round" d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0zm6 3a2 2 0 11-4 0 2 2 0 014 0zM7 10a2 2 0 11-4 0 2 2 0 014 0z" />
@@ -80,6 +90,11 @@ const ICON_MAP: Record<string, React.ReactNode> = {
       <path strokeLinecap="round" strokeLinejoin="round" d="M9 14l2 2 4-4M7 21h10a2 2 0 002-2V7l-4-4H7a2 2 0 00-2 2v14a2 2 0 002 2z" />
     </svg>
   ),
+  "payment/subscription": (
+    <svg className="h-3.5 w-3.5" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+      <path strokeLinecap="round" strokeLinejoin="round" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
+    </svg>
+  ),
 };
 
 // 二级菜单（parent）自己的图标，按 parent 名索引。