feat(push-config): 小米推送配置新增 Android 包名字段

packageName 字段由租户在推送配置页维护，对应 Xiaomi MiPush
restricted_package_name，服务端凭此正确路由推送。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tenant-platform/src/api/app.ts

@@ -61,6 +61,7 @@ export interface PushVendorConfig {
   appId?: string
   appKey?: string
   appSecret?: string
+  packageName?: string
   masterSecret?: string
   clientId?: string
   clientSecret?: string

tenant-platform/src/views/push/PushConfigView.vue

@@ -206,7 +206,7 @@ function updateViewport() {
 
 const pushConfig = reactive<Required<PushServiceConfig>>({
   huawei: { appId: '', appSecret: '' },
-  xiaomi: { appId: '', appKey: '', appSecret: '' },
+  xiaomi: { appId: '', appKey: '', appSecret: '', packageName: '' },
   oppo: { appId: '', appKey: '', masterSecret: '' },
   vivo: { appId: '', appKey: '', appSecret: '' },
   honor: { appId: '', clientId: '', clientSecret: '' },
@@ -250,11 +250,12 @@ const vendorDefs: VendorDef[] = [
   {
     key: 'xiaomi',
     label: '小米 MiPush',
-    hint: '填写 AppId / AppKey / AppSecret。',
+    hint: '填写 AppId / AppKey / AppSecret 及 Android 包名。',
     fields: [
       { key: 'appId', label: 'AppId' },
       { key: 'appKey', label: 'AppKey' },
       { key: 'appSecret', label: 'AppSecret' },
+      { key: 'packageName', label: 'Android 包名', placeholder: 'com.example.app' },
     ],
   },
   {
@@ -354,7 +355,7 @@ function applyConfig(raw?: string | null) {
 
 function resetPushConfig() {
   pushConfig.huawei = { appId: '', appSecret: '' }
-  pushConfig.xiaomi = { appId: '', appKey: '', appSecret: '' }
+  pushConfig.xiaomi = { appId: '', appKey: '', appSecret: '', packageName: '' }
   pushConfig.oppo = { appId: '', appKey: '', masterSecret: '' }
   pushConfig.vivo = { appId: '', appKey: '', appSecret: '' }
   pushConfig.honor = { appId: '', clientId: '', clientSecret: '' }