feat(F006): APIKey申请结果+详情弹窗显示MCP地址

后端 apply/detail 返回 mcpEndpoint (从 -Dmcp.endpoint 注入),
前端申请弹窗加 MCP地址列, 详情弹窗加 MCP地址行,
用户复制 appId/appSecret/MCP地址 三值到平台助手配置

src/modules/openapi/ApplyApiKeyDialog.vue

@@ -33,6 +33,7 @@ interface ApplyResult {
   customerCode: string
   appId: string
   appSecret: string
+  mcpEndpoint: string
 }
 
 const props = defineProps<{ modelValue: boolean }>()
@@ -349,7 +350,7 @@ function notifyContact() {
     <!-- Step 3: 生成结果 -->
     <div v-if="step === 3 && result">
       <el-alert type="warning" :closable="false" style="margin-bottom: 16px;">
-        请立即复制 appId 和 appSecret!关弹窗后无法再次查看
+        请立即复制 MCP地址、appId 和 appSecret!关弹窗后 appSecret 无法再次查看
       </el-alert>
       <p>已为 {{ result.length }} 个客户生成 APIKey:</p>
       <el-table :data="result" border class="rr-apply-table rr-result-table" size="small">
@@ -359,6 +360,11 @@ function notifyContact() {
             <code class="rr-cell-code">{{ row.appId }}</code>
           </template>
         </el-table-column>
+        <el-table-column prop="mcpEndpoint" label="MCP地址" min-width="220" show-overflow-tooltip>
+          <template #default="{ row }">
+            <code class="rr-cell-code">{{ row.mcpEndpoint || '—' }}</code>
+          </template>
+        </el-table-column>
         <el-table-column label="AppSecret" min-width="200">
           <template #default="{ row }">
             <div class="rr-secret-cell">

src/modules/openapi/OpenAppListView.vue

@@ -362,6 +362,9 @@ onMounted(() => { load(); loadCustomers() })
     >
       <el-descriptions v-if="currentRow" :column="1" border>
         <el-descriptions-item label="AppID">{{ currentRow.appId }}</el-descriptions-item>
+        <el-descriptions-item label="MCP地址">
+          <code>{{ (currentRow as any).mcpEndpoint || '—' }}</code>
+        </el-descriptions-item>
         <el-descriptions-item label="应用名称">{{ currentRow.appName }}</el-descriptions-item>
         <el-descriptions-item label="客户名称">{{ currentRow.customerName || currentRow.customerCode || '—' }}</el-descriptions-item>
         <el-descriptions-item label="客户标识">{{ currentRow.customerCode }}</el-descriptions-item>