feat: Metrix 平台按需启用与数据源合并为外部储存

frontend/src/components/LicenseActivationModal.vue

@@ -16,6 +16,10 @@
         placeholder="请输入激活码"
         :disabled="activationLoading"
       />
+      <div class="license-metrix-toggle">
+        <n-switch v-model:value="metrixEnabled" :loading="savingMetrix" size="small" @update:value="toggleMetrix" />
+        <span class="license-metrix-label">启用 Metrix 平台</span>
+      </div>
     </div>
     <template #footer>
       <div class="license-dialog-footer">
@@ -31,17 +35,21 @@ import { onMounted, ref } from 'vue';
 import { useMessage } from 'naive-ui';
 
 import { apiGet, apiPost } from '../api/client';
-import type { LicenseStatus } from '../types';
+import type { AppConfig, LicenseStatus } from '../types';
 
 const visible = defineModel<boolean>('show', { required: true });
+const emit = defineEmits<{ metrixChanged: [enabled: boolean] }>();
 const message = useMessage();
 const activationCode = ref('');
 const activationLoading = ref(false);
 const activationKeyLabel = ref('2026/12/30');
 const licenseMessage = ref('输入激活码可将授权到期日期延长 30 天。');
+const metrixEnabled = ref(false);
+const savingMetrix = ref(false);
 
 onMounted(() => {
   void loadLicenseStatus();
+  void loadMetrixEnabled();
 });
 
 async function loadLicenseStatus() {
@@ -55,6 +63,29 @@ async function loadLicenseStatus() {
   }
 }
 
+async function loadMetrixEnabled() {
+  try {
+    const config = await apiGet<AppConfig>('/api/config/full');
+    metrixEnabled.value = config.metrix_enabled ?? false;
+  } catch {
+    metrixEnabled.value = false;
+  }
+}
+
+async function toggleMetrix(enabled: boolean) {
+  savingMetrix.value = true;
+  try {
+    await apiPost('/api/config/metrix-enabled', { enabled });
+    metrixEnabled.value = enabled;
+    emit('metrixChanged', enabled);
+  } catch (error) {
+    metrixEnabled.value = !enabled;
+    message.error(error instanceof Error ? error.message : '保存失败');
+  } finally {
+    savingMetrix.value = false;
+  }
+}
+
 async function submitActivation() {
   const code = activationCode.value.trim();
   if (!code) {
@@ -76,3 +107,18 @@ async function submitActivation() {
   }
 }
 </script>
+
+<style scoped>
+.license-metrix-toggle {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-top: 16px;
+  padding-top: 12px;
+  border-top: 1px solid var(--n-border-color, #e0e0e6);
+}
+.license-metrix-label {
+  font-size: 13px;
+  color: var(--n-text-color-3, #999);
+}
+</style>

frontend/src/components/SettingsPanel.vue

@@ -4,16 +4,15 @@
 
     <n-card size="small" class="work-card settings-tabs-card">
       <n-tabs type="line" animated class="settings-tabs">
-        <n-tab-pane name="backend" tab="数据源 / 仓库">
+        <n-tab-pane v-if="metrixEnabledRef" name="backend" tab="数据源 / 仓库">
           <div class="settings-database-panel">
             <div class="settings-database-stack">
               <n-card title="后端类型" size="small" class="work-card">
                 <n-form label-placement="top">
                   <n-form-item label="数据源">
                     <n-radio-group v-model:value="sourceType">
-                      <n-radio-button value="sftp">SFTP</n-radio-button>
-                      <n-radio-button value="ftp">FTP</n-radio-button>
-                      <n-radio-button value="metrix">Metrix 存储平台</n-radio-button>
+                      <n-radio-button value="external">外部储存</n-radio-button>
+                      <n-radio-button value="metrix">Metrix 储存平台</n-radio-button>
                     </n-radio-group>
                   </n-form-item>
                   <n-form-item label="数据仓库">
@@ -22,7 +21,7 @@
                       <n-radio-button value="metrix">Metrix 数据库平台</n-radio-button>
                     </n-radio-group>
                   </n-form-item>
-                  <p class="form-hint">主数据源和数据仓库可独立选择；CellData 单独配置。</p>
+                  <p class="form-hint">数据源和数据仓库可独立选择；CellData 单独配置。</p>
                 </n-form>
                 <template #footer>
                   <n-space justify="end">
@@ -819,6 +818,7 @@ import type {
   RemoteSchedulerStatus
 } from '../types';
 import { showDownloadCompleteDialog } from '../composables/downloadFeedback';
+import { metrixEnabled as metrixEnabledRef } from '../composables/metrixEnabled';
 import { resetPageHeader, setPageHeader } from '../composables/pageHeader';
 
 interface ExtractFieldConfig {
@@ -882,7 +882,7 @@ const savingCellDataSettings = ref(false);
 const validatingCellDataSettings = ref(false);
 const savingBackend = ref(false);
 const savingMetrix = ref(false);
-const sourceType = ref<'ftp' | 'sftp' | 'metrix'>('sftp');
+const sourceType = ref<'external' | 'metrix'>('external');
 const warehouseType = ref<'mysql' | 'metrix'>('mysql');
 const savingDirectoryMappings = ref(false);
 const savingHistoryRetention = ref(false);
@@ -1120,7 +1120,7 @@ async function loadConfig() {
   try {
     const config = await apiGet<AppConfig>('/api/config/full');
     configUpdate.value = config.update;
-    sourceType.value = config.source_type || 'sftp';
+    sourceType.value = (config.source_type === 'metrix' ? 'metrix' : 'external') as 'external' | 'metrix';
     warehouseType.value = config.warehouse_type || 'mysql';
     if (config.metrix) {
       metrixForm.base_url = config.metrix.base_url || '';