AI分析功能：LLM Key 改为数据库管理，支持管理员后台配置

web/frontend/src/views/AdminUsersView.vue

@@ -8,6 +8,7 @@ import {
   updateUser,
   type AdminUser,
 } from '@/api/users'
+import { getLLMConfig, saveLLMConfig, type LLMConfig } from '@/api/admin'
 import { useAuthStore } from '@/stores/auth'
 
 const auth = useAuthStore()
@@ -27,6 +28,52 @@ const resetDialog = reactive({
   password: '',
 })
 
+// LLM 配置
+const llmCfg = reactive({
+  base_url: 'https://api.deepseek.com/v1',
+  api_key: '',
+  model: 'deepseek-chat',
+  has_api_key: false,
+  saving: false,
+  loading: false,
+})
+
+async function loadLLMConfig() {
+  llmCfg.loading = true
+  try {
+    const cfg = await getLLMConfig()
+    llmCfg.base_url = cfg.base_url
+    llmCfg.api_key = cfg.api_key || ''
+    llmCfg.model = cfg.model
+    llmCfg.has_api_key = cfg.has_api_key
+  } catch {
+    // ignore
+  } finally {
+    llmCfg.loading = false
+  }
+}
+
+async function submitLLMConfig() {
+  if (!llmCfg.base_url.trim()) {
+    ElMessage.warning('API 地址不能为空')
+    return
+  }
+  llmCfg.saving = true
+  try {
+    await saveLLMConfig({
+      base_url: llmCfg.base_url.trim(),
+      api_key: llmCfg.api_key.trim(),
+      model: llmCfg.model.trim(),
+    })
+    ElMessage.success('LLM 配置已保存')
+    await loadLLMConfig()
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.error || '保存失败')
+  } finally {
+    llmCfg.saving = false
+  }
+}
+
 async function reload() {
   loading.value = true
   try {
@@ -91,7 +138,10 @@ async function remove(u: AdminUser) {
   await reload()
 }
 
-onMounted(reload)
+onMounted(() => {
+  reload()
+  loadLLMConfig()
+})
 </script>
 
 <template>
@@ -145,6 +195,38 @@ onMounted(reload)
       </el-table>
     </div>
 
+    <el-card shadow="never">
+      <template #header>
+        <div class="card-header">
+          <span>🤖 LLM 配置</span>
+          <el-tag :type="llmCfg.has_api_key ? 'success' : 'warning'" size="small">
+            {{ llmCfg.has_api_key ? '已配置' : '未配置' }}
+          </el-tag>
+        </div>
+      </template>
+      <el-form label-width="100px" v-loading="llmCfg.loading" @submit.prevent>
+        <el-form-item label="API 地址">
+          <el-input v-model="llmCfg.base_url" placeholder="https://api.deepseek.com/v1" />
+        </el-form-item>
+        <el-form-item label="API Key">
+          <el-input
+            v-model="llmCfg.api_key"
+            type="password"
+            show-password
+            placeholder="sk-..."
+          />
+        </el-form-item>
+        <el-form-item label="模型">
+          <el-input v-model="llmCfg.model" placeholder="deepseek-chat" />
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" :loading="llmCfg.saving" @click="submitLLMConfig">
+            保存配置
+          </el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+
     <el-dialog v-model="createDialog.visible" title="新建账号" width="420px">
       <el-form label-width="80px">
         <el-form-item label="用户名">
@@ -197,6 +279,11 @@ onMounted(reload)
   align-items: center;
   color: var(--el-text-color-regular);
 }
+.card-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
 .table-wrapper {
   background: var(--el-bg-color);
   border-radius: 4px;