feat: add lemonapi gemini preset

app/(admin)/settings/admin-settings-client.tsx

@@ -479,6 +479,25 @@ const PROVIDER_DEFAULT_BASE_URL: Record<string, string> = {
   "volcano-video": "https://ark.cn-beijing.volces.com/api/v3",
 };
 
+const LEMON_OPENAI_BASE_URL = "https://new.lemonapi.site/v1";
+
+const LEMON_PROVIDER_PRESET = {
+  name: "LemonAPI Gemini",
+  type: "openai" as const,
+  baseUrl: LEMON_OPENAI_BASE_URL,
+};
+
+const LEMON_MODEL_PRESETS = [
+  {
+    modelId: "[L]gemini-3.1-pro-preview",
+    displayName: "Gemini-3.1-pro-preview",
+    supportsVision: true,
+    supportsImageGen: false,
+    isMultimodal: true,
+    description: "LemonAPI OpenAI兼容 Gemini 3.1 Pro 预设模型",
+  },
+];
+
 function getProviderDefaultBaseUrl(type?: string) {
   if (!type) return "";
   return PROVIDER_DEFAULT_BASE_URL[type] || "";
@@ -488,6 +507,10 @@ function isHttpUrlLike(value: string) {
   return /^https?:\/\//i.test(value.trim());
 }
 
+function isLemonApiBaseUrl(value?: string | null) {
+  return String(value || "").trim().replace(/\/+$/, "") === LEMON_OPENAI_BASE_URL;
+}
+
 export function AdminSettingsClient() {
   const [activeTab, setActiveTab] = useState("users");
 
@@ -2249,6 +2272,9 @@ export function AdminSettingsClient() {
       const method = editingProvider ? "PUT" : "POST";
       const isNewProvider = !editingProvider;
       const isVolcanoVideo = providerForm.type === 'volcano-video';
+      const isLemonProvider =
+        providerForm.type === "openai" &&
+        isLemonApiBaseUrl(providerForm.baseUrl || getProviderDefaultBaseUrl(providerForm.type));
       const defaultBaseUrl = getProviderDefaultBaseUrl(providerForm.type);
       const normalizedBaseUrl = providerForm.baseUrl.trim();
       
@@ -2306,6 +2332,15 @@ export function AdminSettingsClient() {
           toast.warning('预设模型添加失败，请手动点击"快速添加预设模型"按钮');
         }
       }
+
+      if (isNewProvider && isLemonProvider && providerId) {
+        try {
+          await handleQuickAddLemonModels(providerId);
+        } catch (modelError) {
+          console.error("[Auto Add Lemon Models] Error:", modelError);
+          toast.warning('LemonAPI 预设模型添加失败，请手动点击"快速添加 Gemini 预设模型"按钮');
+        }
+      }
     } catch (error) {
       toast.error("保存提供商失败");
       }
@@ -2412,6 +2447,69 @@ export function AdminSettingsClient() {
     }
   };
 
+  const handleUseLemonProviderPreset = () => {
+    setProviderForm({
+      id: "",
+      name: LEMON_PROVIDER_PRESET.name,
+      type: LEMON_PROVIDER_PRESET.type,
+      baseUrl: LEMON_PROVIDER_PRESET.baseUrl,
+      apiKey: "",
+      isEnabled: true,
+    });
+    setEditingProvider(null);
+    setShowProviderDialog(true);
+  };
+
+  const handleQuickAddLemonModels = async (providerId: string) => {
+    try {
+      toast.info("正在添加 LemonAPI Gemini 预设模型...");
+
+      let addedCount = 0;
+      let duplicateCount = 0;
+
+      for (const preset of LEMON_MODEL_PRESETS) {
+        const response = await fetch("/api/admin/ai-models", {
+          method: "POST",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({
+            providerId,
+            modelId: preset.modelId,
+            displayName: preset.displayName,
+            description: preset.description,
+            supportsVision: preset.supportsVision,
+            supportsImageGen: preset.supportsImageGen,
+            isEnabled: true,
+            isHidden: false,
+            isDefault: false,
+            isAgentModel: false,
+            agentCodingModelId: "",
+            isMultimodal: preset.isMultimodal,
+            sortOrder: 0,
+          }),
+        });
+
+        if (response.ok) {
+          addedCount += 1;
+          continue;
+        }
+
+        duplicateCount += 1;
+      }
+
+      if (addedCount > 0) {
+        toast.success(`成功添加 ${addedCount} 个 LemonAPI 预设模型`);
+        mutateModels();
+      }
+
+      if (addedCount === 0 && duplicateCount > 0) {
+        toast.warning("LemonAPI 预设模型可能已存在");
+      }
+    } catch (error) {
+      console.error("[Quick Add Lemon Models] Error:", error);
+      toast.error("添加 LemonAPI 预设模型失败");
+    }
+  };
+
   // --- AI 模型逻辑 ---
   const resetModelForm = () => {
     setModelForm({
@@ -6443,17 +6541,21 @@ export function AdminSettingsClient() {
         <TabsContent value="ai" className="mt-6 space-y-6">
           <Card>
             <CardHeader className="flex flex-row items-center justify-between">
-                      <div>
+              <div>
                 <CardTitle>AI 提供商</CardTitle>
                 <CardDescription>配置 AI 服务提供商</CardDescription>
               </div>
-              <Dialog open={showProviderDialog} onOpenChange={setShowProviderDialog}>
-                <DialogTrigger asChild>
-                <Button onClick={() => { resetProviderForm(); setShowProviderDialog(true); }}>
-                  <Plus className="mr-2 h-4 w-4" /> 添加提供商
+              <div className="flex items-center gap-2">
+                <Button variant="outline" onClick={handleUseLemonProviderPreset}>
+                  <Sparkles className="mr-2 h-4 w-4" /> LemonAPI Gemini
                 </Button>
-              </DialogTrigger>
-              <DialogContent className="!bg-white !dark:bg-zinc-950">
+                <Dialog open={showProviderDialog} onOpenChange={setShowProviderDialog}>
+                  <DialogTrigger asChild>
+                    <Button onClick={() => { resetProviderForm(); setShowProviderDialog(true); }}>
+                      <Plus className="mr-2 h-4 w-4" /> 添加提供商
+                    </Button>
+                  </DialogTrigger>
+                  <DialogContent className="!bg-white !dark:bg-zinc-950">
                   <DialogHeader>
                     <DialogTitle>{editingProvider ? "编辑提供商" : "添加提供商"}</DialogTitle>
                   </DialogHeader>
@@ -6544,8 +6646,9 @@ export function AdminSettingsClient() {
                     <Button variant="outline" onClick={() => setShowProviderDialog(false)}>取消</Button>
                     <Button onClick={handleSaveProvider}>保存</Button>
                   </DialogFooter>
-                </DialogContent>
-              </Dialog>
+                  </DialogContent>
+                </Dialog>
+              </div>
             </CardHeader>
             <CardContent>
               <div className="space-y-4">
@@ -6570,6 +6673,17 @@ export function AdminSettingsClient() {
                           快速添加预设模型
                         </Button>
                       )}
+                      {provider.type === "openai" && isLemonApiBaseUrl(provider.baseUrl) && (
+                        <Button
+                          variant="secondary"
+                          size="sm"
+                          className="mt-2"
+                          onClick={() => handleQuickAddLemonModels(provider.id)}
+                        >
+                          <Sparkles className="h-4 w-4 mr-1" />
+                          快速添加 Gemini 预设模型
+                        </Button>
+                      )}
                       </div>
                     <div className="flex items-center gap-2">
                       <Button variant="outline" size="sm" onClick={() => {