fix: save provider and photoroomApiKey in RMBG config

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

@@ -822,8 +822,13 @@ export function AdminSettingsClient() {
   // --- 抠图API配置逻辑 ---
   const handleSaveRmbgConfig = async () => {
     try {
-      if (!rmbgConfig.apiUrl.trim()) {
+      // 根据选择的提供商验证配置
-        toast.error("请填写API地址");
+      if (rmbgConfig.provider === "rmbg" && !rmbgConfig.apiUrl.trim()) {
+        toast.error("请填写RMBG API地址");
+        return;
+      }
+      if (rmbgConfig.provider === "photoroom" && !rmbgConfig.photoroomApiKey.trim()) {
+        toast.error("请填写PhotoRoom API密钥");
         return;
       }
 
@@ -833,8 +838,10 @@ export function AdminSettingsClient() {
         body: JSON.stringify({
           key: "rmbg_api_config",
           value: {
+            provider: rmbgConfig.provider,
             apiUrl: rmbgConfig.apiUrl.trim(),
             apiKey: rmbgConfig.apiKey.trim() || undefined,
+            photoroomApiKey: rmbgConfig.photoroomApiKey.trim() || undefined,
           },
         }),
       });