fix 一键组合只上传邮箱列表，服务端再从数据库加载完整账号

public/app.js

@@ -3025,14 +3025,23 @@ function geminiApp() {
       this.addLog(`🚀 启动任务: ${taskType}, 账号数: ${requestedCount}, 并发: ${taskThreadCount}${monitorText}`, 'info');
 
       try {
+        // AI Studio 一键组合可能一次选择上万个账号。这里只提交邮箱引用，
+        // 完整账号由服务端从数据库重新加载，避免请求体超过 Express 的 10MB 限制。
+        const taskRequestBody = taskType === 'aistudio_combo'
+          ? {
+              taskType,
+              accountEmails: taskAccounts.map(account => account.email),
+              params: taskParams,
+            }
+          : {
+              taskType,
+              accounts: taskAccounts,
+              params: taskParams,
+            };
         const res = await fetch('/api/operations/run', {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({
-            taskType,
-            accounts: taskAccounts,
-            params: taskParams,
-          }),
+          body: JSON.stringify(taskRequestBody),
         });
         const data = await res.json();
         if (!data.success) {