chore: 提交所有工作进度 — SaaS 后端增强、Admin UI、桌面端集成

包含大量 SaaS 平台改进、Admin 管理后台更新、桌面端集成完善、
文档同步、测试文件重构等内容。为 QA 测试准备干净工作树。

desktop/src/components/Sidebar.tsx

@@ -2,7 +2,7 @@ import { useState } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
 import {
   Bot, Zap, Package,
-  Search, Sparkles, ChevronRight, X
+  Search, ChevronRight, X
 } from 'lucide-react';
 import { CloneManager } from './CloneManager';
 import { useConfigStore } from '../store/configStore';
@@ -33,8 +33,7 @@ const NAV_ITEMS: {
 export function Sidebar({
   onOpenSettings,
   onMainViewChange,
-  onNewChat
-}: SidebarProps) {
+}: Omit<SidebarProps, 'onNewChat'>) {
   const [activeTab, setActiveTab] = useState<Tab>('clones');
   const [searchQuery, setSearchQuery] = useState('');
   const userName = useConfigStore((state) => state.quickConfig?.userName) || '用户7141';
@@ -72,20 +71,6 @@ export function Sidebar({
         </div>
       </div>
 
-      {/* 新对话按钮 */}
-      <div className="px-3 py-2">
-        <button
-          onClick={() => {
-            setActiveTab('clones');
-            onNewChat?.();
-          }}
-          className="w-full flex items-center gap-3 px-3 py-2 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-lg text-gray-700 dark:text-gray-300 transition-colors group"
-        >
-          <Sparkles className="w-5 h-5 text-gray-500" />
-          <span className="font-medium">新对话</span>
-        </button>
-      </div>
-
       {/* 导航项 */}
       <nav className="px-3 space-y-0.5">
         {NAV_ITEMS.map(({ key, label, icon: Icon, mainView }) => (