feat: add data source

frontend/src/components/Sidebar.tsx

@@ -1,7 +1,7 @@
 import { Sheet, SheetContent, SheetTrigger } from "@/components/ui/sheet";
 import { Button } from "@/components/ui/button";
 import { ScrollArea } from "@/components/ui/scroll-area";
-import { Menu, LayoutDashboard, Plus, MoreVertical, User, Search, Wrench, Settings, Brain, Trash2, Pencil, Pin, Archive } from "lucide-react";
+import { Menu, LayoutDashboard, Plus, MoreVertical, User, Search, Wrench, Settings, Brain, Trash2, Pencil, Pin, Archive, Database } from "lucide-react";
 import { useState, useRef, useEffect } from "react";
 import { Link, useNavigate, useLocation } from "react-router-dom";
 import { useAuthStore } from "@/store/authStore";
@@ -465,6 +465,17 @@ function SidebarBody() {
                   <Brain className="h-4 w-4 text-zinc-500" />
                   模型配置
                 </button>
+
+                <button
+                  className="w-full flex items-center gap-2 px-3 py-2 text-sm text-zinc-700 hover:bg-zinc-100 transition-colors"
+                  onClick={() => {
+                    navigate("/datasources");
+                    setShowUserMenu(false);
+                  }}
+                >
+                  <Database className="h-4 w-4 text-zinc-500" />
+                  数据源配置
+                </button>
                 
                 <button 
                   className="w-full flex items-center gap-2 px-3 py-2 text-sm text-indigo-600 hover:bg-indigo-50 transition-colors"