feat: 完善后台管理+搜索功能+分销系统

主要更新：
- 后台菜单精简（9项→6项）
- 新增搜索功能（敏感信息过滤）
- 分销绑定和提现系统完善
- 数据库初始化API（自动修复表结构）
- 用户管理：显示绑定关系详情
- 小程序：上下章导航优化、匹配页面重构
- 修复hydration和数据类型问题

app/page.tsx

@@ -10,12 +10,13 @@ import { useRouter } from "next/navigation"
 import { Search, ChevronRight, BookOpen, Home, List, User, Users } from "lucide-react"
 import { useStore } from "@/lib/store"
 import { bookData, getTotalSectionCount } from "@/lib/book-data"
+import { SearchModal } from "@/components/search-modal"
 
 export default function HomePage() {
   const router = useRouter()
   const { user } = useStore()
   const [mounted, setMounted] = useState(false)
-  const [searchQuery, setSearchQuery] = useState("")
+  const [searchOpen, setSearchOpen] = useState(false)
 
   const totalSections = getTotalSectionCount()
   const hasFullBook = user?.hasFullBook || false
@@ -64,14 +65,17 @@ export default function HomePage() {
 
         {/* 搜索栏 */}
         <div
-          onClick={() => router.push("/chapters")}
-          className="flex items-center gap-3 px-4 py-3 rounded-xl bg-[#1c1c1e] border border-white/5 cursor-pointer"
+          onClick={() => setSearchOpen(true)}
+          className="flex items-center gap-3 px-4 py-3 rounded-xl bg-[#1c1c1e] border border-white/5 cursor-pointer hover:border-[#00CED1]/30 transition-colors"
         >
           <Search className="w-4 h-4 text-gray-500" />
           <span className="text-gray-500 text-sm">搜索章节...</span>
         </div>
       </header>
 
+      {/* 搜索弹窗 */}
+      <SearchModal open={searchOpen} onOpenChange={setSearchOpen} />
+
       <main className="px-4 space-y-5">
         {/* Banner卡片 - 最新章节 */}
         <div