feat: 完成 P1 全部功能 + 修复 proxy 导出 + 切换 MySQL 端口至 14013

## P1 功能（20 项）
- 站内消息系统、家长仪表盘、学生考勤管理
- Excel 导入导出、用户批量导入、成绩导出
- 排课规则+自动排课+课表调整
- 成绩趋势+对比分析、密码安全策略、速率限制
- 数据变更日志、文件预览+存储策略、全文检索
- 依赖审计集成 CI、数据库定时备份、E2E 测试完善
- 通知偏好管理

## 基础设施修复
- src/proxy.ts: 将 middleware 导出重命名为 proxy（Next.js 16 要求）
- .env: MySQL 端口从 13002 切换至 14013
- scripts/create-db.ts: 新增数据库初始化脚本

## 架构文档同步
- 004_architecture_impact_map.md 和 005_architecture_data.json
  完整记录所有新增表、模块、路由、权限、依赖关系

src/modules/messaging/components/notification-list.tsx

@@ -0,0 +1,141 @@
+"use client"
+
+import { useState } from "react"
+import Link from "next/link"
+import { useRouter } from "next/navigation"
+import { toast } from "sonner"
+import { Bell, CheckCheck, MessageSquare, Megaphone, PenTool, GraduationCap } from "lucide-react"
+
+import { Badge } from "@/shared/components/ui/badge"
+import { Button } from "@/shared/components/ui/button"
+import { Card, CardContent } from "@/shared/components/ui/card"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { formatDate } from "@/shared/lib/utils"
+
+import { markAllNotificationsAsReadAction, markNotificationAsReadAction } from "../actions"
+import type { Notification, NotificationType } from "../types"
+
+const TYPE_ICON: Record<NotificationType, typeof Bell> = {
+  message: MessageSquare,
+  announcement: Megaphone,
+  homework: PenTool,
+  grade: GraduationCap,
+}
+
+const TYPE_LABEL: Record<NotificationType, string> = {
+  message: "Message",
+  announcement: "Announcement",
+  homework: "Homework",
+  grade: "Grade",
+}
+
+export function NotificationList({ notifications }: { notifications: Notification[] }) {
+  const router = useRouter()
+  const [isWorking, setIsWorking] = useState(false)
+  const hasUnread = notifications.some((n) => !n.isRead)
+
+  const handleMarkAllRead = async () => {
+    setIsWorking(true)
+    try {
+      const res = await markAllNotificationsAsReadAction()
+      if (res.success) {
+        toast.success(res.message)
+        router.refresh()
+      } else {
+        toast.error(res.message || "Failed to mark all as read")
+      }
+    } catch {
+      toast.error("Failed to mark all as read")
+    } finally {
+      setIsWorking(false)
+    }
+  }
+
+  const handleMarkRead = async (id: string) => {
+    try {
+      const res = await markNotificationAsReadAction(id)
+      if (res.success) {
+        router.refresh()
+      }
+    } catch {
+      toast.error("Failed to mark as read")
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      <div className="flex flex-wrap items-center justify-between gap-3">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Notifications</h2>
+          <p className="text-muted-foreground text-sm">Stay updated on your latest activities.</p>
+        </div>
+        {hasUnread ? (
+          <Button onClick={handleMarkAllRead} disabled={isWorking} variant="outline">
+            <CheckCheck className="mr-2 h-4 w-4" />
+            Mark all as read
+          </Button>
+        ) : null}
+      </div>
+
+      {notifications.length === 0 ? (
+        <EmptyState
+          title="No notifications"
+          description="You have no notifications yet."
+          icon={Bell}
+          className="h-auto border-none shadow-none"
+        />
+      ) : (
+        <div className="space-y-3">
+          {notifications.map((n) => {
+            const Icon = TYPE_ICON[n.type] ?? Bell
+            return (
+              <Card
+                key={n.id}
+                className={`transition-colors ${!n.isRead ? "border-primary/40 bg-primary/5" : ""}`}
+              >
+                <CardContent className="flex items-start gap-3 py-4">
+                  <div className="bg-muted flex size-9 shrink-0 items-center justify-center rounded-full">
+                    <Icon className="h-4 w-4" />
+                  </div>
+                  <div className="min-w-0 flex-1 space-y-1">
+                    <div className="flex items-center gap-2">
+                      <span className={`text-sm ${!n.isRead ? "font-semibold" : "font-medium"}`}>
+                        {n.title}
+                      </span>
+                      {!n.isRead ? <Badge variant="default" className="text-xs">New</Badge> : null}
+                    </div>
+                    {n.content ? (
+                      <p className="text-muted-foreground line-clamp-2 text-sm whitespace-pre-wrap">
+                        {n.content}
+                      </p>
+                    ) : null}
+                    <div className="flex items-center gap-2 text-xs text-muted-foreground">
+                      <Badge variant="outline" className="text-xs">
+                        {TYPE_LABEL[n.type]}
+                      </Badge>
+                      <span>{formatDate(n.createdAt)}</span>
+                      {!n.isRead ? (
+                        <button
+                          type="button"
+                          onClick={() => handleMarkRead(n.id)}
+                          className="text-primary hover:underline"
+                        >
+                          Mark as read
+                        </button>
+                      ) : null}
+                      {n.link ? (
+                        <Link href={n.link} className="ml-auto text-primary hover:underline">
+                          View
+                        </Link>
+                      ) : null}
+                    </div>
+                  </div>
+                </CardContent>
+              </Card>
+            )
+          })}
+        </div>
+      )}
+    </div>
+  )
+}