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/message-list.tsx

@@ -0,0 +1,117 @@
+"use client"
+
+import { useMemo, useState } from "react"
+import Link from "next/link"
+import { Mail, MailOpen, Plus, Send, Inbox } from "lucide-react"
+
+import { Badge } from "@/shared/components/ui/badge"
+import { Button } from "@/shared/components/ui/button"
+import { Card, CardContent, CardHeader } from "@/shared/components/ui/card"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { Tabs, TabsList, TabsTrigger } from "@/shared/components/ui/tabs"
+import { formatDate } from "@/shared/lib/utils"
+import { usePermission } from "@/shared/hooks/use-permission"
+import { Permissions } from "@/shared/types/permissions"
+
+import type { Message, MessageType } from "../types"
+
+type Tab = "inbox" | "sent"
+
+export function MessageList({
+  messages,
+  currentUserId,
+  initialType = "inbox",
+}: {
+  messages: Message[]
+  currentUserId: string
+  initialType?: MessageType
+}) {
+  const [tab, setTab] = useState<Tab>(initialType === "sent" ? "sent" : "inbox")
+  const { hasPermission } = usePermission()
+  const canSend = hasPermission(Permissions.MESSAGE_SEND)
+
+  const filtered = useMemo(() => {
+    if (tab === "inbox") return messages.filter((m) => m.receiverId === currentUserId)
+    return messages.filter((m) => m.senderId === currentUserId)
+  }, [messages, tab, currentUserId])
+
+  return (
+    <div className="space-y-6">
+      <div className="flex flex-wrap items-center justify-between gap-3">
+        <Tabs value={tab} onValueChange={(v) => setTab(v as Tab)}>
+          <TabsList>
+            <TabsTrigger value="inbox" className="gap-2">
+              <Inbox className="h-4 w-4" />
+              Inbox
+            </TabsTrigger>
+            <TabsTrigger value="sent" className="gap-2">
+              <Send className="h-4 w-4" />
+              Sent
+            </TabsTrigger>
+          </TabsList>
+        </Tabs>
+        {canSend ? (
+          <Button asChild>
+            <Link href="/messages/compose">
+              <Plus className="mr-2 h-4 w-4" />
+              Compose
+            </Link>
+          </Button>
+        ) : null}
+      </div>
+
+      {filtered.length === 0 ? (
+        <EmptyState
+          title={tab === "inbox" ? "Inbox is empty" : "No sent messages"}
+          description={
+            tab === "inbox"
+              ? "You have no incoming messages yet."
+              : "You have not sent any messages yet."
+          }
+          icon={Mail}
+          className="h-auto border-none shadow-none"
+        />
+      ) : (
+        <div className="space-y-3">
+          {filtered.map((m) => {
+            const isReceived = m.receiverId === currentUserId
+            const counterpart = isReceived ? m.senderName : m.receiverName
+            const unread = isReceived && !m.isRead
+            return (
+              <Link key={m.id} href={`/messages/${m.id}`} className="block">
+                <Card className={`transition-colors hover:bg-accent/50 ${unread ? "border-primary/40" : ""}`}>
+                  <CardHeader className="flex flex-row items-start justify-between gap-2 space-y-0 pb-3">
+                    <div className="space-y-1">
+                      <div className="flex items-center gap-2">
+                        {unread ? (
+                          <Mail className="h-4 w-4 text-primary" />
+                        ) : (
+                          <MailOpen className="text-muted-foreground h-4 w-4" />
+                        )}
+                        <span className={`text-sm font-medium ${unread ? "text-primary" : ""}`}>
+                          {m.subject ?? "(no subject)"}
+                        </span>
+                        {unread ? <Badge variant="default" className="text-xs">New</Badge> : null}
+                      </div>
+                      <p className="text-muted-foreground text-xs">
+                        {isReceived ? "From" : "To"}: {counterpart ?? "Unknown"}
+                      </p>
+                    </div>
+                    <span className="text-muted-foreground shrink-0 text-xs">
+                      {formatDate(m.createdAt)}
+                    </span>
+                  </CardHeader>
+                  <CardContent className="pt-0">
+                    <p className="text-muted-foreground line-clamp-2 text-sm whitespace-pre-wrap">
+                      {m.content}
+                    </p>
+                  </CardContent>
+                </Card>
+              </Link>
+            )
+          })}
+        </div>
+      )}
+    </div>
+  )
+}