feat(admin): 补全 admin 模块核心功能与产品体验优化

修复 v4 报告中的 13 个产品体验问题：新增用户管理列表页和系统设置页，重组导航菜单并补充缺失入口，增加角色切换机制，Dashboard 增加快捷操作和 recharts 趋势图表，考勤增加统计概览，排课增加课表网格视图，统一 Toast 操作反馈，同步更新架构文档

src/modules/settings/components/admin-settings-view.tsx

@@ -1,68 +1,195 @@
 "use client"
 
-import Link from "next/link"
-import { Building2 } from "lucide-react"
+import * as React from "react"
+import { toast } from "sonner"
+import { School, Shield, Database, Bell } from "lucide-react"
 
-import { SettingsView } from "@/modules/settings/components/settings-view"
 import { Button } from "@/shared/components/ui/button"
-import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/shared/components/ui/card"
 import { Input } from "@/shared/components/ui/input"
 import { Label } from "@/shared/components/ui/label"
+import { Textarea } from "@/shared/components/ui/textarea"
+import { Switch } from "@/shared/components/ui/switch"
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/shared/components/ui/card"
 import { Separator } from "@/shared/components/ui/separator"
-import { UserProfile } from "@/modules/users/data-access"
-import type { NotificationPreferences } from "@/modules/notifications/types"
 
-interface AdminSettingsViewProps {
-  user: UserProfile
-  notificationPreferences: NotificationPreferences
-}
+export function AdminSettingsView() {
+  const [saving, setSaving] = React.useState(false)
 
-export function AdminSettingsView({ user, notificationPreferences }: AdminSettingsViewProps) {
-  const generalExtra = (
-    <Card>
-      <CardHeader>
-        <CardTitle>Organization</CardTitle>
-        <CardDescription>School identity shown across admin surfaces.</CardDescription>
-      </CardHeader>
-      <CardContent>
-        <div className="grid gap-4 sm:grid-cols-2">
-          <div className="space-y-2">
-            <Label htmlFor="schoolName">School name</Label>
-            <Input id="schoolName" defaultValue="Next_Edu School" disabled />
-          </div>
-          <div className="space-y-2">
-            <Label htmlFor="timezone">Timezone</Label>
-            <Input id="timezone" defaultValue="System default" disabled />
-          </div>
-        </div>
-
-        <Separator className="my-6" />
-
-        <div className="flex items-start gap-3 rounded-lg border bg-muted/30 p-4">
-          <div className="flex h-9 w-9 items-center justify-center rounded-md bg-background">
-            <Building2 className="h-4 w-4 text-muted-foreground" />
-          </div>
-          <div className="flex-1 space-y-1">
-            <div className="text-sm font-medium">Managed in School Management</div>
-            <div className="text-sm text-muted-foreground">
-              Departments, classes, and academic year settings live under the School Management section.
-            </div>
-          </div>
-          <Button variant="outline" size="sm" asChild>
-            <Link href="/admin/school">Manage</Link>
-          </Button>
-        </div>
-      </CardContent>
-    </Card>
-  )
+  const handleSave = async (e: React.FormEvent) => {
+    e.preventDefault()
+    setSaving(true)
+    // 模拟保存
+    await new Promise((r) => setTimeout(r, 800))
+    toast.success("设置已保存")
+    setSaving(false)
+  }
 
   return (
-    <SettingsView
-      description="Manage admin preferences and system defaults."
-      backHref="/admin/dashboard"
-      user={user}
-      notificationPreferences={notificationPreferences}
-      generalExtra={generalExtra}
-    />
+    <div className="flex h-full flex-col space-y-6">
+      <div>
+        <h2 className="text-2xl font-bold tracking-tight">系统设置</h2>
+        <p className="text-muted-foreground">管理系统基础信息与运行参数。</p>
+      </div>
+
+      <form onSubmit={handleSave} className="space-y-6">
+        {/* 学校信息 */}
+        <Card className="shadow-none">
+          <CardHeader>
+            <div className="flex items-center gap-2">
+              <School className="h-5 w-5 text-primary" />
+              <div>
+                <CardTitle className="text-base">学校信息</CardTitle>
+                <CardDescription>学校的基础信息，将显示在系统各处</CardDescription>
+              </div>
+            </div>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            <div className="grid gap-4 md:grid-cols-2">
+              <div className="space-y-2">
+                <Label htmlFor="school-name">学校名称</Label>
+                <Input id="school-name" placeholder="请输入学校名称" defaultValue="Next_Edu 实验学校" />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="school-code">学校代码</Label>
+                <Input id="school-code" placeholder="请输入学校代码" />
+              </div>
+            </div>
+            <div className="grid gap-4 md:grid-cols-2">
+              <div className="space-y-2">
+                <Label htmlFor="school-phone">联系电话</Label>
+                <Input id="school-phone" placeholder="请输入联系电话" />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="school-email">联系邮箱</Label>
+                <Input id="school-email" type="email" placeholder="请输入联系邮箱" />
+              </div>
+            </div>
+            <div className="space-y-2">
+              <Label htmlFor="school-address">学校地址</Label>
+              <Input id="school-address" placeholder="请输入学校地址" />
+            </div>
+            <div className="space-y-2">
+              <Label htmlFor="school-desc">学校简介</Label>
+              <Textarea id="school-desc" placeholder="请输入学校简介" rows={3} />
+            </div>
+          </CardContent>
+        </Card>
+
+        {/* 安全策略 */}
+        <Card className="shadow-none">
+          <CardHeader>
+            <div className="flex items-center gap-2">
+              <Shield className="h-5 w-5 text-primary" />
+              <div>
+                <CardTitle className="text-base">安全策略</CardTitle>
+                <CardDescription>密码策略与会话管理</CardDescription>
+              </div>
+            </div>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            <div className="grid gap-4 md:grid-cols-2">
+              <div className="space-y-2">
+                <Label htmlFor="password-min-length">密码最小长度</Label>
+                <Input id="password-min-length" type="number" min={6} max={32} defaultValue={8} />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="session-timeout">会话超时（分钟）</Label>
+                <Input id="session-timeout" type="number" min={5} max={1440} defaultValue={60} />
+              </div>
+            </div>
+            <Separator />
+            <div className="flex items-center justify-between">
+              <div className="space-y-0.5">
+                <Label htmlFor="require-special-char">密码必须包含特殊字符</Label>
+                <p className="text-sm text-muted-foreground">要求用户密码中包含至少一个特殊字符</p>
+              </div>
+              <Switch id="require-special-char" defaultChecked />
+            </div>
+            <div className="flex items-center justify-between">
+              <div className="space-y-0.5">
+                <Label htmlFor="require-uppercase">密码必须包含大写字母</Label>
+                <p className="text-sm text-muted-foreground">要求用户密码中包含至少一个大写字母</p>
+              </div>
+              <Switch id="require-uppercase" />
+            </div>
+            <div className="flex items-center justify-between">
+              <div className="space-y-0.5">
+                <Label htmlFor="force-password-change">首次登录强制修改密码</Label>
+                <p className="text-sm text-muted-foreground">新用户或重置密码后首次登录时必须修改密码</p>
+              </div>
+              <Switch id="force-password-change" defaultChecked />
+            </div>
+          </CardContent>
+        </Card>
+
+        {/* 文件上传 */}
+        <Card className="shadow-none">
+          <CardHeader>
+            <div className="flex items-center gap-2">
+              <Database className="h-5 w-5 text-primary" />
+              <div>
+                <CardTitle className="text-base">文件上传</CardTitle>
+                <CardDescription>文件上传限制与存储配置</CardDescription>
+              </div>
+            </div>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            <div className="grid gap-4 md:grid-cols-2">
+              <div className="space-y-2">
+                <Label htmlFor="max-file-size">单文件最大大小（MB）</Label>
+                <Input id="max-file-size" type="number" min={1} max={100} defaultValue={10} />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="allowed-types">允许的文件类型</Label>
+                <Input id="allowed-types" placeholder="如：jpg,png,pdf,docx" defaultValue="jpg,png,pdf,docx,xlsx,pptx" />
+              </div>
+            </div>
+          </CardContent>
+        </Card>
+
+        {/* 通知配置 */}
+        <Card className="shadow-none">
+          <CardHeader>
+            <div className="flex items-center gap-2">
+              <Bell className="h-5 w-5 text-primary" />
+              <div>
+                <CardTitle className="text-base">通知配置</CardTitle>
+                <CardDescription>系统通知的发送方式与触发条件</CardDescription>
+              </div>
+            </div>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            <div className="flex items-center justify-between">
+              <div className="space-y-0.5">
+                <Label htmlFor="notify-new-user">新用户注册通知管理员</Label>
+                <p className="text-sm text-muted-foreground">有新用户注册时向管理员发送通知</p>
+              </div>
+              <Switch id="notify-new-user" defaultChecked />
+            </div>
+            <div className="flex items-center justify-between">
+              <div className="space-y-0.5">
+                <Label htmlFor="notify-schedule-change">课表变更通知教师</Label>
+                <p className="text-sm text-muted-foreground">课表变更审批通过后通知相关教师</p>
+              </div>
+              <Switch id="notify-schedule-change" defaultChecked />
+            </div>
+            <div className="flex items-center justify-between">
+              <div className="space-y-0.5">
+                <Label htmlFor="notify-announcement">公告发布通知目标用户</Label>
+                <p className="text-sm text-muted-foreground">公告发布时向目标用户推送通知</p>
+              </div>
+              <Switch id="notify-announcement" />
+            </div>
+          </CardContent>
+        </Card>
+
+        <div className="flex justify-end gap-3">
+          <Button type="button" variant="outline">重置</Button>
+          <Button type="submit" disabled={saving}>
+            {saving ? "保存中..." : "保存设置"}
+          </Button>
+        </div>
+      </form>
+    </div>
   )
 }