feat(settings,questions,school,textbooks): add brand config, question components, school dialogs, textbooks hooks

settings:

- Add actions-brand, brand-config, data-access-brand for brand management

- Add admin-file-upload-card, admin-notification-config-card, admin-school-info-card, admin-security-policy-card

- Add ai-provider-delete-dialog, ai-provider-selector, brand-config-card

- Add security-recent-logins-section, security-two-factor-section

- Add config/profile-overview-config, data-access-profile-overview, lib/system-settings-utils

questions:

- Add batch-operations, import-export-buttons, knowledge-point-selector, options-editor

- Add question-bank-results-client, question-cascade-filter, question-content-renderer, utils

school:

- Add grade-delete-dialog, grade-form-dialog, grade-list-toolbar, grade-overview-cards

- Add use-grade-data hook

textbooks:

- Add textbook-form-fields component

- Add use-kp-create, use-kp-delete, use-kp-update hooks

src/modules/settings/components/admin-file-upload-card.tsx

@@ -0,0 +1,66 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { Database } from "lucide-react"
+import { type ReactElement } from "react"
+
+import { Input } from "@/shared/components/ui/input"
+import { Label } from "@/shared/components/ui/label"
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/shared/components/ui/card"
+
+export interface FileUploadValues {
+  maxFileSize: number
+  allowedTypes: string
+}
+
+interface FileUploadCardProps {
+  values: FileUploadValues
+  onChange: (key: keyof FileUploadValues, value: number | string) => void
+}
+
+/**
+ * 管理员系统设置 - 文件上传卡片
+ */
+export function FileUploadCard({ values, onChange }: FileUploadCardProps): ReactElement {
+  const t = useTranslations("settings.admin.fileUpload")
+
+  return (
+    <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">{t("title")}</CardTitle>
+            <CardDescription>{t("description")}</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">{t("maxFileSize")}</Label>
+            <Input
+              id="max-file-size"
+              name="maxFileSize"
+              type="number"
+              min={1}
+              max={100}
+              value={values.maxFileSize}
+              onChange={(e) => onChange("maxFileSize", Number(e.target.value))}
+            />
+          </div>
+          <div className="space-y-2">
+            <Label htmlFor="allowed-types">{t("allowedTypes")}</Label>
+            <Input
+              id="allowed-types"
+              name="allowedTypes"
+              placeholder={t("allowedTypesPlaceholder")}
+              value={values.allowedTypes}
+              onChange={(e) => onChange("allowedTypes", e.target.value)}
+            />
+          </div>
+        </div>
+      </CardContent>
+    </Card>
+  )
+}