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/textbooks/components/textbook-card.tsx

@@ -44,7 +44,7 @@ interface TextbookCardProps {
 export function TextbookCard({ textbook, hrefBase, hideActions }: TextbookCardProps) {
   const t = useTranslations("textbooks")
   const router = useRouter()
-  const base = hrefBase || "/teacher/textbooks"
+  const base = hrefBase ?? "/teacher/textbooks" // 默认教师端，学生端通过 hrefBase prop 覆盖
   const colorClass = getSubjectColor(textbook.subject)
   const [showDeleteDialog, setShowDeleteDialog] = useState(false)
   const [isDeleting, setIsDeleting] = useState(false)