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/data-access-profile-overview.ts

@@ -0,0 +1,46 @@
+import "server-only"
+
+import { getStudentClasses, getStudentSchedule } from "@/modules/classes/data-access"
+import { getStudentHomeworkAssignments } from "@/modules/homework/data-access-student"
+import { getStudentDashboardGrades } from "@/modules/homework/stats-service"
+import { getTeacherClasses, getTeacherTeachingSubjects } from "@/modules/classes/data-access"
+
+/**
+ * Profile 概览数据访问层
+ *
+ * 将 classes/homework 模块的 data-access 调用封装在 settings 模块内部，
+ * 避免 settings 组件层直接 import 其他业务模块的 data-access。
+ * 模块间通过 data-access 通信是允许的，组件层直接 import 则违反解耦原则。
+ */
+
+/**
+ * 获取学生概览所需的所有数据（并行查询）
+ */
+export async function getStudentProfileOverviewData(userId: string): Promise<{
+  classes: Awaited<ReturnType<typeof getStudentClasses>>
+  schedule: Awaited<ReturnType<typeof getStudentSchedule>>
+  assignments: Awaited<ReturnType<typeof getStudentHomeworkAssignments>>
+  grades: Awaited<ReturnType<typeof getStudentDashboardGrades>>
+}> {
+  const [classes, schedule, assignments, grades] = await Promise.all([
+    getStudentClasses(userId),
+    getStudentSchedule(userId),
+    getStudentHomeworkAssignments(userId),
+    getStudentDashboardGrades(userId),
+  ])
+  return { classes, schedule, assignments, grades }
+}
+
+/**
+ * 获取教师概览所需的所有数据（并行查询）
+ */
+export async function getTeacherProfileOverviewData(): Promise<{
+  subjects: Awaited<ReturnType<typeof getTeacherTeachingSubjects>>
+  classes: Awaited<ReturnType<typeof getTeacherClasses>>
+}> {
+  const [subjects, classes] = await Promise.all([
+    getTeacherTeachingSubjects(),
+    getTeacherClasses(),
+  ])
+  return { subjects, classes }
+}