refactor(modules): update existing module implementations across attendance, audit, auth, classes, course-plans, exams, files, homework, layout, proctoring, questions, scheduling, textbooks, users

- Update attendance components and data-access for record management

- Update audit log views, filters, and data-access

- Update auth login and register forms

- Update classes actions, components, and data-access (admin, schedule, stats)

- Update course-plans actions, form, list, progress, and schema

- Update exams actions, AI pipeline, preview components, and hooks

- Update files components (icon, list, preview, upload) and data-access

- Update homework assignment form, review view, auto-save hook, and stats-service

- Update layout sidebar, header, and navigation config

- Update proctoring actions, anti-cheat monitor, and data-access

- Update questions actions, components (dialog, actions, columns, filters), and data-access

- Update scheduling actions, auto-scheduler, components, and schema

- Update textbooks constants and text-selection hook

- Update users class-registration, import-dialog, data-access, and user-service

src/modules/textbooks/constants.ts

@@ -21,6 +21,7 @@ export type GradeOption = {
  * 新增学科只需在此处添加一条记录，所有 Select/筛选/表单/设置弹窗自动同步。
  */
 export const SUBJECTS: readonly SubjectOption[] = [
+  { value: "Chinese", labelKey: "chinese" },
   { value: "Mathematics", labelKey: "mathematics" },
   { value: "Physics", labelKey: "physics" },
   { value: "Chemistry", labelKey: "chemistry" },
@@ -34,6 +35,8 @@ export const SUBJECTS: readonly SubjectOption[] = [
  * 年级列表。
  */
 export const GRADES: readonly GradeOption[] = [
+  { value: "Grade 1", labelKey: "grade1" },
+  { value: "Grade 2", labelKey: "grade2" },
   { value: "Grade 7", labelKey: "grade7" },
   { value: "Grade 8", labelKey: "grade8" },
   { value: "Grade 9", labelKey: "grade9" },
@@ -47,6 +50,8 @@ export const GRADES: readonly GradeOption[] = [
  * key 必须与 SUBJECTS 中的 value 一致。
  */
 export const SUBJECT_COLORS: Record<string, string> = {
+  Chinese:
+    "bg-rose-50 text-rose-700 border-rose-200/70 dark:bg-rose-950/50 dark:text-rose-200 dark:border-rose-900/60",
   Mathematics:
     "bg-blue-50 text-blue-700 border-blue-200/70 dark:bg-blue-950/50 dark:text-blue-200 dark:border-blue-900/60",
   Physics:
@@ -73,3 +78,19 @@ export const DEFAULT_SUBJECT_COLOR =
 export function getSubjectColor(subject: string): string {
   return SUBJECT_COLORS[subject] ?? DEFAULT_SUBJECT_COLOR
 }
+
+/**
+ * 根据学科 value 获取 i18n labelKey。
+ * 未命中时返回 value 本身（作为兜底，调用方可直接用作显示文本）。
+ */
+export function getSubjectLabelKey(subject: string): string {
+  return SUBJECTS.find((s) => s.value === subject)?.labelKey ?? subject
+}
+
+/**
+ * 根据年级 value 获取 i18n labelKey。
+ * 未命中时返回 value 本身。
+ */
+export function getGradeLabelKey(grade: string): string {
+  return GRADES.find((g) => g.value === grade)?.labelKey ?? grade
+}