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/elective/schema.ts

@@ -17,6 +17,12 @@ export const CourseSelectionStatusEnum = z.enum([
   "rejected",
 ])
 
+const isValidDateString = (v: string | null | undefined): boolean => {
+  if (v === null || v === undefined || v === "") return true
+  const d = new Date(v)
+  return !Number.isNaN(d.getTime())
+}
+
 const emptyToNull = (v: string | undefined | null): string | null =>
   v && v.length > 0 ? v : null
 
@@ -33,10 +39,30 @@ export const CreateElectiveCourseSchema = z
     capacity: z.coerce.number().int().min(1).max(500).optional(),
     classroom: z.string().trim().optional().nullable(),
     schedule: z.string().trim().optional().nullable(),
-    startDate: z.string().trim().optional().nullable(),
-    endDate: z.string().trim().optional().nullable(),
-    selectionStartAt: z.string().trim().optional().nullable(),
-    selectionEndAt: z.string().trim().optional().nullable(),
+    startDate: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "开始日期格式无效"),
+    endDate: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "结束日期格式无效"),
+    selectionStartAt: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "选课开始时间格式无效"),
+    selectionEndAt: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "选课结束时间格式无效"),
     selectionMode: ElectiveSelectionModeEnum.optional(),
     credit: z.string().trim().optional().nullable(),
   })
@@ -69,10 +95,30 @@ export const UpdateElectiveCourseSchema = z
     capacity: z.coerce.number().int().min(1).max(500).optional(),
     classroom: z.string().trim().optional().nullable(),
     schedule: z.string().trim().optional().nullable(),
-    startDate: z.string().trim().optional().nullable(),
-    endDate: z.string().trim().optional().nullable(),
-    selectionStartAt: z.string().trim().optional().nullable(),
-    selectionEndAt: z.string().trim().optional().nullable(),
+    startDate: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "开始日期格式无效"),
+    endDate: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "结束日期格式无效"),
+    selectionStartAt: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "选课开始时间格式无效"),
+    selectionEndAt: z
+      .string()
+      .trim()
+      .optional()
+      .nullable()
+      .refine(isValidDateString, "选课结束时间格式无效"),
     status: ElectiveCourseStatusEnum.optional(),
     selectionMode: ElectiveSelectionModeEnum.optional(),
     credit: z.string().trim().optional().nullable(),