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/classes/components/admin-classes-view.tsx

@@ -1,6 +1,6 @@
 "use client"
 
-import { useEffect, useMemo, useState } from "react"
+import { useMemo, useState } from "react"
 import { MoreHorizontal, Pencil, Plus, Trash2 } from "lucide-react"
 import { toast } from "sonner"
 import { useRouter } from "next/navigation"
@@ -70,25 +70,31 @@ export function AdminClassesClient({
   const selectedEditSchool = schools.find((s) => s.id === editSchoolId)
   const selectedEditGrade = grades.find((g) => g.id === editGradeId)
 
-  useEffect(() => {
-    if (!createOpen) return
-    setCreateTeacherId(defaultTeacherId)
-    setCreateSchoolId(defaultSchoolId)
-    setCreateGradeId("")
-  }, [createOpen, defaultTeacherId, defaultSchoolId])
+  const [prevCreateOpen, setPrevCreateOpen] = useState(createOpen)
+  if (createOpen !== prevCreateOpen) {
+    setPrevCreateOpen(createOpen)
+    if (createOpen) {
+      setCreateTeacherId(defaultTeacherId)
+      setCreateSchoolId(defaultSchoolId)
+      setCreateGradeId("")
+    }
+  }
 
-  useEffect(() => {
-    if (!editItem) return
-    setEditTeacherId(editItem.teacher.id)
-    setEditSchoolId(editItem.schoolId ?? "")
-    setEditGradeId(editItem.gradeId ?? "")
-    setEditSubjectTeachers(
-      DEFAULT_CLASS_SUBJECTS.map((s) => ({
-        subject: s,
-        teacherId: editItem.subjectTeachers.find((st) => st.subject === s)?.teacher?.id ?? null,
-      }))
-    )
-  }, [editItem])
+  const [prevEditItem, setPrevEditItem] = useState(editItem)
+  if (editItem !== prevEditItem) {
+    setPrevEditItem(editItem)
+    if (editItem) {
+      setEditTeacherId(editItem.teacher.id)
+      setEditSchoolId(editItem.schoolId ?? "")
+      setEditGradeId(editItem.gradeId ?? "")
+      setEditSubjectTeachers(
+        DEFAULT_CLASS_SUBJECTS.map((s) => ({
+          subject: s,
+          teacherId: editItem.subjectTeachers.find((st) => st.subject === s)?.teacher?.id ?? null,
+        }))
+      )
+    }
+  }
 
   const handleCreate = async (formData: FormData) => {
     setIsWorking(true)