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/homework/stats-service.ts

@@ -115,36 +115,34 @@ export const getHomeworkAssignmentAnalytics = cache(
 
     if (!assignment) return null
 
-    const [targetsRow] = await db
-      .select({ c: count() })
-      .from(homeworkAssignmentTargets)
-      .where(eq(homeworkAssignmentTargets.assignmentId, assignmentId))
-
-    const [submissionsRow] = await db
-      .select({ c: count() })
-      .from(homeworkSubmissions)
-      .where(eq(homeworkSubmissions.assignmentId, assignmentId))
-
-    const [submittedRow] = await db
-      .select({ c: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})` })
-      .from(homeworkSubmissions)
-      .where(
-        and(
-          eq(homeworkSubmissions.assignmentId, assignmentId),
-          inArray(homeworkSubmissions.status, ["submitted", "graded"])
-        )
-      )
-
-    const [gradedRow] = await db
-      .select({ c: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})` })
-      .from(homeworkSubmissions)
-      .where(and(eq(homeworkSubmissions.assignmentId, assignmentId), eq(homeworkSubmissions.status, "graded")))
-
-    const assignmentQuestions = await db.query.homeworkAssignmentQuestions.findMany({
-      where: eq(homeworkAssignmentQuestions.assignmentId, assignmentId),
-      with: { question: true },
-      orderBy: (q, { asc }) => [asc(q.order)],
-    })
+    const [targetsRows, submissionsRows, submittedRows, gradedRows, assignmentQuestions] = await Promise.all([
+      db
+        .select({ c: count() })
+        .from(homeworkAssignmentTargets)
+        .where(eq(homeworkAssignmentTargets.assignmentId, assignmentId)),
+      db
+        .select({ c: count() })
+        .from(homeworkSubmissions)
+        .where(eq(homeworkSubmissions.assignmentId, assignmentId)),
+      db
+        .select({ c: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})` })
+        .from(homeworkSubmissions)
+        .where(
+          and(
+            eq(homeworkSubmissions.assignmentId, assignmentId),
+            inArray(homeworkSubmissions.status, ["submitted", "graded"])
+          )
+        ),
+      db
+        .select({ c: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})` })
+        .from(homeworkSubmissions)
+        .where(and(eq(homeworkSubmissions.assignmentId, assignmentId), eq(homeworkSubmissions.status, "graded"))),
+      db.query.homeworkAssignmentQuestions.findMany({
+        where: eq(homeworkAssignmentQuestions.assignmentId, assignmentId),
+        with: { question: true },
+        orderBy: (q, { asc }) => [asc(q.order)],
+      }),
+    ])
 
     const statsByQuestionId = new Map<string, HomeworkAssignmentQuestionAnalytics>()
 
@@ -235,10 +233,10 @@ export const getHomeworkAssignmentAnalytics = cache(
         allowLate: assignment.allowLate,
         lateDueAt: assignment.lateDueAt ? assignment.lateDueAt.toISOString() : null,
         maxAttempts: assignment.maxAttempts,
-        targetCount: targetsRow?.c ?? 0,
-        submissionCount: submissionsRow?.c ?? 0,
-        submittedCount: submittedRow?.c ?? 0,
-        gradedCount: gradedRow?.c ?? 0,
+        targetCount: targetsRows[0]?.c ?? 0,
+        submissionCount: submissionsRows[0]?.c ?? 0,
+        submittedCount: submittedRows[0]?.c ?? 0,
+        gradedCount: gradedRows[0]?.c ?? 0,
         createdAt: assignment.createdAt.toISOString(),
         updatedAt: assignment.updatedAt.toISOString(),
       },