Add indexes to StudentQuestion and StudentQuestionMessage

prisma/migrations/20260519110000_add_student_questions_indexes/migration.sql

@@ -0,0 +1,8 @@
+-- CreateIndex
+CREATE INDEX "StudentQuestion_userId_idx" ON "StudentQuestion"("userId");
+
+-- CreateIndex
+CREATE INDEX "StudentQuestion_status_idx" ON "StudentQuestion"("status");
+
+-- CreateIndex
+CREATE INDEX "StudentQuestionMessage_questionId_idx" ON "StudentQuestionMessage"("questionId");

prisma/schema.prisma

@@ -340,6 +340,9 @@ model StudentQuestion {
   course    Course?                  @relation(fields: [courseId], references: [id], onDelete: SetNull)
   closedBy  User?                    @relation("QuestionClosedBy", fields: [closedById], references: [id], onDelete: SetNull)
   messages  StudentQuestionMessage[]
+
+  @@index([userId])
+  @@index([status])
 }
 
 model StudentQuestionMessage {
@@ -353,6 +356,8 @@ model StudentQuestionMessage {
 
   question StudentQuestion @relation(fields: [questionId], references: [id], onDelete: Cascade)
   author   User            @relation(fields: [authorId], references: [id], onDelete: Cascade)
+
+  @@index([questionId])
 }
 
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