feat(tests): общие тесты с автором, в истории только результаты ученика (для всех ролей)

Made-with: Cursor

backend/prisma/schema.prisma

@@ -26,7 +26,9 @@ model User {
   questions    Question[]
   chatMessages ChatMessage[]
   textbooks    Textbook[]
-  tests        Test[]
+  testsInScope Test[]   @relation("TestStudentScope")
+  testsAuthored Test[]  @relation("TestAuthor")
+  testResults  TestResult[]
   reports      Report[]
   hallPhotos   HallPhoto[]
 }
@@ -75,8 +77,11 @@ model Textbook {
 
 model Test {
   id        Int          @id @default(autoincrement())
+  /// Контекст пары наставник–ученик (id назначенного ученика); общие тесты для обоих
   studentId Int
-  student   User         @relation(fields: [studentId], references: [id], onDelete: Cascade)
+  student   User         @relation("TestStudentScope", fields: [studentId], references: [id], onDelete: Cascade)
+  authorId  Int
+  author    User         @relation("TestAuthor", fields: [authorId], references: [id], onDelete: Cascade)
   topic     String
   questions String
   createdAt DateTime     @default(now())
@@ -86,11 +91,13 @@ model Test {
 model TestResult {
   id        Int      @id @default(autoincrement())
   testId    Int
+  test      Test     @relation(fields: [testId], references: [id], onDelete: Cascade)
+  studentId Int
+  student   User     @relation(fields: [studentId], references: [id], onDelete: Cascade)
   answers   String
   score     Int
   total     Int
   createdAt DateTime @default(now())
-  test      Test     @relation(fields: [testId], references: [id], onDelete: Cascade)
 }
 
 model Report {