feat(task): submission dengan multiple files sebanyak 20 files

prisma/seed.js

@@ -5,6 +5,7 @@ const { getProjectBackgroundColor } = require('../src/helpers/utils/projectTheme
 
 // Diperlukan ketika isi databasenya masih kosong dan ingin menambahkan dummy data sebagai testing development [Rafi 08/06/2026 16:34]
 async function main() {
+  await prisma.taskSubmissionFile.deleteMany({});
   await prisma.taskSubmission.deleteMany({});
   await prisma.projectMember.deleteMany({});
   await prisma.user.deleteMany({});
@@ -288,12 +289,54 @@ async function main() {
   });
 
   // 15. TaskSubmission
-  await prisma.taskSubmission.createMany({
-    data: [
-      { id_task: task1.id, id_user: user1.id, url_link: 'https://github.com/rafiathallah3' },
-      { id_task: task2.id, id_user: user2.id, file_path: 'https://example.com/submission-alice.zip' },
-      { id_task: task3.id, id_user: user3.id, url_link: 'https://github.com/bob/auth-gateway' }
-    ]
+  await prisma.taskSubmission.create({
+    data: {
+      id_task: task1.id,
+      id_user: user1.id,
+      url_link: 'https://github.com/rafiathallah3',
+    },
+  });
+
+  await prisma.taskSubmission.create({
+    data: {
+      id_task: task2.id,
+      id_user: user2.id,
+
+      // Backward compatibility untuk frontend lama
+      file_path: '/uploads/task-submissions/alice-api-specification-part-1.pdf',
+
+      // Multi-file submission data
+      files: {
+        create: [
+          {
+            file_path: '/uploads/task-submissions/alice-api-specification-part-1.pdf',
+            original_name: 'alice-api-specification-part-1.pdf',
+            mime_type: 'application/pdf',
+            size_bytes: 204800,
+          },
+          {
+            file_path: '/uploads/task-submissions/alice-api-specification-part-2.pdf',
+            original_name: 'alice-api-specification-part-2.pdf',
+            mime_type: 'application/pdf',
+            size_bytes: 256000,
+          },
+          {
+            file_path: '/uploads/task-submissions/alice-api-specification-appendix.pdf',
+            original_name: 'alice-api-specification-appendix.pdf',
+            mime_type: 'application/pdf',
+            size_bytes: 128000,
+          },
+        ],
+      },
+    },
+  });
+
+  await prisma.taskSubmission.create({
+    data: {
+      id_task: task3.id,
+      id_user: user3.id,
+      url_link: 'https://github.com/bob/auth-gateway',
+    },
   });
 }