feat: phase1 platform upgrade with moderation, dev payments, admin panel and landing updates

apps/api/src/catalog/catalog.service.ts

@@ -104,13 +104,26 @@ export class CatalogService {
       throw new ForbiddenException('Only course author can submit for moderation');
     }
 
-    return this.prisma.course.update({
+    const fromStatus = course.status;
+    const updated = await this.prisma.course.update({
       where: { id: courseId },
       data: {
-        status: CourseStatus.PENDING_REVIEW,
+        status: CourseStatus.PENDING_MODERATION,
         isPublished: false,
       },
     });
+
+    await this.prisma.courseStatusHistory.create({
+      data: {
+        courseId,
+        fromStatus,
+        toStatus: CourseStatus.PENDING_MODERATION,
+        changedById: userId,
+        note: 'Submitted for moderation',
+      },
+    });
+
+    return updated;
   }
 
   async createCourseCheckout(courseId: string, userId: string): Promise<any> {