Ship legacy migrate APIs, portfolio/blog old-id schema, and admin migrate/purge flows.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/blogs/blogs.service.ts

@@ -35,13 +35,13 @@ function slugify(value: string): string {
 type BlogWithRelations = Prisma.blogsGetPayload<{
   include: {
     media: true;
-    users: { select: { id: true; firstName: true; lastName: true; email: true } };
+    author: { select: { id: true; firstName: true; lastName: true; email: true } };
   };
 }>;
 
 const blogInclude = {
   media: true,
-  users: {
+  author: {
     select: {
       id: true,
       firstName: true,
@@ -562,12 +562,12 @@ export class BlogsService {
       categoryName: categoryAssignment?.category.name ?? '',
       tags: Array.isArray(metadata.tags) ? (metadata.tags as string[]) : [],
       authorId: blog.author_id?.toString() ?? null,
-      author: blog.users
+      author: blog.author
         ? {
-            id: blog.users.id.toString(),
-            firstName: blog.users.firstName,
-            lastName: blog.users.lastName,
-            email: blog.users.email,
+            id: blog.author.id.toString(),
+            firstName: blog.author.firstName,
+            lastName: blog.author.lastName,
+            email: blog.author.email,
           }
         : null,
       titleImageUrl: blog.media?.publicUrl ?? null,