add relation from user->user_profile to speed up UserEntityService.pack and packMany

packages/backend/src/models/User.ts

@@ -8,6 +8,7 @@ import { type UserUnsignedFetchOption, userUnsignedFetchOptions } from '@/const.
 import { MiInstance } from '@/models/Instance.js';
 import { id } from './util/id.js';
 import { MiDriveFile } from './DriveFile.js';
+import type { MiUserProfile } from './UserProfile.js';
 
 @Entity('user')
 @Index(['usernameLower', 'host'], { unique: true })
@@ -395,6 +396,9 @@ export class MiUser {
 	})
 	public attributionDomains: string[];
 
+	@OneToOne('user_profile', (profile: MiUserProfile) => profile.user)
+	public userProfile: MiUserProfile | null;
+
 	constructor(data: Partial<MiUser>) {
 		if (data == null) return;
 

packages/backend/src/models/UserProfile.ts

@@ -17,7 +17,7 @@ export class MiUserProfile {
 	@PrimaryColumn(id())
 	public userId: MiUser['id'];
 
-	@OneToOne(type => MiUser, {
+	@OneToOne(() => MiUser, user => user.userProfile, {
 		onDelete: 'CASCADE',
 	})
 	@JoinColumn()