なんかもうめっちゃ変えた

packages/backend/src/models/entities/ClipNote.ts

@@ -0,0 +1,37 @@
+import { Entity, Index, JoinColumn, Column, ManyToOne, PrimaryColumn } from 'typeorm';
+import { id } from '../id.js';
+import { Note } from './Note.js';
+import { Clip } from './Clip.js';
+
+@Entity()
+@Index(['noteId', 'clipId'], { unique: true })
+export class ClipNote {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Index()
+	@Column({
+		...id(),
+		comment: 'The note ID.',
+	})
+	public noteId: Note['id'];
+
+	@ManyToOne(type => Note, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public note: Note | null;
+
+	@Index()
+	@Column({
+		...id(),
+		comment: 'The clip ID.',
+	})
+	public clipId: Clip['id'];
+
+	@ManyToOne(type => Clip, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public clip: Clip | null;
+}