Help with relations: many-to-many + one-to-one

export const authors = sqliteTable("authors", (t) => ({
   authorId: t.integer().primaryKey(),
   firstName: t.text(),
   lastName: t.text(),
}));

export const papers = sqliteTable("papers", (t) => ({
   paperId: t.integer().primaryKey(),
}));

export const authorsToPapers = sqliteTable("authors_to_papers", (t) => ({
   authorId: t.integer().notNull().references(() => authors.authorId),
   paperId: t.integer().notNull().references(() => papers.paperId),
}));

export const authorsRelations = relations(authors, ({ one, many }) => ({
   authorsToPapers: many(authorsToPapers),
}));

export const papersRelations = relations(papers, ({ many }) => ({
   authorsToPapers: many(authorsToPapers),
}));

export const authorsToPapersRelations = relations(
   authorsToPapers,
   ({ one }) => ({
      author: one(authors, {
         fields: [authorsToPapers.authorId],
         references: [authors.authorId],
      }),
      paper: one(papers, {
         fields: [authorsToPapers.paperId],
         references: [papers.paperId],
      }),
   }),
);

await db.query.papers.findFirst({
   with: {
      authorsToPapers: true,
   },
});