Can't use `where` clause?

export const packages = pgTable('package', {
  id: serial('id').primaryKey().notNull(),
});

export const promotions = pgTable('promotion', {
  id: serial('id').primaryKey().notNull(),
  isActive: boolean('is_active').notNull().default(false),
});

export const packagePromotions = pgTable(
  'package_promotion',
  {
    packageId: integer('package_id')
      .notNull()
      .references(() => packages.id),
    promotionId: integer('promotion_id')
      .notNull()
      .references(() => promotions.id),
  },
  (table) => ({
    pk: primaryKey({ columns: [table.packageId, table.promotionId] }),
  }),
);

export const packagesRelations = relations(packages, ({ many}) => ({
  packagePromotions: many(packagePromotions),
}));

export const promotionsRelations = relations(promotions, ({ many }) => ({
  packages: many(packagePromotions),
}));

export const packagePromotionsRelations = relations(
  packagePromotions,
  ({ one }) => ({
    package: one(packages, {
      fields: [packagePromotions.packageId],
      references: [packages.id],
    }),
    promotion: one(promotions, {
      fields: [packagePromotions.promotionId],
      references: [promotions.id],
    }),
  }),
);

    const result = await db.query.packages.findFirst({
      where: eq(packages.id, packageId),
      with: {
        packagePromotions: {
          with: {
            promotion: {
              where: eq(promotions.isActive, true),
            },
          },
        },
      },
    });