Hono + Bun + Better Auth 404 error when using app.route

const app = new Hono()

const userRoute = new Hono()
  // .get("/top", (c) => {
  //   return c.json({ message: "Top" }, 200)
  // })
  .get(
    "/:id",
    zValidator(
      "param",
      z.object({
        id: z.string(),
      })
    ),
    (c) => {
      return c.json({ message: `Hello ${c.req.param("id")}` }, 200)
    }
  )

const routes = app.route("/user", userRoute)

app.on(["POST", "GET"], "/api/auth/**", (c) => {
  return c.json({ message: "Hello" }, 200)
})

export default app

// curl http://localhost:3000/api/auth/ok 
// {"message":"Hello"}

const userRoute = new Hono()
  .get("/top", (c) => {
    return c.json({ message: "Top" }, 200)
  }) // I've added this 😅😅😅😅
  .get(
    "/:id",
    zValidator(
      "param",
      z.object({
        id: z.string(),
      })
    ),
    (c) => {
      return c.json({ message: `Hello ${c.req.param("id")}` }, 200)
    }
  )

const routes = app.route("/user", userRoute)

app.on(["POST", "GET"], "/api/auth/**", (c) => {
  return c.json({ message: "Hello" }, 200)
})

export default app
// curl http://localhost:3000/api/auth/ok 
// 404 Not Found