Streaming-first
HTTP for Go.

app := photon.New()

app.POST("/chat", photon.SSE(func(
    s *photon.Stream, r *http.Request,
) error {
    for token := range model.Stream(r.Context()) {
        if err := s.Event("token", []byte(token)); err != nil {
            return err
        }
    }
    return s.Event("done", nil)
}))

app.Run(":8080")

app := photon.New()

app.GET("/users/:id", func(
    w http.ResponseWriter, r *http.Request,
) {
    photon.JSON(w, http.StatusOK, map[string]string{
        "id": photon.PathParam(r, "id"),
    })
})

// Keep your existing handlers and middleware.
app.Mount("/api", existingRouter)

app.Run(":8080")