lib/chai_web/router.ex

defmodule ChaiWeb.Router do
  use ChaiWeb, :router

  pipeline :browser do
    plug :accepts, ["html"]
    plug :fetch_session
    plug :fetch_live_flash
    plug :put_root_layout, {ChaiWeb.Layouts, :root}
    plug :protect_from_forgery
    plug :put_secure_browser_headers
    plug :allow_within_iframe
  end

  pipeline :api do
    plug :accepts, ["json"]
  end

  scope "/", ChaiWeb do
    pipe_through :browser

    live "/", ChatLive, :page
  end

  # Enable LiveDashboard in development
  if Application.compile_env(:chai, :dev_routes) do
    import Phoenix.LiveDashboard.Router

    scope "/dev" do
      pipe_through :browser

      live_dashboard "/dashboard", metrics: ChaiWeb.Telemetry
    end
  end

  # Allow the app to run inside iframe (on HF Spaces)
  defp allow_within_iframe(conn, _opts) do
    delete_resp_header(conn, "x-frame-options")
  end
end