defmodule WebrtcSignal do
  @moduledoc """
  WebRTC signaling over Phoenix Channels.

  Client API:
    - SetID(public_id, private_id) -> ok | "in-use" | "auth failed"
    - Handshake(to, handshake) -> "delivered" | "user not found"

  Server pushes:
    - Handshake(from, handshake)
  """
end