Vos utilisateurs voient ce qu’aucun gestionnaire routier ne publiera jamais

const API = "https://api.cudatus.com";

// Your report sheet, mapped onto the vocabulary once.
const SHEET = {
  police: { type: "police_check" },
  queue: { type: "congestion", subtype: "queue" },
  accident: { type: "accident" },
  roadClosed: { type: "road_closure", subtype: "full_closure" },
  speedCamera: { type: "speed_camera" },
  pothole: { type: "road_damage", subtype: "pothole" },
  trafficLightOut: { type: "infrastructure_fault", subtype: "traffic_signal" },
  roadworks: { type: "roadworks" },
  debris: { type: "object_on_road", subtype: "debris" },
  brokenDown: { type: "stopped_vehicle", subtype: "broken_down" },
  blackIce: { type: "weather_hazard", subtype: "black_ice" },
  personOnRoad: { type: "people_on_road", subtype: "pedestrian" },
};

// A driver taps a button. This is the whole publish path.
export async function report(kind, { lat, lon }, severity = "medium") {
  const res = await fetch(`${API}/v1/events`, {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.RELAY_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({ ...SHEET[kind], lat, lon, severity }),
  });
  const event = await res.json();
  return event.event_id;   // it is on the stream before this line runs
}

// The marker is on screen. The driver says "still there" or "gone".
export async function answer(eventId, stillThere, device) {
  const res = await fetch(`${API}/v1/events/${eventId}/signals`, {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.RELAY_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      action: stillThere ? "confirm" : "deny",
      // What the quorum counts: one stable token per DEVICE.
      reporter_token: device.id,
      // Optional, and worth sending — a confirmation from the
      // scene is recorded as coming from the scene.
      lat: device.lat,
      lon: device.lon,
    }),
  });

  // 409: a quorum cleared it before this driver answered.
  if (res.status === 409) return "already over";
  return (await res.json()).verification;  // unverified | verified
}