Function create

frontend/src/App.tsx:498–521

()

  }

  async function create() {
    if (!canCreate) {
      setMessage("先搜索或定位选定一个真实地点。");
      return;
    }
    setBusy(true);
    setMessage("");
    try {
      const result = await api.createChallenge({
        name: name.trim(),
        place_name: place.name,
        center_lat: place.lat,
        center_lng: place.lng,
        radius_m: radius,
        duration_hours: duration,
        h3_resolution: resolution,
      });
      onCreated(result.challenge);
    } catch (err) {
      setMessage(String(err));
    } finally {
      setBusy(false);
    }
  }

  return (
    <section className="creatorLayout">