Function atCurrent

web/src/control/Control.tsx:96–97

(p: { lat: number; lon: number })

  // --- saved location profiles (favorite airports) ---
  const genId = () => Date.now().toString(36) + Math.random().toString(36).slice(2, 7);
  const atCurrent = (p: { lat: number; lon: number }) =>
    Math.abs(p.lat - cfg.centerLat) < 1e-4 && Math.abs(p.lon - cfg.centerLon) < 1e-4;
  const switchToProfile = (p: LocationProfile) =>
    set({ centerLat: p.lat, centerLon: p.lon, radiusMiles: p.radiusMiles, locationName: p.name });
  const saveCurrentProfile = () => {