Function handlePopState

src/hooks/useUrlState.ts:169–175

()

  // Handle browser back/forward (popstate)
  useEffect(() => {
    const handlePopState = async () => {
      const state = await decodeCameraStateFromHash(window.location.hash);
      if (state) {
        flyToState(state);
        lastEncodedState.current = encodeCameraState(state);
      }
    };

    window.addEventListener('popstate', handlePopState);
    return () => window.removeEventListener('popstate', handlePopState);