// tweaks-panel.jsx — production no-op stub (the demo Tweaks panel isn't exposed
// on the public /calculator page). useTweaks is a thin state hook; controls render nothing.
function useTweaks(defaults) {
  const [values, setValues] = React.useState(defaults || {});
  const setTweak = React.useCallback((keyOrEdits, val) => {
    const edits = (typeof keyOrEdits === 'object' && keyOrEdits !== null) ? keyOrEdits : { [keyOrEdits]: val };
    setValues((prev) => ({ ...prev, ...edits }));
  }, []);
  return [values, setTweak];
}
function TweaksPanel() { return null; }
function TweakSection() { return null; }
function TweakRow() { return null; }
function TweakSlider() { return null; }
function TweakToggle() { return null; }
function TweakRadio() { return null; }
function TweakSelect() { return null; }
function TweakText() { return null; }
function TweakNumber() { return null; }
function TweakColor() { return null; }
function TweakButton() { return null; }
Object.assign(window, { useTweaks, TweaksPanel, TweakSection, TweakRow, TweakSlider, TweakToggle,
  TweakRadio, TweakSelect, TweakText, TweakNumber, TweakColor, TweakButton });