Function handleFastModeShortcut

src/commands/fast/fast.tsx:226–247

(enable: boolean, getAppState: () => AppState, setAppState: (f: (prev: AppState) => AppState) => void)

  return s.mainLoopModel;
}
async function handleFastModeShortcut(enable: boolean, getAppState: () => AppState, setAppState: (f: (prev: AppState) => AppState) => void): Promise<string> {
  const unavailableReason = getFastModeUnavailableReason();
  if (unavailableReason) {
    return `Fast mode unavailable: ${unavailableReason}`;
  }
  const {
    mainLoopModel
  } = getAppState();
  applyFastMode(enable, setAppState);
  logEvent('tengu_fast_mode_toggled', {
    enabled: enable,
    source: 'shortcut' as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS
  });
  if (enable) {
    const fastIcon = getFastIconString(true);
    const modelUpdated = !isFastModeSupportedByModel(mainLoopModel) ? ` · model set to ${FAST_MODE_MODEL_DISPLAY}` : '';
    const pricing = formatModelPricing(getOpus46CostTier(true));
    return `${fastIcon} Fast mode ON${modelUpdated} · ${pricing}`;
  } else {
    return `Fast mode OFF`;
  }
}
export async function call(onDone: LocalJSXCommandOnDone, context: LocalJSXCommandContext, args?: string): Promise<React.ReactNode | null> {
  if (!isFastModeEnabled()) {
    return null;