Function navigateFooter

src/components/PromptInput/PromptInput.tsx:494–506

(delta: 1 | -1, exitAtStart = false)

  // delta: +1 = down/right, -1 = up/left. Returns true if nav happened
  // (including deselecting at the start), false if at a boundary.
  function navigateFooter(delta: 1 | -1, exitAtStart = false): boolean {
    const idx = footerItemSelected ? footerItems.indexOf(footerItemSelected) : -1;
    const next = footerItems[idx + delta];
    if (next) {
      selectFooterItem(next);
      return true;
    }
    if (delta < 0 && exitAtStart) {
      selectFooterItem(null);
      return true;
    }
    return false;
  }

  // Prompt suggestion hook - reads suggestions generated by forked agent in query loop
  const {