Function setElementFontForMode

app.js:1761–1772

(el, mode, value)

}

function setElementFontForMode(el, mode, value) {
  if (!el) return;
  if (mode === "u8g2") {
    const v = sanitizeU8g2FontName(value);
    el.u8g2Font = v;
    el.font = v; // backwards compat
    return;
  }
  const v = sanitizeTftFontId(value);
  el.tftFont = v;
  el.font = v; // backwards compat
}

function ensureElementFontFields(el) {
  if (!el) return;