pub(crate) fn render(app: &App, frame: &mut Frame<'_>, area: Rect, pane: Pane)Expand description
Render a band panel (A or B) into the given area.
Displays frequency, mode, power, squelch, busy/RX indicator, S-meter bar, step size, and attenuator state. When the pane is focused and in frequency input mode, an additional input prompt line is shown. Returns early for non-band panes.