Go Live: state the Windows-only quality/audio reality in the form; STATUS note

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

live/src/GoLive.jsx

@@ -69,9 +69,9 @@ export default function GoLive({ onExit }) {
             <input value={title} onChange={e => setTitle(e.target.value)} disabled={phase === 'capturing'} />
             <div className="hint">
               Click <b>Start</b>, then pick the <b>WarDogs</b> window in Chrome's dialog and tick <b>Share audio</b>.
-              Window audio needs <b>Windows</b> with <b>Chrome or Edge 141 or newer</b>. On Linux and Mac, Chrome can only
-              capture audio from a browser tab, so the window comes through without sound — use OBS with the dock there.
-              Capped at {MAX_KBPS / 1000} Mbps, up to 1440p60, H.264.
+              <b>Windows</b> with <b>Chrome or Edge 141 or newer</b> is the supported setup: window audio and the GPU
+              encoder. On Linux and Mac Chrome has no window audio and (on NVIDIA) no hardware encoder, so the stream is
+              silent and visibly soft — use OBS with the dock there. Capped at {MAX_KBPS / 1000} Mbps, up to 1440p60, H.264.
             </div>
             <div className="warn-box">
               <b>⚠ This stream is recorded.</b> Everything the window shows and every sound it makes is saved to the