DONE: enable sound by default on display tv, disable build images when pushing to main branch

fe/web/teller-app/src/pages/BranchDisplayPage/AdCarousel.jsx

@@ -76,22 +76,41 @@ export default function AdCarousel({ tenantCode }) {
         const video = videoRef.current;
         if (!video || currentAd?.mediaType !== 'VIDEO') return undefined;
 
+        let removeUnmuteListener = () => {};
+
         const onEnded = () => goNext();
+        const scheduleFallbackAdvance = () => {
+            clearTimer();
+            const durationMs = Math.max(5, Number(currentAd.durationSeconds) || 15) * 1000;
+            timerRef.current = setTimeout(goNext, durationMs);
+        };
+
         video.addEventListener('ended', onEnded);
-        video.muted = true;
+        video.muted = false;
         video.playsInline = true;
+
         const playPromise = video.play();
         if (playPromise?.catch) {
             playPromise.catch(() => {
-                // Autoplay blocked — advance after durationSeconds fallback
-                clearTimer();
-                const durationMs = Math.max(5, Number(currentAd.durationSeconds) || 15) * 1000;
-                timerRef.current = setTimeout(goNext, durationMs);
+                // Unmuted autoplay blocked — keep video playing muted, then unmute on gesture.
+                video.muted = true;
+                const mutedPlay = video.play();
+                if (mutedPlay?.catch) {
+                    mutedPlay.catch(scheduleFallbackAdvance);
+                }
+
+                const unmute = () => {
+                    video.muted = false;
+                    video.play()?.catch(() => {});
+                };
+                window.addEventListener('pointerdown', unmute, { once: true });
+                removeUnmuteListener = () => window.removeEventListener('pointerdown', unmute);
             });
         }
 
         return () => {
             video.removeEventListener('ended', onEnded);
+            removeUnmuteListener();
         };
     }, [currentAd, goNext, clearTimer]);
 
@@ -127,7 +146,6 @@ export default function AdCarousel({ tenantCode }) {
                         ref={videoRef}
                         className="branch-display__ad-media"
                         src={src}
-                        muted
                         playsInline
                         autoPlay
                     />