fix: keep autoplay fallback from saving mute

(cherry picked from commit f373bb9ce7)

js/services/playbackService.js

@@ -1,6 +1,10 @@
 import { userLogger } from "../utils/logger.js";
 import { PLAYBACK_START_TIMEOUT } from "../constants.js";
 import { getCurrentVideo, setCurrentVideo } from "../state/appState.js";
+import {
+  consumeAutoplayFallbackMute,
+  muteForAutoplayFallback,
+} from "../utils/autoplayPreference.js";
 import {
   SimpleEventEmitter,
   extractWebSeedsFromMagnet,
@@ -330,11 +334,17 @@ export class PlaybackService {
       return;
     }
     const storedUnmuted = localStorage.getItem("unmutedAutoplay");
-    const userWantsUnmuted = storedUnmuted === "true";
+    // Sound is the default for an explicit watch action. Browsers may still
+    // reject unmuted autoplay, in which case the coordinator retries muted.
+    // Preserve a viewer's explicit mute choice across subsequent videos.
+    const userWantsUnmuted = storedUnmuted !== "false";
     videoElement.muted = !userWantsUnmuted;
 
     if (!videoElement.dataset.autoplayBound) {
       videoElement.addEventListener("volumechange", () => {
+        if (consumeAutoplayFallbackMute(videoElement)) {
+          return;
+        }
         localStorage.setItem(
           "unmutedAutoplay",
           (!videoElement.muted).toString()
@@ -344,6 +354,10 @@ export class PlaybackService {
     }
   }
 
+  muteForAutoplayFallback(videoElement) {
+    return muteForAutoplayFallback(videoElement);
+  }
+
   /**
    * Registers a set of event listeners ("watchdogs") on the video element to detect
    * when playback has stalled or failed.