perf(background): reduce reactive update lock duration to 1.0s

extension/background.js

@@ -634,9 +634,9 @@ function handleServerEvent(event, data) {
                             peer.muted = data.muted !== undefined ? data.muted : peer.muted;
 
                             // Race condition guard: ignore heartbeat playbackState/currentTime 
-                            // if we applied a reactive user action in the last 1.5 seconds.
+                            // if we applied a reactive user action in the last 1.0 second.
                             const timeSinceReactive = peer.lastReactiveUpdate ? (Date.now() - peer.lastReactiveUpdate) : Infinity;
-                            const ignoreStatus = timeSinceReactive < 1500;
+                            const ignoreStatus = timeSinceReactive < 1000;
 
                             if (!ignoreStatus) {
                                 peer.playbackState = data.playbackState !== undefined ? data.playbackState : peer.playbackState;

extension/manifest.base.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "KoalaSync",
-  "version": "1.5.1",
+  "version": "1.5.2",
   "description": "Watch party extension to synchronize video playback on YouTube, Twitch, Netflix, and HTML5 sites in real-time with friends.",
   "permissions": [
     "storage",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "koalasync",
-  "version": "1.5.1",
+  "version": "1.5.2",
   "description": "KoalaSync Build Scripts",
   "private": true,
   "scripts": {

website/version.json

@@ -1,4 +1,4 @@
 {
-  "version": "1.5.1",
-  "date": "2026-05-18T17:44:37Z"
+  "version": "1.5.2",
+  "date": "2026-05-18T18:09:45Z"
 }