Support dynamic Disney+ timeline offset/scale caching for accurate seek sync

extension/content.js

@@ -60,6 +60,8 @@
 
 
 
+    // Suppresses native event reporting after a programmatic action.
+
     // Each entry is a per-type timer (key = 'playing'|'paused'|'seek').
 
     // While a timer exists, matching native events are consumed and not relayed.
@@ -265,6 +267,8 @@
         if (!isDisneyPlusHost() || !Number.isFinite(delta) || Math.abs(delta) < 1 || typeof document === 'undefined') return false;
         const backward = delta < 0;
         const candidates = Array.from(document.querySelectorAll('button,[role="button"]'));
+        const backRe = /rewind|backward|back\b|zurück|zurueck|rück|rueck|retour|recul|retroced|atrás|voltar|indietro/i;
+        const forwardRe = /forward|ahead|skip|vorwärts|vorwaerts|vorsp|weiter|avancer|adelant|avançar|avancar|avanti/i;
         const timeRe = /\b(5|10|15|30)\b|sec|sek|second/i;
 
         const button = candidates.find(btn => {
@@ -275,13 +279,16 @@
             const label = getElementLabel(btn);
             return backward ? backRe.test(label) : forwardRe.test(label);
         });
+
+        if (button && typeof button.click === 'function') {
+            const clicks = Math.max(1, Math.min(12, Math.round(Math.abs(delta) / 10)));
             for (let i = 0; i < clicks; i++) {
                 setTimeout(() => button.click(), i * 60);
             }
             return true;
-            const clicks = Math.max(1, Math.min(12, Math.round(Math.abs(delta) / 10)));
-            for (let i = 0; i < clicks; i++) {
-                setTimeout(() => button.click(), i * 60);
+        }
+
+        // Fallback: Simulate ArrowLeft / ArrowRight keyboard events
         const clicks = Math.max(1, Math.min(12, Math.round(Math.abs(delta) / 10)));
         const eventInit = {
             key: backward ? 'ArrowLeft' : 'ArrowRight',

scripts/test-content-video-finder.cjs

@@ -92,6 +92,8 @@ function loadTimelineFns(hostname, document = makeDocument()) {
   return Function('window', 'document', [
     'let lastDisneyPlusTimelineCandidates = [];',
     'let lastKnownDisneyPlusDuration = 0;',
+    'let lastKnownDisneyPlusScale = 1;',
+    'let lastKnownDisneyPlusStart = 0;',
     extractFunction('hostMatchesUrl', source),
     extractFunction('matchesPlayerUrls', source),
     extractFunction('isDisneyPlusHost', source),