Implement temporary Media Session interceptor diagnostics for Disney+ and restore Netflix sessionId lookup guard

extension/background.js

@@ -1654,6 +1654,42 @@ async function devRemoteToolsAllowed() {
     return data.username === 'KoalaDev';
 }
 
+const mediaSessionInterceptorHosts = [
+    'disneyplus.com'
+];
+
+function shouldInstallMediaSessionInterceptor(url) {
+    try {
+        const host = new URL(url).hostname.toLowerCase();
+        return mediaSessionInterceptorHosts.some(h => host === h || host.endsWith('.' + h));
+    } catch (_e) {
+        return false;
+    }
+}
+
+function installMediaSessionInterceptor() {
+    if (window.__koalaMediaSessionInterceptorInstalled) return;
+    window.__koalaMediaSessionInterceptorInstalled = true;
+    if (!navigator.mediaSession || typeof navigator.mediaSession.setPositionState !== 'function') return;
+
+    const originalSet = navigator.mediaSession.setPositionState;
+    navigator.mediaSession.setPositionState = function(state) {
+        try {
+            window.postMessage({
+                __koalaMediaSessionCapture: 1,
+                state: {
+                    duration: state?.duration,
+                    playbackRate: state?.playbackRate,
+                    position: state?.position
+                }
+            }, '*');
+        } catch (_e) {
+            // Suppress errors to not interfere with player
+        }
+        return originalSet.apply(navigator.mediaSession, arguments);
+    };
+}
+
 function shouldUsePageApiSeek(url) {
     return typeof globalThis.koalaFindPageApiSeekProvider === 'function' &&
         !!globalThis.koalaFindPageApiSeekProvider(url);
@@ -1697,9 +1733,12 @@ function setPageApiSeekEnabled(enabled) {
 async function injectContentScript(tabId) {
     let needsPageApiSeek = false;
     let pageApiSeekReady = false;
+    let isMediaSessionCapable = false;
     try {
         const tab = await chrome.tabs.get(tabId);
-        needsPageApiSeek = shouldUsePageApiSeek(tab?.url || '');
+        const url = tab?.url || '';
+        needsPageApiSeek = shouldUsePageApiSeek(url);
+        isMediaSessionCapable = shouldInstallMediaSessionInterceptor(url);
     } catch (_e) {
         // Fall through to the generic content script injection.
     }
@@ -1722,6 +1761,18 @@ async function injectContentScript(tabId) {
         }
     }
 
+    if (isMediaSessionCapable) {
+        try {
+            await chrome.scripting.executeScript({
+                target: { tabId },
+                world: 'MAIN',
+                func: installMediaSessionInterceptor
+            });
+        } catch (err) {
+            addLog(`Media Session interceptor injection failed: ${err.message}`, 'warn');
+        }
+    }
+
     await chrome.scripting.executeScript({
         target: { tabId },
         files: ['page-api-seek-overrides.js']

extension/content.js

@@ -1396,6 +1396,7 @@
 
     function applyAudioSettings(videoEl, settings) {
 
+        const mergedSettings = mergeAudioSettings(settings);
 
         if (!mergedSettings.enabled || !mergedSettings.compressor?.enabled) {
 
@@ -1406,7 +1407,8 @@
         }
 
 
-
+
+        const chain = setupAudioChain(videoEl);
 
         if (!chain) return;
 
@@ -1804,6 +1806,13 @@
                 video.pause();
 
             } else if (action === EVENTS.SEEK) {
+                seekVideo(video, data.targetTime, data.delta);
+            }
+
+    } catch (e) {
+
+            reportLog(`Media Action Error: ${e.message}`, 'error');
+
         }
 
     }

extension/popup.js

@@ -2283,6 +2283,10 @@ function refreshDebugInfo() {
                 if (state.nativeCurrentTime != null || state.nativeDuration != null) {
                     addField('Native Time', `${state.nativeCurrentTime ?? '?'}s / ${state.nativeDuration ?? '?'}s`);
                 }
+                if (state.mediaSessionPosition) {
+                    const pos = state.mediaSessionPosition;
+                    addField('MediaSession Captured', `${pos.position ?? '?'}s / ${pos.duration ?? '?'}s (@ ${pos.playbackRate ?? 1}x)`, '#a855f7');
+                }
                 if (state.siteQuirk) {
                     const quirk = state.siteQuirk;
                     const label = quirk.name || quirk.key || 'Site';