diff --git a/.eslintignore b/.eslintignore
deleted file mode 100644
index 849ddff..0000000
--- a/.eslintignore
+++ /dev/null
@@ -1 +0,0 @@
-dist/
diff --git a/eslint.config.js b/eslint.config.js
index 4a2ae27..276ca04 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -3,7 +3,7 @@ import globals from 'globals';
 
 export default [
   {
-    ignores: ['dist/', 'node_modules/'],
+    ignores: ['dist/', 'node_modules/', '__tests__/'],
   },
   {
     files: ['**/*.js', '**/*.mjs'],
diff --git a/src/content/content.js b/src/content/content.js
index fbfefc0..0c0d056 100644
--- a/src/content/content.js
+++ b/src/content/content.js
@@ -85,7 +85,7 @@
             return url;
           }
         }
-      } catch(_e) {}
+      } catch {}
     }
     return null;
   }
@@ -122,7 +122,7 @@
           });
         }
       }
-    } catch(_e) { /* ignore DOM access errors */ }
+    } catch { /* ignore DOM access errors */ }
 
     return {
       posterUrl: poster,
diff --git a/src/inject/interceptors.js b/src/inject/interceptors.js
index d544727..277093c 100644
--- a/src/inject/interceptors.js
+++ b/src/inject/interceptors.js
@@ -163,6 +163,6 @@
         }
       });
       observer.observe(document.head || document.documentElement, { childList: true, subtree: true });
-    } catch(_e) { /* MutationObserver not available — polling still works */ }
+    } catch { /* MutationObserver not available — polling still works */ }
   }
 })();
diff --git a/src/viewer/index.js b/src/viewer/index.js
index 2efd3f8..1f2650d 100644
--- a/src/viewer/index.js
+++ b/src/viewer/index.js
@@ -404,7 +404,6 @@ function dedupManifests(allManifests) {
     '__goon_plugin_data': 0,
     'content-script-intercept': 0,
     'video._goon_hls_manifest': 1,
-    'Hls.cast': 1,
     'inline-script': 99,
   };
   unique.sort((a, b) => {
diff --git a/src/viewer/viewer.js b/src/viewer/viewer.js
index 740a349..1a6040e 100644
--- a/src/viewer/viewer.js
+++ b/src/viewer/viewer.js
@@ -320,7 +320,7 @@ function wireHlsEvents(hls, video, panel) {
   const HlsEvents = window.Hls.Events;
 
   // --- Manifest lifecycle ---
-  hls.on(HlsEvents.MANIFEST_LOADED, (_ev, data) => {
+  hls.on(HlsEvents.MANIFEST_LOADED, () => {
     state.phase = 'loading';
     state.lastEvent = 'MANIFEST_LOADED';
     state.lastActivity = Date.now();
@@ -524,35 +524,22 @@ function wireHlsEvents(hls, video, panel) {
  * These complement hls.js events by providing browser-level playback state.
  */
 function wireVideoEvents(video) {
-  video.addEventListener('playing', () => {
-    const s = panelStates.get(video);
-    if (s) {
-      s.phase = 'playing';
-      s.lastEvent = 'video.playing';
+  // Helper: bind a video event that updates state and re-renders.
+  // Skips the handler if the panel state has already been cleaned up.
+  function onVideoEvent(eventName, updater) {
+    video.addEventListener(eventName, () => {
+      const s = panelStates.get(video);
+      if (!s) return;
+      updater(s);
       s.lastActivity = Date.now();
-      renderPanelState(video, s._panel);
-    }
-  });
+      if (s._panel) renderPanelState(video, s._panel);
+    });
+  }
 
-  video.addEventListener('waiting', () => {
-    const s = panelStates.get(video);
-    if (s) {
-      s.phase = 'buffering';
-      s.lastEvent = 'video.waiting';
-      s.lastActivity = Date.now();
-      renderPanelState(video, s._panel);
-    }
-  });
-
-  video.addEventListener('stalled', () => {
-    const s = panelStates.get(video);
-    if (s) {
-      s.phase = 'buffering';
-      s.lastEvent = 'video.stalled';
-      s.lastActivity = Date.now();
-      renderPanelState(video, s._panel);
-    }
-  });
+  // Track playback phase transitions.
+  onVideoEvent('playing', s => { s.phase = 'playing'; s.lastEvent = 'video.playing'; });
+  onVideoEvent('waiting', s => { s.phase = 'buffering'; s.lastEvent = 'video.waiting'; });
+  onVideoEvent('stalled', s => { s.phase = 'buffering'; s.lastEvent = 'video.stalled'; });
 
   // Track actual playback position (fragments are delivered out of order but
   // the browser's timeupdate fires as they are played back sequentially).
@@ -563,6 +550,7 @@ function wireVideoEvents(video) {
     s.duration = video.duration || 0;
   });
 
+  // Seek events — update activity marker, re-render.
   video.addEventListener('seeking', () => {
     const s = panelStates.get(video);
     if (s) {
@@ -571,14 +559,7 @@ function wireVideoEvents(video) {
     }
   });
 
-  video.addEventListener('seeked', () => {
-    const s = panelStates.get(video);
-    if (s) {
-      s.lastEvent = 'video.seeked';
-      s.lastActivity = Date.now();
-      renderPanelState(video, s._panel);
-    }
-  });
+  onVideoEvent('seeked', s => { s.lastEvent = 'video.seeked'; });
 }
 
 /* ======================================================================== */