fix: satisfy typecheck in player

static/player/episodes/thumbnails.ts

@@ -5,12 +5,14 @@ import { state } from '../state';
  * Injects images into episode cards, replaces placeholder.
  */
 export const setupThumbnails = (): void => {
+  const episodeList = state.episodeList;
+  if (!episodeList) return;
+
   fetch(`/api/watch/thumbnails/${state.malID}`)
     .then(res => res.json())
     .then((data: { mal_id: number; url: string; title?: string }[]) => {
-      if (!state.episodeList) return;
       data.forEach(item => {
-        const card = state.episodeList.querySelector(`[data-episode-id="${item.mal_id}"]`);
+        const card = episodeList.querySelector(`[data-episode-id="${item.mal_id}"]`);
         if (!card) return;
 
         // inject thumbnail image

static/player/mode.ts

@@ -34,7 +34,10 @@ export const switchMode = (mode: string): void => {
   if (!state.availableModes.includes(mode) || mode === state.currentMode) return;
   state.currentMode = mode;
   localStorage.setItem('player-audio-mode', mode);
-  loadVideo(streamUrlForMode(mode, state.container.querySelector('[data-quality-select]')?.value));
+  const qualitySelect = state.container.querySelector(
+    '[data-quality-select]'
+  ) as HTMLSelectElement | null;
+  loadVideo(streamUrlForMode(mode, qualitySelect?.value));
   updateSubtitleOptions();
   updateQualityOptions();
   updateModeButtons();

static/player/state.ts

@@ -105,27 +105,18 @@ const findElement = <T extends Element>(
 };
 
 const requiredPlayerElements = (container: HTMLElement): RequiredPlayerElements | null => {
-  const elements = {
-    video: findElement(container, 'video', HTMLVideoElement),
-    progress: findElement(container, '[data-progress]', HTMLElement),
-    scrubber: findElement(container, '[data-scrubber]', HTMLElement),
-    buffered: findElement(container, '[data-buffered]', HTMLElement),
-    timeDisplay: findElement(container, '[data-time]', HTMLElement),
-    durationDisplay: findElement(container, '[data-duration]', HTMLElement),
-  };
+  const video = findElement(container, 'video', HTMLVideoElement);
+  const progress = findElement(container, '[data-progress]', HTMLElement);
+  const scrubber = findElement(container, '[data-scrubber]', HTMLElement);
+  const buffered = findElement(container, '[data-buffered]', HTMLElement);
+  const timeDisplay = findElement(container, '[data-time]', HTMLElement);
+  const durationDisplay = findElement(container, '[data-duration]', HTMLElement);
 
-  if (
-    !elements.video ||
-    !elements.progress ||
-    !elements.scrubber ||
-    !elements.buffered ||
-    !elements.timeDisplay ||
-    !elements.durationDisplay
-  ) {
+  if (!video || !progress || !scrubber || !buffered || !timeDisplay || !durationDisplay) {
     return null;
   }
 
-  return elements;
+  return { video, progress, scrubber, buffered, timeDisplay, durationDisplay };
 };
 
 /**