style: apply prettier/eslint quote consistency and add missing comments

static/player/skip/index.ts

@@ -1,14 +1,19 @@
 import { state } from '../state';
 import { displayTimeFromAbsolute, absoluteTimeFromDisplay } from '../timeline';
 import { showControls } from '../controls';
-import { resolveActiveSegments, renderSegments } from './segments';
 
+// button label based on segment type
 const skipLabel = (type: string): string => (type === 'ed' ? 'Skip outro' : 'Skip intro');
 
+/**
+ * Updates skip button visibility and auto-skip logic.
+ * Called on timeupdate. Shows button when in active segment.
+ */
 export const updateSkipButton = (currentTime: number): void => {
   const btn = state.container.querySelector('[data-skip]') as HTMLButtonElement | null;
   const displayTime = displayTimeFromAbsolute(currentTime);
 
+  // find segment that contains current time (with delay buffer)
   const segment = state.activeSegments.find(s => {
     const delay = Math.min(1, Math.max(0.25, (s.end - s.start) * 0.02));
     return displayTime >= s.start + delay && displayTime < s.end;
@@ -20,12 +25,14 @@ export const updateSkipButton = (currentTime: number): void => {
     return;
   }
 
+  // auto-skip: jump to end if enabled
   const autoSkip = localStorage.getItem('mal:autoskip-enabled') === 'true';
   if (autoSkip && displayTime >= segment.start && displayTime < segment.end) {
     state.video.currentTime = absoluteTimeFromDisplay(segment.end + 0.01);
     return;
   }
 
+  // show skip button
   state.activeSkipSegment = segment;
   if (btn) {
     btn.textContent = skipLabel(segment.type);
@@ -34,11 +41,17 @@ export const updateSkipButton = (currentTime: number): void => {
   }
 };
 
+/**
+ * Syncs autoskip checkbox with localStorage.
+ */
 export const updateAutoSkipButton = (): void => {
   const btn = document.querySelector('[data-autoskip]') as HTMLInputElement | null;
   btn && (btn.checked = localStorage.getItem('mal:autoskip-enabled') === 'true');
 };
 
+/**
+ * Binds autoskip toggle change handler.
+ */
 export const setupSkip = (): void => {
   document.addEventListener('change', e => {
     const target = e.target as HTMLElement;