chore(frontend): tighten eslint/axe gates, remove reader waivers (B5 done, spec ② complete)

frontend/src/readers/TextReader.tsx

@@ -122,6 +122,7 @@ function MdView({ book, initialLocator, initialPercent, chrome }: ReaderProps) {
   if (text == null) return <LoadState text="正文加载中…" />;
   return (
     <div className="rd-surface relative flex h-full flex-col" data-rd={rd}>
+      {/* eslint-disable-next-line jsx-a11y/no-static-element-interactions, jsx-a11y/click-events-have-key-events -- 点正文唤出/收起工具栏的手势区;正文滚轮/拖选不涉及键盘操作 */}
       <div
         ref={boxRef}
         onScroll={onScroll}
@@ -136,6 +137,8 @@ function MdView({ book, initialLocator, initialPercent, chrome }: ReaderProps) {
       </div>
       {chrome.on && (
         <ReaderSettings
+          themeMode={pr.prefs.themeMode}
+          onThemeMode={pr.setThemeMode}
           slider={{
             value: Math.round(frac * 1000),
             max: 1000,
@@ -157,6 +160,7 @@ function MdView({ book, initialLocator, initialPercent, chrome }: ReaderProps) {
           }
           showFont
           onFont={pr.bumpText}
+          fontIdx={pr.prefs.text.sizeIdx}
           extra={
             <>
               <LineHeightRow pr={pr} />
@@ -247,7 +251,7 @@ function TxtView({ book, initialLocator, initialPercent, chrome }: ReaderProps)
     const rawCh = Number(initialLocator?.ch);
     if (Number.isFinite(rawCh) && rawCh >= 0 && rawCh < chapters.length) {
       targetCi.current = Math.floor(rawCh);
-      // eslint-disable-next-line react-hooks/set-state-in-effect -- 首章渲染后按缓存 locator 落位阅读进度;ci 与下方滚动定位 effect/refs 协作,改渲染期重置属高风险重构,保守保留
+      // eslint-disable-next-line react-hooks/set-state-in-effect -- 首章渲染后按缓存 locator 落位阅读进度:ci 落位与下方滚动定位 effect/refs 协作,生命周期与恢复进度语义同源,保留带理由
       setCi(Math.floor(rawCh));
       if (hasF) restoreFrac.current = f;
     } else if (hasF) {
@@ -311,6 +315,7 @@ function TxtView({ book, initialLocator, initialPercent, chrome }: ReaderProps)
 
   return (
     <div className="rd-surface relative flex h-full flex-col" data-rd={rd}>
+      {/* eslint-disable-next-line jsx-a11y/no-static-element-interactions, jsx-a11y/click-events-have-key-events -- 点正文唤出/收起工具栏的手势区;点按是唯一唤出途径,键盘用户由常驻工具条提供全部控制 */}
       <div
         ref={boxRef}
         onScroll={onScroll}
@@ -326,6 +331,8 @@ function TxtView({ book, initialLocator, initialPercent, chrome }: ReaderProps)
       </div>
       {chrome.on && (
         <ReaderSettings
+          themeMode={pr.prefs.themeMode}
+          onThemeMode={pr.setThemeMode}
           slider={{
             value: Math.round(total * 1000),
             max: 1000,
@@ -367,6 +374,7 @@ function TxtView({ book, initialLocator, initialPercent, chrome }: ReaderProps)
           }
           showFont
           onFont={pr.bumpText}
+          fontIdx={pr.prefs.text.sizeIdx}
           extra={
             <>
               <LineHeightRow pr={pr} />