feat: improve lecture slide viewer and bump version to 1.2.28

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "lms",
-  "version": "1.2.26",
+  "version": "1.2.28",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "lms",
-      "version": "1.2.26",
+      "version": "1.2.28",
       "dependencies": {
         "@electron-toolkit/preload": "^3.0.1",
         "@electron-toolkit/utils": "^4.0.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lms",
-  "version": "1.2.26",
+  "version": "1.2.28",
   "description": "Autonomy Studio LMS Electron app",
   "main": "./out/main/index.js",
   "author": {

scripts/test-lecture-viewer.cjs

@@ -31,3 +31,13 @@ test('lecture controls have English translations', () => {
   const en = require('../src/renderer/src/i18n/en.json');
   for (const key of ['슬라이드·퀴즈 열기', '강의 닫기', '슬라이드', '퀴즈', '답안 제출', '다시 풀기']) assert.ok(en[key], key);
 });
+
+test('presentation slides render key messages, examples and legacy body as safe text', () => {
+  const source = fs.readFileSync(require.resolve('../src/renderer/src/features/curriculum/LectureSlideCanvas.tsx'), 'utf8');
+  const exports = {};
+  const output = ts.transpileModule(source, { compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022, jsx: ts.JsxEmit.ReactJSX, esModuleInterop: true } }).outputText;
+  vm.runInNewContext(output, { exports, require: name => name === '../../i18n' ? { t: value => value } : require(name) });
+  const html = renderToStaticMarkup(React.createElement(exports.default, { slide: { id: 's1', type: 'content', title: '속도', subtitle: '핵심 메시지', body: '기존 본문', bullets: ['요점'], example: { label: '실습 예시', content: '<img src=x onerror=alert(1)>' } }, title: '제어 강의', index: 0, total: 4 }));
+  assert.match(html, /핵심 메시지/); assert.match(html, /기존 본문/); assert.match(html, /실습 예시/);
+  assert.doesNotMatch(html, /<img/); assert.match(html, /&lt;img/);
+});

src/renderer/src/features/curriculum/LectureSlideCanvas.tsx

@@ -0,0 +1,97 @@
+import { Code2, FlaskConical } from "lucide-react";
+import { t } from "../../i18n";
+
+export type LectureSlideData = {
+  id: string;
+  type: string;
+  title: string;
+  body: string;
+  bullets: string[];
+  subtitle?: string;
+  example?: { label: string; content: string };
+  code?: string;
+  language?: string;
+};
+export default function LectureSlideCanvas({
+  slide,
+  title,
+  index,
+  total,
+}: {
+  slide: LectureSlideData;
+  title: string;
+  index: number;
+  total: number;
+}) {
+  return (
+    <article
+      aria-label={slide.title}
+      className="relative flex min-h-[420px] min-w-0 flex-col overflow-hidden rounded-lg border border-[#d4dfdc] bg-[#fcfdfc] text-[#192b29] shadow-lg md:aspect-video md:min-h-0"
+    >
+      <div
+        className={`h-1.5 shrink-0 ${slide.type === "summary" ? "bg-[#b6504b]" : "bg-[#167866]"}`}
+      />
+      <header className="flex shrink-0 items-center justify-between gap-4 px-5 pt-5 md:px-10 md:pt-7">
+        <p
+          className="min-w-0 truncate text-xs font-bold text-[#526a64]"
+          title={title}
+        >
+          {title}
+        </p>
+        <span className="shrink-0 text-xs tabular-nums text-[#526a64]">
+          {String(index + 1).padStart(2, "0")} /{" "}
+          {String(total).padStart(2, "0")}
+        </span>
+      </header>
+      <div className="min-h-0 flex-1 overflow-y-auto overscroll-contain px-5 pb-6 pt-5 md:px-10 md:pb-9 md:pt-6">
+        <h3 className="break-words text-[28px] font-bold leading-tight [overflow-wrap:anywhere] md:text-[40px]">
+          {slide.title}
+        </h3>
+        {slide.subtitle && (
+          <p className="mt-4 border-l-[3px] border-[#167866] pl-4 text-base font-semibold leading-relaxed text-[#226354] md:text-[22px]">
+            {slide.subtitle}
+          </p>
+        )}
+        {slide.body && (
+          <p className="mt-5 whitespace-pre-wrap break-words text-sm leading-7 text-[#425a54] md:text-lg">
+            {slide.body}
+          </p>
+        )}
+        {slide.bullets.length > 0 && (
+          <ul className="mt-6 space-y-3 text-sm leading-8 md:text-[20px]">
+            {slide.bullets.map((bullet, i) => (
+              <li key={i} className="flex min-w-0 gap-3">
+                <span className="mt-2.5 h-1.5 w-1.5 shrink-0 rounded-full bg-[#167866]" />
+                <span className="min-w-0 break-words [overflow-wrap:anywhere]">
+                  {bullet}
+                </span>
+              </li>
+            ))}
+          </ul>
+        )}
+        {slide.example?.content && (
+          <aside className="mt-6 border-l-[3px] border-[#b6504b] bg-[#f5efed] px-4 py-3">
+            <h4 className="flex items-center gap-2 text-xs font-bold text-[#8d3f3a]">
+              <FlaskConical size={15} />
+              {slide.example.label || t("예시·실습")}
+            </h4>
+            <p className="mt-2 whitespace-pre-wrap break-words text-sm leading-7 text-[#4e3936] md:text-base">
+              {slide.example.content}
+            </p>
+          </aside>
+        )}
+        {slide.code && (
+          <section className="mt-5 overflow-hidden rounded-md border border-[#c8d4d0] bg-[#202b29] text-[#eef7f3]">
+            <div className="flex items-center gap-2 border-b border-white/10 px-4 py-2 text-xs text-[#a8c6b9]">
+              <Code2 size={14} />
+              {slide.language || t("코드")}
+            </div>
+            <pre className="overflow-x-auto p-4 text-xs leading-6">
+              <code>{slide.code}</code>
+            </pre>
+          </section>
+        )}
+      </div>
+    </article>
+  );
+}

src/renderer/src/features/curriculum/LectureViewerModal.tsx

@@ -9,26 +9,22 @@ import {
   RotateCcw,
   Send,
   X,
+  Maximize2,
+  Minimize2,
 } from "lucide-react";
+import LectureSlideCanvas, {
+  type LectureSlideData,
+} from "./LectureSlideCanvas";
 import { t, useLocaleRender } from "../../i18n";
 import { LMS_API_BASE_URL } from "../../config/appConfig";
 
-type Slide = {
-  id: string;
-  type: string;
-  title: string;
-  body: string;
-  bullets: string[];
-  code?: string;
-  language?: string;
-};
 type Question = { id: string; question: string; options: string[] };
 type Lecture = {
   id: string;
   version: number;
   title: string;
   objectives: string[];
-  slides: Slide[];
+  slides: LectureSlideData[];
   quiz: Question[];
   progress: { lastSlide: number; completedAt: string | null } | null;
 };
@@ -68,6 +64,9 @@ export default function LectureViewerModal({
   const [grade, setGrade] = useState<Grade | null>(null);
   const [error, setError] = useState<string | null>(null);
   const [submitting, setSubmitting] = useState(false);
+  const [expanded, setExpanded] = useState(false);
+  const navigation = useRef({ count: 0, tab: "slides" });
+  navigation.current = { count: lecture?.slides.length ?? 0, tab };
   const requestId = useRef<string | null>(null);
   const controller = useRef(new AbortController());
   const closeRef = useRef(onClose);
@@ -127,11 +126,48 @@ export default function LectureViewerModal({
           );
       });
     const keydown = (event: KeyboardEvent) => {
-      if (event.key === 'Tab') {
+      const editable =
-        const dialog = document.getElementById('lecture-viewer-title')?.closest('[role="dialog"]');
+        event.target instanceof HTMLElement &&
-        const nodes = Array.from(dialog?.querySelectorAll<HTMLElement>('button:not(:disabled), input:not(:disabled), select:not(:disabled), textarea:not(:disabled), [tabindex="0"]') ?? []).filter(e => e.getClientRects().length);
+        Boolean(
-        const first = nodes[0], last = nodes.at(-1);
+          event.target.closest(
-        if (first && last && ((event.shiftKey && document.activeElement === first) || (!event.shiftKey && document.activeElement === last))) { event.preventDefault(); (event.shiftKey ? last : first).focus(); }
+            'input, textarea, select, [contenteditable="true"]',
+          ),
+        );
+      if (
+        !editable &&
+        navigation.current.tab === "slides" &&
+        ["ArrowRight", "ArrowLeft", "PageDown", "PageUp"].includes(event.key)
+      ) {
+        event.preventDefault();
+        const direction =
+          event.key === "ArrowRight" || event.key === "PageDown" ? 1 : -1;
+        setSlideIndex((current) =>
+          Math.min(
+            Math.max(0, current + direction),
+            Math.max(0, navigation.current.count - 1),
+          ),
+        );
+      }
+      if (event.key === "Tab") {
+        const dialog = document
+          .getElementById("lecture-viewer-title")
+          ?.closest('[role="dialog"]');
+        const nodes = Array.from(
+          dialog?.querySelectorAll<HTMLElement>(
+            'button:not(:disabled), input:not(:disabled), select:not(:disabled), textarea:not(:disabled), [tabindex="0"]',
+          ) ?? [],
+        ).filter((e) => e.getClientRects().length);
+        const first = nodes[0],
+          last = nodes.at(-1);
+        if (
+          first &&
+          last &&
+          ((event.shiftKey && document.activeElement === first) ||
+            (!event.shiftKey && document.activeElement === last))
+        ) {
+          event.preventDefault();
+          (event.shiftKey ? last : first).focus();
+        }
       }
       if (event.key === "Escape") {
         event.stopPropagation();
@@ -193,7 +229,7 @@ export default function LectureViewerModal({
       aria-labelledby="lecture-viewer-title"
     >
       <section
-        className={`flex max-h-[94vh] w-full max-w-[1000px] min-w-0 flex-col overflow-hidden rounded-lg border shadow-2xl ${dark ? "border-white/15 bg-[#252525] text-white" : "border-[#cbd5e1] bg-white text-[#111827]"}`}
+        className={`flex w-full min-w-0 flex-col overflow-hidden rounded-lg border shadow-2xl ${expanded ? "h-[calc(100dvh-24px)] max-w-none" : "h-[94dvh] max-h-[1000px] max-w-[1440px]"} ${dark ? "border-white/15 bg-[#252525] text-white" : "border-[#cbd5e1] bg-white text-[#111827]"}`}
       >
         <header
           className={`flex items-start justify-between gap-3 border-b px-5 py-4 ${border}`}
@@ -214,15 +250,26 @@ export default function LectureViewerModal({
               </p>
             )}
           </div>
-          <button
+          <div className="flex shrink-0 items-center gap-1">
-            id="lecture-viewer-close"
+            <button
-            className="grid h-8 w-8 shrink-0 place-items-center rounded-md"
+              type="button"
-            aria-label={t("강의 닫기")}
+              className="grid h-8 w-8 place-items-center rounded-md"
-            title={t("닫기")}
+              title={expanded ? t("원래 크기") : t("전체 화면")}
-            onClick={onClose}
+              aria-label={expanded ? t("원래 크기") : t("전체 화면")}
-          >
+              onClick={() => setExpanded((value) => !value)}
-            <X size={18} />
+            >
-          </button>
+              {expanded ? <Minimize2 size={17} /> : <Maximize2 size={17} />}
+            </button>
+            <button
+              id="lecture-viewer-close"
+              className="grid h-8 w-8 shrink-0 place-items-center rounded-md"
+              aria-label={t("강의 닫기")}
+              title={t("닫기")}
+              onClick={onClose}
+            >
+              <X size={18} />
+            </button>
+          </div>
         </header>
         {lecture && (
           <nav
@@ -233,7 +280,7 @@ export default function LectureViewerModal({
             <button
               role="tab"
               aria-selected={tab === "slides"}
-              className={`inline-flex items-center gap-2 border-b-2 py-3 text-sm font-bold ${tab === "slides" ? dark ? "border-[#60a5fa] text-[#60a5fa]" : "border-[#2563eb] text-[#1d4ed8]" : "border-transparent"}`}
+              className={`inline-flex items-center gap-2 border-b-2 py-3 text-sm font-bold ${tab === "slides" ? (dark ? "border-[#60a5fa] text-[#60a5fa]" : "border-[#2563eb] text-[#1d4ed8]") : "border-transparent"}`}
               onClick={() => setTab("slides")}
             >
               <BookOpen size={15} />
@@ -242,7 +289,7 @@ export default function LectureViewerModal({
             <button
               role="tab"
               aria-selected={tab === "quiz"}
-              className={`inline-flex items-center gap-2 border-b-2 py-3 text-sm font-bold ${tab === "quiz" ? dark ? "border-[#60a5fa] text-[#60a5fa]" : "border-[#2563eb] text-[#1d4ed8]" : "border-transparent"}`}
+              className={`inline-flex items-center gap-2 border-b-2 py-3 text-sm font-bold ${tab === "quiz" ? (dark ? "border-[#60a5fa] text-[#60a5fa]" : "border-[#2563eb] text-[#1d4ed8]") : "border-transparent"}`}
               onClick={() => setTab("quiz")}
             >
               <ClipboardCheck size={15} />
@@ -250,11 +297,11 @@ export default function LectureViewerModal({
             </button>
           </nav>
         )}
-        <div className="min-h-0 flex-1 overflow-y-auto px-5 py-5">
+        <div className="min-h-0 flex-1 overflow-y-auto px-3 py-4 md:px-5">
           {error && (
             <p
               role="alert"
-              className={`mb-4 whitespace-pre-wrap text-sm ${dark ? 'text-[#f87171]' : 'text-[#b91c1c]'}`}
+              className={`mb-4 whitespace-pre-wrap text-sm ${dark ? "text-[#f87171]" : "text-[#b91c1c]"}`}
             >
               {error}
             </p>
@@ -266,38 +313,41 @@ export default function LectureViewerModal({
             </p>
           )}
           {lecture && tab === "slides" && slide && (
-            <article className="min-h-[340px] min-w-0">
+            <div className="grid min-w-0 gap-4 lg:grid-cols-[180px_minmax(0,1fr)]">
-              <div className={`mb-4 text-xs ${muted}`}>
+              <nav
-                {slideIndex + 1} / {lecture.slides.length}
+                aria-label={t("슬라이드 목록")}
-              </div>
+                className={`flex gap-2 overflow-x-auto border-b pb-3 lg:max-h-[620px] lg:flex-col lg:overflow-x-hidden lg:overflow-y-auto lg:border-b-0 lg:border-r lg:pb-0 lg:pr-3 ${border}`}
-              <h3 className="break-words text-2xl font-bold leading-snug">
-                {slide.title}
-              </h3>
-              <p
-                className={`mt-5 whitespace-pre-wrap break-words text-sm leading-7 ${muted}`}
               >
-                {slide.body}
+                {lecture.slides.map((item, index) => (
-              </p>
+                  <button
-              <ul className="mt-4 list-disc space-y-3 pl-5 text-sm leading-6">
+                    type="button"
-                {slide.bullets.map((b, i) => (
+                    key={item.id}
-                  <li key={i} className="break-words">
+                    aria-current={index === slideIndex ? "step" : undefined}
-                    {b}
+                    title={item.title}
-                  </li>
+                    onClick={() => setSlideIndex(index)}
+                    className={`flex w-[145px] shrink-0 items-start gap-2 rounded-md border p-3 text-left text-xs leading-5 lg:w-full ${index === slideIndex ? (dark ? "border-[#61c3ab] bg-[#213a33]" : "border-[#167866] bg-[#e9f4ef] text-[#174f40]") : border}`}
+                  >
+                    <span className="shrink-0 font-bold tabular-nums">
+                      {String(index + 1).padStart(2, "0")}
+                    </span>
+                    <span className="min-w-0 break-words">{item.title}</span>
+                  </button>
                 ))}
-              </ul>
+              </nav>
-              {slide.code && (
+              <LectureSlideCanvas
-                <pre
+                slide={slide}
-                  className={`mt-5 overflow-x-auto rounded-md border p-4 text-xs leading-6 ${border} ${dark ? "bg-[#191919]" : "bg-[#f8fafc]"}`}
+                title={lecture.title}
-                >
+                index={slideIndex}
-                  <code>{slide.code}</code>
+                total={lecture.slides.length}
-                </pre>
+              />
-              )}
+            </div>
-            </article>
           )}
           {lecture && tab === "quiz" && (
             <div className="grid gap-6">
               {grade && (
-                <p className={`text-lg font-bold ${dark ? 'text-[#34d399]' : 'text-[#15803d]'}`}>
+                <p
+                  className={`text-lg font-bold ${dark ? "text-[#34d399]" : "text-[#15803d]"}`}
+                >
                   {grade.score} / {grade.total}
                 </p>
               )}
@@ -318,7 +368,7 @@ export default function LectureViewerModal({
                       {q.options.map((option, i) => (
                         <label
                           key={i}
-                          className={`flex cursor-pointer items-start gap-3 rounded-md border p-3 text-sm ${result?.correctIndex === i ? dark ? "border-[#34d399]" : "border-[#15803d]" : border}`}
+                          className={`flex cursor-pointer items-start gap-3 rounded-md border p-3 text-sm ${result?.correctIndex === i ? (dark ? "border-[#34d399]" : "border-[#15803d]") : border}`}
                         >
                           <input
                             type="radio"

src/renderer/src/i18n/en.json

@@ -775,5 +775,8 @@
   "일반 텍스트": "Plain text",
   "코드": "Code",
   "표": "Table",
-  "강의": "Lecture"
+  "강의": "Lecture",
+  "전체 화면": "Expand",
+  "슬라이드 목록": "Slide list",
+  "예시·실습": "Example / Practice"
 }