patch curriculum..

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lms",
-  "version": "1.1.6",
+  "version": "1.1.7",
   "description": "Autonomy Studio LMS Electron app",
   "main": "./out/main/index.js",
   "author": {

src/main/index.ts

@@ -1148,14 +1148,21 @@ async function ensureArtifactFile(url?: string | null, fileName?: string | null,
   if (!artifactUrl) return null
 
   const targetPath = artifactCachePath(artifactUrl, fileName)
+  const expected = checksumSha256?.trim().toLowerCase()
   if (!existsSync(targetPath)) await downloadArtifact(artifactUrl, targetPath)
-  if (checksumSha256?.trim()) {
+  if (expected) {
-    const actual = createHash('sha256').update(await readFile(targetPath)).digest('hex')
+    let actual = createHash('sha256').update(await readFile(targetPath)).digest('hex').toLowerCase()
-    if (actual.toLowerCase() !== checksumSha256.trim().toLowerCase()) {
+    if (actual !== expected) {
+      // Artifact URLs are stable, so an existing filename can be an older cached release.
+      await rm(targetPath, { force: true })
+      await downloadArtifact(artifactUrl, targetPath)
+      actual = createHash('sha256').update(await readFile(targetPath)).digest('hex').toLowerCase()
+      if (actual !== expected) {
         await rm(targetPath, { force: true }).catch(() => undefined)
         throw new Error(`artifact checksum mismatch: ${safeArtifactFileName(artifactUrl, fileName)}`)
       }
     }
+  }
   return targetPath
 }
 
@@ -3434,6 +3441,7 @@ function buildNav2ModuleEnvScript(): string {
     '  "[lms-nav2-gazebo-perception]nav2-perception_v1.0.0_ws"',
     '  "[lms-nav2-gazebo-perception3d]nav2-perception3d_v1.0.0_ws"',
     '  "[lms-nav2-gazebo-slam3d]nav2-slam3d_v1.0.0_ws"',
+    '  "[lms-nav2-gazebo-gui]nav2-rviz2_v1.0.0_ws"',
     ')',
     '',
     'for module_dir in "${MODULES[@]}"; do',
@@ -3489,6 +3497,7 @@ function buildNav2DockerRunScript(): string {
     '  *lms-nav2-gazebo-planning*) PACKAGE=planning_pkg; LAUNCH=planning.launch.py ;;',
     '  *lms-nav2-gazebo-control*) PACKAGE=control_pkg; LAUNCH=control.launch.py ;;',
     '  *lms-nav2-gazebo-perception3d*) PACKAGE=perception3d_pkg; LAUNCH=perception.launch.py ;;',
+    '  *lms-nav2-gazebo-gui*) PACKAGE=gui_pkg; LAUNCH=gui.launch.py ;;',
     '  *lms-nav2-gazebo-slam*) PACKAGE=slam_pkg; LAUNCH=slam.launch.py ;;',
     '  *lms-nav2-gazebo-perception*) PACKAGE=perception_pkg; LAUNCH=perception.launch.py ;;',
     '  *nav2-simulator*) PACKAGE=nav2_turtlebot_simulator; LAUNCH=simulator.launch.py ;;',
@@ -3580,6 +3589,7 @@ function buildNav2DockerBuildScript(): string {
     '  *lms-nav2-gazebo-planning*) TARGET=planning_pkg ;;',
     '  *lms-nav2-gazebo-control*) TARGET=control_pkg ;;',
     '  *lms-nav2-gazebo-perception3d*) TARGET=perception3d_pkg ;;',
+    '  *lms-nav2-gazebo-gui*) TARGET=gui_pkg ;;',
     '  *lms-nav2-gazebo-slam*) TARGET=slam_pkg ;;',
     '  *lms-nav2-gazebo-perception*) TARGET=perception_pkg ;;',
     '  *nav2-simulator*) TARGET=nav2_turtlebot_simulator ;;',

src/renderer/src/App.tsx

@@ -16,7 +16,7 @@ import CourseSelectionScreen from './features/curriculum/CourseSelectionScreen'
 import CurriculumHomeScreen from './features/curriculum/CurriculumHomeScreen'
 import InstructorStudioNoticeModal from './features/curriculum/InstructorStudioNoticeModal'
 import MaterialsModal from './features/curriculum/MaterialsModal'
-import { fetchCurriculum, fetchStudentCourses, getDownloadResourceSizeLabel, getDownloadResourceWeek, resolveDownloadUrl } from './features/curriculum/curriculumApi'
+import { enrollInCourse, fetchCurriculum, fetchStudentCourses, getDownloadResourceSizeLabel, getDownloadResourceWeek, resolveDownloadUrl, searchCourseCatalog } from './features/curriculum/curriculumApi'
 import type { CustomModuleInput } from './features/workspace/ModuleListView'
 import type { CurriculumWeek, DownloadResource, LearningStat, StudentCourseOption } from './features/curriculum/types'
 import { getContextHelpSteps } from './features/help/contextHelp'
@@ -449,8 +449,10 @@ function LocalPcWorkspaceMockup({
   courseKey,
   curriculumWeek,
   teamGroupId,
+  publicGuideCourse,
   activeLearningStep,
   allowFutureLearningSteps,
+  teacherQaDisabled,
   onLearningStepSelect,
   onSubmissionRecorded,
   onVisualizationHostChange
@@ -495,8 +497,10 @@ function LocalPcWorkspaceMockup({
   courseKey: string
   curriculumWeek: CurriculumWeek
   teamGroupId?: string | null
+  publicGuideCourse: boolean
   activeLearningStep: string | null
   allowFutureLearningSteps: boolean
+  teacherQaDisabled?: boolean
   onLearningStepSelect?: (step: string) => void
   onSubmissionRecorded: () => void
   onVisualizationHostChange?: (host: WorkspaceVisualizationHost) => void
@@ -3708,7 +3712,7 @@ function LocalPcWorkspaceMockup({
               }}
               selectedMap={selectedWorldMap}
               showSelectedMapPreview={Boolean(curriculumWeek.maps?.some((map) => map.platformKey === 'NAV2'))}
-              allowRepositoryDeletion={!remoteWorkspace}
+              allowRepositoryDeletion={!remoteWorkspace && !publicGuideCourse}
               allowCustomModuleCreation={!remoteWorkspace}
               onAddModuleTab={addModuleTabOnly}
               onOpenSource={openModuleSource}
@@ -3801,6 +3805,7 @@ function LocalPcWorkspaceMockup({
           iconButtonClass={iconButtonClass}
           accessToken={accessToken}
           qaMode={qaMode}
+          teacherQaDisabled={teacherQaDisabled}
           teacherChatFlash={teacherChatFlash}
           qaMessagesLoading={qaMessagesLoading}
           visibleAiMessages={visibleAiMessages}
@@ -3856,8 +3861,9 @@ export default function App(): React.JSX.Element {
   const [studentGroup, setStudentGroup] = useState<{ id: string; name: string } | null>(null)
   const [courseKey, setCourseKey] = useState('default-course')
   const [studentCourses, setStudentCourses] = useState<StudentCourseOption[]>([])
+  const [trialCourse, setTrialCourse] = useState<StudentCourseOption | null>(null)
   const [studentCoursesLoaded, setStudentCoursesLoaded] = useState(false)
-  const [selectedCourseId, setSelectedCourseId] = useState(() => window.localStorage.getItem(SELECTED_COURSE_STORAGE_KEY) ?? '')
+  const [selectedCourseId, setSelectedCourseId] = useState('')
   const [courseSelectionVisible, setCourseSelectionVisible] = useState(false)
   const [outerView, setOuterView] = useState<'curriculum' | 'guide'>('curriculum')
   const [selectedWeekState, setSelectedWeekState] = useState<CurriculumWeek | null>(null)
@@ -3904,6 +3910,7 @@ export default function App(): React.JSX.Element {
   const [downloadResources, setDownloadResources] = useState<DownloadResource[]>([])
   const [authSession, setAuthSession] = useState<LmsAuthSession | null>(null)
   const authSessionRef = useRef<LmsAuthSession | null>(null)
+  const selectedCourseUserRef = useRef<string | null>(null)
   const [authReady, setAuthReady] = useState(false)
   const [sessionExpired, setSessionExpired] = useState(false)
   const [studentCoursesLoading, setStudentCoursesLoading] = useState(false)
@@ -3957,6 +3964,9 @@ export default function App(): React.JSX.Element {
   const [runningPlatformCloseTarget, setRunningPlatformCloseTarget] = useState<PlatformOption | null>(null)
   const [titlebarNotices, setTitlebarNotices] = useState<Array<{ id: number; title: string; tone?: 'info' | 'warning' | 'error'; addToList?: boolean }>>([])
   const instructorAccount = isInstructorAccount(authSession?.user)
+  const selectedCourseStorageKey = authSession?.user.id
+    ? `${SELECTED_COURSE_STORAGE_KEY}.${authSession.user.id}`
+    : null
 
   const openContextHelp = (): void => {
     const steps = getContextHelpSteps({
@@ -3989,7 +3999,8 @@ export default function App(): React.JSX.Element {
   const selectedWeek = selectedWeekState ?? EMPTY_WEEK
   const workspaceWeek = workspaceWeekState ?? selectedWeekState ?? EMPTY_WEEK
   const teamWorkspaceGroupId = workspaceWeek.isTeamProject ? studentGroup?.id ?? null : null
-  const selectedCourse = studentCourses.find((course) => course.id === selectedCourseId) ?? null
+  const selectedCourse = studentCourses.find((course) => course.id === selectedCourseId)
+    ?? (trialCourse?.id === selectedCourseId ? trialCourse : null)
   const publicGuideCourseActive = selectedCourse?.slug === PUBLIC_GUIDE_COURSE_SLUG
   const studioDisabled = !selectedWeekState
   const connectedEnvironmentProfile = connectedPlatform
@@ -4037,6 +4048,22 @@ export default function App(): React.JSX.Element {
   useEffect(() => {
     authSessionRef.current = authSession
   }, [authSession])
+  useEffect(() => {
+    const userId = authSession?.user.id ?? null
+    if (!userId) {
+      selectedCourseUserRef.current = null
+      return
+    }
+    if (selectedCourseUserRef.current === userId) return
+
+    selectedCourseUserRef.current = userId
+    setSelectedCourseId('')
+    setStudentCourses([])
+    setTrialCourse(null)
+    setStudentCoursesLoaded(false)
+    setCourseSelectionVisible(true)
+    window.localStorage.removeItem(SELECTED_COURSE_STORAGE_KEY)
+  }, [authSession?.user.id])
   useEffect(() => {
     connectedPlatformRef.current = connectedPlatform
   }, [connectedPlatform])
@@ -4234,23 +4261,27 @@ export default function App(): React.JSX.Element {
 
     setStudentCoursesLoading(true)
     try {
-      const courses = await fetchStudentCourses(fetchWithFreshAuth)
+      const { courses, guideCourse } = await fetchStudentCourses(fetchWithFreshAuth)
+      const selectableCourses = guideCourse ? [...courses, guideCourse] : courses
 
       setStudentCourses(courses)
+      setTrialCourse(guideCourse)
       setStudentCoursesLoaded(true)
       setSelectedCourseId((current) => {
-        if (current && courses.some((course) => course.id === current)) {
+        if (current && selectableCourses.some((course) => course.id === current)) {
           if (options.autoSelectSingle) setCourseSelectionVisible(false)
           return current
         }
-        const stored = window.localStorage.getItem(SELECTED_COURSE_STORAGE_KEY)
+        const stored = selectedCourseStorageKey
-        if (stored && courses.some((course) => course.id === stored)) {
+          ? window.localStorage.getItem(selectedCourseStorageKey)
+          : null
+        if (stored && selectableCourses.some((course) => course.id === stored)) {
           if (options.autoSelectSingle) setCourseSelectionVisible(false)
           return stored
         }
-        window.localStorage.removeItem(SELECTED_COURSE_STORAGE_KEY)
+        if (selectedCourseStorageKey) window.localStorage.removeItem(selectedCourseStorageKey)
         if (options.autoSelectSingle && courses.length === 1) {
-          window.localStorage.setItem(SELECTED_COURSE_STORAGE_KEY, courses[0].id)
+          if (selectedCourseStorageKey) window.localStorage.setItem(selectedCourseStorageKey, courses[0].id)
           setCourseSelectionVisible(false)
           return courses[0].id
         }
@@ -4259,12 +4290,13 @@ export default function App(): React.JSX.Element {
       })
     } catch {
       setStudentCourses([])
+      setTrialCourse(null)
       setStudentCoursesLoaded(true)
       setCourseSelectionVisible(true)
     } finally {
       setStudentCoursesLoading(false)
     }
-  }, [authReady, authSession?.accessToken, fetchWithFreshAuth])
+  }, [authReady, authSession?.accessToken, fetchWithFreshAuth, selectedCourseStorageKey])
 
   useEffect(() => {
     void loadStudentCourses({ autoSelectSingle: true })
@@ -4705,12 +4737,20 @@ export default function App(): React.JSX.Element {
       setCourseChangeBlockedOpen(true)
       return
     }
-    window.localStorage.setItem(SELECTED_COURSE_STORAGE_KEY, courseId)
+    if (selectedCourseStorageKey) window.localStorage.setItem(selectedCourseStorageKey, courseId)
     setSelectedCourseId(courseId)
     setCourseSelectionVisible(false)
     setLocalPcLayoutOpen(false)
     setCurriculumRefreshSignal((current) => current + 1)
   }
+  const searchStudentCourseCatalog = useCallback(
+    (query: string) => searchCourseCatalog(fetchWithFreshAuth, query),
+    [fetchWithFreshAuth],
+  )
+  const enrollStudentInCourse = useCallback(async (courseId: string): Promise<void> => {
+    await enrollInCourse(fetchWithFreshAuth, courseId)
+    await loadStudentCourses({ autoSelectSingle: false })
+  }, [fetchWithFreshAuth, loadStudentCourses])
   const closeLocalPcWorkspace = (): void => {
     setLocalPcLayoutOpen(false)
     if (!userSidebarCollapsed) setSidebarCollapsed(false)
@@ -5591,8 +5631,10 @@ export default function App(): React.JSX.Element {
 	                  courseKey={courseKey}
                   curriculumWeek={workspaceWeek}
                   teamGroupId={teamWorkspaceGroupId}
+                  publicGuideCourse={publicGuideCourseActive}
                   activeLearningStep={activeLearningStep}
                   allowFutureLearningSteps={publicGuideCourseActive}
+                  teacherQaDisabled={publicGuideCourseActive}
                   onLearningStepSelect={publicGuideCourseActive ? setActiveLearningStep : undefined}
                   onSubmissionRecorded={() => undefined}
                   onVisualizationHostChange={handleWorkspaceVisualizationHostChange}
@@ -5628,9 +5670,12 @@ export default function App(): React.JSX.Element {
               ) : courseSelectionVisible ? (
                 <CourseSelectionScreen
                   courses={studentCourses}
+                  trialCourse={trialCourse}
                   selectedCourseId={selectedCourseId}
                   hasSelectedCourse={Boolean(selectedCourse)}
                   onSelectCourse={selectStudentCourse}
+                  onSearchCourses={searchStudentCourseCatalog}
+                  onEnrollCourse={enrollStudentInCourse}
                   onBack={() => setCourseSelectionVisible(false)}
                 />
               ) : (

src/renderer/src/components/TitleBar.tsx

@@ -88,6 +88,38 @@ const LMS_AUTH_SESSION_STORAGE_KEY = 'autonomy-studio.lms.auth-session'
 const NOTIFICATION_DROPDOWN_LIMIT = 10
 const NOTIFICATION_MODAL_PAGE_SIZE = 8
 const NOTIFICATION_REFRESH_INTERVAL_MS = 60_000
+const APP_LOG_TIMESTAMP_FORMATTER = new Intl.DateTimeFormat('en-CA', {
+  timeZone: 'Asia/Seoul',
+  year: 'numeric',
+  month: '2-digit',
+  day: '2-digit',
+  hour: '2-digit',
+  minute: '2-digit',
+  second: '2-digit',
+  hourCycle: 'h23'
+})
+
+const formatAppLogTimestamp = (timestamp: string): string | null => {
+  const date = new Date(timestamp)
+  if (Number.isNaN(date.getTime())) return null
+
+  const parts = Object.fromEntries(
+    APP_LOG_TIMESTAMP_FORMATTER
+      .formatToParts(date)
+      .filter(({ type }) => type !== 'literal')
+      .map(({ type, value }) => [type, value])
+  )
+
+  return `${parts.year}-${parts.month}-${parts.day} ${parts.hour}:${parts.minute}:${parts.second} KST`
+}
+
+const formatAppLogContentForDisplay = (content: string): string => content.replace(
+  /^\[([^\]]+)]/gm,
+  (matched, timestamp: string) => {
+    const formatted = formatAppLogTimestamp(timestamp)
+    return formatted ? `[${formatted}]` : matched
+  }
+)
 
 const normalizeNotification = (notification: NotificationMessage): NotificationMessage => ({
   ...notification,
@@ -128,6 +160,7 @@ export default function TitleBar({ user, accessToken = '', onHelpClick, onOpenCo
       ...notifications
     ]
   }, [localNotifications, notifications])
+  const appLogDisplayContent = useMemo(() => formatAppLogContentForDisplay(appLogContent), [appLogContent])
   const unreadCount = sortedNotifications.filter((notification) => !notification.read).length
   const hasUnreadNotifications = unreadCount > 0
   const dropdownNotifications = sortedNotifications.slice(0, NOTIFICATION_DROPDOWN_LIMIT)
@@ -174,13 +207,13 @@ export default function TitleBar({ user, accessToken = '', onHelpClick, onOpenCo
   }, [])
   const handleCopyAppLogs = useCallback((): void => {
     if (!appLogContent) return
-    void navigator.clipboard.writeText(appLogContent)
+    void navigator.clipboard.writeText(appLogDisplayContent)
       .then(() => {
         setAppLogsCopied(true)
         window.setTimeout(() => setAppLogsCopied(false), 1600)
       })
       .catch((error) => console.error('[app-logs] copy failed', error))
-  }, [appLogContent])
+  }, [appLogContent, appLogDisplayContent])
   const enqueueTransientNotice = useCallback((notice: { id: number; title: string; tone?: 'info' | 'warning' | 'error' }): void => {
     const title = notice.title.trim()
     if (!title) return
@@ -970,7 +1003,7 @@ export default function TitleBar({ user, accessToken = '', onHelpClick, onOpenCo
                 <div className="flex h-full items-center justify-center text-[13px] font-medium text-white/48">로그를 불러오는 중입니다.</div>
               ) : appLogContent ? (
                 <pre className="h-full overflow-auto whitespace-pre-wrap break-words rounded-md border border-white/[0.07] bg-black/20 p-3 font-mono text-[11px] leading-5 text-white/70">
-                  {appLogContent}
+                  {appLogDisplayContent}
                 </pre>
               ) : (
                 <div className="flex h-full items-center justify-center rounded-md border border-dashed border-white/10 text-[13px] font-medium text-white/42">

src/renderer/src/features/curriculum/CourseSelectionScreen.tsx

@@ -1,6 +1,9 @@
-import { CheckCircle2 } from 'lucide-react'
+import { CheckCircle2, LoaderCircle, Search, Sparkles, UserPlus } from 'lucide-react'
+import { useEffect, useState } from 'react'
 import type React from 'react'
 
+import type { CourseCatalogOption } from './curriculumApi'
+
 type CourseOption = {
   id: string
   title: string
@@ -15,26 +18,95 @@ type CourseOption = {
 
 type CourseSelectionScreenProps = {
   courses: CourseOption[]
+  trialCourse?: CourseOption | null
   selectedCourseId: string | null
   hasSelectedCourse: boolean
   onSelectCourse: (courseId: string) => void
+  onSearchCourses: (query: string) => Promise<CourseCatalogOption[]>
+  onEnrollCourse: (courseId: string) => Promise<void>
   onBack: () => void
 }
 
+function teacherLabel(course: Pick<CourseOption, 'teacher' | 'organizationName'>): string {
+  return `${course.teacher?.name ?? course.teacher?.email ?? '강사 미지정'} / ${course.teacher?.primaryOrganizationName ?? course.organizationName ?? '소속 미지정'}`
+}
+
 export default function CourseSelectionScreen({
   courses,
+  trialCourse,
   selectedCourseId,
   hasSelectedCourse,
   onSelectCourse,
-  onBack
+  onSearchCourses,
+  onEnrollCourse,
+  onBack,
 }: CourseSelectionScreenProps): React.JSX.Element {
+  const [query, setQuery] = useState('')
+  const [searchResults, setSearchResults] = useState<CourseCatalogOption[]>([])
+  const [searching, setSearching] = useState(false)
+  const [searchError, setSearchError] = useState('')
+  const [selectedCatalogCourseId, setSelectedCatalogCourseId] = useState<string | null>(null)
+  const [enrolling, setEnrolling] = useState(false)
+
+  useEffect(() => {
+    const keyword = query.trim()
+    if (!keyword) {
+      setSearchResults([])
+      setSelectedCatalogCourseId(null)
+      setSearchError('')
+      setSearching(false)
+      return
+    }
+
+    let cancelled = false
+    const timer = window.setTimeout(() => {
+      setSearching(true)
+      setSearchError('')
+      void onSearchCourses(keyword)
+        .then((nextResults) => {
+          if (cancelled) return
+          setSearchResults(nextResults)
+          setSelectedCatalogCourseId((current) => nextResults.some((course) => course.id === current) ? current : null)
+        })
+        .catch((error: unknown) => {
+          if (cancelled) return
+          setSearchResults([])
+          setSelectedCatalogCourseId(null)
+          setSearchError(error instanceof Error ? error.message : '강좌 검색에 실패했습니다.')
+        })
+        .finally(() => {
+          if (!cancelled) setSearching(false)
+        })
+    }, 250)
+
+    return () => {
+      cancelled = true
+      window.clearTimeout(timer)
+    }
+  }, [onSearchCourses, query])
+
+  const selectedCatalogCourse = searchResults.find((course) => course.id === selectedCatalogCourseId) ?? null
+  const submitEnrollment = async (): Promise<void> => {
+    if (!selectedCatalogCourse || enrolling) return
+    setEnrolling(true)
+    setSearchError('')
+    try {
+      await onEnrollCourse(selectedCatalogCourse.id)
+      onSelectCourse(selectedCatalogCourse.id)
+    } catch (error) {
+      setSearchError(error instanceof Error ? error.message : '수강 신청에 실패했습니다.')
+    } finally {
+      setEnrolling(false)
+    }
+  }
+
   return (
     <section className="mx-auto grid min-h-[calc(100vh-120px)] max-w-[900px] place-items-center px-4">
       <div className="w-full rounded-xl border border-[#d5dbea] bg-white p-6 shadow-[0_18px_42px_rgba(20,27,44,0.12)]">
         <div className="flex items-start justify-between gap-4">
           <div className="min-w-0">
             <h1 className="text-[24px] font-black text-[#111520]">강좌 선택</h1>
-            <p className="mt-2 text-[13px] font-semibold text-[#64748b]">학습을 진행할 수강중인 강좌를 선택해주세요.</p>
+            <p className="mt-2 text-[13px] font-semibold text-[#64748b]">수강 중인 강좌를 선택하거나 새 강좌를 검색해 수강 신청하세요.</p>
           </div>
           {hasSelectedCourse ? (
             <button
@@ -46,7 +118,80 @@ export default function CourseSelectionScreen({
             </button>
           ) : null}
         </div>
-        <div className="mt-5 grid gap-3">
+
+        <div className="mt-5">
+          <label className="relative block">
+            <Search size={18} className="pointer-events-none absolute left-4 top-1/2 -translate-y-1/2 text-[#738096]" />
+            <input
+              value={query}
+              onChange={(event) => setQuery(event.target.value)}
+              placeholder="강좌명 또는 강사명 검색"
+              className="h-12 w-full rounded-lg border border-[#cfd8e6] bg-[#fbfcff] pl-11 pr-4 text-[14px] font-semibold text-[#172033] outline-none transition focus:border-[#6f4df6] focus:bg-white focus:ring-2 focus:ring-[#6f4df6]/15"
+            />
+          </label>
+
+          {query.trim() ? (
+            <div className="mt-3">
+              {searching ? (
+                <div className="flex items-center justify-center gap-2 rounded-lg border border-dashed border-[#dce3ee] px-5 py-8 text-[13px] font-bold text-[#64748b]">
+                  <LoaderCircle size={17} className="animate-spin" /> 검색 중입니다.
+                </div>
+              ) : searchResults.length ? (
+                <div className="grid gap-2">
+                  {searchResults.map((course) => {
+                    const selected = course.id === selectedCatalogCourseId
+                    return (
+                      <button
+                        key={course.id}
+                        type="button"
+                        disabled={course.enrolled || enrolling}
+                        onClick={() => setSelectedCatalogCourseId(course.id)}
+                        className={[
+                          'rounded-lg border p-3.5 text-left transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#6f4df6]/35',
+                          course.enrolled
+                            ? 'cursor-default border-[#dce3ee] bg-[#f8fafc] opacity-70'
+                            : selected
+                              ? 'cursor-pointer border-[#6f4df6] bg-[#f7f5ff] shadow-[0_8px_18px_rgba(111,77,246,0.10)]'
+                              : 'cursor-pointer border-[#dce3ee] bg-white hover:border-[#6f4df6] hover:bg-[#fbfaff]',
+                        ].join(' ')}
+                      >
+                        <div className="flex items-start justify-between gap-3">
+                          <div className="min-w-0">
+                            <h2 className="truncate text-[15px] font-black text-[#111520]">{course.title}</h2>
+                            <p className="mt-1 truncate text-[12px] font-bold text-[#64748b]">{teacherLabel(course)}</p>
+                          </div>
+                          {course.enrolled ? (
+                            <span className="shrink-0 rounded-md bg-[#edf7f2] px-2 py-1 text-[11px] font-black text-[#16845b]">수강 중</span>
+                          ) : selected ? <CheckCircle2 size={18} className="shrink-0 text-[#6f4df6]" /> : null}
+                        </div>
+                      </button>
+                    )
+                  })}
+                </div>
+              ) : (
+                <div className="rounded-lg border border-dashed border-[#dce3ee] px-5 py-8 text-center text-[13px] font-bold text-[#64748b]">검색 결과가 없습니다.</div>
+              )}
+              {searchError ? <p className="mt-2 text-[12px] font-bold text-[#d74d54]">{searchError}</p> : null}
+              {selectedCatalogCourse ? (
+                <div className="mt-3 flex justify-end">
+                  <button
+                    type="button"
+                    onClick={() => void submitEnrollment()}
+                    disabled={enrolling}
+                    className="inline-flex h-10 items-center gap-2 rounded-md bg-[#6f4df6] px-4 text-[13px] font-black text-white transition hover:bg-[#5f42d7] disabled:cursor-wait disabled:opacity-60"
+                  >
+                    {enrolling ? <LoaderCircle size={16} className="animate-spin" /> : <UserPlus size={16} />}
+                    수강 신청
+                  </button>
+                </div>
+              ) : null}
+            </div>
+          ) : null}
+        </div>
+
+        <div className="mt-6 border-t border-[#edf0f5] pt-5">
+          <p className="text-[12px] font-black text-[#64748b]">수강 중인 강좌</p>
+          <div className="mt-3 grid gap-3">
             {courses.length ? courses.map((course) => {
               const selected = course.id === selectedCourseId
               return (
@@ -57,7 +202,7 @@ export default function CourseSelectionScreen({
                     'cursor-pointer rounded-lg border p-4 text-left transition-[border-color,background-color,box-shadow] duration-150 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#6f4df6]/35',
                     selected
                       ? 'border-[#6f4df6] bg-[#f7f5ff] shadow-[0_8px_18px_rgba(111,77,246,0.10)] hover:border-[#5f42d7] hover:bg-[#f2efff] hover:shadow-[0_12px_28px_rgba(111,77,246,0.18)]'
-                    : 'border-[#dce3ee] bg-[#fbfcff] hover:border-[#6f4df6] hover:bg-white hover:shadow-[0_12px_26px_rgba(111,77,246,0.16)]'
+                      : 'border-[#dce3ee] bg-[#fbfcff] hover:border-[#6f4df6] hover:bg-white hover:shadow-[0_12px_26px_rgba(111,77,246,0.16)]',
                   ].join(' ')}
                   onClick={() => onSelectCourse(course.id)}
                 >
@@ -67,21 +212,48 @@ export default function CourseSelectionScreen({
                         <span className="min-w-0 truncate">{course.title}</span>
                         {selected ? <CheckCircle2 size={16} className="shrink-0 text-[#6f4df6]" /> : null}
                       </h2>
-                    <p className="mt-1 truncate text-[12px] font-bold text-[#64748b]">
+                      <p className="mt-1 truncate text-[12px] font-bold text-[#64748b]">{teacherLabel(course)}</p>
-                      {course.teacher?.name ?? course.teacher?.email ?? '강사 미지정'} / {course.teacher?.primaryOrganizationName ?? course.organizationName}
-                    </p>
-                  </div>
-                  <div className="flex shrink-0 items-center gap-2">
-                    <span className="rounded-md bg-[#f0efff] px-2.5 py-1 text-[11px] font-black text-[#6f4df6]">{course.progress ?? 0}%</span>
                     </div>
+                    <span className="shrink-0 rounded-md bg-[#f0efff] px-2.5 py-1 text-[11px] font-black text-[#6f4df6]">{course.progress ?? 0}%</span>
                   </div>
                 </button>
               )
             }) : (
-            <div className="rounded-lg border border-dashed border-[#dce3ee] px-5 py-12 text-center text-[13px] font-bold text-[#64748b]">수강 중인 강좌가 없습니다.</div>
+              <div className="rounded-lg border border-dashed border-[#dce3ee] px-5 py-10 text-center text-[13px] font-bold text-[#64748b]">수강 중인 강좌가 없습니다. 위에서 강좌를 검색해 신청하세요.</div>
             )}
           </div>
         </div>
+
+        {trialCourse ? (
+          <div className="mt-6 border-t border-[#edf0f5] pt-5">
+            <p className="text-[12px] font-black text-[#64748b]">둘러보기</p>
+            <button
+              type="button"
+              onClick={() => onSelectCourse(trialCourse.id)}
+              className={[
+                'mt-3 w-full cursor-pointer rounded-lg border p-4 text-left transition-[border-color,background-color,box-shadow] duration-150 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#6f4df6]/35',
+                selectedCourseId === trialCourse.id
+                  ? 'border-[#6f4df6] bg-[#f7f5ff] shadow-[0_8px_18px_rgba(111,77,246,0.10)]'
+                  : 'border-[#dce3ee] bg-[#fbfcff] hover:border-[#6f4df6] hover:bg-white hover:shadow-[0_12px_26px_rgba(111,77,246,0.16)]',
+              ].join(' ')}
+            >
+              <div className="flex items-start justify-between gap-3">
+                <div className="min-w-0">
+                  <h2 className="flex min-w-0 items-center gap-1.5 text-[16px] font-black text-[#111520]">
+                    <span className="min-w-0 truncate">{trialCourse.title}</span>
+                    {selectedCourseId === trialCourse.id ? <CheckCircle2 size={16} className="shrink-0 text-[#6f4df6]" /> : null}
+                  </h2>
+                  <p className="mt-1 truncate text-[12px] font-bold text-[#64748b]">{trialCourse.teacher?.primaryOrganizationName ?? trialCourse.organizationName ?? 'Autonomy Studio'}</p>
+                </div>
+                <span className="inline-flex shrink-0 items-center gap-1 rounded-full border border-[#ded4ff] bg-[#f4f0ff] px-2.5 py-1 text-[11px] font-black text-[#6944d8]">
+                  <Sparkles size={12} strokeWidth={2.5} />
+                  체험
+                </span>
+              </div>
+            </button>
+          </div>
+        ) : null}
+      </div>
     </section>
   )
 }

src/renderer/src/features/curriculum/curriculumApi.ts

@@ -3,10 +3,56 @@ import type { CurriculumResponse, DownloadResource, StudentCourseOption } from '
 
 type AuthFetch = (input: RequestInfo | URL, init?: RequestInit, options?: { invalidateOnRefreshFailure?: boolean }) => Promise<Response>
 
-export async function fetchStudentCourses(fetchWithFreshAuth: AuthFetch): Promise<StudentCourseOption[]> {
+export type CourseCatalogOption = {
+  id: string
+  title: string
+  subtitle?: string | null
+  organizationName?: string | null
+  enrolled: boolean
+  teacher?: {
+    email?: string | null
+    name?: string | null
+    primaryOrganizationName?: string | null
+  } | null
+}
+
+export type StudentCourseList = {
+  courses: StudentCourseOption[]
+  guideCourse: StudentCourseOption | null
+}
+
+export async function fetchStudentCourses(fetchWithFreshAuth: AuthFetch): Promise<StudentCourseList> {
   const response = await fetchWithFreshAuth(`${LMS_API_BASE_URL}/curriculum/courses`)
-  const payload = response.ok ? await response.json() as { courses?: StudentCourseOption[] } : null
+  const payload = response.ok ? await response.json() as Partial<StudentCourseList> : null
-  return payload?.courses ?? []
+  return {
+    courses: payload?.courses ?? [],
+    guideCourse: payload?.guideCourse ?? null,
+  }
+}
+
+async function responseMessage(response: Response, fallback: string): Promise<string> {
+  const payload = await response.json().catch(() => null) as { message?: string | string[] } | null
+  if (Array.isArray(payload?.message)) return payload.message.join(' ')
+  return payload?.message || fallback
+}
+
+export async function searchCourseCatalog(
+  fetchWithFreshAuth: AuthFetch,
+  query: string,
+): Promise<CourseCatalogOption[]> {
+  const params = new URLSearchParams()
+  if (query.trim()) params.set('query', query.trim())
+  const response = await fetchWithFreshAuth(`${LMS_API_BASE_URL}/curriculum/course-catalog?${params.toString()}`)
+  if (!response.ok) throw new Error(await responseMessage(response, '강좌 검색에 실패했습니다.'))
+  const payload = await response.json() as { courses?: CourseCatalogOption[] }
+  return payload.courses ?? []
+}
+
+export async function enrollInCourse(fetchWithFreshAuth: AuthFetch, courseId: string): Promise<void> {
+  const response = await fetchWithFreshAuth(`${LMS_API_BASE_URL}/curriculum/course-catalog/${encodeURIComponent(courseId)}/enroll`, {
+    method: 'POST',
+  })
+  if (!response.ok) throw new Error(await responseMessage(response, '수강 신청에 실패했습니다.'))
 }
 
 export async function fetchCurriculum(fetchWithFreshAuth: AuthFetch, courseId: string): Promise<CurriculumResponse | null> {

src/renderer/src/features/workspace/WorkspaceQaPanel.tsx

@@ -25,6 +25,7 @@ type WorkspaceQaPanelProps = {
   iconButtonClass: string
   accessToken: string
   qaMode: QaMode
+  teacherQaDisabled?: boolean
   teacherChatFlash: boolean
   qaMessagesLoading: boolean
   visibleAiMessages: WorkspaceQaMessage[]
@@ -53,6 +54,7 @@ export default function WorkspaceQaPanel({
   iconButtonClass,
   accessToken,
   qaMode,
+  teacherQaDisabled = false,
   teacherChatFlash,
   qaMessagesLoading,
   visibleAiMessages,
@@ -73,6 +75,10 @@ export default function WorkspaceQaPanel({
   const activeMessages = qaMode === 'ai' ? visibleAiMessages : visibleTeacherMessages
   const lastMessage = activeMessages[activeMessages.length - 1]
 
+  useEffect(() => {
+    if (teacherQaDisabled && qaMode === 'teacher') onModeChange('ai')
+  }, [onModeChange, qaMode, teacherQaDisabled])
+
   useEffect(() => {
     if (!contextMenu) return
     const closeContextMenu = (): void => setContextMenu(null)
@@ -161,16 +167,24 @@ export default function WorkspaceQaPanel({
             { id: 'ai' as const, label: 'AI', Icon: Bot },
             { id: 'teacher' as const, label: '강사', Icon: User }
           ].map(({ id, label, Icon }) => {
+            const disabled = id === 'teacher' && teacherQaDisabled
             const teacherTabFlash = id === 'teacher' && teacherChatFlash && !minimized && qaMode === 'ai'
 
             return (
               <button
                 key={id}
                 type="button"
-                onClick={() => onModeChange(id)}
+                disabled={disabled}
+                onClick={() => {
+                  if (!disabled) onModeChange(id)
+                }}
                 className={[
-                  'relative flex h-8 cursor-pointer items-center justify-center gap-1.5 text-[12px] font-bold transition',
+                  'relative flex h-8 items-center justify-center gap-1.5 text-[12px] font-bold transition',
-                  teacherTabFlash
+                  disabled
+                    ? dark
+                      ? 'cursor-not-allowed bg-[#202020] text-white/25'
+                      : 'cursor-not-allowed bg-[#f3f5f8] text-[#aab3c1]'
+                    : teacherTabFlash
                     ? dark
                       ? 'animate-pulse bg-[#2563eb]/28 text-[#9ec2ff] shadow-[inset_0_0_0_1px_rgba(96,165,250,0.28)]'
                       : 'animate-pulse bg-[#dbeafe] text-[#1d4ed8] shadow-[inset_0_0_0_1px_rgba(37,99,235,0.18)]'
@@ -234,7 +248,7 @@ export default function WorkspaceQaPanel({
       <QaInputBox
         dark={dark}
         busy={inputBusy}
-        disabled={inputDisabled}
+        disabled={inputDisabled || (teacherQaDisabled && qaMode === 'teacher')}
         onStop={onStop}
         onSubmit={onSubmit}
       />

src/renderer/src/features/workspace/WorkspaceVisualizationPanel.tsx

@@ -163,8 +163,7 @@ export default function WorkspaceVisualizationPanel({
               ) : (
                 <div className="grid h-full place-items-center px-5 text-center">
                   <div>
-                    <p className="text-[13px] font-bold text-white/72">해당 주차는 시각화를 지원하지 않습니다</p>
+                    <p className="text-[13px] font-bold text-white/72">시각화 준비 중입니다.</p>
-                    <p className="mt-2 text-[11px] font-medium text-white/52">강사 커리큘럼의 모듈 관리 탭에서 시각화 플랫폼을 선택해야 합니다.</p>
                   </div>
                 </div>
               )}

src/renderer/src/features/workspace/useWorkspaceVisualization.ts

@@ -5,6 +5,26 @@ import type { VisualizationStack } from './WorkspaceVisualizationPanel'
 
 export type Nav2VisualizationMode = 'slam' | 'navigation'
 
+const DEFAULT_NAV2_VISUALIZATION_PROFILE: EnvironmentProfile = {
+  id: 'default-nav2-visualization',
+  week: 0,
+  platformKey: 'futuredrive-local-pc',
+  profileType: 'NAV2',
+  name: 'NAV2',
+  config: {
+    type: 'NAV2',
+    target: 'local',
+    viewer: { stack: 'nav2' },
+    bridge: {
+      name: 'nav2-ros-bridge',
+      port: 8765,
+      image: 'slam-ros-bridge:latest',
+      buildContext: 'resources/slam-ros-bridge',
+      env: { ROBOT_STACK: 'nav2' }
+    }
+  }
+}
+
 function resolveVisualizationStack(profileType: string): VisualizationStack | null {
   const type = profileType.toLowerCase()
   if (type === 'local' || type === 'platform') return 'nav2'
@@ -106,11 +126,12 @@ export function useWorkspaceVisualization({
 
   const runtimeProfiles = useMemo(() => {
     const candidates = selectRuntimeProfiles(profiles, remoteWorkspace)
-    if (fallbackStack === 'autoware') return candidates
+    if (fallbackStack === 'autoware') return candidates.length ? candidates : [DEFAULT_NAV2_VISUALIZATION_PROFILE]
 
     // A NAV2 curriculum can retain legacy Autoware profiles. Do not let one
     // become the active viewer merely because it appears first in the list.
-    return candidates.filter((profile) => resolveVisualizationStack(profile.profileType) !== 'autoware')
+    const nav2Profiles = candidates.filter((profile) => resolveVisualizationStack(profile.profileType) !== 'autoware')
+    return nav2Profiles.length ? nav2Profiles : [DEFAULT_NAV2_VISUALIZATION_PROFILE]
   }, [fallbackStack, profiles, remoteWorkspace])
   const visualizationStacks = useMemo(() => (
     runtimeProfiles
@@ -219,11 +240,6 @@ export function useWorkspaceVisualization({
 
   const startVisualizationBridge = async (mode = nav2VisualizationMode): Promise<void> => {
     if (visualizationBusy) return
-    if (!activeEnvironmentProfile) {
-      setVisualizationStatusMessage('지원 안함')
-      onTitlebarNotice('해당 주차는 시각화를 지원하지 않습니다', 'warning')
-      return
-    }
     if (mode !== nav2VisualizationMode) setNav2VisualizationMode(mode)
     setVisualizationBusy(true)
     setVisualizationStatusMessage('시작 중')