404 page for the Lesson Page route. Reached when findLessonForView
resolves with course-not-found. Renders the localized "course not
found" message with a locale-aware "Go home" link, matching the spec
scenario for an unknown course.
Spec: lesson-page § Requirement: "The page handles domain errors with
a user-facing error state" → Scenario: "An unknown course renders an
error state".
404 page for the Lesson Page route. Reached when
findLessonForViewresolves withcourse-not-found. Renders the localized "course not found" message with a locale-aware "Go home" link, matching the spec scenario for an unknown course.Spec: lesson-page § Requirement: "The page handles domain errors with a user-facing error state" → Scenario: "An unknown course renders an error state".