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src/modules/admin/pages/courses/lessons/AddLesson.jsx

@@ -211,7 +211,7 @@ export default function AddLesson() {
   const navigate = useNavigate();
   const { courseId, unitId } = useParams();
   const {
-    createLesson, saveLessonPage, fetchUnit, unit, loading,
+    createLesson, saveLessonPage, fetchUnit, fetchCourse, unit, course, loading,
     syncLessonRequirements,
   } = useCourses();
   const { user } = useAuth();
@@ -232,6 +232,9 @@ export default function AddLesson() {
 
   useEffect(() => {
     fetchUnit(courseId, unitId);
+    if (!course || String(course.course_id) !== String(courseId)) {
+      fetchCourse(courseId);
+    }
   }, [courseId, unitId]);
 
   const handleNext = async () => {
@@ -288,7 +291,11 @@ export default function AddLesson() {
             </Button>
             <div>
               <h1 className="text-xl font-semibold">Create Lesson</h1>
-              <p className="text-sm text-muted-foreground">Add a new lesson to this unit.</p>
+              <p className="text-sm text-muted-foreground">
+                Creates a new lesson in the shared Lessons Library and attaches it to
+                {unit ? ` "${unit.title}"` : " this unit"} — affiliated with
+                {course ? ` "${course.title}"` : " this course"}.
+              </p>
             </div>
           </div>
 

src/modules/admin/pages/courses/lessons/EditLesson.jsx

@@ -34,7 +34,7 @@ function FieldError({ message }) {
 export default function EditLesson() {
   const navigate = useNavigate();
   const { courseId, unitId, lessonId } = useParams();
-  const { fetchLesson, updateLesson, course, unit, loading, fetchLessonRequirements, syncLessonRequirements } = useCourses();
+  const { fetchLesson, updateLesson, fetchCourse, fetchUnit, course, unit, loading, fetchLessonRequirements, syncLessonRequirements } = useCourses();
   const { user } = useAuth();
   const [lessonTitle, setLessonTitle] = useState("");
 
@@ -60,6 +60,10 @@ export default function EditLesson() {
         objectives: lesson.objectives?.map((v) => ({ value: v.text })) ?? [],
       });
     })();
+    fetchUnit(courseId, unitId);
+    if (!course || String(course.course_id) !== String(courseId)) {
+      fetchCourse(courseId);
+    }
   }, [courseId, unitId, lessonId]);
 
   const onSubmit = async (data) => {
@@ -90,7 +94,11 @@ export default function EditLesson() {
             </Button>
             <div>
               <h1 className="text-xl font-semibold">Edit Lesson</h1>
-              <p className="text-sm text-muted-foreground">Update lesson details.</p>
+              <p className="text-sm text-muted-foreground">
+                Lessons live in the shared Library — changes here apply everywhere this
+                lesson is used, not just{unit ? ` "${unit.title}"` : " this unit"}
+                {course ? ` (${course.title})` : ""}.
+              </p>
             </div>
           </div>
 

src/modules/admin/pages/courses/lessons/LessonsList.jsx

@@ -70,6 +70,9 @@ export default function LessonsList() {
               {unit?.description && (
                 <p className="text-sm text-muted-foreground mt-0.5">{unit.description}</p>
               )}
+              <p className="text-xs text-muted-foreground mt-1.5">
+                Affiliated with course: <span className="font-medium text-foreground">{course?.title ?? "—"}</span>
+              </p>
             </div>
 
             {/* Stats row */}

src/modules/admin/pages/courses/units/EditUnit.jsx

@@ -30,7 +30,7 @@ function FieldError({ message }) {
 export default function EditUnit() {
   const [unitTitle, setUnitTitle] = useState("");
   const { courseId, unitId } = useParams();
-  const { fetchUnit, updateUnit, course, loading, fetchUnitRequirements, syncUnitRequirements } = useCourses();
+  const { fetchUnit, updateUnit, fetchCourse, course, loading, fetchUnitRequirements, syncUnitRequirements } = useCourses();
   const { user } = useAuth();
   const navigate = useNavigate();
 
@@ -51,6 +51,9 @@ export default function EditUnit() {
       });
       setUnitTitle(unit.title ?? "");
     })();
+    if (!course || String(course.course_id) !== String(courseId)) {
+      fetchCourse(courseId);
+    }
   }, [courseId, unitId]);
 
 
@@ -76,7 +79,10 @@ export default function EditUnit() {
             </Button>
             <div>
               <h1 className="text-xl font-semibold">Edit Unit</h1>
-              <p className="text-sm text-muted-foreground">Update unit details.</p>
+              <p className="text-sm text-muted-foreground">
+                Units live in the shared Library — changes here apply everywhere this unit
+                is used{course ? `, not just "${course.title}"` : ""}.
+              </p>
             </div>
           </div>