add commits..

src/lib/courses.ts

@@ -24,3 +24,20 @@ export async function listInstructorCourses(accessToken: string): Promise<{ cour
   if (!response.ok) throw new Error(`강좌 목록을 불러오지 못했습니다. (${response.status})`);
   return response.json() as Promise<{ courses: InstructorCourse[] }>;
 }
+
+export async function createInitialInstructorCourse(accessToken: string, title: string): Promise<{ course: InstructorCourse }> {
+  const response = await fetch(`${LMS_API_BASE_URL}/instructor/courses/initial`, {
+    method: 'POST',
+    headers: {
+      Authorization: `Bearer ${accessToken}`,
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({ title }),
+  });
+
+  if (!response.ok) {
+    const payload = await response.json().catch(() => null) as { message?: string } | null;
+    throw new Error(payload?.message || `강좌를 생성하지 못했습니다. (${response.status})`);
+  }
+  return response.json() as Promise<{ course: InstructorCourse }>;
+}