Implement 404 status code to retrieveCourse#1659

Merged

david-yz-liu merged 4 commits intoCourseography:masterfrom

a1-su:retrieve-course-not-found-status-code

Feb 13, 2026

Commits on Jan 30, 2026

Add not found status code to retrieveCourse and remove unused variable
a1-su
committed

Commits on Feb 4, 2026

Merge branch 'master' into retrieve-course-not-found-status-code
a1-su
committed

Commits on Feb 11, 2026

Merge branch 'master' into retrieve-course-not-found-status-code
a1-su
committed

Commits on Feb 12, 2026

Refactor and add tests for 404 on front-end
a1-su
committed