Adding a Course (Data Flow)

Main functions

• addCourse - Primary function for adding courses to schedules
• addCourseByURL - Adding courses via direct URLs

User Interaction Points

• TableRow - Adds action buttons to each course row
• CourseCatalogInjectedPopup - Detailed course modal with add functionality
• HeadingAndActions - Contains the actual "Add" button

After addCourse is called, the course is appended to the active schedule's course array. Schedule's updatedAt timestamp is refreshed and schedules array is persisted to Chrome storage. Storage change triggers automatic synchronization across extension contexts through

await UserScheduleStore.set('schedules', schedules);```