Now I can see the pattern. The files use different grouping strategies:

• student-table.tsx groups by customerId only
• at-risk-students-table.tsx groups by orderId
• completed-students-table.tsx groups by customerId only
• student-progress-stats.tsx uses both customerId and orderId inconsistently

I need to update all files to use a combination of customerId + orderId as the unique student identifier. Let me also read the other files that need to be updated:

Now I understand the full picture. I need to update all files to use customerId + orderId as the unique student identifier. Let me make these changes:

Now update the student-course-details.tsx to filter by both customerId and orderId:

I've updated all 6 files to use a unique combination of Customer ID (Column B) + Order ID (Column C) as the student identifier throughout the app. The grouping logic now creates a composite key like ${customerId}-${orderId} and each student object now includes both customerId and orderId properties for use in filtering and lookups, particularly in the course details dialog.

Now I understand the structure of all three tables. I'll add a CSV export function and an export button to each table. Let me add the export functionality:

Now let me add the same functionality to at-risk-students-table:

Now let me add the same functionality to completed-students-table:

I've added CSV export functionality to all three data tables. Each table now has an "Export CSV" button in the card header that exports the currently filtered data (respecting any search or filter criteria applied). The exports include all relevant columns for each table type:

• Student Records: Customer/Order IDs, name, contact info, course stats, completion rate, status, enrollment date, and activity info
• Students At-Risk: Customer/Order IDs, name, contact info, course stats, at-risk courses, last active date, days since activity, and the most inactive course
• Completed Students: Customer/Order IDs, name, contact info, courses completed, completion rate, average score, completion time, and last completion date