Problem Description
As a student, I want to see other users in my cohort in a sidebar list.
Required Changes
- Fetch and display cohort members. Name + avatar/initials.
- Clicking a user can navigate to their profile (if route exists) or be non-interactive for now.
Goal
Provide quick visibility of classmates.
Acceptance Criteria
- Sidebar shows all users in logged-in user’s cohort.
- When fetching cohort members fails, show error message: “Cohort members could not be loaded. Please try again.”
Dependencies
Backend: endpoint to get cohort members for current user.