feat: add student academic milestone timeline with interactive progre…

[KolaSailaja]

Related Issue

Closes #749

Description

This pull request introduces a Student Academic Milestone Timeline with an Interactive Progress Tracker, providing students with a centralized chronological view of their academic journey.

Instead of navigating across multiple modules, students can now view important academic events from different sections of the system in a single timeline.

Features Implemented

Backend

• Added milestone aggregation service.
• Created milestone controller.
• Added milestone API routes.
• Aggregates milestone data from existing modules.
• Returns milestones in chronological order.
• Supports filtering by category and status.
• Includes pagination support.
• Reuses existing authentication and authorization middleware.
• Added backend tests for milestone functionality.

Frontend

• Added Academic Timeline page.
• Built reusable timeline components.
• Added category and status filters.
• Implemented loading, empty, and error states.
• Responsive design for desktop, tablet, and mobile.
• Navigation from timeline cards to corresponding modules.

Benefits

• Provides a unified academic timeline.
• Improves student experience by reducing navigation across multiple modules.
• Makes upcoming and completed milestones easier to track.
• Keeps existing functionality unaffected.

Testing

• Verified milestone aggregation.
• Verified chronological sorting.
• Tested filtering and pagination.
• Tested navigation links.
• Confirmed responsive behavior across different screen sizes.
• Ensured no regression in existing features.

Checklist

• Production-ready implementation
• Responsive UI
• Backend API implemented
• Reusable components
• Proper error handling
• Loading and empty states
• No breaking changes
• Follows existing project architecture
• Ready for review

[vercel]

@KolaSailaja is attempting to deploy a commit to the imanchalsingh Team on Vercel.

A member of the Team first needs to authorize it.