Feature: View events in a calendar

Summary

Calendar view of events (month/week/day).

User story

As a user, I want a calendar view so I can visualize upcoming events.

Scope

• Use react-big-calendar (or similar) with localizer.

Tasks

• Calendar page + routing.
• Transform events → calendar events (title, start/end).
• Basic styling; responsive layout.
• Vitest rendering test (at least shows event titles).

Acceptance criteria

• Calendar displays events on correct dates.
• Empty state handled.

Dependencies

• Depends on: “Create, update, delete, and list events”.