Phase 2 mobile calendar redesign: add week/day views

[andorcassian]

Summary

Implements Phase 2 of the mobile calendar redesign from mobile-design/MOBILE-DESIGN-SPEC.md for omnia-digital/livewire-calendar.

This PR adds mobile-focused Week and Day view adaptations on top of the existing month view architecture, while preserving desktop month behavior and existing extension points.

What changed

• Added new view mode support in LivewireCalendar:
  • month / week / day via $viewMode
  • New methods: setViewMode(), goToPreviousWeek(), goToNextWeek(), goToPreviousDay(), goToNextDay(), goToToday(), selectDate()
• Added mobile header controls in calendar.blade.php with:
  • Compact sticky navigation
  • Mode switcher (Month / Week / Day)
  • Swipe navigation support (month/week/day aware)
• Split month rendering into dedicated template:
  • New resources/views/month.blade.php
• Added new week view template:
  • New resources/views/week.blade.php
  • Mobile: horizontally scrollable day chips + selected day event list
  • Desktop/tablet: time-grid style week rendering
• Added new day view template:
  • New resources/views/day-detail.blade.php
  • Mobile: all-day section + timeline/event list
  • Desktop/tablet: hour-slot timeline
• Added hour-slot event helper in component:
  • getEventsForHour()
• Updated tests for Phase 2 behavior:
  • View mode defaults/switching
  • Week/day navigation
• Updated README method documentation for new week/day APIs

Design Spec Reference

• mobile-design/MOBILE-DESIGN-SPEC.md (Phase 2: Week View + Day View mobile adaptations)

Issue Reference

• Closes Feature Request: Mobile View improvement #46

Screenshots

Mobile (375px)

• Before:
• After:

Desktop (1280px)

• Before:
• After:

Validation

• composer test
  • 19 tests passing

[ocarmora]

Somebody knows what is missing to merge this?