New Features

• Added mock auth for development and testing, including mock JWT utilities and a test provider.

UI

• Tightened button sizing and spacing across the dashboard, scheduler, tasks, and friends views.
• Added a DEV MODE badge for mocked auth.

Bug Fixes / UX

• Replaced alerts with toasts.
• Improved storage access with safer fallbacks and retry messaging.

Documentation

• Added a new testing guide for auth-related components.

Tests

• Added new and updated unit and integration tests, plus supporting test helpers.

Chores

• Included dependency, build, lint, and CI/workflow updates, along with version and script bumps.