Sicherhaven d6d8ac6dbf feat: implement leaderboard and achievements tabs in contribute screen ...

- Add Leaderboard tab with top 3 podium, time/district filters, and ranking table
- Add Achievements tab with badge grid (locked/unlocked with progress bars)
- Implement AnimatedSwitcher for smooth tab content transitions
- Add demo data for leaderboard users and achievement badges
- Responsive layout for mobile and desktop views

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

2026-03-14 13:57:34 +05:30

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core

feat: update login, event detail, theme, and API client

2026-03-14 08:57:25 +05:30

features

update

2026-03-11 20:30:06 +05:30

screens

feat: implement leaderboard and achievements tabs in contribute screen

2026-03-14 13:57:34 +05:30

main.dart

feat: update login, event detail, theme, and API client

2026-03-14 08:57:25 +05:30