Consolidate shared helpers (format_rating, format_swar, tier_style,
format_relative_time) into widgets/mod.rs and screens/mod.rs. Replace
heap allocations with stack arrays and HashSets, parallelize DB queries
with tokio::try_join, wrap schema init in transactions, use OnceLock for
invariant hashes, and fix clippy warnings. Auto-sync on dashboard mount
when last sync >24h ago. All 105 tests pass.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add league standings with Division and Wild Card tabs, fetched from API
with SQLite cache for instant display on screen open. Document 11 new
future features in project plan and add cargo check post-edit hook.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
