Wire up the full data pipeline for the Rust TUI rewrite:
- SQL schema creation for all 9 tables with correct types, FKs, and constraints
- 20 async query functions (teams, players, cards, lineups, sync status, cache)
- Config loading via figment integrated into main.rs startup flow
- App struct now holds SqlitePool and Settings for screen access
- Roster aggregate query and Lineup JSON helper methods
- Added csv, sha2, regex crates for upcoming phases
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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