Trade validation now automatically fetches the current week from
league_service and validates against next week's projected roster
(including pending transactions), matching /dropadd behavior.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Roster-level errors, warnings, and suggestions now display as
"[BSG] Too many ML players" so users know which team each issue
applies to.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>