- Add multi-team trade acceptance system requiring all GMs to approve
- TradeBuilder tracks accepted_teams with accept_trade/reject_trade methods
- TradeAcceptanceView with Accept/Reject buttons validates GM permissions
- Create transactions when all teams accept (frozen=false for immediate effect)
- Add post_trade_to_log() for rich trade embeds in #transaction-log
- Trade embeds show grouped player moves by receiving team with sWAR
- Add 10 comprehensive tests for acceptance tracking methods
- All 36 trade builder tests pass
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
b8b55e90a3