Generate canonical games with team/stadium links for 5760 games across
NBA, MLB, NHL, NFL, and MLS.
Added missing team aliases:
- NFL WSH -> team_nfl_was (Washington Commanders)
- MLS NY -> team_mls_nyrb (NY Red Bulls)
- MLS ATX -> team_mls_aus (Austin FC)
Remaining 8 warnings are expected NFL playoff placeholders (TBD/AFC/NFC).
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>