WC2026 group tables (all 12 groups)

All 12 World Cup groups (A through L), each with its 4 teams ordered by within-group rank. Response shape: data.groups keyed by group letter, each value { teams: [{ rank, team_id, name, played, wins, draws, losses, gf, ga, gd, points, advancement_prob, p_top2, p_win_group, expected_points }] }. rank / team_id / name and the advancement fields (Monte Carlo model output, probabilities 0..1) may be null pre-matchday or when unbridged. No parameters. 5-minute Redis cache.