Contract 3.15.0

The record reaches the wire (docs/reviews/2026-09-19-INTERFACE-REVIEW.md Part 1.3, Phase 2): every collected column an agent would ask about is served on the tool that owns the question, no migration. battles_query rows carry mode_group (the contract's fold of type) and, at full verbosity, context {event_tag, tournament_tag, ladder_tournament, hosted, deck_selection} and on a boatBattle row boat {side, towers_before, towers_after, remaining}; compact carries deck_selection at the top level. war_history with season_id and section_index carries days[] (the race's own day-by-day from the API's periodLogs: per closed war day every clan's points_earned, progress_start, progress_end, progress_earned, end_of_day_rank, defenses_remaining, progress_from_defenses) and standings[] (every clan in the bracket with clan_score and repair_points); weeks[] carry closed_at (the API's own close instant) beside finished, plus our_clan_score and our_repair_points; member_weeks[] carry repair_points. war_current carries days_closed[] in the same shape (full verbosity), clan_score and repair_points on standings[], repair_points per participant, and period.api_period_type (the API's own word for the day). war_rivals rows carry clan_score, latest observed. players_profile.snapshot.path_of_legend.seasons[] lists the last twelve season finals the record kept ({season_month, league, trophies, rank}, newest first); players_profile.attributes and clans_roster.lifetime carry war_day_wins, clan_cards_collected and legacy_trophy_road_high_score. clans_roster carries the clan's type, location_id and description at both verbosities; clans_timeline's metrics enum gains type and location_id (asked for, never default). Additive.