- Spectators are removed from games when they disconnect; the lookup
iterated an iterator with for...in and never found anything
- Finished and left games are removed from memory, not only from the
player mappings
- The connection info is sent once when a game starts
- PlayerSummary, MoveRecord, live and finished game summaries, GameRecord,
timeout constants, startedAt/moveTimes on Game and offlineSince on
UserConnectionInfo
- Channels for live game previews and for rejecting a new game while one
is in progress
- getInitialBoard, getBoardAfterMove, describeMove and createGameAtMove,
with tests against games played with the engine
- English and Turkish strings for the new screens
- postgres replaces keycloak-db and holds a keycloak and a mancala database,
each with its own user, created by apps/postgres/init
- valkey with an append-only file for live game state and caches
- backend gets DATABASE_URL and VALKEY_URL
