Add chess premoves and time control metadata

- pass chess room time control to the client
- add premove handling and richer chess board UI
- update join result typing for room options

api/src/games/GameServer.ts

@@ -244,7 +244,12 @@ export class GameServer {
                 this.replacedConnections.delete(discordId);
 
                 // Build room options for the client
-                const roomOptions = room?.betAmount ? { betAmount: room.betAmount } : undefined;
+                const roomOptions = room
+                    ? {
+                        ...(room.betAmount > 0 ? { betAmount: room.betAmount } : {}),
+                        ...(typeof room.options?.timeControl === "string" ? { timeControl: room.options.timeControl } : {}),
+                    }
+                    : undefined;
 
                 // Respond with JOIN_RESULT
                 ws.send(JSON.stringify({

api/src/games/types.ts

@@ -58,7 +58,7 @@ export type GameWsServerMessage =
     | { type: "GAME_STARTED"; roomId: string; state: unknown }
     | { type: "GAME_ENDED"; roomId: string; winner: string | null; reason: string; payout?: { amount: number; refunded?: boolean } }
     | { type: "ROOM_CREATED"; roomId: string; gameSlug: string }
-    | { type: "JOIN_RESULT"; roomId: string; joinedAs: "player" | "spectator"; roomStatus: "waiting" | "playing" | "finished"; players: PlayerInfo[]; spectators: PlayerInfo[]; state?: unknown; roomOptions?: { betAmount?: number } }
+    | { type: "JOIN_RESULT"; roomId: string; joinedAs: "player" | "spectator"; roomStatus: "waiting" | "playing" | "finished"; players: PlayerInfo[]; spectators: PlayerInfo[]; state?: unknown; roomOptions?: { betAmount?: number; timeControl?: string } }
     | { type: "ROUND_SETTLED"; roomId: string; payouts: Record<string, { net: number }> }
     | { type: "SESSION_REPLACED"; roomId: string }
     | { type: "ERROR"; message: string };