revert everything, these changes were a mistake

JoshHeaps.Net/Services/Interfaces/ISelfPlayCoordinator.cs

@@ -1,23 +0,0 @@
-using JoshHeaps.Net.Services.Implementations;
-
-namespace JoshHeaps.Net.Services.Interfaces;
-
-/// <summary>Per-side engine and strength for a CPU-vs-CPU game.</summary>
-public sealed record SelfPlayConfig(
-    ChessEngineKind WhiteKind, int WhiteSkill,
-    ChessEngineKind BlackKind, int BlackSkill);
-
-/// <summary>
-/// Creates and runs CPU-vs-CPU games to completion: randomized opening, move loop, and (when
-/// the learned engine plays) feeding the result back into the learned weights. Used by the
-/// spectator "watch" endpoint and by the auto-trainer.
-/// </summary>
-public interface ISelfPlayCoordinator
-{
-    /// <summary>
-    /// Create, register, and start running a self-play game. Returns immediately with the new
-    /// game's id and a task that completes when the game finishes (or is cancelled). Callers
-    /// that only need the id can ignore the task; the auto-trainer awaits it to start the next.
-    /// </summary>
-    (Guid GameId, Task Completion) StartGame(SelfPlayConfig config, CancellationToken cancellationToken = default);
-}