new battle gui

src/Actions/IActionExecutorProvider.cs

@@ -0,0 +1,18 @@
+namespace Cthangover.Core.Battle.Actions
+{
+    /// <summary>
+    /// Typed executor source. Each IBattleCore returns its own provider,
+    /// giving cores the ability to supply custom executor sets without
+    /// polluting the global registry.
+    /// </summary>
+    public interface IActionExecutorProvider
+    {
+        /// <summary>
+        /// Returns the executor registered for <paramref name="actionId"/>,
+        /// or null if no override is configured. Called by
+        /// <see cref="ActionExecutorHub"/> before falling back to the
+        /// global registry.
+        /// </summary>
+        IActionExecutor GetExecutor(string actionId);
+    }
+}