Event-driven dialog queue, story flag command, mod unit tests

Push-based event chains, runtime fixes (single end, goto lifecycle, if,
busy box, held delay, empty options, timed/animated/effect actions), the
'flag name value' DSL command, autoplay --dialogs=N, 19 mod unit tests.

src/UI/Dialog/Action/Impls/ActionRun.cs

@@ -1,4 +1,4 @@
-using Cthangover.Core.Utils;
+using Cthangover.Core.Utils;
 using Cthangover.Core.UI;
 using Cthangover.Mods.Interface.Base.Lists;
 using Cthangover.Core.UI.Dialog;
@@ -7,33 +7,33 @@ using Cthangover.Core.UI.Executable;
 using Cthangover.Core.Scenarios;
 using Cthangover.Core.Scenes;
 using Cthangover.Core.Interactive;
-
-namespace Cthangover.Mods.Dialog.Action.Impls
-{
-    /// <summary>
-    /// Executes an arbitrary Action delegate inside the dialog queue.
-    /// Allows imperative code injection (e.g. quest state changes, UI toggles)
-    /// without creating a dedicated action class. NoWait so the queue advances
-    /// immediately after the delegate returns.
-    /// </summary>
-    public class ActionRun : ActionCommand
-    {
-        /// <summary>Arbitrary delegate executed during dialog sequencing. Null delegates are logged and skipped.</summary>
-        public System.Action Executable { get; set; }
-
-        /// <summary>The delegate runs and the dialog advances — no pausing.</summary>
-        public override WaitType WaitType { get; set; } = WaitType.NoWait;
-
-        /// <summary>Invokes <see cref="Executable"/>; a null delegate is logged and skipped so the queue keeps flowing.</summary>
-        public override void DoRun(DialogRuntime runtime)
-        {
-            if (Executable == null)
-            {
-                GameLogger.Log("DIALOG", "ActionRun: Executable delegate is null", LogLevel.Error);
-                return;
-            }
-
-            Executable();
-        }
-    }
-}
+
+namespace Cthangover.Mods.Dialog.Action.Impls
+{
+    /// <summary>
+    /// Executes an arbitrary Action delegate inside the dialog queue.
+    /// Allows imperative code injection (e.g. quest state changes, UI toggles)
+    /// without creating a dedicated action class. NoWait so the queue advances
+    /// immediately after the delegate returns.
+    /// </summary>
+    public class ActionRun : ActionCommand
+    {
+        /// <summary>Arbitrary delegate executed during dialog sequencing. Null delegates are logged and skipped.</summary>
+        public System.Action Executable { get; set; }
+
+        /// <summary>The delegate runs and the dialog advances — no pausing.</summary>
+        public override WaitType WaitType { get; set; } = WaitType.NoWait;
+
+        /// <summary>Invokes <see cref="Executable"/>; a null delegate is logged and skipped so the queue keeps flowing.</summary>
+        public override void DoRun(DialogRuntime runtime)
+        {
+            if (Executable == null)
+            {
+                GameLogger.Log("DIALOG", "ActionRun: Executable delegate is null", LogLevel.Error);
+                return;
+            }
+
+            Executable();
+        }
+    }
+}