feat(mosstank): add VTank-style automation PoC

src/AcDream.Plugin.Abstractions/IPluginHost.cs

@@ -20,6 +20,19 @@ public interface IPluginHost
     IEvents Events { get; }
     ISelectionService Selection { get; }
     IUiRegistry Ui { get; }
+    /// <summary>
+    /// Locally handled slash/at commands. Hosts without command routing expose
+    /// an inert registry so an API-v1 plugin can retain one code path.
+    /// </summary>
+    IPluginCommandRegistry Commands => NoOpPluginCommandRegistry.Instance;
+    /// <summary>
+    /// Durable storage scoped by the host to this plugin's manifest id.
+    /// No-window/test hosts may explicitly expose the inert implementation.
+    /// </summary>
+    IPluginStorage Storage => NoOpPluginStorage.Instance;
+    /// <summary>Unload-safe external VTank-style loot classifiers.</summary>
+    IPluginLootClassifierRegistry LootClassifiers =>
+        NoOpPluginLootClassifierRegistry.Instance;
 
     /// <summary>
     /// Character reads, spell data and casting. Hosts with no live session