feat(sdk): migrate to EventBus 2.0

Replace the legacy EventBase runtime with generated multi-bus bindings and explicit scheduling. Migrate app, data, network, demo, and mod consumers; add generated network-event registration and owner-scoped mod content overrides.

Assets/Modules/ShrinkModFramework/Runtime/Loading/ShrinkModLoader.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using ShrinkEventBus;
 using UnityEngine;
 
 namespace ShrinkModFramework
@@ -106,6 +107,9 @@ namespace ShrinkModFramework
             {
                 foreach (var handle in newHandles)
                 {
+                    handle.EventBinding?.Dispose();
+                    handle.EventBinding = null;
+                    EventBus.RemoveBus(ShrinkBusKey.Mod(handle.Info.ModId));
                     LoadedMods.Remove(handle.Info.ModId);
                     LoadSequence.Remove(handle);
                 }
@@ -123,7 +127,7 @@ namespace ShrinkModFramework
             return false;
         }
 
-        public static ShrinkModRegistry<T> GetOrCreateRegistry<T>(string name)
+        public static IReadOnlyShrinkModRegistry<T> GetOrCreateRegistry<T>(string name)
             => ShrinkModCordisRuntime.IsInitialized
                 ? ShrinkModCordisRuntime.GetOrCreateRegistry<T>(name)
                 : RegistryManager.GetOrCreateRegistry<T>(name);
@@ -131,6 +135,7 @@ namespace ShrinkModFramework
         internal static void ResetForTesting()
         {
             ShrinkModCordisRuntime.ResetForTesting();
+            DisposeLegacyEventBindings();
             LoadedMods.Clear();
             LoadSequence.Clear();
             RegistryManager.Clear();
@@ -145,6 +150,7 @@ namespace ShrinkModFramework
         internal static void ResetForDomainReload()
         {
             ShrinkModCordisRuntime.ResetForDomainReload();
+            DisposeLegacyEventBindings();
             LoadedMods.Clear();
             LoadSequence.Clear();
             RegistryManager.Clear();
@@ -383,11 +389,22 @@ namespace ShrinkModFramework
         private static void RegisterOptionalRuntimeIntegrations(IEnumerable<ShrinkModHandle> handles, bool verboseLogging)
         {
             foreach (var handle in handles)
-                ShrinkModOptionalRuntimeIntegration.RegisterModInstance(handle.Instance, handle.Info, verboseLogging);
+                handle.EventBinding = ShrinkModOptionalRuntimeIntegration.RegisterModInstance(
+                    handle.Instance, handle.Info, verboseLogging);
 
             ShrinkModOptionalRuntimeIntegration.RefreshGlobalBindings(verboseLogging);
         }
 
+        private static void DisposeLegacyEventBindings()
+        {
+            foreach (var handle in LoadedMods.Values)
+            {
+                handle.EventBinding?.Dispose();
+                handle.EventBinding = null;
+                EventBus.RemoveBus(ShrinkBusKey.Mod(handle.Info.ModId));
+            }
+        }
+
         private static void RunPhase(IEnumerable<ShrinkModHandle> handles, ShrinkModState targetState, bool verboseLogging,
             Action<IShrinkMod, ShrinkModContext> callback, string phaseName)
         {