feat(core,cli): enforce mandatory MessageBus injection (Phase 3 Hard Migration) (#15776)

packages/core/src/agents/local-executor.ts

@@ -99,7 +99,10 @@ export class LocalAgentExecutor<TOutput extends z.ZodTypeAny> {
     onActivity?: ActivityCallback,
   ): Promise<LocalAgentExecutor<TOutput>> {
     // Create an isolated tool registry for this agent instance.
-    const agentToolRegistry = new ToolRegistry(runtimeContext);
+    const agentToolRegistry = new ToolRegistry(
+      runtimeContext,
+      runtimeContext.getMessageBus(),
+    );
     const parentToolRegistry = runtimeContext.getToolRegistry();
 
     if (definition.toolConfig) {