feat(policy): Introduce config-based policy engine with TOML configuration (#11992)

packages/core/src/config/config.ts

@@ -1101,6 +1101,11 @@ export class Config {
   async createToolRegistry(): Promise<ToolRegistry> {
     const registry = new ToolRegistry(this, this.eventEmitter);
 
+    // Set message bus on tool registry before discovery so MCP tools can access it
+    if (this.getEnableMessageBusIntegration()) {
+      registry.setMessageBus(this.messageBus);
+    }
+
     // helper to create & register core tools that are enabled
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     const registerCoreTool = (ToolClass: any, ...args: unknown[]) => {