refactor: deprecate legacy confirmation settings and enforce Policy Engine (#15626)

packages/core/src/config/config.test.ts

@@ -61,6 +61,7 @@ vi.mock('../tools/tool-registry', () => {
   ToolRegistryMock.prototype.sortTools = vi.fn();
   ToolRegistryMock.prototype.getAllTools = vi.fn(() => []); // Mock methods if needed
   ToolRegistryMock.prototype.getTool = vi.fn();
+  ToolRegistryMock.prototype.setMessageBus = vi.fn();
   ToolRegistryMock.prototype.getFunctionDeclarations = vi.fn(() => []);
   return { ToolRegistry: ToolRegistryMock };
 });
@@ -923,7 +924,7 @@ describe('Server Config (config.ts)', () => {
       expect(DelegateToAgentToolMock).toHaveBeenCalledWith(
         expect.anything(), // AgentRegistry
         config,
-        undefined,
+        expect.anything(), // MessageBus
       );
 
       const calls = registerToolMock.mock.calls;