Wire ExecuteCode code mode in ChatKit runtime

app/src/components/ChatKit/ChatKitPanel.test.tsx

@@ -103,6 +103,7 @@ vi.mock("../../contexts/NotebookContext", () => ({
   useNotebookContext: () => ({
     getNotebookData: () => undefined,
     useNotebookSnapshot: () => ({ notebook: { cells: [] } }),
+    useNotebookList: () => [],
   }),
 }));
 
@@ -272,6 +273,60 @@ describe("ChatKitPanel codex harness routing", () => {
     expect(bridgeMock.connect).not.toHaveBeenCalled();
   });
 
+  it("handles ExecuteCode params with top-level code for NotebookService tool names", async () => {
+    render(<ChatKitPanel />);
+    const config = useChatKitMock.mock.calls.at(0)?.[0];
+
+    const result = await config.onClientTool({
+      name: "agent_tools_v1_NotebookService_ExecuteCode",
+      params: {
+        call_id: "call-top-level",
+        previous_response_id: "resp-1",
+        code: "console.log('ok')",
+      },
+    });
+
+    expect(result.callId).toBe("call-top-level");
+    expect(result.previousResponseId).toBe("resp-1");
+    expect(String(result.clientError ?? "")).not.toContain("Failed to decode tool params");
+    expect(String(result.clientError ?? "")).not.toContain('key "code" is unknown');
+  });
+
+  it("handles ExecuteCode params for direct ExecuteCode tool name", async () => {
+    render(<ChatKitPanel />);
+    const config = useChatKitMock.mock.calls.at(0)?.[0];
+
+    const result = await config.onClientTool({
+      name: "ExecuteCode",
+      params: {
+        call_id: "call-direct",
+        code: "console.log('direct')",
+      },
+    });
+
+    expect(result.callId).toBe("call-direct");
+    expect(String(result.clientError ?? "")).not.toContain("Failed to decode tool params");
+    expect(String(result.clientError ?? "")).not.toContain('key "code" is unknown');
+  });
+
+  it("returns unknown tool error for unrecognized tool names", async () => {
+    render(<ChatKitPanel />);
+    const config = useChatKitMock.mock.calls.at(0)?.[0];
+
+    const result = await config.onClientTool({
+      name: "unknown_tool_name",
+      params: {
+        call_id: "",
+        previous_response_id: "resp-1",
+        code: "console.log('payload-shape')",
+      },
+    });
+
+    expect(String(result.clientError ?? "")).toContain("Unknown tool unknown_tool_name");
+    expect(String(result.clientError ?? "")).not.toContain("Failed to decode tool params");
+    expect(String(result.clientError ?? "")).not.toContain('key "code" is unknown');
+  });
+
   it("routes ChatKit to /codex/app-server/ws and connects codex bridge + proxy websocket", async () => {
     harnessState.defaultHarness.adapter = "codex";