fix(web): démarre le serveur MCP custom CLI via idea-serve au lieu de node — #224

frontend/src/features/web/WebAgentCell.test.tsx

@@ -120,6 +120,51 @@ describe("WebAgentCell", () => {
     });
   });
 
+  it("replays startup MCP activity when the mobile custom CLI launches", async () => {
+    const { agent, profile, agentId } = await seededAgentGateway(structuredProfile);
+    const launchChatSpy = vi.spyOn(agent, "launchAgentChat");
+    const startupScrollback = [
+      {
+        kind: "progress" as const,
+        progress: {
+          source: "ideaLocal" as const,
+          kind: "mcp" as const,
+          stage: "started" as const,
+          label: "idea_context_read",
+          toolName: "idea_context_read",
+          text: "Bootstrap MCP tools",
+        },
+      },
+      { kind: "final" as const, content: "Custom CLI ready" },
+    ];
+    const reattachChatSpy = vi
+      .spyOn(agent, "reattachAgentChat")
+      .mockImplementation(async (sessionId: string) => ({
+        sessionId,
+        scrollback: startupScrollback,
+      }));
+
+    renderCell(agent, profile, agentId, { fullHeight: true });
+    fireEvent.click(await screen.findByRole("button", { name: "CLI custom" }));
+
+    await waitFor(() => expect(launchChatSpy).toHaveBeenCalledTimes(1));
+    await waitFor(() => expect(reattachChatSpy).toHaveBeenCalledTimes(1));
+    expect(launchChatSpy.mock.calls[0][2]).toMatchObject({
+      cwd: "/srv/demo",
+      nodeId: `web-mobile-${agentId}`,
+    });
+
+    fireEvent.click(screen.getByRole("button", { name: "TUI native" }));
+    await waitFor(() => expect(screen.queryByTestId("custom-agent-chat-view")).toBeNull());
+    fireEvent.click(screen.getByRole("button", { name: "CLI custom" }));
+
+    await waitFor(() => expect(reattachChatSpy).toHaveBeenCalledTimes(2));
+    expect(await screen.findByText("MCP")).toBeTruthy();
+    expect(screen.getByText("idea_context_read")).toBeTruthy();
+    expect(screen.getByText("Bootstrap MCP tools")).toBeTruthy();
+    expect(screen.getByText("Custom CLI ready")).toBeTruthy();
+  });
+
   it("reattaches the mobile custom CLI session when returning to custom mode", async () => {
     const { agent, profile, agentId } = await seededAgentGateway(structuredProfile);
     const launchChatSpy = vi.spyOn(agent, "launchAgentChat");
@@ -138,6 +183,26 @@ describe("WebAgentCell", () => {
     expect(launchChatSpy).toHaveBeenCalledTimes(1);
   });
 
+  it("surfaces a mobile custom CLI launch failure when the runtime cannot find node", async () => {
+    const { agent, profile, agentId } = await seededAgentGateway(structuredProfile);
+    const launchChatSpy = vi.spyOn(agent, "launchAgentChat").mockRejectedValueOnce({
+      code: "PROCESS",
+      message: "spawn node ENOENT: node is not installed on this runtime",
+    });
+    const reattachChatSpy = vi.spyOn(agent, "reattachAgentChat");
+
+    renderCell(agent, profile, agentId, { fullHeight: true });
+    fireEvent.click(await screen.findByRole("button", { name: "CLI custom" }));
+
+    await waitFor(() => expect(launchChatSpy).toHaveBeenCalledTimes(1));
+    expect(launchChatSpy.mock.calls[0][2]).toMatchObject({
+      cwd: "/srv/demo",
+      nodeId: `web-mobile-${agentId}`,
+    });
+    expect(reattachChatSpy).not.toHaveBeenCalled();
+    expect((await screen.findByRole("alert")).textContent).toContain("spawn node ENOENT");
+  });
+
   it("falls back to native TUI when the mobile agent loses custom CLI support", async () => {
     const { agent, profile, agentId } = await seededAgentGateway(structuredProfile);
     const created = (await agent.listAgents(PROJECT_ID)).find((candidate) => candidate.id === agentId);