fix(web): émet chat.attached pour les sessions agents structurées au lieu de UNSUPPORTED — #229

frontend/src/features/agents/CustomAgentChatView.test.tsx

@@ -89,6 +89,98 @@ describe("CustomAgentChatView", () => {
     __resetProjectCliInteractionActivityForTests();
   });
 
+  it("shows the technical open failure on mobile with retry and native TUI fallback", async () => {
+    const openNativeTui = vi.fn();
+    const agent = {
+      launchAgentChat: vi
+        .fn()
+        .mockRejectedValueOnce(new Error("spawn codex ENOENT"))
+        .mockResolvedValueOnce({ sessionId: "chat-session-1" }),
+      reattachAgentChat: vi.fn(async (sessionId: string) => ({
+        sessionId,
+        scrollback: [],
+      })),
+      sendAgentChat: vi.fn(async () => {}),
+      cancelAgentChat: vi.fn(async () => {}),
+      closeAgentChat: vi.fn(async () => {}),
+    };
+
+    render(
+      <DIProvider
+        gateways={{
+          agent,
+          system: { pickFile: vi.fn(async () => null) },
+        } as unknown as Gateways}
+      >
+        <CustomAgentChatView
+          projectId="project-1"
+          agentId="agent-1"
+          agentName="Worker"
+          profile={profile}
+          cwd="/repo"
+          nodeId="node-1"
+          sessionId={null}
+          conversationId={null}
+          mobile
+          onOpenNativeTui={openNativeTui}
+          onSessionId={vi.fn()}
+          onConversationId={vi.fn()}
+        />
+      </DIProvider>,
+    );
+
+    const alert = await screen.findByRole("alert");
+    expect(within(alert).getByText("Le CLI custom n'a pas pu démarrer.")).toBeTruthy();
+    expect(within(alert).getByText("Cause: spawn codex ENOENT")).toBeTruthy();
+    expect(screen.queryByText(/Vérifiez la configuration du profil/)).toBeNull();
+
+    fireEvent.click(within(alert).getByRole("button", { name: "Ouvrir en TUI native" }));
+    expect(openNativeTui).toHaveBeenCalledTimes(1);
+
+    fireEvent.click(within(alert).getByRole("button", { name: "Réessayer" }));
+    await waitFor(() => expect(agent.launchAgentChat).toHaveBeenCalledTimes(2));
+    await waitFor(() => expect(screen.queryByRole("alert")).toBeNull());
+  });
+
+  it("uses the same technical open failure on desktop", async () => {
+    const agent = {
+      launchAgentChat: vi.fn(async () => {
+        throw new Error("permission denied: /opt/codex");
+      }),
+      reattachAgentChat: vi.fn(),
+      sendAgentChat: vi.fn(async () => {}),
+      cancelAgentChat: vi.fn(async () => {}),
+      closeAgentChat: vi.fn(async () => {}),
+    };
+
+    render(
+      <DIProvider
+        gateways={{
+          agent,
+          system: { pickFile: vi.fn(async () => null) },
+        } as unknown as Gateways}
+      >
+        <CustomAgentChatView
+          projectId="project-1"
+          agentId="agent-1"
+          agentName="Worker"
+          profile={profile}
+          cwd="/repo"
+          nodeId="node-1"
+          sessionId={null}
+          conversationId={null}
+          onSessionId={vi.fn()}
+          onConversationId={vi.fn()}
+        />
+      </DIProvider>,
+    );
+
+    const alert = await screen.findByRole("alert");
+    expect(within(alert).getByText("Cause: permission denied: /opt/codex")).toBeTruthy();
+    expect(screen.getByRole("button", { name: "Réessayer" })).toBeTruthy();
+    expect(screen.queryByRole("button", { name: "Ouvrir en TUI native" })).toBeNull();
+  });
+
   it("repaints attachment labels from user prompt scrollback", async () => {
     const agent = {
       launchAgentChat: vi.fn(),