fix(slash-commands): route /clean et /help en commandes natives IdeA avant dispatch plugin (#183)

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

@@ -972,6 +972,169 @@ describe("CustomAgentChatView", () => {
     expect(composer.value).toBe("");
   });
 
+  it("executes /clean as a native conversation clear effect", async () => {
+    const agent = {
+      launchAgentChat: vi.fn(),
+      reattachAgentChat: vi.fn(async (sessionId: string) => ({
+        sessionId,
+        scrollback: [{ kind: "userPrompt", text: "old conversation" }],
+      })),
+      sendAgentChat: vi.fn(async () => {}),
+      executeSlashCommand: vi.fn(async () => ({
+        command: {
+          name: "/clean",
+          shortDescription: "Nettoyer la conversation courante",
+          requiresConfirmation: false,
+          availability: { status: "available" as const },
+          source: "native" as const,
+          native: "clean" as const,
+        },
+        effect: {
+          kind: "cleanConversation" as const,
+          sessionId: "chat-session-1",
+          clearedChunks: 1,
+        },
+      })),
+      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="chat-session-1"
+          conversationId="conversation-1"
+          onSessionId={vi.fn()}
+          onConversationId={vi.fn()}
+        />
+      </DIProvider>,
+    );
+
+    expect(await screen.findByText("old conversation")).toBeTruthy();
+
+    const composer = screen.getByLabelText(/message CLI custom/) as HTMLTextAreaElement;
+    fireEvent.change(composer, { target: { value: "/clean" } });
+    fireEvent.keyDown(composer, { key: "Enter" });
+
+    await waitFor(() =>
+      expect(agent.executeSlashCommand).toHaveBeenCalledWith("/clean", {
+        sessionId: "chat-session-1",
+      }),
+    );
+    await waitFor(() => expect(screen.queryByText("old conversation")).toBeNull());
+    expect(screen.queryByRole("alert")).toBeNull();
+    expect(agent.sendAgentChat).not.toHaveBeenCalled();
+    expect(composer.value).toBe("");
+  });
+
+  it("executes /help as a native help effect", async () => {
+    const agent = {
+      launchAgentChat: vi.fn(),
+      reattachAgentChat: vi.fn(async (sessionId: string) => ({
+        sessionId,
+        scrollback: [],
+      })),
+      sendAgentChat: vi.fn(async () => {}),
+      executeSlashCommand: vi.fn(async () => ({
+        command: {
+          name: "/help",
+          shortDescription: "Afficher les commandes disponibles",
+          requiresConfirmation: false,
+          availability: { status: "available" as const },
+          source: "native" as const,
+          native: "help" as const,
+        },
+        effect: {
+          kind: "help" as const,
+          commands: [
+            {
+              name: "/help",
+              shortDescription: "Afficher les commandes disponibles",
+              requiresConfirmation: false,
+              availability: { status: "available" as const },
+              source: "native" as const,
+              native: "help" as const,
+            },
+            {
+              name: "/clean",
+              shortDescription: "Nettoyer la conversation courante",
+              requiresConfirmation: false,
+              availability: { status: "available" as const },
+              source: "native" as const,
+              native: "clean" as const,
+            },
+            {
+              name: "/profile",
+              shortDescription: "Changer le profil de l'agent",
+              requiresConfirmation: true,
+              availability: { status: "available" as const },
+              source: "native" as const,
+              native: "profile" as const,
+            },
+          ],
+        },
+      })),
+      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="chat-session-1"
+          conversationId="conversation-1"
+          onSessionId={vi.fn()}
+          onConversationId={vi.fn()}
+        />
+      </DIProvider>,
+    );
+
+    await waitFor(() =>
+      expect(agent.reattachAgentChat).toHaveBeenCalledWith(
+        "chat-session-1",
+        expect.any(Function),
+      ),
+    );
+
+    const composer = screen.getByLabelText(/message CLI custom/) as HTMLTextAreaElement;
+    fireEvent.change(composer, { target: { value: "/help" } });
+    fireEvent.keyDown(composer, { key: "Enter" });
+
+    await waitFor(() =>
+      expect(agent.executeSlashCommand).toHaveBeenCalledWith("/help", {
+        sessionId: "chat-session-1",
+      }),
+    );
+    expect(
+      await screen.findByText(/\/clean - Nettoyer la conversation courante/),
+    ).toBeTruthy();
+    expect(screen.queryByRole("alert")).toBeNull();
+    expect(agent.sendAgentChat).not.toHaveBeenCalled();
+    expect(composer.value).toBe("");
+  });
+
   it("shows feedback when a plugin slash-command callback cannot be dispatched", async () => {
     const registry = new PluginRuntimeRegistry();
     const agent = {