feat: add bundled OpenCode skills and refine module flow

tests/unit/agent-conversation-sidebar.test.tsx

@@ -344,6 +344,40 @@ describe('AgentConversationSidebar', () => {
     })));
   });
 
+  it('defaults only the planning Skills and leaves presentation optional', async () => {
+    hostApiFetchMock.mockResolvedValue({
+      skills: [
+        { name: 'agent-browser' },
+        { name: 'frontend-slides' },
+        { name: 'grilling' },
+        { name: 'planning-with-files' },
+      ],
+    });
+    const callbacks = renderSidebar();
+
+    fireEvent.click(screen.getByRole('button', { name: '创建伙伴' }));
+
+    const grilling = await screen.findByLabelText('绑定技能：方案质询');
+    const planning = await screen.findByLabelText('绑定技能：项目规划');
+    const slides = await screen.findByLabelText('绑定技能：项目演示');
+    const browser = await screen.findByLabelText('绑定技能：开发浏览器');
+    await waitFor(() => {
+      expect(grilling).toBeChecked();
+      expect(planning).toBeChecked();
+      expect(slides).not.toBeChecked();
+      expect(browser).not.toBeChecked();
+    });
+    fireEvent.click(grilling);
+    expect(grilling).not.toBeChecked();
+    fireEvent.change(screen.getByLabelText(/伙伴名称/), { target: { value: '小李' } });
+    fireEvent.change(screen.getByLabelText(/职责简述/), { target: { value: '负责整理资料。' } });
+    fireEvent.click(screen.getByRole('button', { name: '创建并开始对话' }));
+
+    await waitFor(() => expect(callbacks.onCreateAgent).toHaveBeenCalledWith(expect.objectContaining({
+      skillIds: ['planning-with-files'],
+    })));
+  });
+
   it('shows advanced creation settings directly below the basics', () => {
     renderSidebar();
     fireEvent.click(screen.getByRole('button', { name: '创建伙伴' }));