feat: add prompt-first batches and pausable task guidance

apps/showcase_ui/src/app/components/model-settings/capability-settings.component.ts

@@ -5,6 +5,7 @@ import { finalize } from 'rxjs';
 
 interface Capabilities {
   video_enabled: boolean;
+  recording_enabled: boolean;
   outputter_enabled: boolean;
   step_summarizer_enabled: boolean;
 }
@@ -16,7 +17,9 @@ interface Capabilities {
       <h3>功能开关</h3>
       <p>按需启用，保存后对新任务生效。</p>
       <label><input type="checkbox" role="switch" [(ngModel)]="config.video_enabled" [disabled]="busy() || loading() || !loaded()" />
-        <span>视频分析与录屏<small>录制设备画面，并允许智能体分析录像；关闭可减少资源占用。</small></span></label>
+        <span>视频分析<small>允许智能体分析任务画面。运行期间会临时录制，完成后不保留录像（除非开启录屏）。</small></span></label>
+      <label><input type="checkbox" role="switch" [(ngModel)]="config.recording_enabled" [disabled]="busy() || loading() || !loaded()" />
+        <span>保存录屏<small>保留任务录像以便复盘，可单独开启，不要求启用视频分析。</small></span></label>
       <label><input type="checkbox" role="switch" [(ngModel)]="config.outputter_enabled" [disabled]="busy() || loading() || !loaded()" />
         <span>最终报告生成<small>根据执行记录生成任务结果报告。</small></span></label>
       <label><input type="checkbox" role="switch" [(ngModel)]="config.step_summarizer_enabled" [disabled]="busy() || loading() || !loaded()" />
@@ -36,7 +39,7 @@ interface Capabilities {
 export class CapabilitySettingsComponent implements OnInit {
   changed = output<Capabilities>();
   private http = inject(HttpClient);
-  config: Capabilities = { video_enabled: false, outputter_enabled: true, step_summarizer_enabled: true };
+  config: Capabilities = { video_enabled: false, recording_enabled: false, outputter_enabled: true, step_summarizer_enabled: true };
   busy = signal(false); loading = signal(true); loaded = signal(false); message = signal(''); error = signal('');
   ngOnInit(): void {
     this.http.get<Capabilities>('/api/system/capability-settings').pipe(finalize(() => this.loading.set(false))).subscribe({

apps/showcase_ui/src/app/components/model-settings/model-settings.component.spec.ts

@@ -98,21 +98,24 @@ describe('持久化模型与功能设置', () => {
     http.expectNone('/api/system/capability-settings');
   });
 
-  it('保存关闭视频分析的配置，重新打开时恢复关闭状态', () => {
-    const capabilities = { video_enabled: true, outputter_enabled: true, step_summarizer_enabled: false };
+  it('录屏与视频分析独立保存，重新打开后保留各自状态', () => {
+    const capabilities = { video_enabled: true, recording_enabled: false, outputter_enabled: true, step_summarizer_enabled: false };
     const fixture = TestBed.createComponent(CapabilitySettingsComponent);
     fixture.detectChanges();
     http.expectOne('/api/system/capability-settings').flush(capabilities);
     fixture.componentInstance.config.video_enabled = false;
+    fixture.componentInstance.config.recording_enabled = true;
     fixture.componentInstance.save();
     const request = http.expectOne('/api/system/capability-settings');
     expect(request.request.body.video_enabled).toBeFalse();
-    const saved = { ...capabilities, video_enabled: false };
+    expect(request.request.body.recording_enabled).toBeTrue();
+    const saved = { ...capabilities, video_enabled: false, recording_enabled: true };
     request.flush(saved);
     fixture.destroy();
     const reopened = TestBed.createComponent(CapabilitySettingsComponent);
     reopened.detectChanges();
     http.expectOne('/api/system/capability-settings').flush(saved);
     expect(reopened.componentInstance.config.video_enabled).toBeFalse();
+    expect(reopened.componentInstance.config.recording_enabled).toBeTrue();
   });
 });