feat(canvas): 3D 导演台 - 补齐非 P0 分层交互与回归保护 (#333)

* feat(canvas): 3D 导演台 - 补齐分层交互与回归保护

* fix(canvas): 3D 导演台 - 过滤非法轨迹关键帧

* chore(canvas): 3D 导演台 - 对齐前端格式规范

* fix(canvas): 3D 导演台 - 保证故障重试入口可点击

* test(canvas): 3D 导演台 - 稳定真实点击验证

web/src/pages/dev/director-repro-lab.tsx

@@ -96,7 +96,9 @@ export default function DirectorReproLab() {
             <DiagnosticEventList events={events} />
             <ReproMatrix />
 
-            {workbenchOpen ? <CanvasDirectorWorkbench open scene={scene} imageNodes={[]} onClose={() => setWorkbenchOpen(false)} onChange={onChange} onApply={onApply} onDeleteImageNode={() => undefined} onFlush={onFlush} /> : null}
+            {workbenchOpen ? (
+                <CanvasDirectorWorkbench open scene={scene} imageNodes={[]} onboardingScope="director-repro-lab" onClose={() => setWorkbenchOpen(false)} onChange={onChange} onApply={onApply} onDeleteImageNode={() => undefined} onFlush={onFlush} />
+            ) : null}
         </div>
     );
 }