test(canvas): [PKG-CANVAS-05] checkpoint installed native picture-in-picture

refactor/tasks.json

@@ -3638,11 +3638,16 @@
         "PKG-FACTORY-01",
         "PKG-CANVAS-SUBTITLE-01"
       ],
-      "status": "todo",
+      "status": "doing",
       "risk": "H",
       "deliverable": "真实 video/canvas 绘制、字幕和 document PiP 恢复",
       "acceptance": "最终核心与原支持范围核心分别通过；设备/SDK 缺证据不能标完成",
-      "evidence": []
+      "evidence": [
+        "changes/2026-09-14-PKG-CANVAS-05-native-pip.md",
+        "baselines/canvas-dpip-validation.json",
+        "baselines/canvas-subtitles-validation.json",
+        "baselines/ambilight-installed-validation.json"
+      ]
     },
     {
       "id": "PKG-CANVAS-06",