test(hls): [PKG-HLS-02] cover released contracts and real SDK playback

refactor/tasks.json

@@ -1804,11 +1804,16 @@
         "ENG-03",
         "ENG-05"
       ],
-      "status": "todo",
+      "status": "done",
       "risk": "H",
       "deliverable": "Auto/手动实际 level、音轨、去重/过滤和拓扑变化",
       "acceptance": "旧版本行为可重跑，成功/失败/切源/销毁有必要断言",
-      "evidence": []
+      "evidence": [
+        "hls-validation.md",
+        "baselines/hls-sdk.json",
+        "baselines/hls-validation.json",
+        "changes/2026-09-11-PKG-HLS-02-tests.md"
+      ]
     },
     {
       "id": "PKG-HLS-03",