test(asr): [PKG-ASR-01] freeze published interfaces and source contracts

refactor/tasks.json

@@ -2617,11 +2617,15 @@
       "dependsOn": [
         "BASE-05"
       ],
-      "status": "todo",
+      "status": "done",
       "risk": "H",
       "deliverable": "length/interval/sampleRate/onAudioChunk、append/hide/stop 的真实能力",
       "acceptance": "源码/声明/README/demo/发布包差异已登记；公开形状和版本范围冻结",
-      "evidence": []
+      "evidence": [
+        "changes/2026-09-13-PKG-ASR-01-contracts.md",
+        "baselines/asr-contract.md",
+        "baselines/asr-release.json"
+      ]
     },
     {
       "id": "PKG-ASR-02",