feat(ingest): parse video refs and fetch detail by bvid

tests/fixtures.py

@@ -176,6 +176,12 @@ VIEW_PAYLOAD: dict[str, Any] = {
         "pubdate": 1793370433,
         "ctime": 1793370433,
         "duration": 9504,
+        "pic": "http://i1.hdslb.com/bfs/archive/e5d3d4f25777b08c1dfae8bc9dc3d56b21d548f1.jpg",
+        "videos": 2,
+        "pages": [
+            {"cid": 43184885058, "page": 1, "from": "vupload", "part": "第一部分"},
+            {"cid": 43184885059, "page": 2, "from": "vupload", "part": "第二部分"},
+        ],
         "owner": {"mid": 434442072, "name": "_-抱抱-_", "face": ""},
         "stat": {
             "aid": 117530286889638,