feat(scraper): WA群消息抓取(chatRecords friendUid=@g.us,chatRoomTalker=群内发送者)

- 真机探明:同 chatRecords 端点 friendUid 直接传 @g.us 群id(与微信群同套路)
- 群行 chatRoomTalker=发送者@lid、keyId 有值(缺失时合成稳定主键)
- file 字段直连 OSS URL 优先于 mediaName(WA群媒体 URL 现成!)
- 守护循环同微信群;full_sync 加 9b 步;3 新测试,416 绿

Co-Authored-By: Claude <noreply@anthropic.com>

yunke-server/tests/test_scrape_wa_group_messages.py

@@ -0,0 +1,50 @@
+"""Unit tests for the WA GROUP message normalizer in :mod:`scripts.scrape_via_page`
+(chatRecords with friendUid=@g.us, confirmed live 2026-08-20). Group rows carry
+chatRoomTalker = in-group sender id and a real keyId (unlike WeChat groups)."""
+
+from __future__ import annotations
+
+from scripts.scrape_via_page import _normalize_wa_group_message
+
+OWNER = "15638182659@s.whatsapp.net"
+ROOM = "120363406490654152@g.us"
+
+
+def _row(**over):
+    base = {
+        "createTime": 1773025474000,
+        "type": 1,
+        "content": "hello",
+        "isSend": 0,
+        "keyId": "3EB0CC278FB9C73304A622",
+        "uid": OWNER,
+        "friendUid": ROOM,
+        "chatRoomTalker": "267074588913817@lid",
+        "nickName": "A**a",
+    }
+    base.update(over)
+    return base
+
+
+def test_group_row_maps_sender_and_room():
+    rec = _normalize_wa_group_message(_row())
+    assert rec["channel"] == "whatsapp"
+    assert rec["owner_account_id"] == OWNER
+    assert rec["room_id"] == ROOM
+    assert rec["talker_id"] == "267074588913817@lid"  # 群内发送者(chatRoomTalker)
+    assert rec["msg_id"] == "3EB0CC278FB9C73304A622"  # keyId 有值,直接用
+    assert rec["sender_name"] == "A**a"
+
+
+def test_keyid_missing_falls_back_to_stable_synthetic():
+    rec = _normalize_wa_group_message(_row(keyId=None))
+    expect = f"{OWNER}:{ROOM}:1773025474000:267074588913817@lid"
+    assert rec["msg_id"] == expect
+    again = _normalize_wa_group_message(_row(keyId=None))
+    assert rec["msg_id"] == again["msg_id"]  # 重扫幂等
+
+
+def test_media_url_preserved():
+    url = "https://yk-whatsapp.oss-cn-beijing.aliyuncs.com/app-file/x.jpg"
+    rec = _normalize_wa_group_message(_row(type=1, file=url))
+    assert rec["file_url"] == url