chore: 服务端品牌与行业残留更名清零(HESUPIPE/DB名/redis字段)

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

tests/test_contact_pipeline.py

@@ -123,7 +123,7 @@ def test_scan_wa_me_link():
 
 def test_scan_ignores_prices_years_and_ai_messages():
     texts = m(
-        "budget $25,000 for 2024 BYD Tang",   # 价格+年份
+        "budget $25,000 for 2024 PE100 pipes",   # 价格+年份
         "50,000 km mileage",                   # 里程
         "I want 5 units",                      # 数量
     )
@@ -221,7 +221,7 @@ def test_recency_kills_extractor_oscillation():
     before = {"phone": "+8613800138004", "whatsapp": "+8613800138004"}
     after = {"phone": "+8613800138000", "whatsapp": "+8613800138004"}  # extractor 振荡
     msgs = _u("my whatsapp is +8613800138000", "my whatsapp is +8613800138004",
-              "any car talk")
+              "any pipe talk")
     assert resolve_by_recency(before, after, msgs) == before  # 无变化→不触发更正