V10.421 guard marketplace line mismatches

tests/test_marketplace_product_matcher.py

@@ -1410,6 +1410,50 @@ def test_marketplace_matcher_rejects_dr_hsieh_labsmart_vs_repair_serum_line_gap(
     assert "dr_hsieh_labsmart_line_conflict" not in same_line.reasons
 
 
+def test_marketplace_matcher_rejects_kanebo_milano_powder_vs_perfume_type_gap():
+    from services.marketplace_product_matcher import score_marketplace_match
+
+    diagnostics = score_marketplace_match(
+        "【Kanebo 佳麗寶】Milano Collection 2024絕色蜜粉餅GR 30g",
+        "Kanebo Milano Collection 2026 絕色香水30mL",
+        momo_price=3500,
+        competitor_price=2900,
+    )
+
+    assert diagnostics.score < 0.76
+    assert diagnostics.hard_veto is True
+    assert diagnostics.comparison_mode == "not_comparable"
+    assert "kanebo_milano_type_conflict" in diagnostics.reasons
+
+    same_powder = score_marketplace_match(
+        "【Kanebo 佳麗寶】Milano Collection 2024絕色蜜粉餅GR 30g",
+        "Kanebo Milano Collection 2024 絕色蜜粉餅 GR 30g",
+    )
+    assert "kanebo_milano_type_conflict" not in same_powder.reasons
+
+
+def test_marketplace_matcher_rejects_hoi_candle_product_line_gap():
+    from services.marketplace_product_matcher import score_marketplace_match
+
+    diagnostics = score_marketplace_match(
+        "【hoi! 好好生活】日京山風香氛天然蠟燭150g",
+        "hoi!LAB 實驗室香氛天然大豆香氛蠟燭經典篇 150g",
+        momo_price=780,
+        competitor_price=699,
+    )
+
+    assert diagnostics.score < 0.76
+    assert diagnostics.hard_veto is True
+    assert diagnostics.comparison_mode == "not_comparable"
+    assert "hoi_candle_line_conflict" in diagnostics.reasons
+
+    same_line = score_marketplace_match(
+        "【hoi! 好好生活】日京山風香氛天然蠟燭150g",
+        "hoi! 日京山風 香氛天然蠟燭 150g",
+    )
+    assert "hoi_candle_line_conflict" not in same_line.reasons
+
+
 def test_marketplace_matcher_rejects_refill_core_vs_case_only_pack():
     from services.marketplace_product_matcher import score_marketplace_match