放行品牌缺失的強錨點同款

tests/test_marketplace_product_matcher.py

@@ -442,6 +442,20 @@ def test_marketplace_matcher_ignores_generic_variant_noise_for_peripera_brow_pen
     assert diagnostics.score < 0.76
 
 
+def test_marketplace_matcher_promotes_brandless_exact_identity_when_anchor_is_strong():
+    from services.marketplace_product_matcher import score_marketplace_match
+
+    diagnostics = score_marketplace_match(
+        "【小米有品】小浪智能感應自動噴香機(三種噴香模式 霧化噴香 芳香除臭)",
+        "小浪智能感應自動噴香機 三種噴香模式 霧化噴香 芳香除臭 芳香劑 去異味",
+        momo_price=539,
+        competitor_price=539,
+    )
+
+    assert diagnostics.score >= 0.76
+    assert "brandless_exact_identity" in diagnostics.reasons
+
+
 def test_marketplace_matcher_rejects_same_count_different_unit_family():
     from services.marketplace_product_matcher import score_marketplace_match