V10.547 強化單位價覆核洞察

tests/test_competitor_intel_cache.py

@@ -239,6 +239,43 @@ def test_rescore_accepted_review_item_has_actionable_decision_envelope():
     assert any(evidence["metric"] == "candidate_gap_pct" for evidence in envelope["evidence"])
 
 
+def test_manual_unit_price_review_item_keeps_business_insight():
+    from services.competitor_intel_repository import (
+        _format_competitor_review_item,
+        summarize_review_decision_envelopes,
+    )
+
+    item = _format_competitor_review_item({
+        "sku": "11223344",
+        "name": "理膚寶水 B5 全面修復霜 40ml x2 超值組",
+        "momo_price": 1199,
+        "attempt_status": "manual_unit_price_required",
+        "candidate_count": 1,
+        "best_competitor_product_id": "DABC01-B5",
+        "best_competitor_product_name": "理膚寶水 全面修復霜 B5 40ml",
+        "best_competitor_price": 679,
+        "best_match_score": 0.742,
+        "match_diagnostic_json": {
+            "match_type": "same_product_different_pack",
+            "price_basis": "unit_price",
+            "alert_tier": "unit_price_review",
+            "reasons": ["unit_comparable"],
+        },
+    })
+
+    assert item["unit_comparison"]["comparable"] is True
+    assert item["unit_price_insight"]["direction"] == "momo_cheaper"
+    assert "MOMO 單位價低" in item["unit_price_insight"]["summary"]
+    envelope = item["decision_envelope"]
+    assert envelope["recommended_action"]["action"] == "unit_price_required"
+    assert envelope["expected_impact"]["unit_price_insight"]["unit_gap_pct"] == -11.71
+    assert any(evidence["metric"] == "unit_price_gap_pct" for evidence in envelope["evidence"])
+
+    brief = summarize_review_decision_envelopes([item], limit=5)
+    assert "單位價差 -11.7%" in brief["text"]
+    assert brief["items"][0]["unit_price_gap_pct"] == -11.71
+
+
 def test_protected_existing_match_envelope_explains_candidate_conflict():
     from services.competitor_intel_repository import _format_competitor_review_item