修正 PChome 覆蓋率活躍商品分母

tests/test_competitor_intel_cache.py

@@ -69,6 +69,18 @@ def test_competitor_ppt_results_use_history_for_dated_reports():
     assert "指定期間 competitor_price_history" in route_source
 
 
+def test_competitor_coverage_counts_only_active_product_intersection():
+    source = (ROOT / "services" / "competitor_intel_repository.py").read_text(encoding="utf-8")
+    coverage_source = source.split("def _fetch_competitor_coverage_uncached", 1)[1].split(
+        "def _fetch_manual_review_summary", 1
+    )[0]
+
+    assert "coverage:v4" in source
+    assert "(SELECT COUNT(*) FROM valid_competitor) AS valid_matches" not in coverage_source
+    assert "FROM latest_momo lm\n             JOIN valid_competitor vc ON vc.sku = lm.sku" in coverage_source
+    assert "WHERE lm.rn = 1) AS valid_matches" in coverage_source
+
+
 def test_competitor_ppt_and_ai_use_momo_minus_pchome_gap_direction():
     ppt_source = (ROOT / "services" / "ppt_generator.py").read_text(encoding="utf-8")
     route_source = (ROOT / "routes" / "openclaw_bot_routes.py").read_text(encoding="utf-8")