V10.512 接上 Webcrumbs 比價 host data

tests/test_external_tool_entrypoints.py

@@ -40,12 +40,13 @@ def test_external_tool_bridge_pages_are_diagnostic_not_blank():
     assert "def webcrumbs_asset_proxy(asset_path)" in route_source
     assert "WEBCRUMBS_ASSET_ALLOWED_PREFIXES" in route_source
     assert "Webcrumbs 共用 UI Runtime" in route_source
+    assert "build_webcrumbs_marketplace_host_data" in route_source
     assert "plugin_previews" in route_source
     assert "finance.market-ticker-strip/0.1.0" in route_source
     assert "finance.ai-candidate-card/0.1.0" in route_source
     assert "plugin_seed_data" in route_source
-    assert "diagnostic_empty" in route_source
-    assert "source_not_connected" in route_source
+    assert "diagnostic_unavailable" in route_source
+    assert "source_unavailable" in route_source
     assert "StockPlatformSharedUI.allowedPluginUris" in template
     assert "StockPlatformSharedUI.marketSnapshot" in template
     assert "StockPlatformSharedUI.aiCandidate" in template

tests/test_webcrumbs_host_data_service.py

@@ -0,0 +1,67 @@
+from services import webcrumbs_host_data_service as svc
+
+
+def test_webcrumbs_host_data_maps_price_alert_exact_rows(monkeypatch):
+    engine = object()
+
+    monkeypatch.setattr(
+        svc,
+        "fetch_top_competitor_risks",
+        lambda passed_engine, limit: [
+            {
+                "sku": "SKU-REVIEW",
+                "name": "需人工覆核的非直接告警候選",
+                "momo_price": 999,
+                "pchome_price": 500,
+                "gap_pct": 99.8,
+                "match_score": 0.95,
+                "alert_tier": "identity_review",
+                "match_type": "exact",
+                "price_basis": "total_price",
+            },
+            {
+                "sku": "SKU-1",
+                "name": "Derma Angel 護妍天使 集中抗痘精華",
+                "momo_price": 420,
+                "pchome_price": 250,
+                "gap_pct": 68.0,
+                "match_score": 0.91,
+                "alert_tier": "price_alert_exact",
+                "match_type": "exact",
+                "price_basis": "total_price",
+                "pchome_id": "DABC123",
+                "pchome_name": "Derma Angel 集中抗痘精華",
+                "crawled_at": "05/31 20:50",
+            }
+        ],
+    )
+    monkeypatch.setattr(
+        svc,
+        "fetch_competitor_coverage",
+        lambda passed_engine: {"valid_matches": 88, "match_rate": 12.3},
+    )
+
+    payload = svc.build_webcrumbs_marketplace_host_data(engine=engine, limit=5)
+
+    assert payload["marketSnapshot"][0]["name"].startswith("SKU-1")
+    assert payload["marketSnapshot"][0]["price"] == 250
+    assert payload["marketSnapshot"][0]["change_pct"] == 68.0
+    assert payload["aiCandidate"]["ticker"] == "SKU-1"
+    assert payload["aiCandidate"]["confidence_score"] == 0.91
+    assert "MOMO NT$420 vs PChome NT$250" in payload["aiCandidate"]["thesis"]
+    assert payload["aiCandidate"]["release_status"] == "review_required"
+    assert payload["metadata"]["writes_database"] is False
+    assert payload["metadata"]["calls_llm"] is False
+    assert payload["metadata"]["fetches_external"] is False
+    assert all(row["freshness_status"] == "price_alert_exact" for row in payload["marketSnapshot"])
+
+
+def test_webcrumbs_host_data_uses_empty_state_without_risks(monkeypatch):
+    monkeypatch.setattr(svc, "fetch_top_competitor_risks", lambda engine, limit: [])
+    monkeypatch.setattr(svc, "fetch_competitor_coverage", lambda engine: {"valid_matches": 0})
+
+    payload = svc.build_webcrumbs_marketplace_host_data(engine=object(), limit=5)
+
+    assert payload["marketSnapshot"][0]["freshness_status"] == "no_current_exact_risk"
+    assert payload["aiCandidate"]["release_status"] == "blocked"
+    assert "非同款、單位價或變體候選" in payload["aiCandidate"]["thesis"]