補 OpenClaw 報表資料解析診斷

services/openclaw_strategist_service.py

@@ -462,7 +462,7 @@ def _fetch_top_threats(limit: int = 10) -> List[Dict]:
             try:
                 meta = json.loads(r[3]) if r[3] else {}
             except Exception:
-                pass
+                logger.debug("[OpenClaw] price_alert metadata_json decode failed sku=%s", r[0], exc_info=True)
             result.append({
                 "sku": r[0],
                 "summary": (r[1] or "")[:200],
@@ -996,7 +996,7 @@ def _call_gemini(
                         output=getattr(usage, 'candidates_token_count', 0) or 0,
                     )
             except Exception:
-                pass
+                logger.debug("[OpenClaw] Gemini usage metadata parse failed caller=%s", caller, exc_info=True)
             return response.text or ""
         except Exception as e:
             logger.error("[OpenClaw] Gemini 呼叫失敗: %s", e)

tests/test_openclaw_daily_template.py

@@ -17,6 +17,7 @@ Operation Ollama-First v5.0 / Phase 3 / A8 — 日報模板路由測試
 """
 
 import os
+import logging
 from datetime import date, datetime
 from unittest.mock import patch, MagicMock
 
@@ -125,6 +126,30 @@ class TestKPIComputation:
         assert result['dod_pct'] == 0.0
         assert result['wow_pct'] == 0.0
 
+    def test_fetch_top_threats_logs_malformed_metadata(self, monkeypatch, caplog):
+        import services.openclaw_strategist_service as svc
+
+        class _Rows:
+            def fetchall(self):
+                return [
+                    ("SKU-1", "price gap", 0.91, "{bad-json", datetime(2026, 5, 13)),
+                ]
+
+        class _Session:
+            def execute(self, *a, **kw):
+                return _Rows()
+            def close(self):
+                pass
+
+        monkeypatch.setattr(svc, "get_session", lambda: _Session())
+        caplog.set_level(logging.DEBUG, logger="services.openclaw_strategist_service")
+
+        threats = svc._fetch_top_threats(1)
+
+        assert threats[0]["sku"] == "SKU-1"
+        assert threats[0]["gap_pct"] == 0
+        assert "metadata_json decode failed" in caplog.text
+
 
 # ═══════════════════════════════════════════════════════════════════════════
 # T4+T5 — Template 渲染與缺欄位優雅降級