fix:批量修复了一些问题

src/llm/backtest.py

@@ -70,6 +70,8 @@ class BacktestSummary:
     """回测汇总统计。"""
     total: int
     scored: int
+    success: int = 0          # status=success 的预测数(有完整比分+1x2)
+    degraded: int = 0         # status=degraded 的预测数(专家失败/无有效数据)
     accuracy_1x2: float | None = None
     avg_score_rmse: float | None = None
     avg_subjective_confidence: float | None = None
@@ -194,6 +196,17 @@ async def run_backtest(
         if r is not None:
             summary.results.append(r)
             summary.scored += 1
+            # success:有完整预测比分+1x2;degraded:多专家模式无有效结论
+            if r.pred_1x2 is not None and r.pred_home is not None and r.pred_away is not None:
+                summary.success += 1
+            else:
+                summary.degraded += 1
+
+    logger.info(
+        "回测汇总 mode=%s total=%d scored=%d success=%d accuracy=%s%%",
+        mode, summary.total, summary.scored, summary.success,
+        f"{(sum(1 for r in summary.results if r.correct_1x2) / summary.scored * 100):.1f}" if summary.scored else "n/a",
+    )
 
     # 汇总统计
     if summary.scored > 0: