feat: 增强处理历史页指标与上下文跳转

apps/audit/services.py

@@ -144,6 +144,28 @@ def build_history_rows(logs) -> list[dict]:
     return rows
 
 
+def build_history_metrics(history_rows: list[dict]) -> list[dict]:
+    """
+    为处理历史页生成顶部指标卡。
+
+    口径保持前台可讲解：
+    - 处理任务数：当前筛选结果中的执行记录数
+    - 成功执行：状态为 success 的记录数
+    - 通知已发送：通知状态为 sent 的记录数
+    - 高风险阻断：风险等级为 high 的记录数
+    """
+    total_count = len(history_rows)
+    success_count = sum(1 for row in history_rows if row["log"].status == "success")
+    notify_sent_count = sum(1 for row in history_rows if row.get("notify_status") == "sent")
+    blocked_count = sum(1 for row in history_rows if row.get("risk_status") == "high")
+    return [
+        {"label": "处理任务数", "value": total_count, "note": "按当前筛选条件回看执行留痕。"},
+        {"label": "成功执行", "value": success_count, "note": "执行完成并写入审计快照。"},
+        {"label": "通知已发送", "value": notify_sent_count, "note": "已生成 sent 状态的通知留痕。"},
+        {"label": "高风险阻断", "value": blocked_count, "note": "风险等级为 high 的处理记录。"},
+    ]
+
+
 def build_detail_summary(log: AgentAuditLog, conversation, notifications) -> dict:
     """
     组装处理历史详情页的导出摘要与通知回执信息。

apps/audit/views.py

@@ -2,7 +2,7 @@ from django.shortcuts import get_object_or_404, render
 
 from .models import AgentAuditLog, NotificationRecord
 from apps.chat.models import Conversation
-from .services import build_detail_summary, build_history_rows
+from .services import build_detail_summary, build_history_metrics, build_history_rows
 
 
 def log_list(request):
@@ -35,11 +35,13 @@ def log_list(request):
             if (log.structured_output or {}).get("highest_risk_level") == risk_status
             or (log.structured_output or {}).get("risk_level") == risk_status
         ]
+    history_rows = build_history_rows(logs)
     return render(
         request,
         "audit/log_list.html",
         {
-            "history_rows": build_history_rows(logs),
+            "history_rows": history_rows,
+            "history_metrics": build_history_metrics(history_rows),
             "selected_scenario_id": scenario_id,
             "keyword": keyword,
             "notify_status": notify_status,