feat: add ordered agent runtime

backend/apps/agents/tasks.py

@@ -0,0 +1,55 @@
+from datetime import timedelta
+
+from celery import shared_task
+from celery.exceptions import SoftTimeLimitExceeded
+from django.conf import settings
+from django.utils import timezone
+
+from apps.agents.models import AgentRun
+from apps.agents.services import execute_agent_run as execute_agent_run_service
+from apps.audit.models import OperationAuditLog
+
+
+@shared_task(
+    bind=True,
+    name="apps.agents.tasks.execute_agent_run",
+    soft_time_limit=600,
+    time_limit=630,
+)
+def execute_agent_run(self, run_id: int) -> None:
+    try:
+        execute_agent_run_service(run_id)
+    except SoftTimeLimitExceeded:
+        run = AgentRun.objects.get(id=run_id)
+        run.status = "timed_out"
+        run.error_code = "run_timeout"
+        run.error_message = "Agent 运行超过 10 分钟限制"
+        run.finished_at = timezone.now()
+        run.save(
+            update_fields=[
+                "status",
+                "error_code",
+                "error_message",
+                "finished_at",
+            ]
+        )
+
+
+@shared_task(name="apps.agents.tasks.cleanup_expired_agent_runs")
+def cleanup_expired_agent_runs() -> int:
+    cutoff = timezone.now() - timedelta(days=settings.AI_RUN_RETENTION_DAYS)
+    queryset = AgentRun.objects.filter(created_at__lt=cutoff)
+    count = queryset.count()
+    if count:
+        OperationAuditLog.objects.create(
+            module="agents",
+            action="cleanup_runs",
+            target_type="agent_run",
+            request_snapshot={
+                "deleted_count": count,
+                "retention_days": settings.AI_RUN_RETENTION_DAYS,
+            },
+            result="success",
+        )
+        queryset.delete()
+    return count