fix: 修复日报模型装配并统一本地时间格式

app/service/risk_daily_report_service.py

@@ -8,9 +8,11 @@ from collections import Counter
 from collections.abc import AsyncIterator
 from datetime import UTC, datetime, time, timedelta
 from typing import Any
+from zoneinfo import ZoneInfo
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
+from app.core.config import get_settings
 from app.core.contracts import RequestContext
 from app.model.audit import InteractionAudit
 from app.repository.fund_query_repository import FundRecord
@@ -68,7 +70,7 @@ class RiskDailyReportService:
     ) -> AsyncIterator[dict[str, Any]]:
         await AuthorizationService.require(context, "risk:alert:read")
         generated_at = _utc_naive(now)
-        yield {"type": "start", "generated_at": generated_at.isoformat()}
+        yield {"type": "start", "generated_at": _local_datetime_text(generated_at)}
         yield {"type": "progress", "stage": "statistics", "message": "正在统计日报数据"}
         report = await self._build(context, generated_at)
         report["optimization_suggestions"] = ""
@@ -115,7 +117,7 @@ class RiskDailyReportService:
         return {
             "type": "风控日报",
             "report_date": generated_at.date().isoformat(),
-            "generated_at": generated_at.isoformat(),
+            "generated_at": _local_datetime_text(generated_at),
             "daily_alert_count": len(daily),
             "level_distribution": _distribution(daily, "risk_level", LEVEL_ORDER),
             "key_risk_events": key_items,
@@ -163,14 +165,20 @@ class RiskDailyReportService:
         }
 
     async def _suggestions(self, report: dict[str, Any]) -> tuple[str, str]:
-        if self.model_service is None or self.endpoint_resolver is None:
-            return self._fallback(report), "规则化模板"
+        model_service = self.model_service
+        endpoint_resolver = self.endpoint_resolver
+        if model_service is None or endpoint_resolver is None:
+            from app.service.agent.bootstrap import get_model_service
+            from app.service.model_gateway import DatabaseModelEndpointResolver
+
+            model_service = model_service or get_model_service()
+            endpoint_resolver = endpoint_resolver or DatabaseModelEndpointResolver()
         try:
-            endpoints = await self.endpoint_resolver.resolve(
+            endpoints = await endpoint_resolver.resolve(
                 agent_type="risk",
                 task_type="daily_report_suggestion",
             )
-            execution = await self.model_service.generate(
+            execution = await model_service.generate(
                 endpoints,
                 self._suggestion_prompt(report),
                 max_attempts=2,
@@ -225,8 +233,8 @@ class RiskDailyReportService:
             "status": item.get("status"),
             "ack_status": item.get("ack_status"),
             "handler_id": item.get("handler_id"),
-            "created_at": created_at.isoformat() if created_at else None,
-            "due_time": due_at.isoformat() if due_at else None,
+            "created_at": _local_datetime_text(created_at) if created_at else None,
+            "due_time": _local_datetime_text(due_at) if due_at else None,
             "is_overdue": bool(due_at and due_at <= generated_at),
             "is_escalated": bool(item.get("is_escalated")),
             "close_reason": item.get("close_reason"),
@@ -402,3 +410,10 @@ def _utc_naive(value: datetime | None) -> datetime:
     if value.tzinfo is not None:
         return value.astimezone(UTC).replace(tzinfo=None)
     return value
+
+
+def _local_datetime_text(value: datetime) -> str:
+    """把 UTC 时间转换为配置时区的常用展示格式。"""
+    aware = value.replace(tzinfo=UTC) if value.tzinfo is None else value.astimezone(UTC)
+    local_value = aware.astimezone(ZoneInfo(get_settings().timezone))
+    return local_value.strftime("%Y-%m-%d %H:%M:%S")