From 4bc71e4db5e686b5af050836ef8ea151d023ec10 Mon Sep 17 00:00:00 2001
From: jxxghp <jxxghp@gmail.com>
Date: Sat, 17 Oct 2026 07:26:23 +0800
Subject: [PATCH] fix(types): narrow messaging repository boundary

---
 app/api/dependencies/agent.py | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/app/api/dependencies/agent.py b/app/api/dependencies/agent.py
index e83d16ea4..676ee82cc 100644
--- a/app/api/dependencies/agent.py
+++ b/app/api/dependencies/agent.py
@@ -1,5 +1,7 @@
 """Agent 与消息查询依赖。"""
 
+from typing import cast
+
 from fastapi import Depends
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -16,7 +18,10 @@ from app.application.messaging.chat import (
     AsyncAgentChatRepository,
     AsyncUnitOfWork,
 )
-from app.application.messaging.message import MessageQueryService
+from app.application.messaging.message import (
+    AsyncMessageQueryRepository,
+    MessageQueryService,
+)
 from app.startup.composition.context import AgentChatRuntime, HostRuntime
 
 
@@ -41,4 +46,8 @@ def get_message_query_service(
     runtime: HostRuntime = Depends(get_host_runtime),
 ) -> MessageQueryService:
     """组装消息历史异步查询服务。"""
-    return MessageQueryService(repository=runtime.messaging.repository(db))
+    repository = cast(
+        AsyncMessageQueryRepository,
+        runtime.messaging.repository(db),
+    )
+    return MessageQueryService(repository=repository)