refactor: 重构 AgentScope 运行时模块并优化前端附件展示

backend/src/v1/agent/router.py

@@ -28,7 +28,7 @@ from fastapi import (
     status,
 )
 from fastapi.responses import JSONResponse, StreamingResponse
-from schemas.agent.agui_input import (
+from core.agentscope.schemas.agui_input import (
     extract_latest_tool_result,
     parse_run_input,
     validate_run_request_messages_contract,
@@ -318,31 +318,6 @@ async def get_history_snapshot(
     )
 
 
-@router.get("/runs/{thread_id}/attachments/{message_id}/{attachment_index}")
-async def get_attachment_preview(
-    thread_id: str,
-    message_id: str,
-    attachment_index: int,
-    service: Annotated[AgentService, Depends(get_agent_service)],
-    current_user: Annotated[CurrentUser, Depends(get_current_user)],
-) -> StreamingResponse:
-    if attachment_index < 0:
-        raise HTTPException(status_code=422, detail="Invalid attachment index")
-    payload, mime_type = await service.get_attachment_preview(
-        thread_id=thread_id,
-        message_id=message_id,
-        attachment_index=attachment_index,
-        current_user=current_user,
-    )
-    return StreamingResponse(
-        iter([payload]),
-        media_type=mime_type,
-        headers={
-            "Cache-Control": "private, max-age=300",
-        },
-    )
-
-
 @router.get("/history")
 async def get_user_history_snapshot(
     service: Annotated[AgentService, Depends(get_agent_service)],