# 简化版本的搜索端点，只支持GET方法
@router.get("/{kb_id}/search")
async def search_knowledge_base(
    kb_id: int,
    query: str,
    limit: int = 5,
    db: Session = Depends(get_db),
    current_user: User = Depends(AuthService.get_current_user)
):
    """Search documents in a knowledge base."""
    try:
        # Verify knowledge base exists and user has access
        kb_service = KnowledgeBaseService(db)
        kb = kb_service.get_knowledge_base(kb_id)
        if not kb:
            raise HTTPException(
                status_code=status.HTTP_404_NOT_FOUND,
                detail="Knowledge base not found"
            )
        
        # Perform search
        doc_service = DocumentService(db)
        results = doc_service.search_documents(kb_id, query, limit)
        
        return {
            "knowledge_base_id": kb_id,
            "query": query,
            "results": results,
            "total_results": len(results)
        }
        
    except HTTPException:
        raise
    except Exception as e:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail=f"Failed to search knowledge base: {str(e)}"
        )