前端修改

requirement.txt

@@ -1,46 +1,43 @@
-# Core
-pypdf>=3.0.0
-pandas>=2.0.0
-requests>=2.31.0
-beautifulsoup4>=4.12.0
+# Core Utilities
+pypdf>=3.0.0,<4.0.0
+pandas>=2.0.0,<3.0.0
+requests>=2.31.0,<3.0.0
+beautifulsoup4>=4.12.0,<5.0.0
 
-# LangChain ecosystem
-langchain>=0.1.0
-langchain-community>=0.0.10
-# langchain-huggingface>=0.0.3  # 注释：如使用在线 Embedding API 则不需要
-langchain-core>=0.1.0
-langchain-openai>=0.0.5
-langchain-text-splitters>=0.1.0
-langchain-qdrant>=0.1.0  # Qdrant 向量存储集成
+# LangChain Ecosystem (核心框架，建议定期手动升级并测试)
+langchain>=0.1.0,<0.2.0
+langchain-community>=0.0.10,<0.1.0
+langchain-core>=0.1.0,<0.2.0
+langchain-openai>=0.0.5,<0.1.0
+langchain-text-splitters>=0.1.0,<0.2.0
+langchain-qdrant>=0.1.0,<0.2.0
 
-# Vector Database
-qdrant-client>=1.7.0  # Qdrant 客户端
+# Vector Database (Qdrant 客户端，与 langchain-qdrant 配合使用)
+qdrant-client>=1.7.0,<2.0.0
 
-# Mem0 (Memory Layer)
-mem0ai>=0.1.0
+# Memory Layer
+mem0ai>=0.1.0,<0.2.0
 
-# LangGraph
-langgraph>=0.0.30
-langgraph-checkpoint-postgres>=0.0.5
+# LangGraph (工作流编排，核心依赖)
+langgraph>=0.0.30,<0.1.0
+langgraph-checkpoint-postgres>=0.0.5,<0.1.0
 
-# ZhipuAI (智谱AI)
-zhipuai>=1.0.0
+# ZhipuAI Integration
+zhipuai>=1.0.0,<2.0.0
 
-# Backend
-fastapi>=0.109.0
-uvicorn[standard]>=0.27.0
-websockets>=12.0
+# Backend Framework
+fastapi>=0.109.0,<0.110.0
+uvicorn[standard]>=0.27.0,<0.28.0
 
-# Frontend
-streamlit>=1.30.0
+# Frontend Framework
+streamlit>=1.30.0,<2.0.0
 
-# Database
-psycopg[binary,pool]>=3.1.0
+# Database Driver
+psycopg[binary,pool]>=3.1.0,<4.0.0
 
-# Pydantic
-pydantic>=2.0.0
+# Data Validation
+pydantic>=2.0.0,<3.0.0
 
-# Utilities
-python-dotenv>=1.0.0
-typing-extensions>=4.9.0
-ipython>=8.0.0
+# Environment & Type Support
+python-dotenv>=1.0.0,<2.0.0
+typing-extensions>=4.9.0,<5.0.0