Update requirements.txt

requirements.txt

@@ -1,2 +1,18 @@
-gradio
-requests
+langgraph==0.3.2
+langchain-openai>=0.1.22
+langchain-anthropic>=0.1.23
+langchain>=0.2.14
+langchain-fireworks>=0.1.7
+python-dotenv>=1.0.1
+langchain-tavily>=0.1
+langchain-community>=0.3.23,<0.4.0
+tavily-python>=0.7.0,<0.8.0
+langchain-google-genai>=2.1.4,<3.0.0
+langchain-experimental>=0.3.4,<0.4.0
+aiosqlite>=0.21.0,<0.22.0
+langgraph-checkpoint>=2.0.25,<3.0.0
+gradio[oauth]>=5.29.0,<6.0.0
+requests>=2.32.3,<3.0.0
+pandas>=2.2.3,<3.0.0
+langgraph-prebuilt>=0.1.8,<0.2.0
+langgraph-checkpoint-sqlite>=2.0.7,<3.0.0