Update requirements.txt

requirements.txt

@@ -1,70 +1,24 @@
 gradio
 requests
-aiohappyeyeballs==2.6.1
-aiohttp==3.12.13
-aiosignal==1.3.2
-annotated-types==0.7.0
-anyio==4.9.0
-async-timeout==4.0.3
-attrs==25.3.0
-certifi==2025.6.15
-charset-normalizer==3.4.2
-click==8.2.1
-dataclasses-json==0.6.7
-distro==1.9.0
-duckduckgo_search==8.0.4
-exceptiongroup==1.3.0
-frozenlist==1.7.0
-google_search_results==2.4.2
-greenlet==3.2.3
-groq==0.29.0
-h11==0.16.0
-httpcore==1.0.9
-httpx==0.28.1
-httpx-sse==0.4.1
-idna==3.10
-jsonpatch==1.33
-jsonpointer==3.0.0
-langchain==0.3.26
-langchain-community==0.3.26
-langchain-core==0.3.66
-langchain-experimental==0.3.4
-langchain-groq==0.3.4
-langchain-text-splitters==0.3.8
-langchainhub==0.1.21
-langsmith==0.4.4
-lxml==6.0.0
-marshmallow==3.26.1
-multidict==6.6.2
-mypy_extensions==1.1.0
-numpy==2.2.6
-orjson==3.10.18
-packaging==24.2
-pandas==2.3.0
-primp==0.15.0
-propcache==0.3.2
-pydantic==2.11.7
-pydantic-settings==2.10.1
-pydantic_core==2.33.2
-python-dateutil==2.9.0.post0
-python-dotenv==1.1.1
-python-magic==0.4.27
-pytz==2025.2
-PyYAML==6.0.2
-regex==2024.11.6
-requests==2.32.4
-requests-toolbelt==1.0.0
-six==1.17.0
-sniffio==1.3.1
-SQLAlchemy==2.0.41
-tabulate==0.9.0
-tenacity==9.1.2
-tiktoken==0.9.0
-types-requests==2.32.4.20250611
-typing-inspect==0.9.0
-typing-inspection==0.4.1
-typing_extensions==4.14.0
-tzdata==2025.2
-urllib3==2.5.0
-yarl==1.20.1
-zstandard==0.23.0
+
+# --- Core agent stack ---
+langchain>=0.1.17
+langchain-community>=0.0.21
+langchain-experimental>=0.0.17      # PythonREPLTool
+langchain-groq>=0.0.5               # Groq LLM wrapper
+langchain-hub>=0.1.4                # pulls the ReAct prompt template
+
+# --- Token counting ---
+tiktoken>=0.6.0
+
+# --- Config / env helpers ---
+python-dotenv>=1.0.0
+
+# --- Web-search helper (Serper) ---
+requests>=2.31                      # Serper wrapper just calls HTTP
+
+# --- CSV / JSON loader deps ---
+pandas>=2.2
+# MIME sniffing (choose the right wheel automatically)
+python-magic!=0.4.27; sys_platform!="win32"
+python-magic-bin==0.4.14; sys_platform=="win32"