Update requirements.txt

requirements.txt

@@ -1,33 +1,25 @@
 # ── Core framework ──────────────────────────────────────────────────────────
-langchain==0.3.7
-langchain-core==0.3.7
-langchain-community==0.3.7
-langchain-experimental==0.3.3
+langchain
+langchain-community
+langchain-experimental
 
 # ── LLM providers ───────────────────────────────────────────────────────────
-langchain-google-genai==2.0.5      # Google Gemini
-google-generativeai==0.8.3
-
-langchain-openai==0.2.3            # OpenAI GPT · xAI Grok · Meta Llama · Alibaba Qwen
-openai==1.54.3                     #   (all via OpenAI-compatible endpoints)
-
-langchain-anthropic==0.3.0         # Anthropic Claude
-anthropic==0.37.1
-
-langchain-mistralai==0.2.1         # Mistral AI
-mistralai==1.2.1
+langchain-google-genai          # Google Gemini
+langchain-openai                # OpenAI GPT · xAI Grok · Meta Llama · Alibaba Qwen
+langchain-anthropic             # Anthropic Claude
+langchain-mistralai             # Mistral AI
 
 # ── Data handling ────────────────────────────────────────────────────────────
-pandas==2.2.3
-openpyxl==3.1.5
-xlrd==2.0.1
+pandas
+openpyxl
+xlrd
 
 # ── Visualization ────────────────────────────────────────────────────────────
-matplotlib==3.9.2
-seaborn==0.13.2
-plotly==5.24.1
+matplotlib
+seaborn
+plotly
 
 # ── UI & utilities ───────────────────────────────────────────────────────────
-streamlit==1.40.1
-python-dotenv==1.0.1
-tabulate==0.9.0
+streamlit
+python-dotenv
+tabulate