Create requirements.txt

requirements.txt

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+# --- core LLM + LangChain stack ---
+groq
+langchain>=0.3          # core LangChain
+langchain-community>=0.0.37
+langchain-groq>=0.1.6   # Groq integration for LangChain
+
+# --- retrieval & embeddings ---
+faiss-cpu>=1.8.0
+sentence-transformers>=2.7.0
+
+# --- file loaders ---
+pypdf>=3.17.0                    # PDF parsing for PyPDFLoader
+
+
+