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requirements.txt

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+# Core dependencies
+gradio>=4.44.0
+pandas>=2.0.0
+openpyxl>=3.1.0
+
+# LangChain and RAG (newer modular packages)
+langchain>=0.1.0
+langchain-community>=0.0.10
+langchain-core>=0.1.0
+chromadb>=0.4.13
+sentence-transformers>=2.2.0
+
+# Embeddings and ML
+transformers>=4.30.0
+torch>=2.0.0
+
+# API and utilities
+requests>=2.31.0
+huggingface_hub>=0.24.0
+
+# SQLite workaround for HF Spaces (comment out for local dev if issues)
+pysqlite3-binary>=0.5.0;platform_system=="Linux"