Update requirements.txt

requirements.txt

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+# Minimal dependencies for vendor-neutral Smolagents fork
+# Focus on CSV tool support and Gradio UI
+
+# Core dependencies
+gradio>=4.0.0
+python-dotenv>=1.0.0
+
+# CSV processing is built into Python stdlib
+# No additional CSV libraries needed for basic functionality
+
+# Optional: Enhanced CSV support
+pandas>=2.0.0
+
+# Agent framework - vendor neutral
+# smolagents will be our own implementation
+# transformers>=4.35.0  # Uncomment if using HuggingFace models
+
+# Optional: Additional tool support
+# requests>=2.31.0  # For web tools
+# beautifulsoup4>=4.12.0  # For HTML parsing
+# Pillow>=10.0.0  # For image tools