LLM-backed chat via HF Inference (Gemma 3 27B) with fixed rule-based fallback

Clean up README for public Space page

Fix PDF report cursor bug; add robust file loading and richer preprocessing options

Upgrade to Gradio 5.50 (4.44 incompatible with current dependency stack)

Pin pydantic<2.11 (bool JSON schemas break gradio 4.44 api_info)

Disable ChatInterface example caching (broken with messages-format chatbot on 4.44)

Pin huggingface_hub<1.0 (HfFolder removed in 1.0 breaks gradio 4.x)

Pin Python 3.11 (audioop removed in 3.13 breaks pydub/gradio 4.x)

Initial deploy: ML Data Analysis Studio

initial commit