Add JSON download button for the full analysis payload

Fix invalid escape sequence SyntaxWarning in tokenizer regex

Fix stale Anthropic model id and ThinkingBlock response parsing

Fix JF CheXpert weights being silently discarded on print failure

Add loading indicator while analysis runs

Collapse file uploader into the image preview after upload

Hide heatmap plot placeholder until analysis produces one

Add requirements.txt for HF Space dependency install

Track jpg/jpeg/png via Git LFS

Fetch r2g/annotation.json alongside model weights at Space startup

Add Gradio HF Space demo: app.py, multi-provider LLM refinement, pipeline code

initial commit