Sync single unified README.md as the only project README

Update Space README to drop deleted-file references

Restore Space README metadata

Add final submission plots and audit links

Add run4b expanded eval proof

Refresh run4b Space metadata

Promote Qwen3 8B QLoRA SFT run4b

Promote run3 checkpoint and eval artifacts

Finalize submission docs and run3 path

Upload folder using huggingface_hub

Upload folder using huggingface_hub

initial commit