Rewrite Space subtitle: non-Gaussian / heavy-tail product pitch

Switch default model to Qwen3-0.6B (head_dim=128, GQA); bump transformers>=4.51

Drop 'demo' suffix from page title

Fix compression-ratio display + switch to repetition-safe default prompt; align with Docker SDK manifest (Dockerfile + requirements.txt + README.md)

Update app.py

Update app.py

Create app.py