fix: replace Three.js WebGL studio with pure SVG — zero dependencies

fix: inline Three.js + characters.js into srcdoc iframe

fix: add allowed_paths=[sandbox_cache] to demo.launch()

fix: use file-served iframe src instead of srcdoc

fix: remove type=module from scripts — breaks THREE global in UMD build

fix: render studio in iframe srcdoc to isolate styles, pre-render on load

fix: disable SSR mode — breaks JS-heavy components (Three.js, bridge)

fix: add inference-api OAuth scope for HF Inference calls

fix: add hf_oauth: true to Space metadata

feat: Immersive Vibe Development Studio — initial release