Add stroke-by-stroke Gaussian Splatting playback feature

docs: optimize README and app.py for GitHub & HuggingFace SEO with banner preview

Embed base64 PLY data directly into viewer iframe to fix infinite loading

Fix detail: Not Found error by using iframe srcdoc instead of temp HTML file route

Wrap generate in try-except to surface backend errors

Fix Gradio JS parameter unpacking bug

Fix viewer camera framing and add upload validation check

Embed PLY binary data directly as Base64 in iframe to bypass all network fetch and origin restrictions

Use base64 data URL for iframe to eliminate HTML escaping and URL parameter corruption

Fix URL resolution and camera auto-framing in 3D Gaussian viewer

Fix base URL resolution and template pre-loading for viewer iframe

Use pure Gradio Blocks architecture for 100% ZeroGPU compatibility and clean /file= serving

Ensure demo.launch() in __main__ for ZeroGPU @spaces.GPU function detection

Use srcdoc in iframe to prevent Gradio catch-all routing redirects

Eliminate duplicate server launching and asyncio selector warnings

Enhance PLY delivery lifecycle with dedicated /api/ply/{file_id} endpoint and Blob URL loading

Fix port 7860 binding conflict

Fix load_media_views import by embedding self-contained media_loader

Update app.py with HEIC, video, and Live Photo support

Deploy ZipSplatPlus Space