[iChubai]

Summary

Align WonderWorld's published model description with its existing renderer: gsplat supplies differentiable projections and sorted tile intersections, while native Triton kernels provide RGB/alpha compositing and opacity-crossing median depth.

The English/Chinese pages describe the shared alpha cap, terminal-surface contribution, subpixel tile coverage, gradient contracts and continuation coverage. Visible room-replay holes and incomplete full-pipeline parity remain explicit.

Scope

• Model: wonderworld; catalog notes, runtime-profile notes and paired model pages.
• Refresh generated model recipe data from the updated catalog/profile.
• No Python, CUDA, CLI, checkpoint, environment requirement or validation-status changes.

Runtime And Assets

The documented implementation already exists in worldfoundry/core/geometry/surfels.py and worldfoundry/core/kernels/triton_gaussian_raster.py, with contracts in the maintained Gaussian tests. This documentation-only change requires no model assets or GPU execution.

Validation

Command	Result
python docs/fumadocs/scripts/generate-model-recipes.py	Generated the updated recipe data
python docs/fumadocs/scripts/generate-model-recipes.py --check	Passed
python -m pytest -q tests/core/test_model_docs_codegen.py::test_default_launch_contract_uses_its_variant_artifacts tests/core/test_model_docs_codegen.py::test_checkpoint_structure_validation_is_static	2 passed
python -m pre_commit run	Passed, including repository lint
make pr-check BASE_REF=origin/main	Passed; no Python changes; DCO valid
npm --prefix docs/fumadocs run build	Production static build passed

API metadata, model recipe/home-page data, benchmark data and catalog-coverage checks also passed. The authored English/Chinese pages remain paired.

Known Limitations

Existing translated/rolled room boundary holes and surface fragmentation remain documented. Full official pipeline parity and performance validation remain pending; this PR does not add numerical or GPU evidence.

Contribution Requirements

• One focused documentation/metadata correction.
• Paired English/Chinese pages and generated recipe data are updated.
• Upstream attribution is retained.
• No credentials, checkpoints, caches or run artifacts are committed.
• The contribution commit has a DCO sign-off.

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