feat(model): tree/tabular backend + SHAP TreeExplainer end-to-end (#246)#298

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stanlrt merged 23 commits into

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246-add-treetabular-model-backend-enable-shap-treeexplainer-end-to-end

Jun 9, 2026

Commits on Jun 8, 2026

feat(model): bind TREE_MODEL capability to fitted estimator (refs #246)
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feat(model): add TabularTreeBackend shared base (refs #246)
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feat(model): add XGBoost tree backend for .ubj models (refs #246)
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feat(transparency): gate TreeExplainer on TREE_MODEL capability (refs #246)
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feat: stamp ForwardOutput output kind for probability backends (refs #246)
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feat: skip softmax for probability forward outputs (refs #246)
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build(deps): add tree extra with xgboost (refs #246)
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test(transparency): TreeExplainer end-to-end on XGBoost backend (refs #246)
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docs(model): document tree backend + TreeExplainer support (refs #246)
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ci(infra): install tree extra so TreeExplainer tests run on CI (refs #246)
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fix: resolve pyright unused-import and config-type errors in tree wiring (refs #246)
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build(deps): rename tree extra to xgboost for per-library consistency (refs #246)
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ci: rename tree extra to xgboost and smoke-test it (refs #246)
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fix: map .ubj model source to xgboost extra in deps inference (refs #246)
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refactor(model): import xgboost_backend module for side-effect registration (refs #246)
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Commits on Jun 9, 2026