Add PTB-XL dataset support (ECG) - #1187

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AxelNoun:feat/ptbxl-dataset

Commits on Aug 18, 2026

feat(datasets): add PTB-XL ECG loader and YAML config

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2cf92f6
feat: add PTB-XL 5-superclass task and strat_fold split

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f4cf33e
test: add PTB-XL synthetic fixtures and end-to-end coverage

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95ec5c4
docs: add PTB-XL API pages and quickstart example

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2d10c69
fix(datasets): isolate PTB-XL cache identity and write metadata atomically

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6e9ef58
fix(tasks): keep PTB-XL task cache keys stable and emit integer ages

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refactor(datasets): avoid decoding samples in split_by_strat_fold

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test: cover PTB-XL set_task, cache isolation, and age sentinels

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ce76939
docs: correct PTB-XL v1.0.3 counts, label order, and API toctree

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be6fb1c
fix(datasets): keep split_by_strat_fold re-export alias for ruff F401

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b1e1891
fix(datasets): keep PTBXLDataset.root as the user data path

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a8fb194
feat(datasets): add check_patient_disjoint to split_by_strat_fold

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