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Add opt-in lossless TIFF compression for materialized outputs - #129
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Adds declaration-owned
TiffConfigwith NONE and DEFLATE choices and levels 1–9. The effective setting travels throughProcessingContextand applies only to disk TIFF writes, including named image and label artifacts and ordinary main-flow image materialization. Non-TIFF outputs retain existing writer kwargs; uncompressed remains the default.PolyStore PR OpenHCSDev/PolyStore#11 is merged and published as v0.2.19. This branch requires
polystore>=0.2.19,<0.3and pins its submodule to the release commit. The generated configuration reference and practitioner storage explanation are updated, with a page-by-page authority review indocs/audits/pr129_tiff_compression_review_20260924.md.Validation: 236 affected tests passed in the initial implementation pass, including real compressed TIFF readback and exact pixel equality. After the field-help repair, 15 focused documentation, MCP, and output tests passed; the documentation validator and warning-free Sphinx build passed. Following the release-floor update, the focused TIFF-output tests passed and documentation validation passed for 155 audited sources. A website-only CI import boundary was corrected by making its execution DTO import type-only; the website catalog and 23 website tests pass. Full PR CI is rerunning. No whole-plate size or runtime savings are claimed.