feat!: adopt metadata-driven Zarr 3 thumbnails - #55
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Use the published copick 2.0 alpha runtime, resolve coarsest tomogram levels from OME metadata, and preserve precise errors through existing public callback shapes. BREAKING CHANGE: copick-shared-ui now requires Python 3.11, copick 2.0 alpha, NumPy 2, and Zarr 3.
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🤖 I have created a release *beep* *boop* --- ## [2.0.0-alpha.1](copick-shared-ui-v0.7.0...copick-shared-ui-v2.0.0-alpha.1) (2026-08-18) ### ⚠ BREAKING CHANGES * adopt metadata-driven Zarr 3 thumbnails ([#55](#55)) ### ✨ Features * adopt metadata-driven Zarr 3 thumbnails ([#55](#55)) ([a02ecfb](a02ecfb)) ### 🧪 Tests * establish shared UI migration gate ([#54](#54)) ([73b6f74](73b6f74)) * validate migrated thumbnail backends ([#56](#56)) ([72f94a7](72f94a7)) ### ⚙ Continuous Integration * bootstrap shared UI v2 alpha version ([a73b9c4](a73b9c4)) * configure shared UI v2 alpha releases ([#57](#57)) ([08b9087](08b9087)) --- Merging this PR will publish a copick-shared-ui alpha prerelease to PyPI. Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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Summary
copick>=2.0.0a1,<3dependency(pixmap, error)and worker callback shapes while returning clean, precise storage errorsStack
This is stack layer 2 of 4. It targets
uermel/zarr-v3-p0-test-gateand contains only the runtime/thumbnail delta above that test baseline.The run-level tomogram-selection fallback remains intentionally unchanged: when no candidate can be selected, it continues to report
No suitable tomogram found in run.Validation
c6f8e58c9d89c4d4d76208c08563ad34ed9838952666c49f43b5c0c68652f51bCloses #50
Part of #49
Part of #53