feat: Radionuclides backfill job (#558)#573

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kbighorse wants to merge 16 commits intostagingfrom

558-radionuclides-backfill

Commits on Feb 28, 2026

feat: implement Radionuclides backfill job and BDD step definitions

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claude
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fix: harden chemistry backfill test cleanup

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claude
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fix: harden backfill robustness and remove misleading batch_size

kbighorse
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claude
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fix: make migration idempotent, remove batch-size drift, scope test cleanup

kbighorse
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claude
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fix: harden migration FK lookup, add row-error tracebacks, scope test tracking

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claude
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Formatting changes

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fix: scope sample assertions, normalize existing_keys case, broaden row catch

kbighorse
and
claude
committed
Formatting changes

kbighorse
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github-actions[bot]
committed

Commits on Mar 2, 2026