fix: loud align() error copy for incomparable as-of keys + un-clobberable research shim#128

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helloiamvu wants to merge 5 commits into

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fix/align-byo-spine-error

Commits on Jul 15, 2026

fix(align): ContractError instead of raw MergeError for incomparable as-of knowledge columns

helloiamvu
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claude
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fix(shims): research shim survives import-system parent binding

helloiamvu
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claude
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fix(review-iter-1): gate mirrors merge_asof exactly; root research symbol stays patchable

helloiamvu
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claude
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fix(review-iter-2): drop the stale research scrub that silently un-patched user overrides

helloiamvu
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claude
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test(align): pin explicit datetime units in the resolution-mismatch test

helloiamvu
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claude
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