feat: Expose `isMergeKey` and `MERGE_KEY` `const`ant#651

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danielbayley wants to merge 4 commits intoeemeli:mainfrom

danielbayley:utils

Commits on Jan 10, 2026

feat: Expose `isMergeKey` as util
danielbayley
committed

Commits on Jan 15, 2026

feat: export `MERGE_KEY` constant
danielbayley
committed

Commits on Jan 16, 2026

style: reuse `MERGE_KEY` regex
danielbayley
committed

Commits on Jan 20, 2026

refactor: move merge key `export`s to identity
danielbayley
committed