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Statically-typed configuration object (donfig retained as the config reader) - #4101

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d-v-b wants to merge 42 commits into

zarr-developers:mainfrom

d-v-b:statically-typed-config

Commits on Jun 25, 2026

docs: design spec for statically-typed config (drop donfig)

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5ac1451
docs: explain why the async_ alias is unavoidable

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a42e0da
docs: implementation plan for statically-typed config

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6ff9f65
feat(config): add frozen dataclass schema and path helpers
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e05905f
feat(config): add env-var and YAML ingest
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1d5a65e
fix(config): exclude ZARR_CONFIG meta-var from env ingest

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bba06b6
feat(config): add typed proxy with get/set/reset and deprecations
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ba98ec7
fix(config): keep context scope in sync on refresh

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f407ec6
feat(config): replace donfig with typed config object

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7e75304
fix(config): make get() honor defaults for removed deprecated keys

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aa63864
fix(config): tolerate unknown keys from env/YAML ingest

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8559593
build: drop donfig dependency, add pyyaml

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e8b781b
test(config): drift-protection + typing assertions; docs + changelog

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6cb60d5
fix(config): deep-merge YAML codecs and thread environ to config search path

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126681f
test(config): correct tmp_path annotation to pathlib.Path

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c7760e7
doc: rename changelog fragment to PR number 4101

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f3a40cb
docs: remove superpowers design docs from branch

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4b173ea
test(config): refactor to table-driven Expect/ExpectFail cases

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96fcf95
test(config): restore codecs in-place mutation guard in immutability test

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9ac3c76
test(config): verify get() overload return types match the schema

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4e66915
docs(config): document why set() is not statically value-typed

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033d117
refactor(config): prefer object over Any for pass-through values

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0379329
Merge branch 'main' into statically-typed-config
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095c4e0

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