【WIP】[common][filesystem] Add FileIO contract suite - #9161

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sundapeng wants to merge 11 commits into

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sundapeng:fileio-contract-suite

Commits on Aug 11, 2026

[s3] Use filesystem-owned multipart write helper
sundapeng
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cd5fa1c
[common] Define provider-neutral FileIO contract
sundapeng
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010f553
[common] Isolate the FileIO contract suite
sundapeng
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39fff42
[common] Cover all FileIO contract layers
sundapeng
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99ec823
[common] Harden FileIO contract integration
sundapeng
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482f1b1
[common][s3] Fix S3 FileIO contract failures
sundapeng
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629ac72
[s3] Fix atomic write test formatting
sundapeng
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8e3afff
[common] Document FileIO behavior
sundapeng
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bd93fd6
[docs] Refine FileIO API documentation
sundapeng
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7ea57f8
[docs] Describe current FileIO usage
sundapeng
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521f814

Commits on Aug 12, 2026

[common][docs] Define object-store directory lifetime
sundapeng
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2923a61