feat(s3): add a blob-backed S3-compatible API#53

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pthmas wants to merge 12 commits intomainfrom

pthmas/s3-blob-export

Commits on Apr 28, 2026

feat(s3): add e2e coverage for blob-backed API
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Commits on Apr 29, 2026

Commits on Apr 30, 2026

fix(s3): address critical routing/race bugs and medium hardening

pthmas
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claude
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feat(s3): submit commitment envelope to Celestia instead of raw data

pthmas
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claude
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fix(s3): validate payload hash and check bucket before Celestia submit

pthmas
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claude
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