fix: upload reliability hardening -- retry, fault tolerance, spill cleanup#26

Merged

mickvandijke merged 12 commits intomainfrom

fix/payment-upload-hardening

Apr 3, 2026

Commits on Apr 3, 2026

fix: validate data_size on merkle candidate responses and fix direct indexing

grumbach
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mickvandijke
committed
fix: over-query 2x peers for quote collection fault tolerance

grumbach
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mickvandijke
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fix: add upload retry with exponential backoff and partial progress tracking

grumbach
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mickvandijke
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fix: preserve partial proofs on multi-batch merkle payment failure

grumbach
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mickvandijke
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fix: concurrent external signer quote collection and correct payment mode

grumbach
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mickvandijke
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test: add upload cost comparison table and 8GB memory test

grumbach
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mickvandijke
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fix: use 20 nodes for merkle, separate files to avoid AlreadyStored

grumbach
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mickvandijke
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test: upload cost comparison table (release mode, smaller sizes)

grumbach
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mickvandijke
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fix: move chunk spill from temp dir to data dir with stale cleanup

grumbach
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mickvandijke
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fix: harden spill dir cleanup with lockfile, symlink protection, and prefix

grumbach
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mickvandijke
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fix: clippy div_ceil and fmt in upload costs test

grumbach
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mickvandijke
committed
fix: move fs2::FileExt import to top of file

grumbach
authored and
mickvandijke
committed