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[feat] Archive Subsystem (Streaming ZIP & SHA-256) and Restore Engine #48

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opened 2026-08-30 17:58:52 +03:00 by jalmari · 1 comment
jalmari commented 2026-08-30 17:58:52 +03:00
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#44: [spec] Port MailSweep to Synchronous Rust

What to build

Implement the streaming archive subsystem that downloads RFC 822 .eml messages directly into timestamped .zip archives with on-the-fly SHA-256 calculation, manifest verification, and the atomic restore engine.

Acceptance criteria

  • Streaming RFC 822 .eml message extractor directly into timestamped .zip archives.
  • Simultaneous on-the-fly SHA-256 checksum calculation and .sha256 manifest generation.
  • Verification routine confirming archive checksum before allowing destructive cleanup.
  • Restore engine reading .zip archives and relocating messages from Trash back to original destination folders.
  • cargo test, cargo fmt --check, and cargo clippy --all-targets --all-features -- -D warnings pass with 0 warnings.

Blocked by

  • #45: [feat] Core Domain Types, Configuration & RFC Codecs
## Parent #44: [spec] Port MailSweep to Synchronous Rust ## What to build Implement the streaming archive subsystem that downloads RFC 822 `.eml` messages directly into timestamped `.zip` archives with on-the-fly SHA-256 calculation, manifest verification, and the atomic restore engine. ## Acceptance criteria - [ ] Streaming RFC 822 `.eml` message extractor directly into timestamped `.zip` archives. - [ ] Simultaneous on-the-fly `SHA-256` checksum calculation and `.sha256` manifest generation. - [ ] Verification routine confirming archive checksum before allowing destructive cleanup. - [ ] Restore engine reading `.zip` archives and relocating messages from Trash back to original destination folders. - [ ] `cargo test`, `cargo fmt --check`, and `cargo clippy --all-targets --all-features -- -D warnings` pass with 0 warnings. ## Blocked by - #45: [feat] Core Domain Types, Configuration & RFC Codecs
jalmari commented 2026-08-30 18:33:22 +03:00
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Implemented streaming ZIP archive creation with on-the-fly SHA-256 calculation, manifest generation, integrity verification, and the atomic restore engine. All 36 unit and integration tests pass with zero clippy warnings.

Implemented streaming ZIP archive creation with on-the-fly SHA-256 calculation, manifest generation, integrity verification, and the atomic restore engine. All 36 unit and integration tests pass with zero clippy warnings.
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Blocks
#49 [feat] Mailbox Pipeline & Safety Auditor (End-to-End Orchestrator)
Lavisys/mailsweep
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#45 [feat] Core Domain Types, Configuration & RFC Codecs
Lavisys/mailsweep
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Lavisys/mailsweep#48
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