- Use SpooledTemporaryFile with 32 MiB spool threshold for export ZIP archives
- Add IMAP size preflight via (UID RFC822.SIZE) and cap batch payload at 10 MiB
- Enforce 64 MiB per-message ceiling and fail closed with 500 on corrupted ZIP
- Stream spooled archive chunks with generator cleanup on disconnect/cancellation
- Bypass ZIP creation for single raw EML message downloads
- Memoize account ownership checks per request to eliminate N+1 database queries
- Replace interactive image placeholders in print view with clean text notices
- Strip interactive buttons, icons, and image actions from print document
- Implement partial print success policy printing loaded items and reporting omitted
- Harden print iframe lifecycle with window afterprint listener and fallback timer
- Correct mid-batch exception accounting so exported plus skipped equals requested
- Add executable behavioral tests for limits, mid-batch accounting, and memoization
Alexandre Teixeira
c7d1555eea