ci / docker (push) Successful in 12s
- sha256+crc32 hashed during upload streaming; unique index per album - duplicate content returns the existing photo (race-safe via 23505) - client hashes locally (WebCrypto) and skips the transfer entirely for content the album already has - zip downloads stream S3->response directly using the stored crc32; pre-hash photos spool once and self-heal (crc via zip, sha via reprocess) - upload UI: overall progress bar, bytes, live speed, ETA