Add bambu-nfc dump parse, Key-A HKDF, and spool merge.

Parse filanfc-dump/v1 zip/JSON, Bambu 1K images, and merge stickers by tray UID. dump and mifare packages stay importable for a later common library.

testdata/dumps/52d60177.json

@@ -0,0 +1 @@
+{"format":"filanfc-dump/v1","scanned_at":"2026-08-23T19:52:17.612080Z","chip_uid":"52d60177","sak":"08","atqa":"0004","tech":["android.nfc.tech.MifareClassic","android.nfc.tech.NfcA"],"sectors_ok":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15],"sectors_fail":[],"dump_hex":"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","dump_b64":"UtYBd/IIBAAFD0uyuzFekEcwMS1CMAAAR0ZHMDEAAABQRVRHAAAAAAAAAAAAAAAAAAAAAAAAh4eHaQAAAAAAAFBFVEcgVHJhbnNsdWNlbnRhsP+A6AMAAAAA4D8AAAAAQQAIAAAAAAAEAeYAAAAAAAAAAAAAAIeHh2kAAAAAAAA0ITQhhAPoAzMzMz/NzEw+L7jg6XIITnS/c3OTso57EgAAAADJAAAAAAAAAAAAAAAAAAAAAACHh4dpAAAAAAAAMjAyNl8wNF8wMl8xM18yMTIwMjYwNDAyAAAAAAAAAAAAAAAASgEAAAAAAAAAAAAAAAAAAAAAh4eHaQAAAAAAAAIAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIeHh2kAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHh4dpAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAh4eHaQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIeHh2kAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHh4dpAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAh4eHaQAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFWoncFLkjSLZxRVSIXjJZwAAAAAAAIeHh2kAAAAAAACgkvR7fd7uEa5b0yCepOrH/LyMRLFfOcSAMcY5AMjJ+5cOIV6xO1GHY4dcT23lnCsAAAAAAACHh4dpAAAAAAAAhBFK5Wo4SnZbHaTQ6gEfx2ivip9TZrR/xb+xXD9Ol/NQ38jFExjgDrnKjxKKNWZ8AAAAAAAAh4eHaQAAAAAAAI5Xm4jFNqvKJU5hYd+j7LNzV2IEqzhYnMRg1wGAZ71DqJ8V22TY5a7QqYOcRYtrOwAAAAAAAIeHh2kAAAAAAAA9U0j8i1VHOGhimx4DHSPLpKaCMH9ailHIQWusQosCTod1uMBxvAfn4993nkC461sAAAAAAACHh4dpAAAAAAAAoHzDiTavZS+5xW5GEprfdA1EuPyQLViKNn7x77X4iJW82C7vZ98OK7whVSWnPB0AAAAAAAAAh4eHaQAAAAAAAA=="}

testdata/dumps/92a80577.json

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testdata/dumps/92b6fb31.json

@@ -0,0 +1 @@
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testdata/dumps/b2d32177.json

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testdata/dumps/e27be276.json

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testdata/dumps/f28c58ed.json

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