LFSv2 + Chunked Contacts - #2964

Draft

oltaco wants to merge 16 commits into

meshcore-dev:devfrom

oltaco:lfs2-chunked-contacts

Commits on Aug 22, 2026

add migration to LFS2, 4K blocks on ExtraFS, chunked contacts
oltaco
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8f7c0bf
reduce MAX_BLOBRECS to 40 for EXTRAFS and QSPIFLASH
oltaco
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d29cc4b
move migrateTo4K.cpp into helpers/nrf52
oltaco
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fa5b1be
move filesystem platform ifdefs into FILESYSTEM.h
oltaco
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cdcebd1
use platform agnostic filesystem in MigrateContactsToChunks
oltaco
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e8b69d6
add platform agnostic rename method to DataStore
oltaco
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3aa9b21
use atomic write pattern in IdentityStore::save methods
oltaco
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00b4bbd
add relocateFile method to DataStore
oltaco
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ccfa58e
cross-filesystem migration of contacts3 to chunked format
oltaco
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3be1ab7
refactor migrateToSecondaryFS()
oltaco
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b1ba47d
move identity to storage file system
oltaco
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67777e6
move prefs to storage filesystem
oltaco
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6a23ae0
rename ContactsChannels to storageFS
oltaco
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29be337
use atomic write in saveChannels()
oltaco
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6353122
upgrade STM32 to LFS v2.11.3
oltaco
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c6098be
stm32: fix CFG_DEBUG builds
oltaco
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0642362