fix: USB/OTA update flow - version check, chunk size, UX improvements

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- MainActivity: suppress toast when activity not resumed, auto-navigate to
  Settings on new firmware
- SettingsActivity: unified BLE/USB radio buttons + single update button,
  version check before OTA, show dialog before loadFirmware, spinner timeout
- BleRelayManager: expose getEspVersion()
- OtaManager: reduce chunk size 500→248 to fit BLE MTU 255
- ESP: WRITE→WRITE_NR on OTA characteristic (was silently dropping data)
- Layout/strings: remove intro text, add method radio buttons
- Bump all firmware versions to v5

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This commit is contained in:

eddy 2026-07-30 18:59:08 +02:00

parent e05d57a32c

commit 0513e7777d

1 changed files with 67 additions and 32 deletions

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