feat: migrate BLE to NimBLE — 45% flash, 33% RAM reduction

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- Replaced ESP32 BLE Arduino with h2zero/NimBLE-Arduino@^2
- -DCONFIG_BT_NIMBLE_ENABLED to disable built-in Bluedroid
- NIMBLE_PROPERTY::* replaces BLECharacteristic::PROPERTY_* + setAccessPermissions
- BLE2902 descriptor removed (NimBLE auto-creates it)
- pService->start() removed (NimBLE starts services with server)
- setMinPreferred → setMinInterval/setMaxInterval
- onConnect/onDisconnect/onWrite get extra NimBLEConnInfo& param
- Re-advertise: BLEDevice → NimBLEDevice::startAdvertising()
- Firmware: 533KB flash (was 964KB), 29KB RAM (was 44KB)

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eddy 2026-07-29 18:58:49 +02:00

parent 42b8092807

commit 96d3620535

3 changed files with 21 additions and 25 deletions

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