Update documentation and dependencies for MeshCore Open

- Replaced sqflite with shared_preferences for local key-value storage in README.md
- Updated gradle.properties to include builtInKotlin and newDsl flags
- Enhanced translation feature documentation in additional-features.md
- Modified BLE protocol documentation to include new command and response codes in ble-protocol.md
- Clarified channel management details in channels.md
- Improved chat and messaging documentation, including message path viewing and translation options in chat-and-messaging.md
- Updated contacts management details in contacts.md
- Revised map and location documentation for inferred locations and user interface changes in map-and-location.md
- Adjusted navigation flow in navigation.md to reflect changes in screen transitions
- Updated notification system details in notifications.md
- Enhanced repeater management documentation in repeater-management.md
- Clarified scanner and connection process in scanner-and-connection.md
- Reorganized settings documentation for better clarity and added new node and location settings in settings.md

documentation/ble-protocol.md

@@ -56,6 +56,7 @@ enum MeshCoreConnectionState {
     - `Lilygo`
     - `HT-`
     - `LowMesh_MC_`
+    - `NRF52`
 2. **Connect** with 15-second timeout (6 seconds on Linux)
 3. **Request MTU** 185 bytes (non-web only)
 4. **Discover services** and locate NUS
@@ -115,13 +116,15 @@ On unexpected disconnection, auto-reconnect with exponential backoff:
 | 32 | CMD_SET_CHANNEL | Set channel name and PSK |
 | 36 | CMD_SEND_TRACE_PATH | Request path trace |
 | 38 | CMD_SET_OTHER_PARAMS | Set misc parameters |
-| 39 | CMD_GET_TELEMETRY_REQ | Request sensor telemetry |
+| 39 | CMD_SEND_TELEMETRY_REQ | Request sensor telemetry |
 | 40 | CMD_GET_CUSTOM_VAR | Get custom variables |
 | 41 | CMD_SET_CUSTOM_VAR | Set a custom variable |
 | 50 | CMD_SEND_BINARY_REQ | Send binary request |
+| 56 | CMD_GET_STATS | Request companion radio stats |
 | 57 | CMD_SEND_ANON_REQ | Send anonymous request |
 | 58 | CMD_SET_AUTO_ADD_CONFIG | Set auto-add configuration |
 | 59 | CMD_GET_AUTO_ADD_CONFIG | Get auto-add configuration |
+| 61 | CMD_SET_PATH_HASH_MODE | Set path hash width (bytes per hop) |
 
 ## Response / Push Codes (Device → App)
 
@@ -145,6 +148,7 @@ On unexpected disconnection, auto-reconnect with exponential backoff:
 | 17 | RESP_CODE_CHANNEL_MSG_RECV_V3 | Incoming channel message (v3) |
 | 18 | RESP_CODE_CHANNEL_INFO | Channel definition |
 | 21 | RESP_CODE_CUSTOM_VARS | Custom variables |
+| 24 | RESP_CODE_STATS | Companion radio stats |
 | 25 | RESP_CODE_AUTO_ADD_CONFIG | Auto-add flags |
 | 0x80 | PUSH_CODE_ADVERT | Known contact re-seen |
 | 0x81 | PUSH_CODE_PATH_UPDATED | Better path found; carries the 32-byte public key of the updated contact |