Add configurable Companion Bluetooth addresses

test/README.md

@@ -96,7 +96,7 @@ does not reflect the GoogleTest count -- run the built binary directly
 | `test_lazy_persistence` | `src/helpers/LazyPersistence.h` | first-write scheduling without postponement, zero-sentinel rollover preservation, capped exponential save-failure backoff that mutations cannot defeat, and reset only after success |
 | `test_client_acl_file_transaction` | `src/helpers/ClientACLFileTransaction.h` | verified temp publication, preservation of the prior ACL on verification/rename failure, post-commit cleanup-failure handling, and recovery at every temp/backup/primary boundary |
 | `test_cad_timing` | `src/helpers/radiolib/CadTiming.h`, `LR2021SideDetectorConfig.h`, `RadioAirtime.h` | Cascade and slow-profile CAD deadlines; invalid airtime handling; bounded LR2021 side-detector parsing and LDRO recomputation |
-| `test_companion_node_prefs` | `examples/companion_radio/NodePrefs.h` | independent device power saving, RXPS, Wi-Fi, and FEM preferences; one-time migration of the regressed power-saving default |
+| `test_companion_node_prefs` | `examples/companion_radio/NodePrefs.h` | independent device power saving, RXPS, Wi-Fi, FEM, Bluetooth name, and Bluetooth address preferences; random-static address validation/generation; one-time migration of the regressed power-saving default |
 | `test_config_serializer` | `src/helpers/ConfigSerializer.cpp`, Companion `NodePrefs` | escaped config save/load, whitespace and malformed input, unknown fields, and FEM/ESP-NOW bridge-format preference round trips |
 | `test_deferred_cli_command` | `src/helpers/DeferredCliCommand.h` | copying authenticated command context, single-pending-command enforcement, clearing, and length rejection |
 | `test_host_cli_bridge` | `src/helpers/HostCliBridge.h` | bounded request/reply parsing, Base64URL serial framing, correlation preservation, one-time service-claim proofs, request-token fields, line safety, and UTF-8-safe truncation |