remove setName and health check (caused crashes), add isAdvertising() check

src/ble_midi_transport.cpp

@@ -95,9 +95,14 @@ bool BleMidiTransport::begin() {
     NimBLEAdvertising* adv = NimBLEDevice::getAdvertising();
     adv->addServiceUUID(BLE_MIDI_SERVICE_UUID);
     adv->setScanResponse(true);
-    adv->setName("JOC Midi");
     adv->start();
 
+    if (adv->isAdvertising()) {
+        Serial.println("[BLE] Advertising confirmed started");
+    } else {
+        Serial.println("[BLE] WARNING: isAdvertising() reports false!");
+    }
+
     initialized = true;
     Serial.println("[BLE] BLE MIDI advertising as 'JOC Midi'");
     return true;
@@ -105,15 +110,6 @@ bool BleMidiTransport::begin() {
 
 void BleMidiTransport::update() {
     client_connected = device_connected;
-    static unsigned long last_health = 0;
-    if (millis() - last_health > 30000) {
-        last_health = millis();
-        NimBLEAdvertising* adv = NimBLEDevice::getAdvertising();
-        if (adv && !adv->isAdvertising()) {
-            Serial.println("[BLE] Restarting advertising...");
-            adv->start();
-        }
-    }
 }
 
 void BleMidiTransport::on_midi_receive(std::function<void(const MidiEvent&)> callback) {