Added HTTP-API support, Standalone AP Support and Built-in Melodies

vesper/vesper.ino

@@ -24,8 +24,9 @@
  * 🎯 KEY FEATURES:
  *    ✅ Microsecond-precision bell timing (BellEngine)
  *    ✅ Multi-hardware support (PCF8574, GPIO, Mock)
- *    ✅ Dual network connectivity (Ethernet + WiFi)
- *    ✅ Dual Communication Support (MQTT + WebSocket)
+ *    ✅ Dual network connectivity (Ethernet + WiFi + Permanent AP Mode)
+ *    ✅ Multi-protocol communication (MQTT + WebSocket + HTTP REST API)
+ *    ✅ Web settings interface for network mode switching
  *    ✅ Real-time telemetry and load monitoring
  *    ✅ Over-the-air firmware updates
  *    ✅ SD card configuration and file management
@@ -33,8 +34,9 @@
  *    ✅ Comprehensive logging system
  *
  * 📡 COMMUNICATION PROTOCOLS:
- *    • MQTT (SSL/TLS via PubSubClient on Core 0)
+ *    • MQTT (SSL/TLS via AsyncMqttClient on Core 0)
  *    • WebSocket (Real-time web interface)
+ *    • HTTP REST API (Command execution via HTTP)
  *    • UDP Discovery (Auto-discovery service)
  *    • HTTP/HTTPS (OTA updates)
  *
@@ -351,7 +353,10 @@ void setup()
 			communication.onNetworkConnected();
 
 			// Non-blocking NTP sync (graceful without internet)
-			timekeeper.syncTimeWithNTP();
+			// Skip NTP sync in AP mode (no internet connection)
+			if (!networking.isInAPMode()) {
+				timekeeper.syncTimeWithNTP();
+			}
 
 			// Start AsyncWebServer when network becomes available (only once!)
 			if (!webServerStarted && networking.getState() != NetworkState::WIFI_PORTAL_MODE) {
@@ -370,7 +375,10 @@ void setup()
 		communication.onNetworkConnected();
 
 		// Non-blocking NTP sync (graceful without internet)
-		timekeeper.syncTimeWithNTP();
+		// Skip NTP sync in AP mode (no internet connection)
+		if (!networking.isInAPMode()) {
+			timekeeper.syncTimeWithNTP();
+		}
 
 		// 🔥 CRITICAL: Start AsyncWebServer ONLY when network is ready
 		// Do NOT start if WiFiManager portal is active (port 80 conflict!)