feat: logging service

examples/logging_example/main.cpp

@@ -0,0 +1,45 @@
+#include "spore/Spore.h"
+#include "spore/services/LoggingService.h"
+#include <Arduino.h>
+
+Spore spore;
+
+void setup() {
+    // Initialize Spore framework
+    spore.setup();
+    
+    // Start the framework
+    spore.begin();
+    
+    // Demonstrate different logging levels
+    LOG_INFO(spore.ctx, "Example", "Logging example started");
+    LOG_DEBUG(spore.ctx, "Example", "This is a debug message");
+    LOG_WARN(spore.ctx, "Example", "This is a warning message");
+    LOG_ERROR(spore.ctx, "Example", "This is an error message");
+    
+    // Demonstrate logging with different components
+    LOG_INFO(spore.ctx, "Network", "WiFi connection established");
+    LOG_INFO(spore.ctx, "Cluster", "Node discovered: esp-123456");
+    LOG_INFO(spore.ctx, "API", "Server started on port 80");
+    
+    // Demonstrate event-based logging
+    LogData* logData = new LogData(LogLevel::INFO, "Example", "Event-based logging demonstration");
+    spore.ctx.fire("log/serial", logData);
+    
+    // Show that all logging now goes through the centralized system
+    LOG_INFO(spore.ctx, "Example", "All Serial.println calls have been replaced with event-based logging!");
+}
+
+void loop() {
+    // Run the Spore framework
+    spore.loop();
+    
+    // Log some periodic information
+    static unsigned long lastLog = 0;
+    if (millis() - lastLog > 5000) {
+        LOG_DEBUG(spore.ctx, "Example", "System running - Free heap: " + String(ESP.getFreeHeap()));
+        lastLog = millis();
+    }
+    
+    delay(100);
+}