feat: Implement a modular skill system with hotword detection, streaming text output, and enhanced logging.

Core/StateTracker.cs

@@ -11,6 +11,7 @@ public static class StateTracker
 
     public static void SetRecording(int ffmpegPid)
     {
+        Logger.LogDebug($"Setting recording state with PID {ffmpegPid}");
         File.WriteAllText(StateFilePath, ffmpegPid.ToString());
     }
 
@@ -21,6 +22,7 @@ public static class StateTracker
             var content = File.ReadAllText(StateFilePath).Trim();
             if (int.TryParse(content, out var pid))
             {
+                Logger.LogDebug($"Read recording PID {pid} from state file");
                 return pid;
             }
         }
@@ -31,6 +33,7 @@ public static class StateTracker
     {
         if (File.Exists(StateFilePath))
         {
+            Logger.LogDebug("Clearing recording state file");
             File.Delete(StateFilePath);
         }
     }