Fix: go lint errors

internal/audio/metrics.go

@@ -229,14 +229,14 @@ var (
 	lastMetricsUpdate  time.Time
 
 	// Counter value tracking (since prometheus counters don't have Get() method)
-	audioFramesReceivedValue    int64
+	audioFramesReceivedValue  int64
-	audioFramesDroppedValue     int64
+	audioFramesDroppedValue   int64
-	audioBytesProcessedValue    int64
+	audioBytesProcessedValue  int64
-	audioConnectionDropsValue   int64
+	audioConnectionDropsValue int64
-	micFramesSentValue          int64
+	micFramesSentValue        int64
-	micFramesDroppedValue       int64
+	micFramesDroppedValue     int64
-	micBytesProcessedValue      int64
+	micBytesProcessedValue    int64
-	micConnectionDropsValue     int64
+	micConnectionDropsValue   int64
 )
 
 // UpdateAudioMetrics updates Prometheus metrics with current audio data

internal/audio/process_monitor.go

@@ -26,12 +26,12 @@ type ProcessMetrics struct {
 
 // ProcessMonitor monitors CPU and memory usage of processes
 type ProcessMonitor struct {
-	logger       zerolog.Logger
+	logger         zerolog.Logger
-	mutex        sync.RWMutex
+	mutex          sync.RWMutex
-	monitoredPIDs map[int]*processState
+	monitoredPIDs  map[int]*processState
-	running      bool
+	running        bool
-	stopChan     chan struct{}
+	stopChan       chan struct{}
-	metricsChan  chan ProcessMetrics
+	metricsChan    chan ProcessMetrics
 	updateInterval time.Duration
 }