Fix: linting errors

internal/audio/adaptive_optimizer.go

@@ -27,7 +27,6 @@ type AdaptiveOptimizer struct {
 
 	// Configuration
 	config OptimizerConfig
-	mutex  sync.RWMutex
 }
 
 // OptimizerConfig holds configuration for the adaptive optimizer
@@ -39,8 +38,6 @@ type OptimizerConfig struct {
 	StabilityPeriod      time.Duration // Time to wait for stability after optimization
 }
 
-
-
 // DefaultOptimizerConfig returns a sensible default configuration
 func DefaultOptimizerConfig() OptimizerConfig {
 	return OptimizerConfig{
@@ -65,8 +62,6 @@ func NewAdaptiveOptimizer(latencyMonitor *LatencyMonitor, bufferManager *Adaptiv
 		cancel:         cancel,
 	}
 
-
-	
 	// Register as latency monitor callback
 	latencyMonitor.AddOptimizationCallback(optimizer.handleLatencyOptimization)
 
@@ -89,7 +84,6 @@ func (ao *AdaptiveOptimizer) Stop() {
 
 // initializeStrategies sets up the available optimization strategies
 
-
 // handleLatencyOptimization is called when latency optimization is needed
 func (ao *AdaptiveOptimizer) handleLatencyOptimization(metrics LatencyMetrics) error {
 	currentLevel := atomic.LoadInt64(&ao.optimizationLevel)
@@ -185,7 +179,9 @@ func (ao *AdaptiveOptimizer) checkStability() {
 		currentLevel := int(atomic.LoadInt64(&ao.optimizationLevel))
 		if currentLevel > 0 {
 			ao.logger.Warn().Dur("current_latency", metrics.Current).Dur("threshold", ao.config.RollbackThreshold).Msg("Rolling back optimizations due to excessive latency")
-			ao.decreaseOptimization(currentLevel - 1)
+			if err := ao.decreaseOptimization(currentLevel - 1); err != nil {
+				ao.logger.Error().Err(err).Msg("Failed to decrease optimization level")
+			}
 		}
 	}
 }

internal/audio/buffer_pool.go

@@ -59,7 +59,7 @@ func (p *AudioBufferPool) Get() []byte {
 
 	// Try sync.Pool next
 	if buf := p.pool.Get(); buf != nil {
-		bufSlice := buf.([]byte)
+		bufPtr := buf.(*[]byte)
 		// Update pool size counter when retrieving from pool
 		p.mutex.Lock()
 		if p.currentSize > 0 {
@@ -67,7 +67,7 @@ func (p *AudioBufferPool) Get() []byte {
 		}
 		p.mutex.Unlock()
 		atomic.AddInt64(&p.hitCount, 1)
-		return bufSlice[:0] // Reset length but keep capacity
+		return (*bufPtr)[:0] // Reset length but keep capacity
 	}
 
 	// Last resort: allocate new buffer
@@ -102,7 +102,7 @@ func (p *AudioBufferPool) Put(buf []byte) {
 	}
 
 	// Return to sync.Pool
-	p.pool.Put(resetBuf)
+	p.pool.Put(&resetBuf)
 
 	// Update pool size counter
 	p.mutex.Lock()

internal/audio/input_ipc.go

@@ -73,8 +73,11 @@ var globalMessagePool = &MessagePool{
 	pool: make(chan *OptimizedIPCMessage, messagePoolSize),
 }
 
-// Initialize the message pool with pre-allocated messages
-func init() {
+var messagePoolInitOnce sync.Once
+
+// initializeMessagePool initializes the message pool with pre-allocated messages
+func initializeMessagePool() {
+	messagePoolInitOnce.Do(func() {
 		// Pre-allocate 30% of pool size for immediate availability
 		preallocSize := messagePoolSize * 30 / 100
 		globalMessagePool.preallocSize = preallocSize
@@ -95,10 +98,12 @@ func init() {
 				data: make([]byte, 0, maxFrameSize),
 			}
 		}
+	})
 }
 
 // Get retrieves a message from the pool
 func (mp *MessagePool) Get() *OptimizedIPCMessage {
+	initializeMessagePool()
 	// First try pre-allocated messages for fastest access
 	mp.mutex.Lock()
 	if len(mp.preallocated) > 0 {

internal/audio/ipc.go

@@ -102,7 +102,6 @@ var globalOutputMessagePool = NewOutputMessagePool(outputMessagePoolSize)
 type AudioServer struct {
 	// Atomic fields must be first for proper alignment on ARM
 	bufferSize    int64 // Current buffer size (atomic)
-	processingTime int64 // Average processing time in nanoseconds (atomic)
 	droppedFrames int64 // Dropped frames counter (atomic)
 	totalFrames   int64 // Total frames counter (atomic)
 
@@ -216,7 +215,10 @@ func (s *AudioServer) startProcessorGoroutine() {
 			case msg := <-s.messageChan:
 				// Process message (currently just frame sending)
 				if msg.Type == OutputMessageTypeOpusFrame {
-					s.sendFrameToClient(msg.Data)
+					if err := s.sendFrameToClient(msg.Data); err != nil {
+						// Log error but continue processing
+						atomic.AddInt64(&s.droppedFrames, 1)
+					}
 				}
 			case <-s.stopChan:
 				return

internal/audio/output_streaming.go

@@ -192,7 +192,7 @@ func (s *OutputStreamer) processingLoop() {
 		}
 	}()
 
-	for _ = range s.processingChan {
+	for range s.processingChan {
 		// Process frame (currently just receiving, but can be extended)
 		if _, err := s.client.ReceiveFrame(); err != nil {
 			if s.client.IsConnected() {