diff --git a/pkg/mining/simulated_miner.go b/pkg/mining/simulated_miner.go
index 20a819b..92c17c8 100644
--- a/pkg/mining/simulated_miner.go
+++ b/pkg/mining/simulated_miner.go
@@ -88,17 +88,17 @@ func (m *SimulatedMiner) GetType() string {
 	return m.MinerType
 }
 
-// Install is a no-op for simulated miners.
+// if err := miner.Install(); err != nil { /* never errors */ }
 func (m *SimulatedMiner) Install() error {
 	return nil
 }
 
-// Uninstall is a no-op for simulated miners.
+// if err := miner.Uninstall(); err != nil { /* never errors */ }
 func (m *SimulatedMiner) Uninstall() error {
 	return nil
 }
 
-// Start begins the simulated mining process.
+// if err := miner.Start(config); err != nil { /* already running */ }
 func (m *SimulatedMiner) Start(config *Config) error {
 	m.mu.Lock()
 	if m.Running {
@@ -142,7 +142,6 @@ func (m *SimulatedMiner) Stop() error {
 	return nil
 }
 
-// runSimulation runs the background simulation loop.
 func (m *SimulatedMiner) runSimulation() {
 	ticker := time.NewTicker(HighResolutionInterval)
 	defer ticker.Stop()
@@ -164,7 +163,6 @@ func (m *SimulatedMiner) runSimulation() {
 	}
 }
 
-// updateHashrate generates a new hashrate value with realistic variation.
 func (m *SimulatedMiner) updateHashrate() {
 	m.mu.Lock()
 	defer m.mu.Unlock()
@@ -244,7 +242,6 @@ func (m *SimulatedMiner) updateHashrate() {
 	}
 }
 
-// simulateShare simulates finding a share.
 func (m *SimulatedMiner) simulateShare() {
 	m.mu.Lock()
 	defer m.mu.Unlock()
@@ -353,7 +350,7 @@ func (m *SimulatedMiner) AddHashratePoint(point HashratePoint) {
 	m.HashrateHistory = append(m.HashrateHistory, point)
 }
 
-// ReduceHashrateHistory reduces the history (called by manager).
+// manager.ReduceHashrateHistory(miner, time.Now())
 func (m *SimulatedMiner) ReduceHashrateHistory(now time.Time) {
 	m.mu.Lock()
 	defer m.mu.Unlock()
@@ -406,7 +403,7 @@ func (m *SimulatedMiner) GetLogs() []string {
 	return result
 }
 
-// WriteStdin simulates stdin input.
+// if err := miner.WriteStdin("h"); err != nil { /* not running */ }
 func (m *SimulatedMiner) WriteStdin(input string) error {
 	m.mu.Lock()
 	defer m.mu.Unlock()