ax(mining): replace prose accessor comments with usage examples in SimulatedMiner

AX Principle 2: comments that restate the type signature add zero information.
Nine accessor methods converted from "Foo returns the bar" to concrete call examples.

Co-Authored-By: Charon <charon@lethean.io>

pkg/mining/simulated_miner.go

@@ -82,7 +82,7 @@ func NewSimulatedMiner(config SimulatedMinerConfig) *SimulatedMiner {
 	}
 }
 
-// GetType returns the miner type identifier.
+// miner.GetType() == "simulated"
 func (m *SimulatedMiner) GetType() string {
 	return m.MinerType
 }
@@ -303,22 +303,22 @@ func (m *SimulatedMiner) GetStats(ctx context.Context) (*PerformanceMetrics, err
 	}, nil
 }
 
-// GetName returns the miner's name.
+// miner.GetName() == "sim-xmrig-001"
 func (m *SimulatedMiner) GetName() string {
 	return m.Name
 }
 
-// GetPath returns a simulated path.
+// miner.GetPath() == "/simulated/miner"
 func (m *SimulatedMiner) GetPath() string {
 	return m.Path
 }
 
-// GetBinaryPath returns a simulated binary path.
+// miner.GetBinaryPath() == "/simulated/miner/sim-miner"
 func (m *SimulatedMiner) GetBinaryPath() string {
 	return m.MinerBinary
 }
 
-// CheckInstallation returns simulated installation details.
+// details, _ := miner.CheckInstallation()  // always reports IsInstalled: true
 func (m *SimulatedMiner) CheckInstallation() (*InstallationDetails, error) {
 	return &InstallationDetails{
 		IsInstalled: true,
@@ -329,12 +329,12 @@ func (m *SimulatedMiner) CheckInstallation() (*InstallationDetails, error) {
 	}, nil
 }
 
-// GetLatestVersion returns a simulated version.
+// v, _ := miner.GetLatestVersion()  // always "1.0.0-simulated", no network call
 func (m *SimulatedMiner) GetLatestVersion() (string, error) {
 	return "1.0.0-simulated", nil
 }
 
-// GetHashrateHistory returns the hashrate history.
+// points := miner.GetHashrateHistory()  // snapshot of high-res window (last 5 min)
 func (m *SimulatedMiner) GetHashrateHistory() []HashratePoint {
 	m.mu.RLock()
 	defer m.mu.RUnlock()
@@ -344,7 +344,7 @@ func (m *SimulatedMiner) GetHashrateHistory() []HashratePoint {
 	return result
 }
 
-// AddHashratePoint adds a point to the history.
+// miner.AddHashratePoint(HashratePoint{Timestamp: now, Hashrate: 5000})
 func (m *SimulatedMiner) AddHashratePoint(point HashratePoint) {
 	m.mu.Lock()
 	defer m.mu.Unlock()
@@ -394,7 +394,7 @@ func (m *SimulatedMiner) ReduceHashrateHistory(now time.Time) {
 	m.LowResHistory = newLowRes
 }
 
-// GetLogs returns the simulated logs.
+// logs := miner.GetLogs()  // capped at 100 lines, includes share accept/reject events
 func (m *SimulatedMiner) GetLogs() []string {
 	m.mu.RLock()
 	defer m.mu.RUnlock()