Unexport struct methods

pkg/instance/instance.go

@@ -12,29 +12,27 @@ import (
 
 // Instance represents a running instance of the llama server
 type Instance struct {
-	// Immutable identity (no locking needed after creation)
 	Name    string `json:"name"`
 	Created int64  `json:"created,omitempty"` // Unix timestamp when the instance was created
 
-	// Mutable state - each owns its own lock
-	status  *status  `json:"-"` // unexported - status owns its lock
-	options *options `json:"-"` // unexported - options owns its lock
-
-	// Global configuration (read-only, no lock needed)
+	// Global configuration
 	globalInstanceSettings *config.InstancesConfig
 	globalBackendSettings  *config.BackendConfig
 	localNodeName          string `json:"-"` // Name of the local node for remote detection
 
-	// Components (can be nil for remote instances or when stopped)
-	process *process `json:"-"` // nil for remote instances, nil when stopped
-	proxy   *proxy   `json:"-"` // nil for remote instances, created on demand
-	logger  *logger  `json:"-"` // nil for remote instances
+	status  *status  `json:"-"`
+	options *options `json:"-"`
+
+	// Components (can be nil for remote instances)
+	process *process `json:"-"`
+	proxy   *proxy   `json:"-"`
+	logger  *logger  `json:"-"`
 }
 
-// New creates a new instance with the given name, log path, and options
+// New creates a new instance with the given name, log path, options and local node name
 func New(name string, globalBackendSettings *config.BackendConfig, globalInstanceSettings *config.InstancesConfig, opts *Options, localNodeName string, onStatusChange func(oldStatus, newStatus Status)) *Instance {
 	// Validate and copy options
-	opts.ValidateAndApplyDefaults(name, globalInstanceSettings)
+	opts.validateAndApplyDefaults(name, globalInstanceSettings)
 
 	// Create status wrapper
 	status := newStatus(Stopped)
@@ -54,45 +52,76 @@ func New(name string, globalBackendSettings *config.BackendConfig, globalInstanc
 	}
 
 	// Only create logger, proxy, and process for local instances
-	// Remote instances are metadata only (no logger, proxy, or process)
 	if !instance.IsRemote() {
-		instance.logger = NewLogger(name, globalInstanceSettings.LogsDir)
-		instance.proxy = NewProxy(instance)
+		instance.logger = newLogger(name, globalInstanceSettings.LogsDir)
+		instance.proxy = newProxy(instance)
 		instance.process = newProcess(instance)
 	}
 
 	return instance
 }
 
-// GetOptions returns the current options, delegating to options component
+// Start starts the instance
+func (i *Instance) Start() error {
+	if i.process == nil {
+		return fmt.Errorf("instance %s has no process component (remote instances cannot be started locally)", i.Name)
+	}
+	return i.process.start()
+}
+
+// Stop stops the instance
+func (i *Instance) Stop() error {
+	if i.process == nil {
+		return fmt.Errorf("instance %s has no process component (remote instances cannot be stopped locally)", i.Name)
+	}
+	return i.process.stop()
+}
+
+// Restart restarts the instance
+func (i *Instance) Restart() error {
+	if i.process == nil {
+		return fmt.Errorf("instance %s has no process component (remote instances cannot be restarted locally)", i.Name)
+	}
+	return i.process.restart()
+}
+
+// WaitForHealthy waits for the instance to become healthy
+func (i *Instance) WaitForHealthy(timeout int) error {
+	if i.process == nil {
+		return fmt.Errorf("instance %s has no process component (remote instances cannot be health checked locally)", i.Name)
+	}
+	return i.process.waitForHealthy(timeout)
+}
+
+// GetOptions returns the current options
 func (i *Instance) GetOptions() *Options {
 	if i.options == nil {
 		return nil
 	}
-	return i.options.Get()
+	return i.options.get()
 }
 
-// GetStatus returns the current status, delegating to status component
+// GetStatus returns the current status
 func (i *Instance) GetStatus() Status {
 	if i.status == nil {
 		return Stopped
 	}
-	return i.status.Get()
+	return i.status.get()
 }
 
-// SetStatus sets the status, delegating to status component
+// SetStatus sets the status
 func (i *Instance) SetStatus(s Status) {
 	if i.status != nil {
-		i.status.Set(s)
+		i.status.set(s)
 	}
 }
 
-// IsRunning returns true if the status is Running, delegating to status component
+// IsRunning returns true if the status is Running
 func (i *Instance) IsRunning() bool {
 	if i.status == nil {
 		return false
 	}
-	return i.status.IsRunning()
+	return i.status.isRunning()
 }
 
 func (i *Instance) GetPort() int {
@@ -137,7 +166,7 @@ func (i *Instance) GetHost() string {
 	return ""
 }
 
-// SetOptions sets the options, delegating to options component
+// SetOptions sets the options
 func (i *Instance) SetOptions(opts *Options) {
 	if opts == nil {
 		log.Println("Warning: Attempted to set nil options on instance", i.Name)
@@ -145,32 +174,31 @@ func (i *Instance) SetOptions(opts *Options) {
 	}
 
 	// Preserve the original nodes to prevent changing instance location
-	if i.options != nil && i.options.Get() != nil && i.options.Get().Nodes != nil {
-		opts.Nodes = i.options.Get().Nodes
+	if i.options != nil && i.options.get() != nil && i.options.get().Nodes != nil {
+		opts.Nodes = i.options.get().Nodes
 	}
 
 	// Validate and copy options
-	opts.ValidateAndApplyDefaults(i.Name, i.globalInstanceSettings)
+	opts.validateAndApplyDefaults(i.Name, i.globalInstanceSettings)
 
 	if i.options != nil {
-		i.options.Set(opts)
+		i.options.set(opts)
 	}
 
 	// Clear the proxy so it gets recreated with new options
 	if i.proxy != nil {
-		i.proxy.clearProxy()
+		i.proxy.clear()
 	}
 }
 
 // SetTimeProvider sets a custom time provider for testing
-// Delegates to the Proxy component
 func (i *Instance) SetTimeProvider(tp TimeProvider) {
 	if i.proxy != nil {
-		i.proxy.SetTimeProvider(tp)
+		i.proxy.setTimeProvider(tp)
 	}
 }
 
-// GetProxy returns the reverse proxy for this instance, delegating to Proxy component
+// GetProxy returns the reverse proxy for this instance
 func (i *Instance) GetProxy() (*httputil.ReverseProxy, error) {
 	if i.proxy == nil {
 		return nil, fmt.Errorf("instance %s has no proxy component", i.Name)
@@ -184,7 +212,93 @@ func (i *Instance) GetProxy() (*httputil.ReverseProxy, error) {
 		}
 	}
 
-	return i.proxy.GetProxy()
+	return i.proxy.get()
+}
+
+func (i *Instance) IsRemote() bool {
+	opts := i.GetOptions()
+	if opts == nil {
+		return false
+	}
+
+	// If no nodes specified, it's a local instance
+	if len(opts.Nodes) == 0 {
+		return false
+	}
+
+	// If the local node is in the nodes map, treat it as a local instance
+	if _, isLocal := opts.Nodes[i.localNodeName]; isLocal {
+		return false
+	}
+
+	// Otherwise, it's a remote instance
+	return true
+}
+
+// GetLogs retrieves the last n lines of logs from the instance
+func (i *Instance) GetLogs(num_lines int) (string, error) {
+	if i.logger == nil {
+		return "", fmt.Errorf("instance %s has no logger (remote instances don't have logs)", i.Name)
+	}
+	return i.logger.getLogs(num_lines)
+}
+
+// LastRequestTime returns the last request time as a Unix timestamp
+func (i *Instance) LastRequestTime() int64 {
+	if i.proxy == nil {
+		return 0
+	}
+	return i.proxy.getLastRequestTime()
+}
+
+// UpdateLastRequestTime updates the last request access time for the instance via proxy
+func (i *Instance) UpdateLastRequestTime() {
+	if i.proxy != nil {
+		i.proxy.updateLastRequestTime()
+	}
+}
+
+// ShouldTimeout checks if the instance should timeout based on idle time
+func (i *Instance) ShouldTimeout() bool {
+	if i.proxy == nil {
+		return false
+	}
+	return i.proxy.shouldTimeout()
+}
+
+// getBackendHostPort extracts the host and port from instance options
+// Returns the configured host and port for the backend
+func (i *Instance) getBackendHostPort() (string, int) {
+	opts := i.GetOptions()
+	if opts == nil {
+		return "localhost", 0
+	}
+
+	var host string
+	var port int
+	switch opts.BackendType {
+	case backends.BackendTypeLlamaCpp:
+		if opts.LlamaServerOptions != nil {
+			host = opts.LlamaServerOptions.Host
+			port = opts.LlamaServerOptions.Port
+		}
+	case backends.BackendTypeMlxLm:
+		if opts.MlxServerOptions != nil {
+			host = opts.MlxServerOptions.Host
+			port = opts.MlxServerOptions.Port
+		}
+	case backends.BackendTypeVllm:
+		if opts.VllmServerOptions != nil {
+			host = opts.VllmServerOptions.Host
+			port = opts.VllmServerOptions.Port
+		}
+	}
+
+	if host == "" {
+		host = "localhost"
+	}
+
+	return host, port
 }
 
 // MarshalJSON implements json.Marshaler for Instance
@@ -209,7 +323,6 @@ func (i *Instance) MarshalJSON() ([]byte, error) {
 		}
 	}
 
-	// Explicitly serialize to maintain backward compatible JSON format
 	return json.Marshal(&struct {
 		Name          string   `json:"name"`
 		Status        *status  `json:"status"`
@@ -247,9 +360,9 @@ func (i *Instance) UnmarshalJSON(data []byte) error {
 
 	// Handle options with validation and defaults
 	if i.options != nil {
-		opts := i.options.Get()
+		opts := i.options.get()
 		if opts != nil {
-			opts.ValidateAndApplyDefaults(i.Name, i.globalInstanceSettings)
+			opts.validateAndApplyDefaults(i.Name, i.globalInstanceSettings)
 		}
 	}
 
@@ -262,13 +375,12 @@ func (i *Instance) UnmarshalJSON(data []byte) error {
 	}
 
 	// Only create logger, proxy, and process for non-remote instances
-	// Remote instances are metadata only (no logger, proxy, or process)
 	if !i.IsRemote() {
 		if i.logger == nil && i.globalInstanceSettings != nil {
-			i.logger = NewLogger(i.Name, i.globalInstanceSettings.LogsDir)
+			i.logger = newLogger(i.Name, i.globalInstanceSettings.LogsDir)
 		}
 		if i.proxy == nil {
-			i.proxy = NewProxy(i)
+			i.proxy = newProxy(i)
 		}
 		if i.process == nil {
 			i.process = newProcess(i)
@@ -277,106 +389,3 @@ func (i *Instance) UnmarshalJSON(data []byte) error {
 
 	return nil
 }
-
-func (i *Instance) IsRemote() bool {
-	opts := i.GetOptions()
-	if opts == nil {
-		return false
-	}
-
-	// If no nodes specified, it's a local instance
-	if len(opts.Nodes) == 0 {
-		return false
-	}
-
-	// If the local node is in the nodes map, treat it as a local instance
-	if _, isLocal := opts.Nodes[i.localNodeName]; isLocal {
-		return false
-	}
-
-	// Otherwise, it's a remote instance
-	return true
-}
-
-func (i *Instance) GetLogs(num_lines int) (string, error) {
-	if i.logger == nil {
-		return "", fmt.Errorf("instance %s has no logger (remote instances don't have logs)", i.Name)
-	}
-	return i.logger.GetLogs(num_lines)
-}
-
-// Start starts the instance, delegating to process component
-func (i *Instance) Start() error {
-	if i.process == nil {
-		return fmt.Errorf("instance %s has no process component (remote instances cannot be started locally)", i.Name)
-	}
-	return i.process.Start()
-}
-
-// Stop stops the instance, delegating to process component
-func (i *Instance) Stop() error {
-	if i.process == nil {
-		return fmt.Errorf("instance %s has no process component (remote instances cannot be stopped locally)", i.Name)
-	}
-	return i.process.Stop()
-}
-
-// Restart restarts the instance, delegating to process component
-func (i *Instance) Restart() error {
-	if i.process == nil {
-		return fmt.Errorf("instance %s has no process component (remote instances cannot be restarted locally)", i.Name)
-	}
-	return i.process.Restart()
-}
-
-// WaitForHealthy waits for the instance to become healthy, delegating to process component
-func (i *Instance) WaitForHealthy(timeout int) error {
-	if i.process == nil {
-		return fmt.Errorf("instance %s has no process component (remote instances cannot be health checked locally)", i.Name)
-	}
-	return i.process.WaitForHealthy(timeout)
-}
-
-// LastRequestTime returns the last request time as a Unix timestamp
-// Delegates to the Proxy component
-func (i *Instance) LastRequestTime() int64 {
-	if i.proxy == nil {
-		return 0
-	}
-	return i.proxy.LastRequestTime()
-}
-
-// getBackendHostPort extracts the host and port from instance options
-// Returns the configured host and port for the backend
-func (i *Instance) getBackendHostPort() (string, int) {
-	opts := i.GetOptions()
-	if opts == nil {
-		return "localhost", 0
-	}
-
-	var host string
-	var port int
-	switch opts.BackendType {
-	case backends.BackendTypeLlamaCpp:
-		if opts.LlamaServerOptions != nil {
-			host = opts.LlamaServerOptions.Host
-			port = opts.LlamaServerOptions.Port
-		}
-	case backends.BackendTypeMlxLm:
-		if opts.MlxServerOptions != nil {
-			host = opts.MlxServerOptions.Host
-			port = opts.MlxServerOptions.Port
-		}
-	case backends.BackendTypeVllm:
-		if opts.VllmServerOptions != nil {
-			host = opts.VllmServerOptions.Host
-			port = opts.VllmServerOptions.Port
-		}
-	}
-
-	if host == "" {
-		host = "localhost"
-	}
-
-	return host, port
-}

pkg/instance/logger.go

@@ -18,15 +18,15 @@ type logger struct {
 	mu          sync.RWMutex
 }
 
-func NewLogger(name string, logDir string) *logger {
+func newLogger(name string, logDir string) *logger {
 	return &logger{
 		name:   name,
 		logDir: logDir,
 	}
 }
 
-// Create creates and opens the log files for stdout and stderr
-func (i *logger) Create() error {
+// create creates and opens the log files for stdout and stderr
+func (i *logger) create() error {
 	i.mu.Lock()
 	defer i.mu.Unlock()
 
@@ -56,8 +56,8 @@ func (i *logger) Create() error {
 	return nil
 }
 
-// GetLogs retrieves the last n lines of logs from the instance
-func (i *logger) GetLogs(num_lines int) (string, error) {
+// getLogs retrieves the last n lines of logs from the instance
+func (i *logger) getLogs(num_lines int) (string, error) {
 	i.mu.RLock()
 	defer i.mu.RUnlock()
 
@@ -97,8 +97,8 @@ func (i *logger) GetLogs(num_lines int) (string, error) {
 	return strings.Join(lines[start:], "\n"), nil
 }
 
-// closeLogFile closes the log files
-func (i *logger) Close() {
+// close closes the log files
+func (i *logger) close() {
 	i.mu.Lock()
 	defer i.mu.Unlock()
 

pkg/instance/options.go

@@ -51,15 +51,15 @@ func newOptions(opts *Options) *options {
 	}
 }
 
-// Get returns a copy of the current options
-func (o *options) Get() *Options {
+// get returns a copy of the current options
+func (o *options) get() *Options {
 	o.mu.RLock()
 	defer o.mu.RUnlock()
 	return o.opts
 }
 
-// Set updates the options
-func (o *options) Set(opts *Options) {
+// set updates the options
+func (o *options) set(opts *Options) {
 	o.mu.Lock()
 	defer o.mu.Unlock()
 	o.opts = opts
@@ -222,8 +222,8 @@ func (c *Options) MarshalJSON() ([]byte, error) {
 	return json.Marshal(aux)
 }
 
-// ValidateAndApplyDefaults validates the instance options and applies constraints
-func (c *Options) ValidateAndApplyDefaults(name string, globalSettings *config.InstancesConfig) {
+// validateAndApplyDefaults validates the instance options and applies constraints
+func (c *Options) validateAndApplyDefaults(name string, globalSettings *config.InstancesConfig) {
 	// Validate and apply constraints
 	if c.MaxRestarts != nil && *c.MaxRestarts < 0 {
 		log.Printf("Instance %s MaxRestarts value (%d) cannot be negative, setting to 0", name, *c.MaxRestarts)
@@ -261,7 +261,8 @@ func (c *Options) ValidateAndApplyDefaults(name string, globalSettings *config.I
 	}
 }
 
-func (c *Options) GetCommand(backendConfig *config.BackendSettings) string {
+// getCommand builds the command to run the backend
+func (c *Options) getCommand(backendConfig *config.BackendSettings) string {
 
 	if backendConfig.Docker != nil && backendConfig.Docker.Enabled && c.BackendType != backends.BackendTypeMlxLm {
 		return "docker"
@@ -270,8 +271,8 @@ func (c *Options) GetCommand(backendConfig *config.BackendSettings) string {
 	return backendConfig.Command
 }
 
-// BuildCommandArgs builds command line arguments for the backend
-func (c *Options) BuildCommandArgs(backendConfig *config.BackendSettings) []string {
+// buildCommandArgs builds command line arguments for the backend
+func (c *Options) buildCommandArgs(backendConfig *config.BackendSettings) []string {
 
 	var args []string
 
@@ -314,7 +315,8 @@ func (c *Options) BuildCommandArgs(backendConfig *config.BackendSettings) []stri
 	return args
 }
 
-func (c *Options) BuildEnvironment(backendConfig *config.BackendSettings) map[string]string {
+// buildEnvironment builds the environment variables for the backend process
+func (c *Options) buildEnvironment(backendConfig *config.BackendSettings) map[string]string {
 	env := map[string]string{}
 
 	if backendConfig.Environment != nil {

pkg/instance/process.go

@@ -17,7 +17,7 @@ import (
 	"llamactl/pkg/config"
 )
 
-// process manages the OS process lifecycle for a local instance (unexported).
+// process manages the OS process lifecycle for a local instance.
 // process owns its complete lifecycle including auto-restart logic.
 type process struct {
 	instance *Instance // Back-reference for SetStatus, GetOptions
@@ -28,7 +28,7 @@ type process struct {
 	cancel        context.CancelFunc
 	stdout        io.ReadCloser
 	stderr        io.ReadCloser
-	restarts      int               // process owns restart counter
+	restarts      int
 	restartCancel context.CancelFunc
 	monitorDone   chan struct{}
 }
@@ -40,8 +40,8 @@ func newProcess(instance *Instance) *process {
 	}
 }
 
-// Start starts the OS process and returns an error if it fails.
-func (p *process) Start() error {
+// start starts the OS process and returns an error if it fails.
+func (p *process) start() error {
 	p.mu.Lock()
 	defer p.mu.Unlock()
 
@@ -62,14 +62,14 @@ func (p *process) Start() error {
 
 	// Initialize last request time to current time when starting
 	if p.instance.proxy != nil {
-		p.instance.proxy.UpdateLastRequestTime()
+		p.instance.proxy.updateLastRequestTime()
 	}
 
 	// Create context before building command (needed for CommandContext)
 	p.ctx, p.cancel = context.WithCancel(context.Background())
 
 	// Create log files
-	if err := p.instance.logger.Create(); err != nil {
+	if err := p.instance.logger.create(); err != nil {
 		return fmt.Errorf("failed to create log files: %w", err)
 	}
 
@@ -87,13 +87,13 @@ func (p *process) Start() error {
 	var err error
 	p.stdout, err = p.cmd.StdoutPipe()
 	if err != nil {
-		p.instance.logger.Close()
+		p.instance.logger.close()
 		return fmt.Errorf("failed to get stdout pipe: %w", err)
 	}
 	p.stderr, err = p.cmd.StderrPipe()
 	if err != nil {
 		p.stdout.Close()
-		p.instance.logger.Close()
+		p.instance.logger.close()
 		return fmt.Errorf("failed to get stderr pipe: %w", err)
 	}
 
@@ -114,8 +114,8 @@ func (p *process) Start() error {
 	return nil
 }
 
-// Stop terminates the subprocess without restarting
-func (p *process) Stop() error {
+// stop terminates the subprocess without restarting
+func (p *process) stop() error {
 	p.mu.Lock()
 
 	if !p.instance.IsRunning() {
@@ -152,7 +152,7 @@ func (p *process) Stop() error {
 
 	// If no process exists, we can return immediately
 	if p.cmd == nil || monitorDone == nil {
-		p.instance.logger.Close()
+		p.instance.logger.close()
 		return nil
 	}
 
@@ -178,15 +178,15 @@ func (p *process) Stop() error {
 		}
 	}
 
-	p.instance.logger.Close()
+	p.instance.logger.close()
 
 	return nil
 }
 
-// Restart manually restarts the process (resets restart counter)
-func (p *process) Restart() error {
+// restart manually restarts the process (resets restart counter)
+func (p *process) restart() error {
 	// Stop the process first
-	if err := p.Stop(); err != nil {
+	if err := p.stop(); err != nil {
 		// If it's not running, that's ok - we'll just start it
 		if err.Error() != fmt.Sprintf("instance %s is not running", p.instance.Name) {
 			return fmt.Errorf("failed to stop instance during restart: %w", err)
@@ -199,11 +199,11 @@ func (p *process) Restart() error {
 	p.mu.Unlock()
 
 	// Start the process
-	return p.Start()
+	return p.start()
 }
 
-// WaitForHealthy waits for the process to become healthy
-func (p *process) WaitForHealthy(timeout int) error {
+// waitForHealthy waits for the process to become healthy
+func (p *process) waitForHealthy(timeout int) error {
 	if !p.instance.IsRunning() {
 		return fmt.Errorf("instance %s is not running", p.instance.Name)
 	}
@@ -284,7 +284,7 @@ func (p *process) monitorProcess() {
 	}
 
 	p.instance.SetStatus(Stopped)
-	p.instance.logger.Close()
+	p.instance.logger.close()
 
 	// Cancel any existing restart context since we're handling a new exit
 	if p.restartCancel != nil {
@@ -373,7 +373,7 @@ func (p *process) handleAutoRestart(err error) {
 	}
 
 	// Restart the instance
-	if err := p.Start(); err != nil {
+	if err := p.start(); err != nil {
 		log.Printf("Failed to restart instance %s: %v", p.instance.Name, err)
 	} else {
 		log.Printf("Successfully restarted instance %s", p.instance.Name)
@@ -399,13 +399,13 @@ func (p *process) buildCommand() (*exec.Cmd, error) {
 	}
 
 	// Build the environment variables
-	env := opts.BuildEnvironment(backendConfig)
+	env := opts.buildEnvironment(backendConfig)
 
 	// Get the command to execute
-	command := opts.GetCommand(backendConfig)
+	command := opts.getCommand(backendConfig)
 
 	// Build command arguments
-	args := opts.BuildCommandArgs(backendConfig)
+	args := opts.buildCommandArgs(backendConfig)
 
 	// Create the exec.Cmd
 	cmd := exec.CommandContext(p.ctx, command, args...)

pkg/instance/proxy.go

@@ -25,7 +25,7 @@ func (realTimeProvider) Now() time.Time {
 
 // proxy manages HTTP reverse proxy and request tracking for an instance.
 type proxy struct {
-	process *Instance // Owner reference - Proxy is owned by Process
+	instance *Instance
 
 	mu              sync.RWMutex
 	proxy           *httputil.ReverseProxy
@@ -35,44 +35,44 @@ type proxy struct {
 	timeProvider    TimeProvider
 }
 
-// NewProxy creates a new Proxy for the given process
-func NewProxy(process *Instance) *proxy {
+// newProxy creates a new Proxy for the given instance
+func newProxy(instance *Instance) *proxy {
 	return &proxy{
-		process:      process,
+		instance:     instance,
 		timeProvider: realTimeProvider{},
 	}
 }
 
-// GetProxy returns the reverse proxy for this instance, creating it if needed.
+// get returns the reverse proxy for this instance, creating it if needed.
 // Uses sync.Once to ensure thread-safe one-time initialization.
-func (p *proxy) GetProxy() (*httputil.ReverseProxy, error) {
+func (p *proxy) get() (*httputil.ReverseProxy, error) {
 	// sync.Once guarantees buildProxy() is called exactly once
 	// Other callers block until first initialization completes
 	p.proxyOnce.Do(func() {
-		p.proxy, p.proxyErr = p.buildProxy()
+		p.proxy, p.proxyErr = p.build()
 	})
 
 	return p.proxy, p.proxyErr
 }
 
-// buildProxy creates the reverse proxy based on instance options
-func (p *proxy) buildProxy() (*httputil.ReverseProxy, error) {
-	options := p.process.GetOptions()
+// build creates the reverse proxy based on instance options
+func (p *proxy) build() (*httputil.ReverseProxy, error) {
+	options := p.instance.GetOptions()
 	if options == nil {
-		return nil, fmt.Errorf("instance %s has no options set", p.process.Name)
+		return nil, fmt.Errorf("instance %s has no options set", p.instance.Name)
 	}
 
 	// Remote instances should not use local proxy - they are handled by RemoteInstanceProxy
 	if len(options.Nodes) > 0 {
-		return nil, fmt.Errorf("instance %s is a remote instance and should not use local proxy", p.process.Name)
+		return nil, fmt.Errorf("instance %s is a remote instance and should not use local proxy", p.instance.Name)
 	}
 
 	// Get host/port from process
-	host, port := p.process.getBackendHostPort()
+	host, port := p.instance.getBackendHostPort()
 
 	targetURL, err := url.Parse(fmt.Sprintf("http://%s:%d", host, port))
 	if err != nil {
-		return nil, fmt.Errorf("failed to parse target URL for instance %s: %w", p.process.Name, err)
+		return nil, fmt.Errorf("failed to parse target URL for instance %s: %w", p.instance.Name, err)
 	}
 
 	proxy := httputil.NewSingleHostReverseProxy(targetURL)
@@ -81,11 +81,11 @@ func (p *proxy) buildProxy() (*httputil.ReverseProxy, error) {
 	var responseHeaders map[string]string
 	switch options.BackendType {
 	case backends.BackendTypeLlamaCpp:
-		responseHeaders = p.process.globalBackendSettings.LlamaCpp.ResponseHeaders
+		responseHeaders = p.instance.globalBackendSettings.LlamaCpp.ResponseHeaders
 	case backends.BackendTypeVllm:
-		responseHeaders = p.process.globalBackendSettings.VLLM.ResponseHeaders
+		responseHeaders = p.instance.globalBackendSettings.VLLM.ResponseHeaders
 	case backends.BackendTypeMlxLm:
-		responseHeaders = p.process.globalBackendSettings.MLX.ResponseHeaders
+		responseHeaders = p.instance.globalBackendSettings.MLX.ResponseHeaders
 	}
 
 	proxy.ModifyResponse = func(resp *http.Response) error {
@@ -107,9 +107,8 @@ func (p *proxy) buildProxy() (*httputil.ReverseProxy, error) {
 	return proxy, nil
 }
 
-// clearProxy resets the proxy, allowing it to be recreated when options change.
-// This resets the sync.Once so the next GetProxy call will rebuild the proxy.
-func (p *proxy) clearProxy() {
+// clear resets the proxy, allowing it to be recreated when options change.
+func (p *proxy) clear() {
 	p.mu.Lock()
 	defer p.mu.Unlock()
 
@@ -118,24 +117,24 @@ func (p *proxy) clearProxy() {
 	p.proxyOnce = sync.Once{} // Reset Once for next GetProxy call
 }
 
-// UpdateLastRequestTime updates the last request access time for the instance
-func (p *proxy) UpdateLastRequestTime() {
+// updateLastRequestTime updates the last request access time for the instance
+func (p *proxy) updateLastRequestTime() {
 	lastRequestTime := p.timeProvider.Now().Unix()
 	p.lastRequestTime.Store(lastRequestTime)
 }
 
-// LastRequestTime returns the last request time as a Unix timestamp
-func (p *proxy) LastRequestTime() int64 {
+// getLastRequestTime returns the last request time as a Unix timestamp
+func (p *proxy) getLastRequestTime() int64 {
 	return p.lastRequestTime.Load()
 }
 
-// ShouldTimeout checks if the instance should timeout based on idle time
-func (p *proxy) ShouldTimeout() bool {
-	if !p.process.IsRunning() {
+// shouldTimeout checks if the instance should timeout based on idle time
+func (p *proxy) shouldTimeout() bool {
+	if !p.instance.IsRunning() {
 		return false
 	}
 
-	options := p.process.GetOptions()
+	options := p.instance.GetOptions()
 	if options == nil || options.IdleTimeout == nil || *options.IdleTimeout <= 0 {
 		return false
 	}
@@ -150,7 +149,7 @@ func (p *proxy) ShouldTimeout() bool {
 	return (p.timeProvider.Now().Unix() - lastRequest) > idleTimeoutSeconds
 }
 
-// SetTimeProvider sets a custom time provider for testing
-func (p *proxy) SetTimeProvider(tp TimeProvider) {
+// setTimeProvider sets a custom time provider for testing
+func (p *proxy) setTimeProvider(tp TimeProvider) {
 	p.timeProvider = tp
 }

pkg/instance/status.go

@@ -69,15 +69,15 @@ func newStatus(initial Status) *status {
 	}
 }
 
-// Get returns the current status
-func (st *status) Get() Status {
+// get returns the current status
+func (st *status) get() Status {
 	st.mu.RLock()
 	defer st.mu.RUnlock()
 	return st.s
 }
 
-// Set updates the status and triggers the onStatusChange callback if set
-func (st *status) Set(newStatus Status) {
+// set updates the status and triggers the onStatusChange callback if set
+func (st *status) set(newStatus Status) {
 	st.mu.Lock()
 	oldStatus := st.s
 	st.s = newStatus
@@ -90,8 +90,8 @@ func (st *status) Set(newStatus Status) {
 	}
 }
 
-// IsRunning returns true if the status is Running
-func (st *status) IsRunning() bool {
+// isRunning returns true if the status is Running
+func (st *status) isRunning() bool {
 	st.mu.RLock()
 	defer st.mu.RUnlock()
 	return st.s == Running

pkg/instance/timeout.go

@@ -1,18 +0,0 @@
-package instance
-
-// UpdateLastRequestTime updates the last request access time for the instance via proxy
-// Delegates to the Proxy component
-func (i *Instance) UpdateLastRequestTime() {
-	if i.proxy != nil {
-		i.proxy.UpdateLastRequestTime()
-	}
-}
-
-// ShouldTimeout checks if the instance should timeout based on idle time
-// Delegates to the Proxy component
-func (i *Instance) ShouldTimeout() bool {
-	if i.proxy == nil {
-		return false
-	}
-	return i.proxy.ShouldTimeout()
-}