fix: rename binary to ssm

internal/service/service_darwin.go

@@ -17,7 +17,7 @@ func newPlatformManager(configDir string) (platformManager, error) {
 // macosServiceManager manages services via launchd. Direct port of
 // MacOSServiceManager in service_manager.py. Unlike the Python version
 // (which shells out to a separate macos_service_wrapper.py for DNS
-// handling), the generated plist invokes this same ss binary in
+// handling), the generated plist invokes this same ssm binary in
 // "service run-macos" mode (see wrapper_darwin.go) — no second script file
 // is needed.
 type macosServiceManager struct {
@@ -31,7 +31,7 @@ func (d *macosServiceManager) launchdPath(name string) string {
 func (d *macosServiceManager) createLaunchdPlist(cfg Config) error {
 	selfPath, err := os.Executable()
 	if err != nil {
-		return fmt.Errorf("failed to determine ss executable path: %w", err)
+		return fmt.Errorf("failed to determine ssm executable path: %w", err)
 	}
 
 	workingDir := filepath.Dir(cfg.ExecutablePath)