Fix lint errors in plugin_unix.go

Author: thomas-senechal

pkg/plugin/plugin_unix.go

@@ -3,25 +3,26 @@
 package plugin
 
 import (
+	"fmt"
 	"os/exec"
 	"syscall"
 
 	"github.com/massalabs/station/pkg/logger"
 )
 
-// sendStopSignal sends an appropriate signal to gracefully stop a process on Unix systems
+// sendStopSignal sends an appropriate signal to gracefully stop a process on Unix systems.
 func (p *Plugin) sendStopSignal() error {
 	err := p.command.Process.Signal(syscall.SIGTERM)
 	if err != nil {
-		logger.Warnf("Failed to send SIGTERM to plugin %s: %s\n", p.ID, err)
-		return err
+		return fmt.Errorf("failed to send SIGTERM to plugin %s: %w", p.ID, err)
 	}
 
 	logger.Infof("Sent SIGTERM to plugin %s.\n", p.ID)
+
 	return nil
 }
 
-// setupProcess configures platform-specific process attributes (no-op on Unix)
-func setupProcess(cmd *exec.Cmd) {
+// setupProcess configures platform-specific process attributes (no-op on Unix).
+func setupProcess(_ *exec.Cmd) {
 	// No special setup needed for Unix systems
 }