fix: fix child process spawning attached

src/internal/handle_panel_movement.go

@@ -97,6 +97,7 @@ func (m *model) executeOpenCommand() {
 	}
 
 	cmd := exec.Command(openCommand, panel.element[panel.cursor].location)
+	utils.DetachFromTerminal(cmd)
 	err := cmd.Start()
 	if err != nil {
 		slog.Error("Error while open file with", "error", err)

src/internal/utils/detach_unix.go

@@ -0,0 +1,17 @@
+//go:build !windows
+
+package utils
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+func DetachFromTerminal(cmd *exec.Cmd) {
+	// Start new session so child isn't tied to the TTY (prevents SIGHUP on terminal close).
+	cmd.SysProcAttr = &syscall.SysProcAttr{Setsid: true}
+	// Optionally, redirect stdio to avoid terminal hangups
+	cmd.Stdin = nil
+	cmd.Stdout = nil
+	cmd.Stderr = nil
+}

src/internal/utils/detach_windows.go

@@ -0,0 +1,10 @@
+//go:build windows
+
+package utils
+
+import "os/exec"
+
+func DetachFromTerminal(cmd *exec.Cmd) {
+	// No-op: current Windows path uses rundll32 and returns immediately.
+	// If needed later, set CreationFlags/HideWindow via syscall.SysProcAttr.
+}