refactor: extract path logic to path.go and run go fmt on codebase

internal/controllers/terminal_controller.go

@@ -7,9 +7,9 @@ import (
 	"os"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"sync"
 	"time"
-	"strings"
 	"unicode/utf8"
 
 	"github.com/engigu/baihu-panel/internal/constant"
@@ -23,7 +23,6 @@ import (
 	"golang.org/x/text/transform"
 )
 
-
 type TerminalController struct {
 	envService *services.EnvService
 }