Initial commit: TaskPool React panel

- React frontend with route-level code splitting
- Backend rebranded from Baihu to TaskPool
- DB brand migration script and local compatibility

internal/utils/fs.go

@@ -0,0 +1,85 @@
+package utils
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+)
+
+// CopyPath copies a file or directory from src to dest
+func CopyPath(src, dest string) error {
+	info, err := os.Stat(src)
+	if err != nil {
+		return err
+	}
+
+	if info.IsDir() {
+		return copyDir(src, dest)
+	}
+	return CopyFile(src, dest)
+}
+
+// CopyFile copies a single file from src to dest
+func CopyFile(src, dest string) error {
+	srcFile, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer srcFile.Close()
+
+	if err := os.MkdirAll(filepath.Dir(dest), 0755); err != nil {
+		return err
+	}
+
+	destFile, err := os.Create(dest)
+	if err != nil {
+		return err
+	}
+	defer destFile.Close()
+
+	if _, err := io.Copy(destFile, srcFile); err != nil {
+		return err
+	}
+
+	info, err := os.Stat(src)
+	if err == nil {
+		os.Chmod(dest, info.Mode())
+	}
+
+	return nil
+}
+
+func copyDir(src, dest string) error {
+	info, err := os.Stat(src)
+	if err != nil {
+		return err
+	}
+
+	if err := os.MkdirAll(dest, info.Mode()); err != nil {
+		return err
+	}
+
+	entries, err := os.ReadDir(src)
+	if err != nil {
+		return err
+	}
+
+	for _, entry := range entries {
+		srcPath := filepath.Join(src, entry.Name())
+		destPath := filepath.Join(dest, entry.Name())
+
+		if err := CopyPath(srcPath, destPath); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// IsInDocker 判断程序是否运行在 Docker 容器中
+func IsInDocker() bool {
+	if _, err := os.Stat("/.dockerenv"); err == nil {
+		return true
+	}
+	return false
+}