refactor(bookmark): 重构书签服务入口文件并整合用户权限功能

将 bookmark.go 重命名为 main.go，并调整包引用路径。将 bookmarks 和 user_np
两个模块的处理逻辑合并到同一个服务中，统一注册路由。同时更新了相关 API
的引用路径，确保生成代码与内部实现正确绑定。

此外，移除了独立的 user_np 服务入口文件，其功能已整合至 bookmark 服务中。

配置文件中调整了 user_np 和 vfs 服务的端口及部分接口定义，完善了用户
相关操作的路径参数和请求体结构。

internal/vfs/models/vfs_test.go

@@ -0,0 +1,129 @@
+package models_test
+
+import (
+	"testing"
+
+	"git.zzyxyz.com/zzy/zzyxyz_go_api/internal/vfs/models"
+)
+
+func TestParsePathComponents(t *testing.T) {
+	tests := []struct {
+		name         string
+		pathStr      string
+		wantParent   string
+		wantName     string
+		wantNodeType models.VfsNodeType
+		wantErr      bool
+	}{
+		{
+			name:         "directory path with trailing slash",
+			pathStr:      "/home/",
+			wantParent:   "/",
+			wantName:     "home",
+			wantNodeType: models.VfsNodeTypeDirectory,
+			wantErr:      false,
+		},
+		{
+			name:         "file path without extension",
+			pathStr:      "/home",
+			wantParent:   "/",
+			wantName:     "home",
+			wantNodeType: models.VfsNodeTypeFile,
+			wantErr:      false,
+		},
+		{
+			name:         "file path with extension",
+			pathStr:      "/home.txt",
+			wantParent:   "/",
+			wantName:     "home.txt",
+			wantNodeType: models.VfsNodeTypeFile,
+			wantErr:      false,
+		},
+		{
+			name:         "nested directory path with trailing slash",
+			pathStr:      "/home/user/",
+			wantParent:   "/home",
+			wantName:     "user",
+			wantNodeType: models.VfsNodeTypeDirectory,
+			wantErr:      false,
+		},
+		{
+			name:         "nested file path",
+			pathStr:      "/home/user/file.txt",
+			wantParent:   "/home/user",
+			wantName:     "file.txt",
+			wantNodeType: models.VfsNodeTypeFile,
+			wantErr:      false,
+		},
+		{
+			name:         "deep nested directory path with trailing slash",
+			pathStr:      "/home/user/documents/",
+			wantParent:   "/home/user",
+			wantName:     "documents",
+			wantNodeType: models.VfsNodeTypeDirectory,
+			wantErr:      false,
+		},
+		{
+			name:         "deep nested file path",
+			pathStr:      "/home/user/documents/file.txt",
+			wantParent:   "/home/user/documents",
+			wantName:     "file.txt",
+			wantNodeType: models.VfsNodeTypeFile,
+			wantErr:      false,
+		},
+		{
+			name:    "relative path should error",
+			pathStr: ".",
+			wantErr: true,
+		},
+		{
+			name:    "relative path should error",
+			pathStr: "home.txt",
+			wantErr: true,
+		},
+		{
+			name:    "relative path should error",
+			pathStr: "home/user/",
+			wantErr: true,
+		},
+		{
+			name:         "path with multiple slashes",
+			pathStr:      "//home//user//",
+			wantParent:   "/home",
+			wantName:     "user",
+			wantNodeType: models.VfsNodeTypeDirectory,
+			wantErr:      false,
+		},
+		{
+			name:         "path with multiple slashes and file",
+			pathStr:      "//home//user//file.txt",
+			wantParent:   "/home/user",
+			wantName:     "file.txt",
+			wantNodeType: models.VfsNodeTypeFile,
+			wantErr:      false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			parent, name, nodeType, err := models.ParsePathComponents(tt.pathStr)
+
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ParsePathComponents() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+
+			if !tt.wantErr {
+				if parent != tt.wantParent {
+					t.Errorf("ParsePathComponents() parent = %v, want %v", parent, tt.wantParent)
+				}
+				if name != tt.wantName {
+					t.Errorf("ParsePathComponents() name = %v, want %v", name, tt.wantName)
+				}
+				if nodeType != tt.wantNodeType {
+					t.Errorf("ParsePathComponents() nodeType = %v, want %v", nodeType, tt.wantNodeType)
+				}
+			}
+		})
+	}
+}