contrib

type FileActivity struct{}

type FileInput struct {
	Operation   string `json:"operation"`   // read, write, append, delete, exists, mkdir, list
	Path        string `json:"path"`        // file or directory path
	Content     string `json:"content"`     // content to write (for write/append operations)
	Permissions string `json:"permissions"` // file permissions (e.g., "0644", "0755")
	CreateDirs  bool   `json:"create_dirs"` // create parent directories if they don't exist
}

type ShellActivity struct{}

type ShellInput struct {
	Command     string            `json:"command"`
	Args        []string          `json:"args"`
	WorkingDir  string            `json:"working_dir"`
	Environment map[string]string `json:"environment"`
	Timeout     time.Duration     `json:"timeout"` // 0 means no timeout
}