config

type Config struct {
	Isolation string        `yaml:"isolation"` // full, hybrid, shared
	SharedVM  SharedVM      `yaml:"sharedVM,omitempty"`
	Compose   Subsystem     `yaml:"compose,omitempty"`
	Sandbox   SandboxConfig `yaml:"sandbox,omitempty"`
	Runtime   string        `yaml:"runtime,omitempty"`       // "container" or "nerdctl"
	Binary    string        `yaml:"runtimeBinary,omitempty"` // custom path to runtime binary

	// LegacyWorkspaceDirs accepts top-level `workspaceDirs:` for back-compat.
	// Old configs (and hand-edited ones) placed it here instead of under
	// sharedVM; Load() migrates it into SharedVM.WorkspaceDirs.
	LegacyWorkspaceDirs []string `yaml:"workspaceDirs,omitempty"`
}

type SandboxConfig struct {
	Isolation         string `yaml:"isolation,omitempty"`
	SyncClaudeSession *bool  `yaml:"syncClaudeSession,omitempty"` // sync Claude Code sessions between host and sandbox (default: true)
}

type SharedVM struct {
	Image         string   `yaml:"image,omitempty"`
	CPUs          int      `yaml:"cpus,omitempty"`
	Memory        string   `yaml:"memory,omitempty"`
	WorkspaceDirs []string `yaml:"workspaceDirs,omitempty"` // host dirs to mount into VM
}

type Subsystem struct {
	Isolation string `yaml:"isolation,omitempty"`
}