backends

type ErrorTransformer func(output string) string

type Logger interface {
	Info(msg string, args ...any)
	Warn(msg string, args ...any)
}

type RunnerConfig struct {
	// BackendName is the display name of the backend (e.g., "llama.cpp", "vLLM")
	BackendName string
	// Socket is the unix socket path
	Socket string
	// BinaryPath is the path to the backend binary
	BinaryPath string
	// SandboxPath is the sandbox directory path
	SandboxPath string
	// SandboxConfig is the sandbox configuration string
	SandboxConfig string
	// Args are the command line arguments
	Args []string
	// Logger provides logging functionality
	Logger Logger
	// ServerLogWriter provides a writer for server logs
	ServerLogWriter io.WriteCloser
	// ErrorTransformer is an optional function to transform error output
	// into a more user-friendly message. If nil, the raw output is used.
	ErrorTransformer ErrorTransformer
	// Env is an optional list of extra environment variables for the backend
	// process, each in "KEY=VALUE" form. These are appended to the current
	// process environment. If nil or empty, the backend inherits the parent
	// env as-is (an empty non-nil slice is treated the same as nil).
	Env []string
}