einoacp

type ChatModel struct {
	// contains filtered or unexported fields
}

type Config struct {
	// Command is the full command to launch the ACP agent.
	// The first element is the binary, the rest are arguments.
	// Use the provided helpers: ClaudeCommand(), CodexCommand().
	// Required, must have at least one element.
	Command []string

	// Cwd is the working directory for the agent session.
	// Defaults to the current working directory.
	Cwd string

	// Env sets additional environment variables for the agent subprocess.
	// These are merged with the current process environment.
	Env []string

	// AutoApprove automatically approves all permission requests from the agent.
	// When false, permission requests are denied.
	AutoApprove bool

	// OnPermission is called for every ACP permission request. When set, it
	// takes precedence over AutoApprove.
	OnPermission func(context.Context, acp.RequestPermissionRequest) (acp.RequestPermissionResponse, error)

	// OnSessionUpdate is called for every ACP SessionUpdate received during
	// execution. This fires in real-time regardless of whether Generate() or
	// Stream() is used, giving consumers access to tool calls, text chunks,
	// and other ACP events as they happen.
	OnSessionUpdate func(acp.SessionUpdate)

	// SelectModel is the ACP model id to switch to via SetSessionModel
	// after each NewSession (the protocol-native way to pick a model
	// for a session). Empty = use the agent's default. Pass --model
	// on the spawn command line is unreliable: Claude Code ignores it
	// in --acp mode and currentModelId stays "default" regardless;
	// SetSessionModel is the only way to actually switch.
	//
	// Per-CLI valid ids:
	//   Claude Code: "default" / "sonnet" / "haiku"
	//   GitHub Copilot: "auto" / "gpt-5.4" / "gpt-5.3-codex" / ...
	// Discoverable via the OnSessionInfo callback below.
	SelectModel string

	// OnSessionInfo fires once per NewSession with the model + session
	// id information the agent reports back. The SessionModelState
	// contains the *resolved* currentModelId (e.g. after applying
	// SelectModel, or whatever the agent's default was) and the full
	// list of availableModels with human-readable names + descriptions.
	//
	// Use this to (a) surface the actual running model to a UI rather
	// than the alias the user picked, and (b) populate a model picker
	// dynamically without hardcoding a per-CLI list.
	//
	// Called BEFORE the first prompt is sent on the new session, so
	// callers can react to the model state synchronously if needed.
	OnSessionInfo func(sessionId acp.SessionId, models *acp.SessionModelState)

	// McpServers is the list of MCP servers to attach to each ACP session.
	// Claude Code will discover and use tools from these servers.
	McpServers []acp.McpServer
}