agentstorage

type Config struct {
	DefaultAgentRunner string `json:"default_agent_runner"`
	DefaultModel       string `json:"default_model"`
	LastSession        string `json:"last_session"`
}

type Message struct {
	ID        string `json:"id"`
	Text      string `json:"text"`
	SessionID string `json:"session_id"`
	CreatedAt string `json:"created_at"`
}

type Session struct {
	Meta SessionMeta
}

type SessionMeta struct {
	Runner            string `json:"runner"`
	SessionID         string `json:"session_id"`
	InitialPrompt     string `json:"initial_prompt,omitempty"`
	RunnerSessionID   string `json:"runner_session_id,omitempty"`
	TerminalSessionID string `json:"terminal_session_id,omitempty"`
	Status            string `json:"status"`
	Workspace         string `json:"workspace,omitempty"`
	Model             string `json:"model,omitempty"`
	// PrependPaths are absolute directories prepended to the TTY child PATH (ordered, no dedup).
	PrependPaths []string `json:"prepend_paths,omitempty"`
	// Env is ordered KEY=VALUE entries applied to the TTY child (last-win per key).
	Env []string `json:"env,omitempty"`
	// AgentRunnerConfigHome is the agent data dir (grok: GROK_HOME, codex: CODEX_HOME).
	AgentRunnerConfigHome string `json:"agent_runner_config_home,omitempty"`
	CreatedAt             string `json:"created_at,omitempty"`
	UpdatedAt             string `json:"updated_at,omitempty"`
}

type Store interface {
	Home() string
	Config() (Config, error)
	SaveConfig(Config) error
	ListSessions() ([]SessionMeta, error)
	ClearAllSessions() error
	GetSession(sessionID string) (*Session, error)
	CreateSession(sessionID string, meta SessionMeta) error
	UpdateSessionStatus(sessionID, status string) error
	UpdateSessionRunnerSessionID(sessionID, runnerSessionID string) error
	UpdateSessionTerminalSessionID(sessionID, terminalSessionID string) error
	// UpdateSessionEnvConfig writes session-scoped TTY child env fields.
	// prependPaths/env replace the stored lists; configHome replaces when non-empty.
	UpdateSessionEnvConfig(sessionID string, prependPaths, env []string, configHome string) error
	AppendEvent(sessionID string, ev types.AgentEvent) error
	ReadEvents(sessionID string, afterOffset int64) ([]types.AgentEvent, int64, error)
	AppendMessage(sessionID, text string) (Message, error)
	PopMessages(sessionID string) ([]Message, error)
	ListMessages(sessionID string) ([]Message, error)
}