session

type Item struct {
	// Message holds a regular conversation message
	Message *Message `json:"message,omitempty"`

	// SubSession holds a complete sub-session from task transfers
	SubSession *Session `json:"sub_session,omitempty"`

	// Summary is a summary of the session up until this point
	Summary string `json:"summary,omitempty"`
}

type Message struct {
	AgentFilename string       `json:"agentFilename"`
	AgentName     string       `json:"agentName"` // TODO: rename to agent_name
	Message       chat.Message `json:"message"`
	// Implicit is an optional field to indicate if the message shouldn't be shown to the user. It's needed for special  situations
	// like when an agent transfers a task to another agent - new session is created with a default user message, but this shouldn't be shown to the user.
	// Such messages should be marked as true
	Implicit bool `json:"implicit,omitempty"`
}

type Migration struct {
	ID          int
	Name        string
	Description string
	UpSQL       string
	DownSQL     string
	AppliedAt   time.Time
}

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

type Opt func(s *Session)

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

type Session struct {
	// ID is the unique identifier for the session
	ID string `json:"id"`

	// Title is the title of the session, set by the runtime
	Title string `json:"title"`

	// Messages holds the conversation history (messages and sub-sessions)
	Messages []Item `json:"messages"`

	// CreatedAt is the time the session was created
	CreatedAt time.Time `json:"created_at"`

	// ToolsApproved is a flag to indicate if the tools have been approved
	ToolsApproved bool `json:"tools_approved"`

	// WorkingDir is the base directory used for filesystem-aware tools
	WorkingDir string `json:"working_dir,omitempty"`

	// SendUserMessage is a flag to indicate if the user message should be sent
	SendUserMessage bool

	// MaxIterations is the maximum number of agentic loop iterations to prevent infinite loops
	// If 0, there is no limit
	MaxIterations int `json:"max_iterations"`

	InputTokens  int     `json:"input_tokens"`
	OutputTokens int     `json:"output_tokens"`
	Cost         float64 `json:"cost"`
}

type Store interface {
	AddSession(ctx context.Context, session *Session) error
	GetSession(ctx context.Context, id string) (*Session, error)
	GetSessions(ctx context.Context) ([]*Session, error)
	GetSessionsByAgent(ctx context.Context, agentFilename string) ([]*Session, error)
	DeleteSession(ctx context.Context, id string) error
	UpdateSession(ctx context.Context, session *Session) error
}