message

type Attachment struct {
	FilePath string
	FileName string
	MimeType string
	Content  []byte
}

type BinaryContent struct {
	Path     string
	MIMEType string
	Data     []byte
}

type ContentPart interface {
	// contains filtered or unexported methods
}

type CreateMessageParams struct {
	Role  MessageRole
	Parts []ContentPart
	Model models.ModelID
}

type Finish struct {
	Reason FinishReason `json:"reason"`
	Time   int64        `json:"time"`
}

type FinishReason string

type ImageURLContent struct {
	URL    string `json:"url"`
	Detail string `json:"detail,omitempty"`
}

type Message struct {
	ID        string
	Role      MessageRole
	SessionID string
	Parts     []ContentPart
	Model     models.ModelID
	CreatedAt int64
	UpdatedAt int64
}

type MessageRole string

type ReasoningContent struct {
	Thinking string `json:"thinking"`
}

type Service interface {
	pubsub.Suscriber[Message]
	Create(ctx context.Context, sessionID string, params CreateMessageParams) (Message, error)
	Update(ctx context.Context, message Message) error
	Get(ctx context.Context, id string) (Message, error)
	List(ctx context.Context, sessionID string) ([]Message, error)
	Delete(ctx context.Context, id string) error
	DeleteSessionMessages(ctx context.Context, sessionID string) error
}

type TextContent struct {
	Text string `json:"text"`
}

type ToolCall struct {
	ID               string `json:"id"`
	Name             string `json:"name"`
	Input            string `json:"input"`
	Type             string `json:"type"`
	Finished         bool   `json:"finished"`
	ThoughtSignature []byte `json:"thought_signature,omitempty"`
}

type ToolResult struct {
	ToolCallID string `json:"tool_call_id"`
	Name       string `json:"name"`
	Content    string `json:"content"`
	Metadata   string `json:"metadata"`
	IsError    bool   `json:"is_error"`
	// Images carries binary image(s) produced by an image-type tool response
	// (e.g. browser_screenshot). They are sent to vision-capable models as real
	// image blocks; Content holds a short textual placeholder in that case. The
	// raw base64 never lives in Content, so it is not dumped in the TUI/WebUI.
	Images []BinaryContent `json:"images,omitempty"`
	// Input holds the original tool call input JSON. It is NOT persisted to the
	// database (json:"-") and is populated in-flight by the agent so that the
	// ACP layer can include rawInput in tool_call_update messages even when the
	// streaming AgentEventTypeToolCall events were dropped due to buffer overflow.
	Input string `json:"-"`
}