message

package
v0.0.7 Latest Latest
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 Go to latest Published: Apr 10, 2026 License: GPL-3.0 Imports: 8 Imported by: 0

Documentation

Overview

Package message provides message and content block types for Claude conversations.

Index

Constants

View Source 
const (
	BlockTypeText       = "text"
	BlockTypeImage      = "image"
	BlockTypeDocument   = "document"
	BlockTypeThinking   = "thinking"
	BlockTypeToolUse    = "tool_use"
	BlockTypeToolResult = "tool_result"
	BlockTypeToolRef    = "tool_reference"
	BlockTypeConnector  = "connector_text"
)

Block type constants.

Variables

This section is empty.

Functions

func AnnotateRawJSON added in v0.0.7 

func AnnotateRawJSON(data map[string]any, raw []byte) map[string]any

AnnotateRawJSON attaches the original raw JSON bytes to a decoded payload so audit envelopes can preserve byte fidelity later in the parse pipeline.

Types

type APIRetryMessage added in v0.0.7 

type APIRetryMessage struct {
	SystemMessage
	Attempt      int                   `json:"attempt"`
	MaxRetries   int                   `json:"max_retries"`
	RetryDelayMs int                   `json:"retry_delay_ms"`
	ErrorStatus  *int                  `json:"error_status,omitempty"`
	Error        AssistantMessageError `json:"error"`
	UUID         string                `json:"uuid"`
	SessionID    string                `json:"session_id"`
}

APIRetryMessage reports an API retry event.

func (*APIRetryMessage) MessageType added in v0.0.7 

func (m *APIRetryMessage) MessageType() string

MessageType implements the Message interface.

type AssistantMessage 

type AssistantMessage struct {
	Type            string                 `json:"type"`
	Content         []ContentBlock         `json:"content"`
	Model           string                 `json:"model"`
	ParentUUID      *string                `json:"parent_uuid,omitempty"`
	ParentToolUseID *string                `json:"parent_tool_use_id,omitempty"`
	Error           *AssistantMessageError `json:"error,omitempty"`
	Usage           map[string]any         `json:"usage,omitempty"`
	MessageID       *string                `json:"message_id,omitempty"`
	StopReason      *string                `json:"stop_reason,omitempty"`
	SessionID       *string                `json:"session_id,omitempty"`
	UUID            *string                `json:"uuid,omitempty"`
	Audit           *AuditEnvelope         `json:"-"`
}

AssistantMessage represents a message from Claude.

func (*AssistantMessage) MessageType 

func (m *AssistantMessage) MessageType() string

MessageType implements the Message interface.

type AssistantMessageError 

type AssistantMessageError string

AssistantMessageError represents error types from the assistant. 

const (
	// AssistantMessageErrorAuthFailed indicates authentication failure.
	AssistantMessageErrorAuthFailed AssistantMessageError = "authentication_failed"
	// AssistantMessageErrorBilling indicates a billing error.
	AssistantMessageErrorBilling AssistantMessageError = "billing_error"
	// AssistantMessageErrorRateLimit indicates rate limiting.
	AssistantMessageErrorRateLimit AssistantMessageError = "rate_limit"
	// AssistantMessageErrorInvalidReq indicates an invalid request.
	AssistantMessageErrorInvalidReq AssistantMessageError = "invalid_request"
	// AssistantMessageErrorServer indicates a server error.
	AssistantMessageErrorServer AssistantMessageError = "server_error"
	// AssistantMessageErrorMaxOutputTokens indicates output token exhaustion.
	AssistantMessageErrorMaxOutputTokens AssistantMessageError = "max_output_tokens"
	// AssistantMessageErrorUnknown indicates an unknown error.
	AssistantMessageErrorUnknown AssistantMessageError = "unknown"
)

type AuditEnvelope added in v0.0.7 

type AuditEnvelope struct {
	EventType string          `json:"event_type"`
	Subtype   string          `json:"subtype,omitempty"`
	Payload   json.RawMessage `json:"payload"`
}

AuditEnvelope contains the provider-native event metadata and canonical payload captured at the SDK boundary.

func NewAuditEnvelope added in v0.0.7 

func NewAuditEnvelope(eventType, subtype string, payload any) (*AuditEnvelope, error)

NewAuditEnvelope marshals a canonical payload into an audit envelope.

func (*AuditEnvelope) GetEventType added in v0.0.7 

func (a *AuditEnvelope) GetEventType() string

func (*AuditEnvelope) GetPayload added in v0.0.7 

func (a *AuditEnvelope) GetPayload() json.RawMessage

func (*AuditEnvelope) GetSubtype added in v0.0.7 

func (a *AuditEnvelope) GetSubtype() string

type AuthStatusMessage added in v0.0.7 

type AuthStatusMessage struct {
	Type             string         `json:"type"`
	IsAuthenticating bool           `json:"isAuthenticating"`
	Output           []string       `json:"output"`
	Error            *string        `json:"error,omitempty"`
	UUID             string         `json:"uuid"`
	SessionID        string         `json:"session_id"`
	Audit            *AuditEnvelope `json:"-"`
}

AuthStatusMessage reports CLI authentication progress.

func (*AuthStatusMessage) MessageType added in v0.0.7 

func (m *AuthStatusMessage) MessageType() string

MessageType implements the Message interface.

type Base64Source added in v0.0.5 

type Base64Source struct {
	Type      string `json:"type"`
	MediaType string `json:"media_type"`
	Data      string `json:"data"`
}

Base64Source contains inline base64 content for Claude CLI multimodal inputs.

type CompactBoundaryMessage added in v0.0.7 

type CompactBoundaryMessage struct {
	SystemMessage
	CompactMetadata CompactMetadata `json:"compact_metadata"`
	UUID            string          `json:"uuid"`
	SessionID       string          `json:"session_id"`
}

CompactBoundaryMessage reports conversation compaction boundaries.

func (*CompactBoundaryMessage) MessageType added in v0.0.7 

func (m *CompactBoundaryMessage) MessageType() string

MessageType implements the Message interface.

type CompactMetadata added in v0.0.7 

type CompactMetadata struct {
	Trigger          string                   `json:"trigger"`
	PreTokens        int                      `json:"pre_tokens"`
	PreservedSegment *CompactPreservedSegment `json:"preserved_segment,omitempty"`
}

CompactMetadata captures compaction boundary metadata.

type CompactPreservedSegment added in v0.0.7 

type CompactPreservedSegment struct {
	HeadUUID   string `json:"head_uuid"`
	AnchorUUID string `json:"anchor_uuid"`
	TailUUID   string `json:"tail_uuid"`
}

CompactPreservedSegment identifies a preserved segment after compaction.

type ConnectorTextBlock added in v0.0.7 

type ConnectorTextBlock struct {
	Type string         `json:"type"`
	Text string         `json:"text,omitempty"`
	Raw  map[string]any `json:"-"`
}

ConnectorTextBlock contains IDE/connector-synchronized text context. Raw preserves the full provider payload for round-tripping.

func (*ConnectorTextBlock) BlockType added in v0.0.7 

func (b *ConnectorTextBlock) BlockType() string

BlockType implements the ContentBlock interface.

func (*ConnectorTextBlock) MarshalJSON added in v0.0.7 

func (b *ConnectorTextBlock) MarshalJSON() ([]byte, error)

MarshalJSON preserves any original connector payload fields.

func (*ConnectorTextBlock) UnmarshalJSON added in v0.0.7 

func (b *ConnectorTextBlock) UnmarshalJSON(data []byte) error

UnmarshalJSON preserves the raw connector payload while exposing text directly.

type ContentBlock 

type ContentBlock interface {
	BlockType() string
}

ContentBlock represents a block of content within a message.

func UnmarshalContentBlock 

func UnmarshalContentBlock(data []byte) (ContentBlock, error)

UnmarshalContentBlock unmarshals a single content block from JSON.

type ElicitationCompleteMessage added in v0.0.7 

type ElicitationCompleteMessage struct {
	SystemMessage
	MCPServerName string `json:"mcp_server_name"`
	ElicitationID string `json:"elicitation_id"`
	UUID          string `json:"uuid"`
	SessionID     string `json:"session_id"`
}

ElicitationCompleteMessage reports an MCP elicitation completion event.

func (*ElicitationCompleteMessage) MessageType added in v0.0.7 

func (m *ElicitationCompleteMessage) MessageType() string

MessageType implements the Message interface.

type FilesPersistedFailure added in v0.0.7 

type FilesPersistedFailure struct {
	Filename string `json:"filename"`
	Error    string `json:"error"`
}

FilesPersistedFailure describes a failed file persistence result.

type FilesPersistedFile added in v0.0.7 

type FilesPersistedFile struct {
	Filename string `json:"filename"`
	FileID   string `json:"file_id"`
}

FilesPersistedFile describes a persisted file result.

type FilesPersistedMessage added in v0.0.7 

type FilesPersistedMessage struct {
	SystemMessage
	Files       []FilesPersistedFile    `json:"files"`
	Failed      []FilesPersistedFailure `json:"failed"`
	ProcessedAt string                  `json:"processed_at"`
	UUID        string                  `json:"uuid"`
	SessionID   string                  `json:"session_id"`
}

FilesPersistedMessage reports persisted file IDs.

func (*FilesPersistedMessage) MessageType added in v0.0.7 

func (m *FilesPersistedMessage) MessageType() string

MessageType implements the Message interface.

type HookProgressMessage added in v0.0.7 

type HookProgressMessage struct {
	SystemMessage
	HookID    string `json:"hook_id"`
	HookName  string `json:"hook_name"`
	HookEvent string `json:"hook_event"`
	Stdout    string `json:"stdout"`
	Stderr    string `json:"stderr"`
	Output    string `json:"output"`
	UUID      string `json:"uuid"`
	SessionID string `json:"session_id"`
}

HookProgressMessage reports hook progress output.

func (*HookProgressMessage) MessageType added in v0.0.7 

func (m *HookProgressMessage) MessageType() string

MessageType implements the Message interface.

type HookResponseMessage added in v0.0.7 

type HookResponseMessage struct {
	SystemMessage
	HookID    string              `json:"hook_id"`
	HookName  string              `json:"hook_name"`
	HookEvent string              `json:"hook_event"`
	Output    string              `json:"output"`
	Stdout    string              `json:"stdout"`
	Stderr    string              `json:"stderr"`
	ExitCode  *int                `json:"exit_code,omitempty"`
	Outcome   HookResponseOutcome `json:"outcome"`
	UUID      string              `json:"uuid"`
	SessionID string              `json:"session_id"`
}

HookResponseMessage reports the final result of an async hook.

func (*HookResponseMessage) MessageType added in v0.0.7 

func (m *HookResponseMessage) MessageType() string

MessageType implements the Message interface.

type HookResponseOutcome added in v0.0.7 

type HookResponseOutcome string

HookResponseOutcome identifies a hook's final outcome. 

const (
	// HookResponseOutcomeSuccess indicates hook success.
	HookResponseOutcomeSuccess HookResponseOutcome = "success"
	// HookResponseOutcomeError indicates hook failure.
	HookResponseOutcomeError HookResponseOutcome = "error"
	// HookResponseOutcomeCancelled indicates hook cancellation.
	HookResponseOutcomeCancelled HookResponseOutcome = "cancelled"
)

type HookStartedMessage added in v0.0.7 

type HookStartedMessage struct {
	SystemMessage
	HookID    string `json:"hook_id"`
	HookName  string `json:"hook_name"`
	HookEvent string `json:"hook_event"`
	UUID      string `json:"uuid"`
	SessionID string `json:"session_id"`
}

HookStartedMessage reports the start of an async hook.

func (*HookStartedMessage) MessageType added in v0.0.7 

func (m *HookStartedMessage) MessageType() string

MessageType implements the Message interface.

type InitMCPServerStatus added in v0.0.7 

type InitMCPServerStatus struct {
	Name   string `json:"name"`
	Status string `json:"status"`
}

InitMCPServerStatus describes one MCP server entry in the init system message.

type InitMessage added in v0.0.7 

type InitMessage struct {
	SystemMessage
	Agents            []string              `json:"agents,omitempty"`
	APIKeySource      string                `json:"apiKeySource"`
	Betas             []string              `json:"betas,omitempty"`
	ClaudeCodeVersion string                `json:"claude_code_version"`
	Cwd               string                `json:"cwd"`
	Tools             []string              `json:"tools"`
	MCPServers        []InitMCPServerStatus `json:"mcp_servers"`
	Model             string                `json:"model"`
	PermissionMode    string                `json:"permissionMode"`
	SlashCommands     []string              `json:"slash_commands"`
	OutputStyle       string                `json:"output_style"`
	Skills            []string              `json:"skills"`
	Plugins           []InitPluginInfo      `json:"plugins"`
	FastModeState     *fastmode.State       `json:"fast_mode_state,omitempty"`
	ContextWindow     *int                  `json:"-"`
	UUID              string                `json:"uuid"`
	SessionID         string                `json:"session_id"`
}

InitMessage reports the typed init system message emitted by the CLI transcript.

func (*InitMessage) MessageType added in v0.0.7 

func (m *InitMessage) MessageType() string

MessageType implements the Message interface.

type InitPluginInfo added in v0.0.7 

type InitPluginInfo struct {
	Name   string  `json:"name"`
	Path   string  `json:"path"`
	Source *string `json:"source,omitempty"`
}

InitPluginInfo describes one plugin entry in the init system message.

type InputDocumentBlock added in v0.0.5 

type InputDocumentBlock struct {
	Type   string       `json:"type"`
	Source Base64Source `json:"source"`
}

InputDocumentBlock contains an inline PDF document input for multimodal prompts.

func (*InputDocumentBlock) BlockType added in v0.0.5 

func (b *InputDocumentBlock) BlockType() string

BlockType implements the ContentBlock interface.

type InputImageBlock added in v0.0.5 

type InputImageBlock struct {
	Type   string       `json:"type"`
	Source Base64Source `json:"source"`
}

InputImageBlock contains an inline image input for multimodal prompts.

func (*InputImageBlock) BlockType added in v0.0.5 

func (b *InputImageBlock) BlockType() string

BlockType implements the ContentBlock interface.

type LocalCommandOutputMessage added in v0.0.7 

type LocalCommandOutputMessage struct {
	SystemMessage
	Content   string `json:"content"`
	UUID      string `json:"uuid"`
	SessionID string `json:"session_id"`
}

LocalCommandOutputMessage reports output from a local slash command.

func (*LocalCommandOutputMessage) MessageType added in v0.0.7 

func (m *LocalCommandOutputMessage) MessageType() string

MessageType implements the Message interface.

type Message 

type Message interface {
	MessageType() string
}

Message represents any message in the conversation. Use type assertion or type switch to determine the concrete type.

func Parse 

func Parse(log *slog.Logger, payload any) (Message, error)

Parse converts a raw JSON map into a typed Message.

The logger is used to log debug information about message parsing, including warnings for unknown message types or malformed data.

Returns an error if the message type is missing, invalid, or if parsing fails.

type ModelUsage added in v0.0.7 

type ModelUsage struct {
	InputTokens              int     `json:"inputTokens"`
	OutputTokens             int     `json:"outputTokens"`
	CacheReadInputTokens     int     `json:"cacheReadInputTokens"`
	CacheCreationInputTokens int     `json:"cacheCreationInputTokens"`
	WebSearchRequests        int     `json:"webSearchRequests"`
	CostUSD                  float64 `json:"costUSD"`
	ContextWindow            int     `json:"contextWindow"`
	MaxOutputTokens          int     `json:"maxOutputTokens"`
}

ModelUsage describes per-model token and cost usage for a terminal result.

type PermissionDenial added in v0.0.7 

type PermissionDenial struct {
	ToolName  string         `json:"tool_name"`
	ToolUseID string         `json:"tool_use_id"`
	ToolInput map[string]any `json:"tool_input"`
}

PermissionDenial describes one denied tool attempt captured in the result.

type PostTurnSummaryMessage added in v0.0.7 

type PostTurnSummaryMessage struct {
	SystemMessage
	SummarizesUUID string   `json:"summarizes_uuid"`
	StatusCategory string   `json:"status_category"`
	StatusDetail   string   `json:"status_detail"`
	IsNoteworthy   bool     `json:"is_noteworthy"`
	Title          string   `json:"title"`
	Description    string   `json:"description"`
	RecentAction   string   `json:"recent_action"`
	NeedsAction    string   `json:"needs_action"`
	ArtifactURLs   []string `json:"artifact_urls"`
	UUID           string   `json:"uuid"`
	SessionID      string   `json:"session_id"`
}

PostTurnSummaryMessage reports a background turn summary.

func (*PostTurnSummaryMessage) MessageType added in v0.0.7 

func (m *PostTurnSummaryMessage) MessageType() string

MessageType implements the Message interface.

type PromptSuggestionMessage added in v0.0.7 

type PromptSuggestionMessage struct {
	Type       string         `json:"type"`
	Suggestion string         `json:"suggestion"`
	UUID       string         `json:"uuid"`
	SessionID  string         `json:"session_id"`
	Audit      *AuditEnvelope `json:"-"`
}

PromptSuggestionMessage reports a predicted next prompt.

func (*PromptSuggestionMessage) MessageType added in v0.0.7 

func (m *PromptSuggestionMessage) MessageType() string

MessageType implements the Message interface.

type RateLimitEvent added in v0.0.6 

type RateLimitEvent struct {
	Type          string         `json:"type"`
	RateLimitInfo RateLimitInfo  `json:"rate_limit_info"`
	UUID          string         `json:"uuid"`
	SessionID     string         `json:"session_id"`
	Audit         *AuditEnvelope `json:"-"`
}

RateLimitEvent represents a rate limit event from the Claude CLI.

func (*RateLimitEvent) MessageType added in v0.0.6 

func (m *RateLimitEvent) MessageType() string

MessageType implements the Message interface.

type RateLimitInfo added in v0.0.6 

type RateLimitInfo struct {
	Status                RateLimitStatus                 `json:"status"`
	ResetsAt              *int64                          `json:"resetsAt,omitempty"`
	RateLimitType         *RateLimitType                  `json:"rateLimitType,omitempty"`
	Utilization           *float64                        `json:"utilization,omitempty"`
	OverageStatus         *RateLimitStatus                `json:"overageStatus,omitempty"`
	OverageResetsAt       *int64                          `json:"overageResetsAt,omitempty"`
	OverageDisabledReason *RateLimitOverageDisabledReason `json:"overageDisabledReason,omitempty"`
	IsUsingOverage        *bool                           `json:"isUsingOverage,omitempty"`
	SurpassedThreshold    *float64                        `json:"surpassedThreshold,omitempty"`
	Raw                   map[string]any                  `json:"-"`
}

RateLimitInfo contains detailed information about a rate limit check.

type RateLimitOverageDisabledReason added in v0.0.7 

type RateLimitOverageDisabledReason string

RateLimitOverageDisabledReason identifies why overage is disabled. 

const (
	RateLimitOverageDisabledReasonOverageNotProvisioned     RateLimitOverageDisabledReason = "overage_not_provisioned"
	RateLimitOverageDisabledReasonOrgLevelDisabled          RateLimitOverageDisabledReason = "org_level_disabled"
	RateLimitOverageDisabledReasonOrgLevelDisabledUntil     RateLimitOverageDisabledReason = "org_level_disabled_until"
	RateLimitOverageDisabledReasonOutOfCredits              RateLimitOverageDisabledReason = "out_of_credits"
	RateLimitOverageDisabledReasonSeatTierLevelDisabled     RateLimitOverageDisabledReason = "seat_tier_level_disabled"
	RateLimitOverageDisabledReasonMemberLevelDisabled       RateLimitOverageDisabledReason = "member_level_disabled"
	RateLimitOverageDisabledReasonSeatTierZeroCreditLimit   RateLimitOverageDisabledReason = "seat_tier_zero_credit_limit"
	RateLimitOverageDisabledReasonGroupZeroCreditLimit      RateLimitOverageDisabledReason = "group_zero_credit_limit"
	RateLimitOverageDisabledReasonMemberZeroCreditLimit     RateLimitOverageDisabledReason = "member_zero_credit_limit"
	RateLimitOverageDisabledReasonOrgServiceLevelDisabled   RateLimitOverageDisabledReason = "org_service_level_disabled"
	RateLimitOverageDisabledReasonOrgServiceZeroCreditLimit RateLimitOverageDisabledReason = "org_service_zero_credit_limit"
	RateLimitOverageDisabledReasonNoLimitsConfigured        RateLimitOverageDisabledReason = "no_limits_configured"
	RateLimitOverageDisabledReasonUnknown                   RateLimitOverageDisabledReason = "unknown"
)

type RateLimitStatus added in v0.0.6 

type RateLimitStatus string

RateLimitStatus represents the status of a rate limit check. 

const (
	// RateLimitStatusAllowed indicates the request is within rate limits.
	RateLimitStatusAllowed RateLimitStatus = "allowed"
	// RateLimitStatusAllowedWarning indicates the request is allowed but approaching limits.
	RateLimitStatusAllowedWarning RateLimitStatus = "allowed_warning"
	// RateLimitStatusRejected indicates the request was rejected due to rate limits.
	RateLimitStatusRejected RateLimitStatus = "rejected"
)

type RateLimitType added in v0.0.6 

type RateLimitType string

RateLimitType represents the type of rate limit window. 

const (
	// RateLimitTypeFiveHour represents a 5-hour rate limit window.
	RateLimitTypeFiveHour RateLimitType = "five_hour"
	// RateLimitTypeSevenDay represents a 7-day rate limit window.
	RateLimitTypeSevenDay RateLimitType = "seven_day"
	// RateLimitTypeSevenDayOpus represents a 7-day rate limit for Opus models.
	RateLimitTypeSevenDayOpus RateLimitType = "seven_day_opus"
	// RateLimitTypeSevenDaySonnet represents a 7-day rate limit for Sonnet models.
	RateLimitTypeSevenDaySonnet RateLimitType = "seven_day_sonnet"
	// RateLimitTypeOverage represents an overage rate limit.
	RateLimitTypeOverage RateLimitType = "overage"
)

type RawStreamEvent added in v0.0.7 

type RawStreamEvent map[string]any

RawStreamEvent preserves the provider-native Anthropic stream event payload.

type ResultMessage 

type ResultMessage struct {
	Type              string                `json:"type"`
	Subtype           ResultSubtype         `json:"subtype"`
	DurationMs        int                   `json:"duration_ms"`
	DurationAPIMs     int                   `json:"duration_api_ms"`
	IsError           bool                  `json:"is_error"`
	NumTurns          int                   `json:"num_turns"`
	SessionID         string                `json:"session_id"`
	StopReason        *string               `json:"stop_reason,omitempty"`
	TotalCostUSD      *float64              `json:"total_cost_usd,omitempty"`
	Usage             *Usage                `json:"usage,omitempty"`
	Result            *string               `json:"result,omitempty"`
	StructuredOutput  any                   `json:"structured_output,omitempty"`
	ModelUsage        map[string]ModelUsage `json:"modelUsage,omitempty"`
	PermissionDenials []PermissionDenial    `json:"permission_denials,omitempty"`
	Errors            []string              `json:"errors,omitempty"`
	FastModeState     *fastmode.State       `json:"fast_mode_state,omitempty"`
	UUID              *string               `json:"uuid,omitempty"`
	Audit             *AuditEnvelope        `json:"-"`
}

ResultMessage represents the final result of a query.

func (*ResultMessage) MessageType 

func (m *ResultMessage) MessageType() string

MessageType implements the Message interface.

type ResultSubtype added in v0.0.7 

type ResultSubtype string

ResultSubtype identifies the terminal result reason. 

const (
	// ResultSubtypeSuccess indicates normal completion.
	ResultSubtypeSuccess ResultSubtype = "success"
	// ResultSubtypeErrorDuringExecution indicates a runtime execution error.
	ResultSubtypeErrorDuringExecution ResultSubtype = "error_during_execution"
	// ResultSubtypeErrorMaxTurns indicates the max-turn budget was exhausted.
	ResultSubtypeErrorMaxTurns ResultSubtype = "error_max_turns"
	// ResultSubtypeErrorMaxBudgetUSD indicates the USD budget was exhausted.
	ResultSubtypeErrorMaxBudgetUSD ResultSubtype = "error_max_budget_usd"
	// ResultSubtypeErrorMaxStructuredOutputRetries indicates structured output retries were exhausted.
	ResultSubtypeErrorMaxStructuredOutputRetries ResultSubtype = "error_max_structured_output_retries"
)

type SessionState added in v0.0.7 

type SessionState string

SessionState identifies the current live session state. 

const (
	// SessionStateIdle indicates the session is idle.
	SessionStateIdle SessionState = "idle"
	// SessionStateRunning indicates the session is running.
	SessionStateRunning SessionState = "running"
	// SessionStateRequiresAction indicates the session requires action.
	SessionStateRequiresAction SessionState = "requires_action"
)

type SessionStateChangedMessage added in v0.0.7 

type SessionStateChangedMessage struct {
	SystemMessage
	State     SessionState `json:"state"`
	UUID      string       `json:"uuid"`
	SessionID string       `json:"session_id"`
}

SessionStateChangedMessage reports authoritative session state changes.

func (*SessionStateChangedMessage) MessageType added in v0.0.7 

func (m *SessionStateChangedMessage) MessageType() string

MessageType implements the Message interface.

type StatusMessage added in v0.0.7 

type StatusMessage struct {
	SystemMessage
	Status         *StatusState `json:"status,omitempty"`
	PermissionMode *string      `json:"permissionMode,omitempty"`
	UUID           string       `json:"uuid"`
	SessionID      string       `json:"session_id"`
}

StatusMessage reports session status changes.

func (*StatusMessage) MessageType added in v0.0.7 

func (m *StatusMessage) MessageType() string

MessageType implements the Message interface.

type StatusState added in v0.0.7 

type StatusState string

StatusState identifies a session status value. 

const (
	// StatusStateCompacting indicates the session is compacting.
	StatusStateCompacting StatusState = "compacting"
)

type StreamEvent 

type StreamEvent struct {
	UUID            string         `json:"uuid"`
	SessionID       string         `json:"session_id"`
	Event           RawStreamEvent `json:"event"`
	ParentUUID      *string        `json:"parent_uuid,omitempty"`
	ParentToolUseID *string        `json:"parent_tool_use_id,omitempty"`
	Audit           *AuditEnvelope `json:"-"`
}

StreamEvent represents a streaming event from the Claude API. ParentToolUseID preserves tool-branch context for partial assistant output.

func (*StreamEvent) MessageType 

func (m *StreamEvent) MessageType() string

MessageType implements the Message interface.

type StreamingMessage 

type StreamingMessage struct {
	Type            string                    `json:"type"`                         // "user"
	Message         StreamingMessageContent   `json:"message"`                      // The message content
	ParentToolUseID *string                   `json:"parent_tool_use_id,omitempty"` // Optional parent tool use ID
	SessionID       string                    `json:"session_id,omitempty"`         // Optional session ID
	Priority        *StreamingMessagePriority `json:"priority,omitempty"`           // Optional queue priority
}

StreamingMessage represents a message sent via stdin in streaming mode. This is used with --input-format stream-json to send messages to the CLI.

type StreamingMessageContent 

type StreamingMessageContent struct {
	Role    string             `json:"role"`    // "user"
	Content UserMessageContent `json:"content"` // The user content
}

StreamingMessageContent represents the content of a streaming message.

type StreamingMessagePriority added in v0.0.7 

type StreamingMessagePriority string

StreamingMessagePriority controls scheduling order for streamed user messages. 

const (
	// StreamingMessagePriorityNow executes immediately ahead of queued messages.
	StreamingMessagePriorityNow StreamingMessagePriority = "now"
	// StreamingMessagePriorityNext executes after the current turn and before notifications.
	StreamingMessagePriorityNext StreamingMessagePriority = "next"
	// StreamingMessagePriorityLater executes after higher-priority queued messages.
	StreamingMessagePriorityLater StreamingMessagePriority = "later"
)

type StreamlinedTextMessage added in v0.0.7 

type StreamlinedTextMessage struct {
	Type      string         `json:"type"`
	Text      string         `json:"text"`
	UUID      string         `json:"uuid"`
	SessionID string         `json:"session_id"`
	Audit     *AuditEnvelope `json:"-"`
}

StreamlinedTextMessage reports text-only streamlined output.

func (*StreamlinedTextMessage) MessageType added in v0.0.7 

func (m *StreamlinedTextMessage) MessageType() string

MessageType implements the Message interface.

type StreamlinedToolUseSummaryMessage added in v0.0.7 

type StreamlinedToolUseSummaryMessage struct {
	Type        string         `json:"type"`
	ToolSummary string         `json:"tool_summary"`
	UUID        string         `json:"uuid"`
	SessionID   string         `json:"session_id"`
	Audit       *AuditEnvelope `json:"-"`
}

StreamlinedToolUseSummaryMessage reports streamlined tool-use summaries.

func (*StreamlinedToolUseSummaryMessage) MessageType added in v0.0.7 

func (m *StreamlinedToolUseSummaryMessage) MessageType() string

MessageType implements the Message interface.

type StructuredOutputTracker added in v0.0.2 

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

StructuredOutputTracker captures StructuredOutput tool payloads so they can be promoted onto the final ResultMessage for compatibility with callers that expect structured output there.

func NewStructuredOutputTracker added in v0.0.2 

func NewStructuredOutputTracker() *StructuredOutputTracker

NewStructuredOutputTracker creates a tracker for raw Claude CLI messages.

func (*StructuredOutputTracker) ObserveRaw added in v0.0.2 

func (t *StructuredOutputTracker) ObserveRaw(raw map[string]any)

ObserveRaw records StructuredOutput tool invocations from raw assistant messages keyed by session ID.

func (*StructuredOutputTracker) PopulateResult added in v0.0.2 

func (t *StructuredOutputTracker) PopulateResult(result *ResultMessage)

PopulateResult copies a tracked structured output payload onto a result message when the CLI emitted it through the StructuredOutput tool instead of directly on the result envelope.

type SystemMessage 

type SystemMessage struct {
	Type    string         `json:"type"`
	Subtype string         `json:"subtype,omitempty"`
	Data    map[string]any `json:"data,omitempty"`
	Audit   *AuditEnvelope `json:"-"`
}

SystemMessage represents a system message.

func (*SystemMessage) MessageType 

func (m *SystemMessage) MessageType() string

MessageType implements the Message interface.

type TaskNotificationMessage added in v0.0.2 

type TaskNotificationMessage struct {
	SystemMessage
	TaskID     string                 `json:"task_id"`
	Status     TaskNotificationStatus `json:"status"`
	OutputFile string                 `json:"output_file"`
	Summary    string                 `json:"summary"`
	UUID       string                 `json:"uuid"`
	SessionID  string                 `json:"session_id"`
	ParentUUID *string                `json:"parent_uuid,omitempty"`
	ToolUseID  *string                `json:"tool_use_id,omitempty"`
	Usage      *TaskUsage             `json:"usage,omitempty"`
}

TaskNotificationMessage is emitted when a task completes, fails, or is stopped.

type TaskNotificationStatus added in v0.0.2 

type TaskNotificationStatus string

TaskNotificationStatus represents the final status of a task. 

const (
	// TaskNotificationStatusCompleted indicates the task finished successfully.
	TaskNotificationStatusCompleted TaskNotificationStatus = "completed"
	// TaskNotificationStatusFailed indicates the task failed.
	TaskNotificationStatusFailed TaskNotificationStatus = "failed"
	// TaskNotificationStatusStopped indicates the task was stopped by control request.
	TaskNotificationStatusStopped TaskNotificationStatus = "stopped"
)

type TaskProgressMessage added in v0.0.2 

type TaskProgressMessage struct {
	SystemMessage
	TaskID       string    `json:"task_id"`
	Description  string    `json:"description"`
	Usage        TaskUsage `json:"usage"`
	UUID         string    `json:"uuid"`
	SessionID    string    `json:"session_id"`
	ParentUUID   *string   `json:"parent_uuid,omitempty"`
	ToolUseID    *string   `json:"tool_use_id,omitempty"`
	LastToolName *string   `json:"last_tool_name,omitempty"`
	Summary      *string   `json:"summary,omitempty"`
}

TaskProgressMessage is emitted while a task is in progress.

type TaskStartedMessage added in v0.0.2 

type TaskStartedMessage struct {
	SystemMessage
	TaskID       string    `json:"task_id"`
	Description  string    `json:"description"`
	UUID         string    `json:"uuid"`
	SessionID    string    `json:"session_id"`
	ParentUUID   *string   `json:"parent_uuid,omitempty"`
	ToolUseID    *string   `json:"tool_use_id,omitempty"`
	TaskType     *TaskType `json:"task_type,omitempty"`
	WorkflowName *string   `json:"workflow_name,omitempty"`
}

TaskStartedMessage is emitted when a task starts.

type TaskType added in v0.0.7 

type TaskType string

TaskType identifies the runtime class of a task. 

const (
	TaskTypeLocalBash         TaskType = "local_bash"
	TaskTypeLocalAgent        TaskType = "local_agent"
	TaskTypeRemoteAgent       TaskType = "remote_agent"
	TaskTypeInProcessTeammate TaskType = "in_process_teammate"
	TaskTypeLocalWorkflow     TaskType = "local_workflow"
	TaskTypeMonitorMCP        TaskType = "monitor_mcp"
	TaskTypeDream             TaskType = "dream"
)

type TaskUsage added in v0.0.2 

type TaskUsage struct {
	TotalTokens int `json:"total_tokens"`
	ToolUses    int `json:"tool_uses"`
	DurationMs  int `json:"duration_ms"`
}

TaskUsage contains task usage statistics from task progress events.

type TextBlock 

type TextBlock struct {
	Type string `json:"type"`
	Text string `json:"text"`
}

TextBlock contains plain text content.

func (*TextBlock) BlockType 

func (b *TextBlock) BlockType() string

BlockType implements the ContentBlock interface.

type ThinkingBlock 

type ThinkingBlock struct {
	Type      string `json:"type"`
	Thinking  string `json:"thinking"`
	Signature string `json:"signature"`
}

ThinkingBlock contains Claude's thinking process.

func (*ThinkingBlock) BlockType 

func (b *ThinkingBlock) BlockType() string

BlockType implements the ContentBlock interface.

type ToolProgressMessage added in v0.0.7 

type ToolProgressMessage struct {
	Type            string         `json:"type"`
	ToolUseID       string         `json:"tool_use_id"`
	ToolName        string         `json:"tool_name"`
	ParentUUID      *string        `json:"parent_uuid,omitempty"`
	ParentToolUseID *string        `json:"parent_tool_use_id,omitempty"`
	ElapsedTimeSecs float64        `json:"elapsed_time_seconds"`
	TaskID          *string        `json:"task_id,omitempty"`
	UUID            string         `json:"uuid"`
	SessionID       string         `json:"session_id"`
	Audit           *AuditEnvelope `json:"-"`
}

ToolProgressMessage reports long-running tool execution progress.

func (*ToolProgressMessage) MessageType added in v0.0.7 

func (m *ToolProgressMessage) MessageType() string

MessageType implements the Message interface.

type ToolReferenceBlock added in v0.0.2 

type ToolReferenceBlock struct {
	Type     string `json:"type"`
	ToolName string `json:"tool_name"`
}

ToolReferenceBlock points to a deferred tool selected by Claude tool search.

func (*ToolReferenceBlock) BlockType added in v0.0.2 

func (b *ToolReferenceBlock) BlockType() string

BlockType implements the ContentBlock interface.

type ToolResultBlock 

type ToolResultBlock struct {
	Type      string         `json:"type"`
	ToolUseID string         `json:"tool_use_id"`
	Content   []ContentBlock `json:"content,omitempty"`
	IsError   bool           `json:"is_error,omitempty"`
}

ToolResultBlock contains the result of a tool execution.

func (*ToolResultBlock) BlockType 

func (b *ToolResultBlock) BlockType() string

BlockType implements the ContentBlock interface.

func (*ToolResultBlock) UnmarshalJSON 

func (b *ToolResultBlock) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Unmarshaler for ToolResultBlock. Claude CLI tool results may arrive as a plain string or structured blocks.

type ToolUseBlock 

type ToolUseBlock struct {
	Type              string                     `json:"type"`
	ID                string                     `json:"id"`
	Name              string                     `json:"name"`
	Input             map[string]any             `json:"input"`
	Category          toolmeta.Category          `json:"-"`
	ConcurrencySafe   bool                       `json:"-"`
	InterruptBehavior toolmeta.InterruptBehavior `json:"-"`
}

ToolUseBlock represents Claude using a tool.

func (*ToolUseBlock) BlockType 

func (b *ToolUseBlock) BlockType() string

BlockType implements the ContentBlock interface.

type ToolUseSummaryMessage added in v0.0.7 

type ToolUseSummaryMessage struct {
	Type                string         `json:"type"`
	Summary             string         `json:"summary"`
	PrecedingToolUseIDs []string       `json:"preceding_tool_use_ids"`
	UUID                string         `json:"uuid"`
	SessionID           string         `json:"session_id"`
	Audit               *AuditEnvelope `json:"-"`
}

ToolUseSummaryMessage reports a summarized tool-use event.

func (*ToolUseSummaryMessage) MessageType added in v0.0.7 

func (m *ToolUseSummaryMessage) MessageType() string

MessageType implements the Message interface.

type UnknownBlock added in v0.0.2 

type UnknownBlock struct {
	Type string         `json:"type"`
	Raw  map[string]any `json:"raw,omitempty"`
}

UnknownBlock preserves unrecognized content block payloads without failing parsing.

func (*UnknownBlock) BlockType added in v0.0.2 

func (b *UnknownBlock) BlockType() string

BlockType implements the ContentBlock interface.

func (*UnknownBlock) MarshalJSON added in v0.0.2 

func (b *UnknownBlock) MarshalJSON() ([]byte, error)

MarshalJSON preserves the original block payload for round-tripping.

type UnknownMessage added in v0.0.7 

type UnknownMessage struct {
	Type  string         `json:"type"`
	Data  map[string]any `json:"data"`
	Audit *AuditEnvelope `json:"-"`
}

UnknownMessage preserves unrecognized top-level message payloads.

func (*UnknownMessage) MessageType added in v0.0.7 

func (m *UnknownMessage) MessageType() string

MessageType implements the Message interface.

type Usage 

type Usage struct {
	InputTokens           int `json:"input_tokens"`
	OutputTokens          int `json:"output_tokens"`
	CachedInputTokens     int `json:"cached_input_tokens"`
	ReasoningOutputTokens int `json:"reasoning_output_tokens"`
}

Usage contains token usage information.

type UserMessage 

type UserMessage struct {
	Type            string                    `json:"type"`
	Content         UserMessageContent        `json:"content"`
	UUID            *string                   `json:"uuid,omitempty"`
	SessionID       *string                   `json:"session_id,omitempty"`
	ParentUUID      *string                   `json:"parent_uuid,omitempty"`
	ParentToolUseID *string                   `json:"parent_tool_use_id,omitempty"`
	Priority        *StreamingMessagePriority `json:"priority,omitempty"`
	Timestamp       *string                   `json:"timestamp,omitempty"`
	IsReplay        bool                      `json:"isReplay,omitempty"`
	IsSynthetic     bool                      `json:"isSynthetic,omitempty"`
	ToolUseResult   map[string]any            `json:"tool_use_result,omitempty"`
	Audit           *AuditEnvelope            `json:"-"`
}

UserMessage represents a message from the user.

func (*UserMessage) MessageType 

func (m *UserMessage) MessageType() string

MessageType implements the Message interface.

type UserMessageContent 

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

UserMessageContent represents Claude CLI user message content. Top-level user prompts are emitted as plain strings, while structured responses can use content blocks.

func NewUserMessageContent 

func NewUserMessageContent(text string) UserMessageContent

NewUserMessageContent creates UserMessageContent from a string.

func NewUserMessageContentBlocks 

func NewUserMessageContentBlocks(blocks []ContentBlock) UserMessageContent

NewUserMessageContentBlocks creates UserMessageContent from blocks.

func (*UserMessageContent) Blocks 

func (c *UserMessageContent) Blocks() []ContentBlock

Blocks returns content as []ContentBlock (normalizes string to TextBlock).

func (*UserMessageContent) IsString 

func (c *UserMessageContent) IsString() bool

IsString returns true if content was originally a string.

func (UserMessageContent) MarshalJSON 

func (c UserMessageContent) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler. Outputs string if content is string, otherwise outputs array of blocks.

func (*UserMessageContent) String 

func (c *UserMessageContent) String() string

String returns the string content if it was originally a string, or empty string.

func (*UserMessageContent) UnmarshalJSON 

func (c *UserMessageContent) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Unmarshaler for the Claude CLI content shapes.

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