hookruntime

type ClaudeHookInput struct {
	SessionID        string         `json:"session_id"`
	SessionIDAlt     string         `json:"sessionId"`
	HookEventName    string         `json:"hook_event_name"`
	HookEventNameAlt string         `json:"hookEventName"`
	HookEventLegacy  string         `json:"hook_event"`
	ToolName         string         `json:"tool_name"`
	ToolNameAlt      string         `json:"toolName"`
	ToolInput        map[string]any `json:"tool_input"`
	ToolInputAlt     map[string]any `json:"toolInput"`
	ToolResponse     map[string]any `json:"tool_response"`
	ToolResponseAlt  map[string]any `json:"toolResponse"`
	ToolUseID        string         `json:"tool_use_id"`
	ToolUseIDAlt     string         `json:"toolUseId"`
	ToolUseIDUpper   string         `json:"toolUseID"`
	CWD              string         `json:"cwd"`
	PermissionMode   *string        `json:"permission_mode"`
	DurationMs       *int64         `json:"duration_ms"`
	Error            *string        `json:"error"`
	IsInterrupt      *bool          `json:"is_interrupt"`
}

type Codec interface {
	DecodeHookEvent([]byte) (Event, error)
	EncodeHookResult(Event, Result) ([]byte, error)
}

type Decision string

type Event struct {
	SessionID      string
	Agent          string
	HookEventName  string
	ToolName       string
	ToolInput      map[string]any
	ToolResponse   map[string]any
	ToolUseID      string
	CWD            string
	PermissionMode string
	DurationMs     *int64
	Error          string
	IsInterrupt    *bool
}

type Result struct {
	Decision     Decision
	Reason       string
	ReasonCode   string
	RequestID    string
	Mode         string
	Epoch        string
	UpdatedInput map[string]any
}

type Sink interface {
	ProcessHookEvent(Event) (Result, error)
}

type SinkFunc func(Event) (Result, error)