/**
 * AgentEvent union type and all event discriminants for @a5c-ai/agent-mux.
 *
 * 67 event types across 18 categories. All extend BaseEvent with a `type`
 * discriminant, `runId`, `agent`, and `timestamp`.
 */
import type { CostRecord } from './types.js';
export type { BaseEvent } from './types.js';
import type { BaseEvent } from './types.js';
export interface SessionStartEvent extends BaseEvent {
    type: 'session_start';
    sessionId: string;
    resumed: boolean;
    forkedFrom?: string;
}
export interface SessionResumeEvent extends BaseEvent {
    type: 'session_resume';
    sessionId: string;
    priorTurnCount: number;
}
export interface SessionForkEvent extends BaseEvent {
    type: 'session_fork';
    sessionId: string;
    forkedFrom: string;
}
export interface SessionCheckpointEvent extends BaseEvent {
    type: 'session_checkpoint';
    sessionId: string;
    checkpointId: string;
}
export interface SessionEndEvent extends BaseEvent {
    type: 'session_end';
    sessionId: string;
    turnCount: number;
    cost?: CostRecord;
}
export interface TurnStartEvent extends BaseEvent {
    type: 'turn_start';
    turnIndex: number;
}
export interface TurnEndEvent extends BaseEvent {
    type: 'turn_end';
    turnIndex: number;
    cost?: CostRecord;
}
export interface StepStartEvent extends BaseEvent {
    type: 'step_start';
    turnIndex: number;
    stepIndex: number;
    stepType: string;
}
export interface StepEndEvent extends BaseEvent {
    type: 'step_end';
    turnIndex: number;
    stepIndex: number;
}
export interface MessageStartEvent extends BaseEvent {
    type: 'message_start';
}
export interface TextDeltaEvent extends BaseEvent {
    type: 'text_delta';
    delta: string;
    accumulated: string;
}
export interface MessageStopEvent extends BaseEvent {
    type: 'message_stop';
    text: string;
}
export interface ThinkingStartEvent extends BaseEvent {
    type: 'thinking_start';
    effort?: string;
}
export interface ThinkingDeltaEvent extends BaseEvent {
    type: 'thinking_delta';
    delta: string;
    accumulated: string;
}
export interface ThinkingStopEvent extends BaseEvent {
    type: 'thinking_stop';
    thinking: string;
}
export interface ToolCallStartEvent extends BaseEvent {
    type: 'tool_call_start';
    toolCallId: string;
    toolName: string;
    inputAccumulated: string;
}
export interface ToolInputDeltaEvent extends BaseEvent {
    type: 'tool_input_delta';
    toolCallId: string;
    delta: string;
    inputAccumulated: string;
}
export interface ToolCallReadyEvent extends BaseEvent {
    type: 'tool_call_ready';
    toolCallId: string;
    toolName: string;
    input: unknown;
}
export interface ToolResultEvent extends BaseEvent {
    type: 'tool_result';
    toolCallId: string;
    toolName: string;
    output: unknown;
    durationMs: number;
}
export interface ToolErrorEvent extends BaseEvent {
    type: 'tool_error';
    toolCallId: string;
    toolName: string;
    error: string;
}
export interface FileReadEvent extends BaseEvent {
    type: 'file_read';
    path: string;
}
export interface FileWriteEvent extends BaseEvent {
    type: 'file_write';
    path: string;
    byteCount: number;
}
export interface FileCreateEvent extends BaseEvent {
    type: 'file_create';
    path: string;
    byteCount: number;
}
export interface FileDeleteEvent extends BaseEvent {
    type: 'file_delete';
    path: string;
}
export interface FilePatchEvent extends BaseEvent {
    type: 'file_patch';
    path: string;
    diff: string;
}
export interface ShellStartEvent extends BaseEvent {
    type: 'shell_start';
    command: string;
    cwd: string;
}
export interface ShellStdoutDeltaEvent extends BaseEvent {
    type: 'shell_stdout_delta';
    delta: string;
}
export interface ShellStderrDeltaEvent extends BaseEvent {
    type: 'shell_stderr_delta';
    delta: string;
}
export interface ShellExitEvent extends BaseEvent {
    type: 'shell_exit';
    exitCode: number;
    durationMs: number;
}
export interface McpToolCallStartEvent extends BaseEvent {
    type: 'mcp_tool_call_start';
    toolCallId: string;
    server: string;
    toolName: string;
    input: unknown;
}
export interface McpToolResultEvent extends BaseEvent {
    type: 'mcp_tool_result';
    toolCallId: string;
    server: string;
    toolName: string;
    output: unknown;
}
export interface McpToolErrorEvent extends BaseEvent {
    type: 'mcp_tool_error';
    toolCallId: string;
    server: string;
    toolName: string;
    error: string;
}
export interface SubagentSpawnEvent extends BaseEvent {
    type: 'subagent_spawn';
    subagentId: string;
    agentName: string;
    prompt: string;
}
export interface SubagentResultEvent extends BaseEvent {
    type: 'subagent_result';
    subagentId: string;
    agentName: string;
    summary: string;
    cost?: CostRecord;
}
export interface SubagentErrorEvent extends BaseEvent {
    type: 'subagent_error';
    subagentId: string;
    agentName: string;
    error: string;
}
export interface PluginLoadedEvent extends BaseEvent {
    type: 'plugin_loaded';
    pluginId: string;
    pluginName: string;
    version: string;
}
export interface PluginInvokedEvent extends BaseEvent {
    type: 'plugin_invoked';
    pluginId: string;
    pluginName: string;
}
export interface PluginErrorEvent extends BaseEvent {
    type: 'plugin_error';
    pluginId: string;
    pluginName: string;
    error: string;
}
export interface SkillLoadedEvent extends BaseEvent {
    type: 'skill_loaded';
    skillName: string;
    source: string;
}
export interface SkillInvokedEvent extends BaseEvent {
    type: 'skill_invoked';
    skillName: string;
}
export interface AgentdocReadEvent extends BaseEvent {
    type: 'agentdoc_read';
    path: string;
}
export interface ImageOutputEvent extends BaseEvent {
    type: 'image_output';
    mimeType: string;
    base64?: string;
    filePath?: string;
}
export interface ImageInputAckEvent extends BaseEvent {
    type: 'image_input_ack';
    mimeType: string;
}
export interface CostEvent extends BaseEvent {
    type: 'cost';
    cost: CostRecord;
}
export interface TokenUsageEvent extends BaseEvent {
    type: 'token_usage';
    inputTokens: number;
    outputTokens: number;
    thinkingTokens?: number;
    cachedTokens?: number;
}
export interface InputRequiredEvent extends BaseEvent {
    type: 'input_required';
    interactionId: string;
    question: string;
    context?: string;
    source: 'agent' | 'tool';
}
export interface ApprovalRequestEvent extends BaseEvent {
    type: 'approval_request';
    interactionId: string;
    action: string;
    detail: string;
    toolName?: string;
    riskLevel: 'low' | 'medium' | 'high';
}
export interface ApprovalGrantedEvent extends BaseEvent {
    type: 'approval_granted';
    interactionId: string;
}
export interface ApprovalDeniedEvent extends BaseEvent {
    type: 'approval_denied';
    interactionId: string;
    reason?: string;
}
export type { RateLimitedEvent, ContextLimitWarningEvent, ContextCompactedEvent, RetryEvent, InterruptedEvent, AbortedEvent, PausedEvent, ResumedEvent, TimeoutEvent, TurnLimitEvent, StreamFallbackEvent, AuthErrorEvent, RateLimitErrorEvent, ContextExceededEvent, CrashEvent, ErrorEvent, DebugEvent, LogEvent, } from './events-control.js';
import type { RateLimitedEvent, ContextLimitWarningEvent, ContextCompactedEvent, RetryEvent, InterruptedEvent, AbortedEvent, PausedEvent, ResumedEvent, TimeoutEvent, TurnLimitEvent, StreamFallbackEvent, AuthErrorEvent, RateLimitErrorEvent, ContextExceededEvent, CrashEvent, ErrorEvent, DebugEvent, LogEvent } from './events-control.js';
/**
 * The complete discriminated union of all 67 event types emitted by agent-mux.
 *
 * The `type` field is the discriminant. TypeScript narrowing works out of
 * the box: `if (event.type === 'text_delta') { event.delta; /* TextDeltaEvent *\/ }`
 */
export type AgentEvent = SessionStartEvent | SessionResumeEvent | SessionForkEvent | SessionCheckpointEvent | SessionEndEvent | TurnStartEvent | TurnEndEvent | StepStartEvent | StepEndEvent | MessageStartEvent | TextDeltaEvent | MessageStopEvent | ThinkingStartEvent | ThinkingDeltaEvent | ThinkingStopEvent | ToolCallStartEvent | ToolInputDeltaEvent | ToolCallReadyEvent | ToolResultEvent | ToolErrorEvent | FileReadEvent | FileWriteEvent | FileCreateEvent | FileDeleteEvent | FilePatchEvent | ShellStartEvent | ShellStdoutDeltaEvent | ShellStderrDeltaEvent | ShellExitEvent | McpToolCallStartEvent | McpToolResultEvent | McpToolErrorEvent | SubagentSpawnEvent | SubagentResultEvent | SubagentErrorEvent | PluginLoadedEvent | PluginInvokedEvent | PluginErrorEvent | SkillLoadedEvent | SkillInvokedEvent | AgentdocReadEvent | ImageOutputEvent | ImageInputAckEvent | CostEvent | TokenUsageEvent | InputRequiredEvent | ApprovalRequestEvent | ApprovalGrantedEvent | ApprovalDeniedEvent | RateLimitedEvent | ContextLimitWarningEvent | ContextCompactedEvent | RetryEvent | InterruptedEvent | AbortedEvent | PausedEvent | ResumedEvent | TimeoutEvent | TurnLimitEvent | StreamFallbackEvent | AuthErrorEvent | RateLimitErrorEvent | ContextExceededEvent | CrashEvent | ErrorEvent | DebugEvent | LogEvent;
/** Extract the event type for a given discriminant string. */
export type EventOfType<T extends AgentEvent['type']> = Extract<AgentEvent, {
    type: T;
}>;
/** All valid event type discriminant strings. */
export type AgentEventType = AgentEvent['type'];
/** Handler function type for a given event type. */
export type AgentEventHandler<T extends AgentEventType> = (event: EventOfType<T>) => void;