import type { ChatContextCompactionMeta } from "./chat-context-compaction.js";
import type { ChatContinuityMeta } from "./chat-continuity.js";
import type { ChatActor, ChatMessage, ChatScope, ChatThread, ChatWorkflowTimelineEvent } from "./types/chat.js";
export interface ChatApiMeta {
    requestId: string;
    idempotencyKey?: string;
    idempotentReplay?: boolean;
    nextCursor?: string;
    policyDecisionId?: string;
    context?: ChatContextCompactionMeta;
    continuity?: ChatContinuityMeta;
}
export interface ChatApiSuccess<T> {
    data: T;
    meta: ChatApiMeta;
}
export interface ChatApiErrorBody {
    error: {
        code: string;
        message: string;
        requestId: string;
        retryable: boolean;
    };
}
export interface CreateChatThreadInput {
    requestId?: string;
    scope: ChatScope;
    title: string;
    actor: ChatActor;
}
export interface ListChatInput {
    requestId?: string;
    scope: ChatScope;
    limit?: number;
    cursor?: string;
}
export interface ChatThreadInput {
    requestId?: string;
    scope: ChatScope;
    threadId: string;
}
export interface ChatMessagesInput extends ChatThreadInput {
    limit?: number;
    cursor?: string;
    expectedLastMessageId?: string;
    expectedLastSequence?: number;
}
export interface ChatMessageInput extends ChatThreadInput {
    idempotencyKey?: string;
    actor: ChatActor;
    text: string;
    format?: "plain_text" | "markdown";
}
export interface ChatSendInput extends ChatMessageInput {
    stream?: boolean;
    contextBudgetTokens?: number;
    contextThresholdTokens?: number;
    contextRecentMessageCount?: number;
}
export type ChatStreamEventType = "message.created" | "message.delta" | "workflow.event" | "runtime.lifecycle" | "policy.blocked" | "error" | "complete";
export interface ChatStreamEvent {
    eventId: string;
    threadId: string;
    scope: ChatScope;
    createdAt: string;
    sequence: number;
    type: ChatStreamEventType;
    data: ChatStreamEventData;
}
export type ChatStreamEventData = {
    message: ChatMessage;
} | {
    text: string;
} | {
    workflowEvent: ChatWorkflowTimelineEvent;
} | {
    lifecycleStatus: string;
    runtimeEvent?: ChatWorkflowTimelineEvent;
} | {
    reasons: string[];
} | {
    code: string;
    message: string;
} | {
    thread: ChatThread;
} | {
    continuity: ChatContinuityMeta;
};
export interface ChatSendResult {
    message?: ChatMessage;
    events: ChatStreamEvent[];
    context?: ChatContextCompactionMeta;
    continuity?: ChatContinuityMeta;
}