export type ChatAttachmentState = "preparing" | "indexing" | "ready" | "failed";
export type ChatMessageRole = "user" | "agent" | "system";
export type ChatLaunchStatus = "requested" | "queued" | "running" | "blocked" | "completed" | "failed";
export type ChatThreadStatus = "message_only" | "queued" | "running" | "blocked" | "completed" | "failed";
export type ChatAttachmentRecord = {
    id: string;
    name: string;
    mimeType: string | null;
    sizeBytes: number | null;
    status: ChatAttachmentState;
    error: string | null;
    masked: boolean;
    createdAt: string;
    updatedAt: string;
};
export type ChatMessageRecord = {
    id: string;
    threadId: string;
    role: ChatMessageRole;
    body: string;
    senderId: string | null;
    senderName: string | null;
    createdAt: string;
    updatedAt: string;
    attachments: ChatAttachmentRecord[];
    metadata: Record<string, unknown>;
};
export type ChatLaunchAttemptRecord = {
    id: string;
    threadId: string;
    messageId: string;
    assigneeId: string | null;
    assigneeName: string | null;
    watcherIds: string[];
    watcherNames: string[];
    executionMode: "local_queue" | "cloud" | "hybrid";
    provider: string | null;
    runId: string | null;
    status: ChatLaunchStatus;
    blockedReason: string | null;
    warnings: string[];
    requestedAt: string;
    updatedAt: string;
    metadata: Record<string, unknown>;
};
export type ChatThreadRecord = {
    id: string;
    commandCenterId: string | null;
    initiativeId: string | null;
    initiativeTitle: string | null;
    workstreamId: string | null;
    taskId: string | null;
    title: string;
    summary: string | null;
    status: ChatThreadStatus;
    assigneeId: string | null;
    assigneeName: string | null;
    watcherIds: string[];
    watcherNames: string[];
    messageCount: number;
    launchCount: number;
    lastMessageAt: string | null;
    lastLaunchAt: string | null;
    lastActivityAt: string;
    lastSnippet: string | null;
    createdAt: string;
    updatedAt: string;
    messages: ChatMessageRecord[];
    launches: ChatLaunchAttemptRecord[];
    metadata: Record<string, unknown>;
};
export type ChatThreadSummary = Omit<ChatThreadRecord, "messages" | "launches"> & {
    latestMessage: ChatMessageRecord | null;
    latestLaunch: ChatLaunchAttemptRecord | null;
};
export declare function listChatThreads(input?: {
    commandCenterId?: string | null;
    initiativeId?: string | null;
    query?: string | null;
    status?: string | null;
    limit?: number;
    offset?: number;
}): {
    threads: ChatThreadSummary[];
    total: number;
    updatedAt: string;
};
export declare function getChatThread(threadId: string): ChatThreadRecord | null;
export declare function sendChatMessage(input: {
    threadId?: string | null;
    commandCenterId?: string | null;
    initiativeId?: string | null;
    initiativeTitle?: string | null;
    workstreamId?: string | null;
    taskId?: string | null;
    title?: string | null;
    body: string;
    role?: ChatMessageRole;
    senderId?: string | null;
    senderName?: string | null;
    assigneeId?: string | null;
    assigneeName?: string | null;
    watcherIds?: string[];
    watcherNames?: string[];
    attachments?: Array<Partial<ChatAttachmentRecord> & {
        name?: string | null;
    }>;
    metadata?: Record<string, unknown>;
}): {
    thread: ChatThreadRecord;
    message: ChatMessageRecord;
    createdThread: boolean;
    updatedAt: string;
};
export declare function recordChatLaunch(input: {
    threadId: string;
    messageId: string;
    assigneeId?: string | null;
    assigneeName?: string | null;
    watcherIds?: string[];
    watcherNames?: string[];
    executionMode?: "local_queue" | "cloud" | "hybrid";
    provider?: string | null;
    runId?: string | null;
    status?: ChatLaunchStatus;
    blockedReason?: string | null;
    warnings?: string[];
    metadata?: Record<string, unknown>;
}): {
    thread: ChatThreadRecord;
    launch: ChatLaunchAttemptRecord;
    updatedAt: string;
};
export declare function updateChatLaunchStatus(input: {
    threadId: string;
    launchId: string;
    status: ChatLaunchStatus;
    runId?: string | null;
    blockedReason?: string | null;
    warnings?: string[];
}): {
    thread: ChatThreadRecord;
    launch: ChatLaunchAttemptRecord;
    updatedAt: string;
};
export declare function linkChatThreadScope(input: {
    threadId: string;
    commandCenterId?: string | null;
    initiativeId?: string | null;
    initiativeTitle?: string | null;
    workstreamId?: string | null;
    taskId?: string | null;
}): {
    thread: ChatThreadRecord;
    eventMessage: ChatMessageRecord;
    updatedAt: string;
};