type ThreadContextRawEvent = {
    sequence: number;
    raw_payload: unknown;
    received_at: string;
};
export type ThreadContextProgressStatus = 'pending' | 'in_progress' | 'completed';
export type ThreadContextProgressItem = {
    title: string;
    status: ThreadContextProgressStatus;
};
export type ThreadContextChangedFile = {
    path: string;
    additions?: number;
    deletions?: number;
    status?: string;
    diff?: string;
};
export type ThreadContextExecutionItem = {
    id: string;
    type: string;
    title: string;
    status: ThreadContextProgressStatus;
    detail?: string;
};
export type ThreadContextArtifact = {
    path: string;
    displayName: string;
    source: 'app-server' | 'chat';
};
export type ThreadContextBrowser = {
    title?: string;
    url?: string;
};
export type ThreadContextSource = {
    type: 'file' | 'url' | 'github' | 'unknown';
    label: string;
    value?: string;
};
export type ThreadContextWindowUsage = {
    usedTokens?: number;
    totalTokens?: number;
    cumulativeTokens?: number;
};
export type ThreadContext = {
    version: 1;
    threadId: string;
    updatedAt?: string;
    progress: ThreadContextProgressItem[];
    environment: {
        computerId?: string;
        workspace?: string | null;
        branch?: string | null;
        sandbox?: string | null;
        approvalMode?: string | null;
        model?: string | null;
    };
    changes: {
        additions: number;
        deletions: number;
        files: ThreadContextChangedFile[];
    };
    execution: {
        currentItem?: ThreadContextExecutionItem;
        items: ThreadContextExecutionItem[];
        compacting?: boolean;
    };
    browser: ThreadContextBrowser[];
    sources: ThreadContextSource[];
    artifacts: ThreadContextArtifact[];
    contextWindowUsage?: ThreadContextWindowUsage;
};
export declare function buildThreadContextFromEvents(input: {
    threadId: string;
    events: ThreadContextRawEvent[];
    computerId?: string | null;
    workspace?: string | null;
}): ThreadContext;
export declare function readThreadContext(input: {
    threadId: string;
    computerId?: string | null;
    workspace?: string | null;
}): ThreadContext;
export declare function attachThreadContextToChunk(chunk: Record<string, unknown>, context: ThreadContext): Record<string, unknown>;
export {};
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