export type FrictionEventKind = 'sandbox-escalation' | 'sandbox-failure';
export type FrictionEvent = {
    kind: FrictionEventKind;
    timestamp: string;
    commandPrefix: string;
    detail: string;
};
export type ToolResultObservation = {
    type: 'tool-result';
    command: string;
    commandWrappers?: string[];
    escalationDetail?: string;
    structuredStderr?: string;
};
export type PermissionRequestObservation = {
    type: 'permission-request';
    command: string;
    commandWrappers?: string[];
};
export type FrictionObservation = ToolResultObservation | PermissionRequestObservation;
export type FrictionLogReadResult = {
    status: 'absent';
} | {
    status: 'empty';
} | {
    status: 'events';
    events: FrictionEvent[];
};
export type FrictionLogOptions = {
    directory: string;
    maxEvents?: number;
};
export type JournalEntry = {
    data?: {
        type?: unknown;
        markdown?: unknown;
    };
};
export type JournalLoadResult = {
    status: 'ok';
    entries: Iterable<JournalEntry> | AsyncIterable<JournalEntry>;
} | {
    status: 'not-found';
};
export type JournalLoader = (sessionId: string) => JournalLoadResult | Promise<JournalLoadResult>;
export type SessionFrictionReport = {
    markdown: string;
    diagnostic?: string;
};
export type SessionFrictionReportOptions = FrictionLogOptions & {
    journalLoader: JournalLoader;
};