export type UserRole = 'admin' | 'user';
export interface UserRow {
    id: string;
    username: string;
    displayName: string;
    password: string;
    role: UserRole;
    createdAt: number;
    disabled: boolean;
}
export interface LoginSessionRow {
    id: string;
    hash: string;
    userId: string;
    createdAt: number;
    expiresAt: number;
    lastSeenAt: number;
}
export interface InviteRow {
    id: string;
    hash: string;
    createdBy: string;
    usesLeft: number;
    expiresAt: number | null;
    createdAt: number;
    monthlyLimit: number | null;
}
export interface ImBindingRow {
    platform: string;
    imUserId: string;
    userId: string;
    createdAt: number;
    createdBy: string;
}
export interface QuotaRow {
    userId: string;
    monthlyLimit: number;
    bonus: number;
    periodStart: number;
}
export interface LedgerRow {
    id: string;
    userId: string;
    delta: number;
    reason: string;
    usd?: number;
    tokensIn?: number;
    tokensOut?: number;
    model?: string;
    at: number;
}
export interface AccountsFile {
    version: 1;
    users: UserRow[];
    loginSessions: LoginSessionRow[];
    invites: InviteRow[];
    imBindings: ImBindingRow[];
    pointsPerUsd: number;
    defaultMonthlyLimit: number;
    defaultCostPer1kIn: number;
    defaultCostPer1kOut: number;
    /** Admin overrides keyed `llm:<modelId>` or `agent:<cliName>`. */
    modelPriceOverrides?: Record<string, {
        costPer1kIn: number;
        costPer1kOut: number;
    }>;
    quotas: QuotaRow[];
    ledger: LedgerRow[];
    /** Set after the first admin inherits or skips pre-account sessions. */
    legacyUpgradeDone?: boolean;
}
export declare const DEFAULT_POINTS_PER_USD = 10000;
export declare const DEFAULT_MONTHLY_LIMIT = 100000;
export declare function accountsFilePath(): string;
export declare function readAccounts(): AccountsFile;
export declare function writeAccounts(data: AccountsFile): void;
export declare function mutateAccounts<T>(fn: (data: AccountsFile) => T): T;
/** Test helper — drop the process cache so the next read hits disk. */
export declare function _resetAccountsCache(): void;
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