import type { ReconciliationResult } from '../reconciliation/index.js';
import type { LocalUsageStore, UsageQuery } from '../usage-local/store.js';
import type { DimensionStatus } from './types.js';
export interface UsageDimDeps {
    store: LocalUsageStore;
    reconciliations: ReconciliationResult[];
    /**
     * Optional usage-aggregation window override. When provided (e.g. by the
     * `/skillfm` flow with since_last_report), F3 single-model concentration
     * check uses this window instead of the default `timeWindow('today')`.
     * Lets the manual scan reflect the period since the previous report.
     */
    usageWindow?: UsageQuery;
}
/**
 * 算用量维度的 findings + status
 *
 * 检查项:
 *   F1: 对账偏差 > 15% (medium / severe) — 价表过时 / key 泄漏 / 异常
 *   F2: 余额耗尽预测 < 3 天 (critical) / < 7 天 (warning)
 *   F3: 单 model 占比 > 80% — 暗示可切 cheaper model (E1 router 候选)
 *   F4: 用量增长 > 上周 1.5x (warning) — 可能你 agent 失控
 */
export declare function checkDimensionUsage(deps: UsageDimDeps): DimensionStatus;
/**
 * 只 surface 用 — 拼出主入口"💰 用量"区段的多行 (基于 reconciliation summaries)
 */
export declare function buildUsageSurfaceLines(reconciliations: ReconciliationResult[]): string[];
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