/**
 * MinimalMode — 最小运行模式
 *
 * FR-Z03:
 * - AC1: 无 Embedding Provider 时降级为关键词搜索
 * - AC2: 无 LLM Provider 时冲突检测降级为关键词对比
 * - AC3: 降级状态在 CLI 和 Workbench 中明确标注
 * - AC4: 单 Agent 也能跑完整功能（质量降级但功能完整）
 */
import type { SystemCapabilities } from './capabilities.js';
export type DegradationLevel = 'full' | 'degraded' | 'minimal';
export interface DegradationItem {
    feature: string;
    fullMode: string;
    degradedMode: string;
    active: boolean;
}
export interface MinimalModeReport {
    level: DegradationLevel;
    degradations: DegradationItem[];
    summary: string;
}
/**
 * 根据系统能力检测降级状态
 */
export declare function detectMinimalMode(capabilities: SystemCapabilities): MinimalModeReport;
/**
 * AC3: 格式化降级状态报告
 */
export declare function formatMinimalModeReport(report: MinimalModeReport): string;
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