export interface FeatureMetadata {
    feature: string;
    /** v8.3.228+: 单元类型（feature | global-rule），来自 _matrix.md type 字段 */
    unitType: string;
    platforms: string[];
    dependencies: string[];
    apis: Array<{
        path: string;
        method?: string;
        description?: string;
    }>;
    summary: string;
    sources: string[];
    status: string;
}
export interface OverviewInput {
    iteration: string;
    features: FeatureMetadata[];
    globalConstraints: {
        techStack?: string;
        apiFormat?: string;
        errorCode?: string;
    };
}
/**
 * 扫描迭代目录下的所有功能单元元数据
 */
export declare function scanFeatureMetadata(iteration: string): Promise<FeatureMetadata[]>;
/**
 * 构建总览输入 JSON
 * @param iteration 迭代目录名
 * @param metadata 功能单元元数据列表
 * @returns 总览输入结构
 */
export declare function buildOverviewInput(iteration: string, metadata: FeatureMetadata[]): Promise<OverviewInput>;
/**
 * 计算端覆盖统计
 */
export declare function calculatePlatformCoverage(metadata: FeatureMetadata[]): Record<string, number>;
/**
 * 计算功能单元间的交叉引用（被多个功能引用的接口）
 */
export declare function findCrossFeatureApis(metadata: FeatureMetadata[]): Array<{
    path: string;
    usedBy: string[];
}>;
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