export declare const CONFIG_SCHEMA_VERSION_V2 = "2.0.0";
/**
 * Slim 2.0 schema for `~/.peaks/config.json`. After migration,
 * the only meaningful fields are `version` + `ocr.llm.*`; everything
 * else lives in sidecar files (`providers.json`, `proxy.json`,
 * `workspaces.json`) or per-project `preferences.json`. The type is
 * intentionally permissive: extra keys are ignored at runtime, not
 * rejected, so a hand-written or partially-migrated file does not
 * fail the loader.
 */
export interface ConfigV2 {
    readonly version: typeof CONFIG_SCHEMA_VERSION_V2;
}
export declare function isConfigV2(raw: unknown): raw is ConfigV2;
/**
 * Per-project fields that the 1.x → 2.0 migration moves
 * from `~/.peaks/config.json` (global) to `<project>/.peaks/preferences.json`
 * (per-project). Per spec §10.4 line 1215: "economyMode / swarmMode
 * 字段从 global 迁移到当前 workspace 的 .peaks/preferences.json".
 */
declare const PER_PROJECT_FIELDS: readonly ["economyMode", "swarmMode"];
type PerProjectField = (typeof PER_PROJECT_FIELDS)[number];
export interface MigrationOptions {
    currentProjectRoot: string;
}
export interface MigrationPlan {
    alreadyAtV2: boolean;
    detectedSchemaVersion: string | null;
    newConfigSchemaVersion: string;
    /** Field names that would be migrated on apply (1.x → 2.0). */
    willMigrateFields: readonly PerProjectField[];
}
export interface MigrationResult extends MigrationPlan {
    applied: boolean;
    backupPath?: string;
    newConfigPath?: string;
    error?: string;
}
export declare function globalConfigPath(): string;
export declare function backupConfigPath(): string;
export declare function planMigration(opts: MigrationOptions): MigrationPlan;
export declare function executeMigration(opts: MigrationOptions & {
    apply: boolean;
}): MigrationResult;
export {};