/**
 * Persistent Agent Artifact Utilities
 *
 * Provides:
 * - writeLastAgentReport: Persists the latest agent workflow report.
 * - readLastAgentReport: Loads the latest agent workflow report.
 * - writeBoardReport: Persists board intelligence report output.
 * - readBoardReport: Loads the cached board intelligence report.
 */
import type { AgentBoardReport, LastAgentReport } from "../types.js";
/**
 * Resolves the workspace artifact directory.
 *
 * @param projectDir - Project root directory.
 * @returns Absolute path to `.pio-mcp-workspace`.
 */
export declare function getWorkspaceArtifactsDir(projectDir: string): string;
/**
 * Resolves the file path of the persistent last-agent report.
 *
 * @param projectDir - Project root directory.
 * @returns Absolute file path for `lastAgentReport.json`.
 */
export declare function getLastAgentReportPath(projectDir: string): string;
/**
 * Resolves the file path of the persistent board report.
 *
 * @param projectDir - Project root directory.
 * @returns Absolute file path for `boardReport.json`.
 */
export declare function getBoardReportPath(projectDir: string): string;
/**
 * Persists the latest agent workflow report.
 *
 * @param projectDir - Project root directory.
 * @param report - Agent report payload.
 */
export declare function writeLastAgentReport(projectDir: string, report: LastAgentReport): void;
/**
 * Reads the latest agent workflow report.
 *
 * @param projectDir - Project root directory.
 * @returns Parsed last-agent report, if present.
 */
export declare function readLastAgentReport(projectDir: string): LastAgentReport | null;
/**
 * Persists the board intelligence report.
 *
 * @param projectDir - Project root directory.
 * @param report - Board report payload.
 */
export declare function writeBoardReport(projectDir: string, report: AgentBoardReport): void;
/**
 * Reads the cached board intelligence report.
 *
 * @param projectDir - Project root directory.
 * @returns Parsed board report, if present.
 */
export declare function readBoardReport(projectDir: string): AgentBoardReport | null;
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