export declare function defaultDataDir(): string;
export declare function resolveConfigPath(): string;
declare const VALID_DM_POLICIES: readonly ["open", "allowlist", "disabled"];
export type DmPolicy = (typeof VALID_DM_POLICIES)[number];
export declare const config: {
    /** Slack bot token, xoxb- prefix (required) */
    readonly slackBotToken: string;
    /** Slack app-level token for Socket Mode, xapp- prefix (required) */
    readonly slackAppToken: string;
    /** Pi binary path */
    readonly piBin: string;
    /** Default model for pi */
    readonly piModel: string;
    /** Thinking level for pi */
    readonly piThinking: string;
    /** Base directory for per-channel session folders */
    readonly sessionsDir: string;
    /** Days to retain archived sessions (0 = never clean) */
    readonly archiveRetentionDays: number;
    /** Hours to retain downloaded attachment media for path-based agent access */
    readonly mediaRetentionHours: number;
    /** SQLite database path */
    readonly dbPath: string;
    /** Bot trigger name (default: bot's own display name) */
    readonly triggerName: string;
    /** Max concurrent agent invocations */
    readonly maxConcurrency: number;
    /** Max scheduled tasks enqueued per scheduler tick */
    readonly maxScheduledConcurrency: number;
    /** Poll interval for message queue (ms) */
    readonly pollInterval: number;
    /** Graceful shutdown timeout before aborting in-flight tasks (ms) */
    readonly shutdownTimeoutMs: number;
    /** Log level */
    readonly logLevel: string;
    /** Working directory for pi agent */
    readonly piCwd: string;
    /** Extra pi flags (space-separated) */
    readonly piExtraFlags: string;
    /** DM access policy: open (auto-register), allowlist, or disabled */
    readonly dmPolicy: "open" | "allowlist" | "disabled";
    /** Post responses into the triggering message's thread when it has one */
    readonly replyInThread: boolean;
    /** Channel access policy: open, open-trigger, or allowlist */
    readonly channelPolicy: "open" | "open-trigger" | "allowlist";
    /** Comma-separated channel IDs to exclude from auto-registration */
    readonly excludedChannels: Set<string>;
    /** Max size for a single Slack attachment in bytes (0 disables the limit) */
    readonly maxAttachmentBytes: number;
    /** Max combined attachment size per Slack message in bytes (0 disables the limit) */
    readonly maxTotalAttachmentBytes: number;
};
export type Config = typeof config;
/**
 * Validate the Slack token pair. Returns human-readable problems (empty when
 * valid); callers decide whether to throw (gateway startup) or report (status).
 */
export declare function validateSlackTokens(cfg: Pick<Config, 'slackBotToken' | 'slackAppToken'>): string[];
export {};