/**
 * Beam Shield — Wall 2: Trust Gate
 * Per-agent shield config: whitelist, open, or closed mode.
 */
import type { MiddlewareHandler } from 'hono';
import type { Database } from 'better-sqlite3';
export interface TrustGateGlobalConfig {
    /** Fallback min trust when agent has no shield config */
    defaultMinTrust: number;
    /** Fallback rate limit */
    defaultRateLimit: number;
}
/** Match beam_id against pattern (exact or *@suffix wildcard) */
export declare function matchesPattern(beamId: string, patterns: string[]): boolean;
export declare function createTrustGateMiddleware(db: Database, globalConfig?: Partial<TrustGateGlobalConfig>): MiddlewareHandler;