/**
 * ANAMNESIS Layer 2: Behavioral Context Capture (K8)
 *
 * Silently captures device and behavioral signals from the user's environment.
 * These signals are sent with every signing request so each agent can
 * independently build a behavioral profile of the user.
 *
 * No PII is stored. Only device characteristics and interaction patterns.
 * Hashed where possible.
 */
/**
 * Behavioral context signals captured from the user's device.
 * Sent with every signing request for agent-side behavioral profiling.
 */
export interface BehavioralContext {
    /** SHA256 hash of browser/device fingerprint */
    device_id: string;
    /** User-Agent string */
    user_agent: string;
    /** Timezone (e.g., "America/New_York") */
    timezone: string;
    /** Browser language (e.g., "en-US") */
    language: string;
    /** Screen resolution (e.g., "1920x1080") */
    screen: string;
    /** Unix timestamp (seconds) */
    timestamp: number;
}
/**
 * Capture behavioral context from the current environment.
 * Works in browser and Node.js (with graceful fallbacks).
 */
export declare function captureContext(): BehavioralContext;
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