/**
 * Envelope schema per spec v2.3 section 4.4.
 * Every worker instance is bound to one envelope at spawn.
 */
export type EnvelopeSource = 'telegram' | 'slack' | 'chatwork' | 'discord' | 'viewer' | 'cron' | 'delegate' | 'watch';
export interface ProjectRef {
    kind: 'project';
    id: string;
}
export interface MemoryScope {
    kind: 'global' | 'user' | 'channel' | 'project';
    id: string;
}
export interface DestinationRef {
    kind: 'telegram' | 'slack' | 'chatwork' | 'discord' | 'webchat' | 'obsidian' | 'dashboard_slot';
    id: string;
}
export interface TriggerContext {
    user_text?: string;
    scheduled_at?: string;
    watch_event?: {
        type: string;
        raw_id?: string;
        [key: string]: unknown;
    };
    parent_task?: string;
}
export interface EnvelopeBudget {
    wall_seconds: number;
    token_limit?: number;
    cost_cap?: number;
}
export interface EnvelopeSignature {
    hmac: string;
    key_id: string;
    key_version: number;
}
export interface Envelope {
    agent_id: string;
    instance_id: string;
    parent_instance_id?: string;
    source: EnvelopeSource;
    channel_id?: string;
    trigger_context: TriggerContext;
    scope: {
        project_refs: ProjectRef[];
        raw_connectors: string[];
        memory_scopes: MemoryScope[];
        allowed_destinations: DestinationRef[];
        as_of?: string;
        eval_privileged?: boolean;
    };
    tier: 1 | 2 | 3;
    budget: EnvelopeBudget;
    expires_at: string;
    envelope_hash: string;
    signature?: EnvelopeSignature;
}
export declare const ENVELOPE_HASH_EXCLUDED_FIELDS: readonly ["envelope_hash", "signature"];
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