/**
 * Sources the evaluator may gate. New sources land in AGIM_NOTIFICATION_EVALUATOR_SOURCES
 * comma-list (precedence: env > built-in default below).
 */
export type NotificationSource = 'push' | 'notify' | 'reminder' | 'heartbeat';
export interface EvaluationInput {
    /** Where this outbound originated. Required — drives the
     *  gating-source decision. */
    source: NotificationSource;
    /** Text body about to be delivered. Card payloads should NOT call
     *  this gate at all (see design constraint #5). */
    text: string;
    /** Target IM thread string `platform:channelId:threadId` — used only
     *  for audit row context, not the verdict prompt. */
    targetThread: string;
    /** Optional caller context for push_message — propagates into the
     *  audit row so operators can trace "which agent kept spamming". */
    caller?: {
        platform: string;
        userId: string;
        agent?: string;
    };
    /** Trace id to thread the audit row to the originating request. */
    traceId?: string;
}
export interface EvaluationDecision {
    /** true = let the message through; false = silently drop. */
    shouldDeliver: boolean;
    /** One-line operator-facing reason. Surfaces in audit_events.details
     *  for every suppression and in the structured log for every call. */
    reason: string;
    /** Which code path produced the decision.
     *   - 'disabled' — AGIM_NOTIFICATION_EVALUATOR not 'on'
     *   - 'source-excluded' — gate on, but this source isn't in the
     *     gated-sources set
     *   - 'no-backend' — gate on, source gated, but no 'evaluator' role
     *     in the LLM registry
     *   - 'fail-open' — gate ran, LLM call / parse failed; deliver anyway
     *   - 'evaluator' — gate ran, LLM returned a definitive verdict */
    via: 'disabled' | 'source-excluded' | 'no-backend' | 'fail-open' | 'evaluator';
}
/**
 * Decide whether `input.text` is worth delivering. Always returns a
 * decision — never throws. Callers that get `shouldDeliver: false`
 * MUST silently drop the message; the audit row + log line already
 * recorded the suppression.
 */
export declare function evaluateNotification(input: EvaluationInput): Promise<EvaluationDecision>;
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