import type { SlashCommandContext } from './types.js';
/**
 * /feedback command — annotate the most recent trace with user feedback.
 *
 * Feedback is emitted through the observability event bus so it reaches all
 * configured exporters (DuckDB, cloud, Langfuse, etc.) without requiring
 * direct storage access.  A minimal correlationContext is supplied so the
 * observability layer does not need to re-hydrate the trace from storage —
 * this keeps the command working even when the local DuckDB is locked by
 * another process.
 *
 * Usage:
 *   /feedback up                         — thumbs up
 *   /feedback down                       — thumbs down
 *   /feedback down Bad tool selection    — thumbs down with comment
 *   /feedback 4                          — numeric rating (0–10)
 *   /feedback comment Great response     — text comment only
 */
export declare function handleFeedbackCommand(ctx: SlashCommandContext, args: string[]): Promise<void>;
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