/**
 * src/tools/user-preferences.ts — handler for `skillfm_user_preferences`.
 *
 * Get / set client-side UserPreferences (frequency limits, quiet hours,
 * disabled categories). Persisted to ~/.skillfm/beacon-mcp/user-prefs.json.
 *
 * Phase 0: fully working (no brain dependency for read; brain push is
 * best-effort fire-and-forget).
 *
 * TODO Week 5:
 *   - Validation: maxPerSession 1-20, maxPerDay 1-100, timezone is IANA.
 *   - When prefs change, also push to brain so other devices (mobile app
 *     in Phase 2) sync.
 *   - Atomic write via .tmp + rename to survive MCP server kill.
 */
import { type SkillFmUserPreferencesInput, type SkillFmUserPreferencesOutput, type SkillFmToolResult } from '../_vendored-contracts/beacon-mcp-tools-v1.js';
import type { BrainClient } from '../brain-client.js';
export interface UserPreferencesDeps {
    brain: BrainClient;
}
export declare function handleUserPreferences(input: SkillFmUserPreferencesInput, deps: UserPreferencesDeps): Promise<SkillFmToolResult<SkillFmUserPreferencesOutput>>;
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