/**
 * Persistent server settings.
 *
 * Stored in ~/.config/meridian/settings.json. Survives proxy restarts.
 * Shared between CLI, UI, and API — browser localStorage is only used
 * for client-only preferences (theme, collapsed sections, etc.).
 *
 * This is a leaf module — no imports from server.ts or session/.
 */
export interface MeridianSettings {
    /** Last active profile ID — restored on proxy startup */
    activeProfile?: string;
}
/** Read settings from disk. Returns empty object if file doesn't exist or is invalid. */
export declare function loadSettings(): MeridianSettings;
/** Write settings to disk. Merges with existing settings (doesn't clobber unknown keys). */
export declare function saveSettings(updates: Partial<MeridianSettings>): void;
/** Get a single setting value */
export declare function getSetting<K extends keyof MeridianSettings>(key: K): MeridianSettings[K];
/** Set a single setting value and persist */
export declare function setSetting<K extends keyof MeridianSettings>(key: K, value: MeridianSettings[K]): void;
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