/**
 * @file UI Slice
 * @description UI state management with atomic updates and DevTools integration
 *
 * This slice manages all UI-related state including sidebar, modals, loading states,
 * and toasts. Uses Immer for immutable updates and automatic action naming for DevTools.
 */
/**
 * Toast notification
 */
export interface Toast {
    id: string;
    type: 'success' | 'error' | 'warning' | 'info';
    message: string;
    title?: string;
    duration?: number;
    dismissible?: boolean;
}
/**
 * Modal stack entry for nested modals
 */
export interface ModalStackEntry {
    id: string;
    data: Record<string, unknown> | null;
}
/**
 * UI state interface
 */
export interface UIState {
    sidebarOpen: boolean;
    sidebarCollapsed: boolean;
    activeModal: string | null;
    modalData: Record<string, unknown> | null;
    modalStack: ModalStackEntry[];
    globalLoading: boolean;
    loadingMessage: string | null;
    loadingProgress: number | null;
    toasts: Toast[];
    layoutDensity: 'compact' | 'comfortable' | 'spacious';
    animationsEnabled: boolean;
    commandPaletteOpen: boolean;
}
/**
 * UI actions interface
 */
export interface UIActions {
    /** Toggle sidebar open/closed state */
    toggleSidebar: () => void;
    /** Set sidebar open state explicitly */
    setSidebarOpen: (open: boolean) => void;
    /** Set sidebar collapsed state (narrow vs full width) */
    setSidebarCollapsed: (collapsed: boolean) => void;
    /** Open a modal by ID, optionally passing data. Supports nesting. */
    openModal: (modalId: string, data?: Record<string, unknown>) => void;
    /** Close current modal, returning to previous in stack if nested */
    closeModal: () => void;
    /** Close all modals and clear the modal stack */
    closeAllModals: () => void;
    /** Get data passed to current modal */
    getModalData: <T extends Record<string, unknown>>() => T | null;
    /** Set global loading state with optional message */
    setGlobalLoading: (loading: boolean, message?: string) => void;
    /** Set loading progress (0-100) or null to hide progress */
    setLoadingProgress: (progress: number | null) => void;
    /** Add a toast notification, returns the toast ID */
    addToast: (toast: Omit<Toast, 'id'>) => string;
    /** Remove a specific toast by ID */
    removeToast: (id: string) => void;
    /** Clear all toasts */
    clearToasts: () => void;
    /** Set UI density (compact, comfortable, spacious) */
    setLayoutDensity: (density: UIState['layoutDensity']) => void;
    /** Enable or disable UI animations */
    setAnimationsEnabled: (enabled: boolean) => void;
    /** Toggle command palette visibility */
    toggleCommandPalette: () => void;
    /** Set command palette open state explicitly */
    setCommandPaletteOpen: (open: boolean) => void;
}
/**
 * UI slice using createSlice factory for automatic DevTools action naming
 *
 * All actions are automatically prefixed with "ui/" in DevTools, e.g.:
 * - ui/toggleSidebar
 * - ui/openModal
 * - ui/addToast
 */
export declare const uiSlice: import('zustand').StateCreator<UIState & UIActions & Record<string, (...args: never[]) => unknown>, [["zustand/immer", never], ["zustand/devtools", never]], [], UIState & UIActions & Record<string, (...args: never[]) => unknown>>;
export type UISlice = UIState & UIActions;