export type ThemeMode = 'system' | 'light' | 'dark';
export type ResolvedTheme = 'light' | 'dark';
export type SessionsViewMode = 'kanban' | 'board' | 'topics' | 'table';
export declare const THEME_STORAGE_KEY = "botmux.dashboard.theme";
export declare const SESSIONS_VIEW_STORAGE_KEY = "botmux.dashboard.sessions.view";
export declare const SESSIONS_SHOW_UNKNOWN_CHATS_STORAGE_KEY = "botmux.dashboard.sessions.showUnknownChats";
export declare const SESSIONS_TABLE_COLUMNS_STORAGE_KEY = "botmux.dashboard.sessions.tableColumns";
/** 必须存在的列：选择框 + 操作列，永远不可隐藏。 */
export declare const FIXED_TABLE_COLUMNS: readonly ["select", "actions"];
/** 校验存储值：必须是字符串数组，且不包含固定列（固定列不参与持久化）。 */
export declare function normalizeHiddenTableColumns(value: unknown): string[];
export declare function readStoredHiddenTableColumns(storage: Storage | undefined): string[];
export declare function writeStoredHiddenTableColumns(storage: Storage | undefined, hidden: string[]): void;
export declare function normalizeThemeMode(value: unknown): ThemeMode | null;
export declare function normalizeSessionsViewMode(value: unknown): SessionsViewMode | null;
export declare function resolveThemeMode(mode: ThemeMode, systemPrefersDark: boolean): ResolvedTheme;
export declare function readStoredThemeMode(storage: Storage | undefined): ThemeMode;
export declare function readStoredSessionsViewMode(storage: Storage | undefined): SessionsViewMode;
export declare function readStoredSessionsShowUnknownChats(storage: Storage | undefined): boolean;
export declare const SESSIONS_BOARD_ORDER_STORAGE_KEY = "botmux.dashboard.sessions.boardOrder";
export declare const DEFAULT_BOARD_ORDER: readonly ["needs-you", "working", "todo", "idle"];
/** 必须是默认四列的一个排列（防旧版本残留/手改 localStorage 的脏值）。
 *  兼容旧存值：老版本存过含 'starting' 的四列（needs-you/starting/working/idle）——
 *  'starting' 已并入 'working'，先剔除；缺失的新列 'todo' 补到末尾，避免整体被丢弃回默认。 */
export declare function normalizeBoardOrder(value: unknown): string[] | null;
export declare function readStoredBoardOrder(storage: Storage | undefined): string[];
export declare function writeStoredBoardOrder(storage: Storage | undefined, order: string[]): void;
export declare function writeStoredSessionsViewMode(storage: Storage | undefined, mode: SessionsViewMode): void;
export declare function writeStoredSessionsShowUnknownChats(storage: Storage | undefined, show: boolean): void;
export declare const SESSIONS_CREATE_KEEP_OPEN_STORAGE_KEY = "botmux.dashboard.sessions.createKeepOpen";
export declare function readStoredCreateKeepOpen(storage: Storage | undefined): boolean;
export declare function writeStoredCreateKeepOpen(storage: Storage | undefined, keepOpen: boolean): void;
export type KanbanGroupBy = 'flow' | 'team' | 'bot';
export declare const KANBAN_GROUPBY_STORAGE_KEY = "botmux.dashboard.sessions.kanbanGroupBy";
export declare const KANBAN_TEAM_STORAGE_KEY = "botmux.dashboard.sessions.kanbanTeam";
export declare function normalizeKanbanGroupBy(value: unknown): KanbanGroupBy | null;
export declare function readStoredKanbanGroupBy(storage: Storage | undefined): KanbanGroupBy;
export declare function writeStoredKanbanGroupBy(storage: Storage | undefined, mode: KanbanGroupBy): void;
export type SkinId = 'default' | 'cyber' | 'fallout';
export declare const SKIN_IDS: readonly SkinId[];
export declare const SKIN_STORAGE_KEY = "botmux.dashboard.skin";
export declare function normalizeSkin(value: unknown): SkinId | null;
export declare function readStoredSkin(storage: Storage | undefined): SkinId;
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