import type { State } from '../app-state.js';
import type { ProjectPickerItem } from '../ui-contracts.js';
type PanelResetState = Pick<State, 'monitorOpen' | 'agentsMonitorOpen' | 'helpOpen' | 'todosMonitorOpen' | 'queuePanelOpen' | 'processListOpen' | 'cronMonitorOpen' | 'auditPanelOpen' | 'planPanelOpen' | 'kanbanPanelOpen' | 'goalPanelOpen' | 'goalKanbanPanelOpen' | 'contextPanelOpen' | 'connectionsPanelOpen' | 'sessionsPanelOpen' | 'sidebarFocused' | 'settingsPicker' | 'statuslinePicker' | 'pluginPicker' | 'mcpPicker' | 'toolsPicker' | 'brainPanel' | 'helpPanel' | 'shadowPanel' | 'authPanel' | 'projectPicker' | 'fKeyPicker' | 'goalRun' | 'sddBoard' | 'worktreeMonitorOpen' | 'coordinator' | 'themePicker' | 'skillPicker' | 'resourceMenu'>;
export declare function closePanels(state: State): PanelResetState;
export declare function clampContextLoad(load: number): number;
/** Upper bound on the live tool-stream text retained in state. */
export declare const MAX_TOOL_STREAM_RETAINED_CHARS = 100000;
/** Upper bound on the assistant/thinking live tail retained in React state. */
export declare const MAX_ASSISTANT_STREAM_RETAINED_CHARS = 16384;
/**
 * Bound a growing display-only string while preserving the newest text.
 * Reducer stream state is only the live rendering tail, not the canonical
 * provider response; completed output remains available from the committed
 * history entry and session log.
 */
export declare function retainStreamTail(current: string, delta: string, maxChars: number): string;
/** Caps applied to tool `input` payloads before retention in history entries. */
export declare const MAX_RETAINED_INPUT_CHARS = 2048;
export declare const MAX_RETAINED_INPUT_DEPTH = 4;
export declare const MAX_RETAINED_INPUT_ITEMS = 64;
/**
 * Deep-truncate a tool input for long-term retention in history entries.
 * Strings are capped per-string, arrays/objects are capped in breadth and
 * depth. Returns the value unchanged when nothing exceeds a cap.
 *
 * @public — exported for unit tests
 */
export declare function pruneToolInput(value: unknown, depth?: number): unknown;
/**
 * Find the first non-divider index in the list. Returns 0 when the list is
 * empty or contains only dividers.
 *
 * @public — exported for unit tests
 */
export declare function firstSelectable(items: ProjectPickerItem[]): number;
/**
 * Skip divider items at the given index, moving forward (+1) or backward (-1).
 * Clamps to [0, items.length - 1]. If every item is a divider the index stays
 * put — the caller should already know the list has at least one selectable.
 *
 * @public — exported for unit tests
 */
export declare function skipDivider(items: ProjectPickerItem[], idx: number, dir: 1 | -1): number;
export {};
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