/**
 * Shared parse / extract helpers for Agim todo checklists.
 *
 * Used by the todo dispatcher (persist path), Agim Agent activity emit
 * (structured `todoItems` on tool steps), and the SPA (fallback parse
 * from preview text when history lacks the structured field).
 */
export type TodoStatus = 'pending' | 'in_progress' | 'completed';
export interface TodoItem {
    content: string;
    status: TodoStatus;
}
export declare function isTodoActivityLabel(label: string | undefined | null): boolean;
/** Normalize a JSON `items` array (tool args / details). */
export declare function normalizeTodoItems(raw: unknown): TodoItem[] | null;
/** Pull items from a tool-call argument object (`{ items: [...] }`). */
export declare function extractTodoItemsFromInput(input: unknown): TodoItem[] | null;
/**
 * Parse the markdown checklist the todo tool returns:
 *   `1. ☑ content` / `2. ▶ content` / `3. ☐ content`
 */
export declare function parseTodoItemsFromMarkdown(text: string | undefined | null): TodoItem[] | null;
/** Prefer structured input; fall back to markdown tool result text. */
export declare function resolveTodoItems(opts: {
    input?: unknown;
    resultText?: string | null;
}): TodoItem[] | null;
/** Markdown checklist (☐ / ▶ / ☑). Empty → cleared sentinel. */
export declare function renderMarkdownChecklist(items: TodoItem[]): string;
/**
 * Turn-end reconcile: models often leave the last item `in_progress`
 * (prompt says "mark done → set next in_progress") and never write a
 * final all-completed checklist. When every item is completed except
 * exactly one `in_progress` and there are no `pending` items, flip the
 * trailing in-progress row to completed.
 *
 * Returns a new array, or null when the pattern does not match (so
 * intentional multi-turn leftovers are left alone).
 */
export declare function completeStickyInProgressItems(items: readonly TodoItem[]): TodoItem[] | null;
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