/**
 * Todo-first mutation gate for Agim Agent.
 *
 * When AGIM_TODO_GATE is on (default), mutating tools are blocked until the
 * thread has a non-empty checklist from agim_todo_write. Read-only tools,
 * ask_user, and todo_write itself stay exempt so short Q&A and planning
 * still work.
 *
 * Opt out: AGIM_TODO_GATE=off|0|false|no|disable
 */
/** Default ON — same polarity as AGIM_NATIVE_TOOL_DISCIPLINE. */
export declare function isTodoGateOn(): boolean;
export declare function isTodoGateExemptTool(toolName: string): boolean;
export type TodoMutationGateResult = {
    ok: true;
} | {
    ok: false;
    reason: string;
};
/**
 * Hard preflight for mutating tools. Exempt tools always pass.
 * Fail-closed when the store is unavailable (same posture as complete_goal).
 */
export declare function evaluateTodoMutationGate(threadKey: string, toolName: string): TodoMutationGateResult;
/** complete_goal(completed) presence check when the gate is on. */
export declare function evaluateTodoPresenceGate(threadKey: string): TodoMutationGateResult;
export declare const TODO_FIRST_PROMPT: string;
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