/**
 * SLOPE Extension for pi coding agent
 *
 * Registers SLOPE tools and enforces guards via Pi's event system.
 * Install: pi install . (project-local) or pi install npm:@slope-dev/slope
 */
import type { ExtensionAPI } from '@mariozechner/pi-coding-agent';
export declare function isVaguePrompt(prompt: string): boolean;
export default function slopeExtension(pi: ExtensionAPI, _cwdOverride?: string): void;
export type ModelTier = 'local-coder' | 'local-general' | 'local-planner' | 'cloud';
export interface RouterState {
    currentTier: ModelTier;
    turnsSinceSwitch: number;
    lastSwitchReason: string;
    /** Set by doSwitch when entering local-planner; consumed by the vague-prompt detector (T3). */
    plannerPreambleStaged?: boolean;
}
export interface ComplexityResult {
    /** Recommended tier for this prompt. */
    tier: ModelTier;
    /** Cloud-escalation score on the existing 0–5 scale. */
    score: number;
    /** Human-readable top reason for the tier choice. */
    signal: string;
}
export declare function scoreComplexity(prompt: string): ComplexityResult;
export declare function doSwitch(tier: ModelTier, reason: string, ctx: any, pi: ExtensionAPI, state: RouterState): Promise<void>;