/**
 * Research-Based Feature Handlers
 *
 * Implements command handlers for TDD mode, CI/CD workflows,
 * lifecycle hooks, and prompt caching.
 *
 * Based on 2024-2025 research findings:
 * - TDD: 45% accuracy improvement (ICSE 2024)
 * - Prompt Caching: Up to 90% cost reduction
 * - Hooks: 73.8% AI review comments resolved (industrial study)
 */
import type { CommandHandlerResult } from './branch-handlers.js';
/**
 * Handle /tdd command - TDD mode management
 */
export declare function handleTDD(args: string[]): CommandHandlerResult;
/**
 * Handle /workflow command - CI/CD workflow management
 */
export declare function handleWorkflow(args: string[]): CommandHandlerResult;
/**
 * Handle /hooks command - Lifecycle hooks management
 */
export declare function handleHooks(args: string[]): CommandHandlerResult;
/**
 * Handle /prompt-cache command - Prompt caching management
 */
export declare function handlePromptCache(args: string[]): CommandHandlerResult;
/**
 * Handle /model-router command - Model routing management
 */
export declare function handleModelRouter(args: string[]): CommandHandlerResult;
