/**
 * Chat Routes Registry
 *
 * Centralizes all /api/chat/* routes for the new native chat UI.
 *
 * Routes:
 * - GET    /api/chat/sessions          - List all sessions
 * - POST   /api/chat/sessions          - Create new session
 * - GET    /api/chat/sessions/:id      - Get session details
 * - DELETE /api/chat/sessions/:id      - Delete session
 * - PATCH  /api/chat/sessions/:id      - Rename session
 * - GET    /api/chat/sessions/:id/messages - Get session messages
 * - POST   /api/chat/sessions/:id/revert - Revert session to a message
 * - POST   /api/chat/sessions/:id/undo - Undo last interaction
 * - POST   /api/chat/sessions/:id/prompt - Send message
 * - POST   /api/chat/sessions/:id/abort - Abort session
 * - GET    /api/chat/events            - SSE event stream
 * - POST   /api/chat/permissions/:id   - Respond to permission request
 */
export declare function registerChatRoutes(app: import('express').Application): void;
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