/** PI_CODING_AGENT_DIR: PI reads models.json and auth.json from this dir. Daemon default only —
 *  a trial derives its own agent dir from the trial root (design §13 A1). */
export declare const PI_AGENT_DIR: string;
export declare const PI_SESSIONS_DIR: string;
export declare const PI_MODELS_PATH: string;
export declare const DEFAULT_SESSION_DIR: string;
export declare const MCP_BRIDGE_PATH: string;
export declare const TOOL_SHIMS_PATH: string;
export declare const HOOK_BRIDGE_PATH: string;
export declare const QUOTA_PROBE_PATH: string;
/** PI's models.json always lives beside auth.json inside the agent dir, so one parameter fixes
 *  both (design §13 P7 / A3): a trial agent dir implies a trial provider catalog. */
export declare function piModelsPath(agentDir: string): string;