//  File:    job-id.ts
//  Path:    apps/worker/src/raters/job-id.ts
//  Project: AI Risk Index — airiskindex.io
//  Author:  Simon-Pierre Boucher
//  Contact: contact@spboucher.ai
//  Copyright © 2026 Simon-Pierre Boucher. All rights reserved.
//
//  Description: Deterministic rating job/custom IDs (idempotent batches).

import { createHash } from "node:crypto";

/**
 * Deterministic ID used both as the BullMQ job ID and the Message Batches
 * `custom_id`, so retries and batch reconciliation are idempotent
 * (CLAUDE.md §6; docs/research/03-llm-rater-api.md). One request rates all
 * dimensions of one task with one model.
 */
export function ratingJobId(taskId: string, model: string, promptVersion: string): string {
  return createHash("sha256")
    .update(`${taskId}:${model}:${promptVersion}`)
    .digest("hex")
    .slice(0, 32);
}