#!/usr/bin/env node
// packages/protocol/scripts/sync-from-tools-protocol-doc.mjs
// Source: 04-CONTEXT.md D-19 — build-time copy from tools/protocol-doc/output/protocol.ts.
// Runs as @rebno/protocol prebuild; lint:protocol-sync drift-guards the result.

import { readFileSync, writeFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';

const SRC = fileURLToPath(new URL('../../../tools/protocol-doc/output/protocol.ts', import.meta.url));
const DST = fileURLToPath(new URL('../src/legacy-opcodes.ts', import.meta.url));
const HEADER =
  '// AUTO-GENERATED by packages/protocol/scripts/sync-from-tools-protocol-doc.mjs\n' +
  '// Source: tools/protocol-doc/output/protocol.ts (committed)\n' +
  '// DO NOT EDIT — run `pnpm --filter @rebno/protocol prebuild` to regenerate.\n' +
  '// [impl->REQ-SRV-01] re-exports the legacy 39dll opcode table for transitional reference.\n\n';

const src = readFileSync(SRC, 'utf-8');
writeFileSync(DST, HEADER + src);
console.log(`synced legacy-opcodes from ${SRC}`);