Function generateUUIDv7

src/proxy/mailbox/store.js:53–71

()

// Bits 64-65: var=0b10, Bits 66-127: rand_b

function generateUUIDv7() {
  const now = Date.now();
  const msHex = now.toString(16).padStart(12, '0');

  const bytes = crypto.randomBytes(10);
  bytes[0] = (bytes[0] & 0x0f) | 0x70; // version 7
  bytes[2] = (bytes[2] & 0x3f) | 0x80; // variant 10

  const randHex = bytes.toString('hex');

  // Standard UUID format: 8-4-4-4-12 (32 hex total)
  return [
    msHex.slice(0, 8),
    msHex.slice(8, 12),
    randHex.slice(0, 4),
    randHex.slice(4, 8),
    randHex.slice(8, 20),
  ].join('-');
}

// --- JSONL file helpers ---