Function stripInboundMetadata

packages/memos-core/src/capture/index.ts:139–186

(text: string)

 * Also strips the envelope timestamp prefix like "[Tue 2026-03-03 21:58 GMT+8] "
 */
export function stripInboundMetadata(text: string): string {
  let cleaned = stripMemoryInjection(text);
  cleaned = stripEnvelopePrefix(cleaned);

  // Strip OpenClaw envelope tags: [message_id: ...], [[reply_to_current]], etc.
  cleaned = cleaned.replace(/\[message_id:\s*[a-f0-9-]+\]/gi, "");
  cleaned = cleaned.replace(/\[\[reply_to_current\]\]/gi, "");

  if (!SENTINEL_FAST_RE.test(cleaned)) {
    return stripEnvelopePrefix(cleaned).trim();
  }

  const lines = cleaned.split("\n");
  const result: string[] = [];
  let inMetaBlock = false;
  let inFencedJson = false;

  for (let i = 0; i < lines.length; i++) {
    const line = lines[i];
    const trimmed = line.trim();

    if (!inMetaBlock && INBOUND_META_SENTINELS.some((s) => s === trimmed)) {
      if (lines[i + 1]?.trim() === "```json") {
        inMetaBlock = true;
        inFencedJson = false;
        continue;
      }
      continue;
    }

    if (inMetaBlock) {
      if (!inFencedJson && trimmed === "```json") {
        inFencedJson = true;
        continue;
      }
      if (inFencedJson && trimmed === "```") {
        inMetaBlock = false;
        inFencedJson = false;
        continue;
      }
      continue;
    }

    result.push(line);
  }

  return stripEnvelopePrefix(result.join("\n")).trim();
}

/** Strip <think…>…</think> blocks emitted by DeepSeek-style reasoning models. */
const THINKING_TAG_RE = /<think[\s>][\s\S]*?<\/think>\s*/gi;