Function stripMemoryInjection

packages/memos-core/src/capture/index.ts:223–327

* Strip memory-system injections that get prepended to user messages: * - ... * - === MemOS LONG-TERM MEMORY ... ===\n...MANDATORY... * - [MemOS Auto-Recall] Found N relevant memories:... * - ## Memory system\n\nNo memories were automatically recalled...

(text: string)

 * - ## Memory system\n\nNo memories were automatically recalled...
 */
function stripMemoryInjection(text: string): string {
  let cleaned = text;

  // <memory_context>...</memory_context>
  const mcStart = cleaned.indexOf("<memory_context>");
  if (mcStart !== -1) {
    const mcEnd = cleaned.indexOf("</memory_context>");
    if (mcEnd !== -1) {
      cleaned = cleaned.slice(0, mcStart) + cleaned.slice(mcEnd + "</memory_context>".length);
    } else {
      cleaned = cleaned.slice(0, mcStart);
    }
    cleaned = cleaned.trim();
  }

  // === MemOS LONG-TERM MEMORY (retrieved from past conversations) ===\n...\nMANDATORY...
  cleaned = cleaned.replace(
    /=== MemOS LONG-TERM MEMORY[\s\S]*?(?:MANDATORY[^\n]*\n?|(?=\n{2,}))/gi,
    "",
  ).trim();

  // [MemOS Auto-Recall] Found N relevant memories:\n...
  cleaned = cleaned.replace(
    /\[MemOS Auto-Recall\][^\n]*\n(?:(?:\d+\.\s+\[(?:USER|ASSISTANT)[^\n]*\n?)*)/gi,
    "",
  ).trim();

  // ## Memory system\n\nNo memories were automatically recalled...
  cleaned = cleaned.replace(
    /## Memory system\n+No memories were automatically recalled[^\n]*(?:\n[^\n]*memory_search[^\n]*)*/gi,
    "",
  ).trim();

  // ## Memory system — ACTION REQUIRED\n...
  cleaned = cleaned.replace(
    /## Memory system — ACTION REQUIRED[\s\S]*?(?=\n\[(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s+\d{4}-\d{2}-\d{2}|\n\[Subagent)/,
    "",
  ).trim();

  // You are running a boot check. Follow BOOT.md instructions exactly.\n...
  cleaned = cleaned.replace(
    /^You are running a boot check[\s\S]*?(?=\n\[(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s+\d{4}-\d{2}-\d{2}|\n\[Subagent)/m,
    "",
  ).trim();

  // Standalone NO_REPLY / HEARTBEAT_OK that leaked into user messages
  cleaned = cleaned.replace(/^\s*(?:NO_REPLY|HEARTBEAT_OK|HEARTBEAT_CHECK)\s*$/gm, "").trim();

  // Old format: ## Retrieved memories from past conversations\n\nCRITICAL INSTRUCTION:...
  const recallIdx = cleaned.indexOf("## Retrieved memories from past conversations");
  if (recallIdx !== -1) {
    const before = cleaned.slice(0, recallIdx);
    const after = cleaned.slice(recallIdx);
    const tsMatch = after.match(/\n\[(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s+\d{4}-\d{2}-\d{2}/);
    if (tsMatch && tsMatch.index != null) {
      cleaned = (before + after.slice(tsMatch.index)).trim();
    } else {
      cleaned = before.trim();