Update src/handlers/messages.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: vicary

src/handlers/messages.ts

@@ -35,7 +35,7 @@ const LEADING_INJECTED_LEGACY_MEMORY_BLOCK_WITH_UUIDS =
 const LEADING_INJECTED_EMPTY_LEGACY_MEMORY_BLOCK =
   /^<memory\b(?![^>]*\bdata-uuids=)[^>]*>\s*<\/memory>(?:\r?\n){0,2}/;
 const LEADING_INJECTED_PERSISTENT_MEMORY_BLOCK =
-  /^<persistent_memory\b(?=[^>]*\b(?:node_refs|fact_uuids)=(["'])[^"']+\1)[^>]*>[\s\S]*?<\/persistent_memory>(?:\r?\n){0,2}/;
+  /^<persistent_memory\b(?=[^>]*\b(?:node_refs|fact_uuids)=(["'])[^"']*\1)[^>]*>[\s\S]*?<\/persistent_memory>(?:\r?\n){0,2}/;
 
 const scrubPromptMemoryText = (text: string): string => {
   let scrubbed = text;