diff --git a/tauri-app/src/lib/chat.ts b/tauri-app/src/lib/chat.ts
index 9f254a5..da31dea 100644
--- a/tauri-app/src/lib/chat.ts
+++ b/tauri-app/src/lib/chat.ts
@@ -60,9 +60,11 @@ function stripQwenChatTemplateTokens(text: string): string {
 
 function hasKnownPromptEcho(text: string): boolean {
   return /^\s*you are a helpful ai assistant\.?/i.test(text)
+    || /^\s*you are a helpful local ai assistant\.?/i.test(text)
     || /^\s*you will be tested with prior context/i.test(text)
     || /^\s*you are a precise coding assistant running locally\.?/i.test(text)
-    || /^\s*(?:#{1,6}\s*)?(?:System|Developer)\s*:\s*you are a precise coding assistant running locally\.?/i.test(text);
+    || /^\s*(?:#{1,6}\s*)?(?:System|Developer)\s*:\s*you are a precise coding assistant running locally\.?/i.test(text)
+    || /^\s*(?:#{1,6}\s*)?(?:System|Developer)\s*:\s*you are a helpful local ai assistant/i.test(text);
 }
 
 function stripLeadingFencedTranscriptLeakage(text: string): string {
@@ -106,10 +108,12 @@ export function stripPromptEchoAndTranscriptLeakage(text: string): string {
 
   // Known leaked system-prompt openings: drop them entirely.
   if (/^\s*you are a helpful ai assistant\.?/i.test(trimmed)) return "";
+  if (/^\s*you are a helpful local ai assistant\.?/i.test(trimmed)) return "";
   if (/^\s*you will be tested with prior context/i.test(trimmed)) return "";
   if (/^\s*you are a precise coding assistant running locally\.?/i.test(trimmed)) return "";
   if (/^\s*(?:#{1,6}\s*)?(?:System|Developer)\s*:\s*you are a precise coding assistant running locally\.?/i.test(trimmed)) return "";
   if (/^\s*(?:#{1,6}\s*)?(?:System|Developer)\s*:\s*you are a precise coding assistant running locally\.?/i.test(fenceStripped)) return "";
+  if (/^\s*(?:#{1,6}\s*)?(?:System|Developer)\s*:\s*you are a helpful local ai assistant/i.test(trimmed)) return "";
 
   return withoutLeadingLeakedFence;
 }