chore: 2.3

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BvRuentLsG1UGpy9gmNWvR

src/app/api/proxy/route.ts

@@ -93,6 +93,15 @@ function parseConversationToken(content: string | undefined | null): string | nu
   return null;
 }
 
+function parseEchoText(content: string | undefined | null): string | null {
+  if (!content) return null;
+  const match = content.match(/ECHO:\s*([\s\S]+)/i);
+  if (match && match[1].trim()) {
+    return match[1].trim();
+  }
+  return null;
+}
+
 function removePersonaTags(content: string): string {
   let result = content;
   const openingMatch = result.match(/<[^<>]+?\s*'s\s+Persona>/i);
@@ -487,6 +496,18 @@ export async function POST(request: NextRequest) {
       responseMessage = `New character "${extracted.data.name}" created (v1).${tokenNote}`;
     }
 
+    // Echo back anything the user sent after an "ECHO:" marker in their
+    // latest message, appended after the normal status message
+    const lastUserMessage =
+      [...body.messages]
+        .reverse()
+        .find((m: { role?: string }) => m?.role === "user") ??
+      body.messages[body.messages.length - 1];
+    const echoText = parseEchoText(lastUserMessage?.content);
+    if (echoText) {
+      responseMessage += `\n\n${echoText}`;
+    }
+
     cleanupExpiredCards();
 
     // Return SSE response if requested, otherwise JSON