Guard bare > stripping with has_prompt check

src/mudlib/embedded_if_session.py

@@ -38,12 +38,15 @@ class EmbeddedIFSession:
 
     def _strip_prompt(self, output: str) -> str:
         """Strip trailing > prompt from game output (matches dfrotz behavior)."""
+        has_prompt = (
+            output.endswith("> ") or output.endswith(">\n") or output.endswith(">\r\n")
+        )
         text = output.rstrip()
         if text.endswith("\n>"):
             return text[:-2].rstrip()
         if text == ">":
             return ""
-        if text.endswith(">"):
+        if has_prompt and text.endswith(">"):
             return text[:-1].rstrip()
         return output