derive unresolved scope response from resolver status

vpd-backoffice/src/main/java/com/cloudhandson/vpdbackoffice/service/SelectAiService.java

@@ -253,7 +253,8 @@ public class SelectAiService {
     return POLICY_PREFIX
         + "Resolve business terms and game names from the approved game-alias metadata before selecting a "
         + "game-scoped object. A generic term such as common user means no particular game. If no game alias "
-        + "is resolved, do not substitute an arbitrary game-scoped object; ask for the game or return no data.\n"
+        + "is resolved, do not substitute an arbitrary game-scoped object. Return a read-only no-match result "
+        + "and preserve the resolver status for the answer layer; do not invent a user-facing explanation.\n"
         + "Original user question:\n" + prompt;
   }