调整一下参数

backend-java/src/main/java/com/pharmacopoeia/controller/ChatController.java

@@ -611,6 +611,7 @@ public class ChatController {
     public ResponseEntity<Map<String, Object>> getHistory(
             @RequestParam(defaultValue = "1") int page,
             @RequestParam(defaultValue = "20") int pageSize) {
+        final String userKey = getCurrentUserKey();
         // getHistory 现在直接返回包含 items/page/page_size/total/total_pages 的 Map
         var result = persistenceService.getHistory(userKey, page, pageSize);
         return ResponseEntity.ok(result);
@@ -626,6 +627,7 @@ public class ChatController {
     @GetMapping("/recent-messages")
     public ResponseEntity<Map<String, Object>> getRecentMessages(
             @RequestParam(defaultValue = "50") int limit) {
+        final String userKey = getCurrentUserKey();
         var msgs = persistenceService.getRecentMessages(userKey, Math.min(limit, 200));
         return ResponseEntity.ok(Map.of("messages", msgs));
     }