update

src/main/java/com/yaoyuan/jiscuss/dto/UserResponse.java

@@ -0,0 +1,23 @@
+package com.yaoyuan.jiscuss.dto;
+
+import java.util.Date;
+
+/**
+ * Read-only user projection exposed to the frontend / API consumers.
+ * Never exposes the {@code password} field.
+ */
+public record UserResponse(
+        Integer id,
+        String username,
+        String realname,
+        String email,
+        String avatar,
+        String gender,
+        String phone,
+        Integer age,
+        Integer discussionsCount,
+        Integer commentsCount,
+        Date joinTime,
+        Date lastSeenTime,
+        Integer level
+) {}