[BE] refactor: 도메인 연관 관계 재정의

backend/src/main/java/reviewme/keyword/domain/Keyword.java

@@ -6,7 +6,6 @@
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.Table;
-import java.util.Objects;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -27,26 +26,4 @@ public class Keyword {
     public Keyword(String content) {
         this.content = content;
     }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) {
-            return true;
-        }
-        if (!(o instanceof Keyword keyword)) {
-            return false;
-        }
-        if (id == null) {
-            return Objects.equals(content, keyword.content);
-        }
-        return Objects.equals(id, keyword.id);
-    }
-
-    @Override
-    public int hashCode() {
-        if (id == null) {
-            return Objects.hash(content);
-        }
-        return Objects.hash(id);
-    }
 }

backend/src/main/java/reviewme/keyword/domain/exception/KeywordLimitExceedException.java

@@ -4,7 +4,7 @@
 
 public class KeywordLimitExceedException extends BadRequestException {
 
-    public KeywordLimitExceedException(int maxSize) {
-        super("키워드는 최대 %d개 선택할 수 있습니다.".formatted(maxSize));
+    public KeywordLimitExceedException(int minSize, int maxSize) {
+        super("키워드는 최소 %d개, 최대 %d개 선택할 수 있습니다.".formatted(minSize, maxSize));
     }
 }