Apply suggestions from code review

Co-authored-by: Copilot <[email protected]>

Author: germanosin

api/src/main/java/io/kafbat/ui/service/index/LuceneTopicsIndex.java

@@ -67,7 +67,6 @@ private Directory build(List<InternalTopic> topics) {
       for (InternalTopic topic : topics) {
         Document doc = new Document();
 
-
         doc.add(new StringField(FIELD_NAME_RAW, topic.getName(), Field.Store.YES));
         doc.add(new IndexedTextField(FIELD_NAME, topic.getName(), Field.Store.YES));
         doc.add(new IntPoint(FIELD_PARTITIONS, topic.getPartitionCount()));

api/src/main/java/io/kafbat/ui/service/index/lucene/NameDistanceScoringFunction.java

@@ -88,12 +88,16 @@ public DoubleValuesSource rewrite(IndexSearcher searcher) {
 
   @Override
   public int hashCode() {
-    return 0;
+    return java.util.Objects.hash(fieldName, prefixes);
   }
 
   @Override
   public boolean equals(Object obj) {
-    return false;
+    if (this == obj) return true;
+    if (obj == null || getClass() != obj.getClass()) return false;
+    NameDistanceScoringFunction that = (NameDistanceScoringFunction) obj;
+    return java.util.Objects.equals(fieldName, that.fieldName) &&
+        java.util.Objects.equals(prefixes, that.prefixes);
   }
 
   @Override

api/src/test/java/io/kafbat/ui/service/index/lucene/LuceneTopicsIndexTest.java

@@ -108,6 +108,4 @@ public static Stream<Arguments> providerOrdered() {
     );
   }
 
-
-
 }