fix: update service impl to use consolidated find methods

Align OptimizerDataServiceImpl with renamed repository methods from
optimizer-1 review feedback.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: mkuchenbecker

services/optimizer/src/main/java/com/linkedin/openhouse/optimizer/service/OptimizerDataServiceImpl.java

@@ -46,8 +46,8 @@ public List<TableOperationsDto> listTableOperations(
       String databaseName,
       String tableName,
       String tableUuid) {
-    return operationsRepository
-        .findFiltered(operationType, status, databaseName, tableName, tableUuid).stream()
+    return operationsRepository.find(operationType, status, databaseName, tableName, tableUuid)
+        .stream()
         .map(mapper::toDto)
         .collect(Collectors.toList());
   }
@@ -130,20 +130,14 @@ public Optional<TableStatsDto> getTableStats(String tableUuid) {
 
   @Override
   public List<TableStatsDto> listTableStats(String databaseId, String tableName, String tableUuid) {
-    return statsRepository.findFiltered(databaseId, tableName, tableUuid).stream()
+    return statsRepository.find(databaseId, tableName, tableUuid).stream()
         .map(mapper::toDto)
         .collect(Collectors.toList());
   }
 
   @Override
   public List<TableStatsHistoryDto> getStatsHistory(String tableUuid, Instant since, int limit) {
-    PageRequest page = PageRequest.of(0, limit);
-    if (since != null) {
-      return statsHistoryRepository.findByTableUuidSince(tableUuid, since, page).stream()
-          .map(mapper::toDto)
-          .collect(Collectors.toList());
-    }
-    return statsHistoryRepository.findByTableUuid(tableUuid, page).stream()
+    return statsHistoryRepository.find(tableUuid, since, PageRequest.of(0, limit)).stream()
         .map(mapper::toDto)
         .collect(Collectors.toList());
   }
@@ -170,7 +164,8 @@ public TableOperationsHistoryDto appendHistory(TableOperationsHistoryDto dto) {
 
   @Override
   public List<TableOperationsHistoryDto> getHistory(String tableUuid, int limit) {
-    return historyRepository.find(tableUuid, limit).stream()
+    return historyRepository
+        .find(null, null, tableUuid, null, null, null, null, PageRequest.of(0, limit)).stream()
         .map(mapper::toDto)
         .collect(Collectors.toList());
   }
@@ -186,7 +181,7 @@ public List<TableOperationsHistoryDto> listHistory(
       Instant until,
       int limit) {
     return historyRepository
-        .findFiltered(
+        .find(
             databaseName,
             tableName,
             tableUuid,