API v4 계약 반영하고 보고서·입출고 화면 실연동 강화

lib/features/approvals/history/data/repositories/approval_history_repository_remote.dart

@@ -31,10 +31,8 @@ class ApprovalHistoryRepositoryRemote implements ApprovalHistoryRepository {
       query: {
         'page': page,
         'page_size': pageSize,
-        if (query != null && query.isNotEmpty) 'q': query,
-        if (action != null && action.isNotEmpty) 'action': action,
-        if (from != null) 'from': from.toIso8601String(),
-        if (to != null) 'to': to.toIso8601String(),
+        if (from != null) 'action_from': from.toIso8601String(),
+        if (to != null) 'action_to': to.toIso8601String(),
       },
       options: Options(responseType: ResponseType.json),
     );