diff --git a/ordinis-migrations/src/main/resources/db/changelog/changes/0016-record-dependents-index.xml b/ordinis-migrations/src/main/resources/db/changelog/changes/0016-record-dependents-index.xml
index 383c0ff..4459b59 100644
--- a/ordinis-migrations/src/main/resources/db/changelog/changes/0016-record-dependents-index.xml
+++ b/ordinis-migrations/src/main/resources/db/changelog/changes/0016-record-dependents-index.xml
@@ -29,7 +29,6 @@
     pure JSONB indexing (jsonb_each + ?-marker) — не ожидаем больше.
   -->
   <changeSet id="0016-record-dependents-index-create" author="ordinis">
-    <comment>MV record_dependents_index: precomputed reverse FK</comment>
     <preConditions onFail="MARK_RAN">
       <not>
         <sqlCheck expectedResult="1">
@@ -37,6 +36,7 @@
         </sqlCheck>
       </not>
     </preConditions>
+    <comment>MV record_dependents_index: precomputed reverse FK</comment>
     <sql splitStatements="false"><![CDATA[
       CREATE MATERIALIZED VIEW record_dependents_index AS
       SELECT
@@ -58,9 +58,17 @@
       FROM dictionary_records r
       JOIN dictionary_definitions src_def ON src_def.id = r.dictionary_id
       JOIN LATERAL jsonb_each(src_def.schema_json -> 'properties') AS prop(key, value) ON true
-      WHERE prop.value ? 'x-references'
-        AND prop.value->>'x-references' ~ '^[a-zA-Z_][a-zA-Z0-9_]*\.[a-zA-Z_][a-zA-Z0-9_]*$'
-        AND r.data ? prop.key
+      -- Note: избегаем JSONB ?-operator — Liquibase прогоняет SQL через
+      -- PreparedStatement, который любой ? интерпретирует как $N
+      -- placeholder → "syntax error at $1". Заменяем на эквиваленты:
+      --   prop.value ? 'x-references'  →  prop.value -> 'x-references' IS NOT NULL
+      --   r.data ? prop.key            →  r.data -> prop.key IS NOT NULL
+      -- Регекс с $ anchor по той же причине заменён на LIKE — split_part'ы
+      -- ниже сами справятся с malformed (вернут empty strings, никогда не
+      -- match-ятся с real records).
+      WHERE prop.value -> 'x-references' IS NOT NULL
+        AND prop.value->>'x-references' LIKE '%.%'
+        AND r.data -> prop.key IS NOT NULL
         AND jsonb_typeof(r.data -> prop.key) = 'string'
       WITH NO DATA;
     ]]></sql>
diff --git a/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexService.java b/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexService.java
index fb66efc..97564c4 100644
--- a/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexService.java
+++ b/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexService.java
@@ -209,8 +209,11 @@ public class LineageIndexService {
       int page,
       int size) {
     if (page < 0) throw new IllegalArgumentException("page must be >= 0");
-    if (size < 1 || size > 200) {
-      throw new IllegalArgumentException("size must be 1..200, got " + size);
+    // Service-level cap = 500 (CascadeCloseService запрашивает up to
+    // CASCADE_MAX_PER_REQUEST). Controller separately enforces 200 cap для
+    // public endpoint — UI не нуждается в больше.
+    if (size < 1 || size > 500) {
+      throw new IllegalArgumentException("size must be 1..500, got " + size);
     }
 
     Optional<DictionaryDefinition> targetOpt = definitionRepository.findByName(targetDictName);
diff --git a/ordinis-rest-api/src/test/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexServiceTest.java b/ordinis-rest-api/src/test/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexServiceTest.java
index 03b403d..37b9c02 100644
--- a/ordinis-rest-api/src/test/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexServiceTest.java
+++ b/ordinis-rest-api/src/test/java/cloud/nstart/terravault/ordinis/restapi/service/reference/LineageIndexServiceTest.java
@@ -206,7 +206,7 @@ class LineageIndexServiceTest {
         .isInstanceOf(IllegalArgumentException.class)
         .hasMessageContaining("size");
     assertThatThrownBy(() -> service.findRecordDependents(
-        "d", "k", Set.of(DataScope.PUBLIC), 0, 201))
+        "d", "k", Set.of(DataScope.PUBLIC), 0, 501))
         .isInstanceOf(IllegalArgumentException.class)
         .hasMessageContaining("size");
   }