diff --git a/storage-ksqlite/src/commonMain/kotlin/pw/binom/agentik/storage/ksqlite/KsqliteConversationStore.kt b/storage-ksqlite/src/commonMain/kotlin/pw/binom/agentik/storage/ksqlite/KsqliteConversationStore.kt
index 51ef24d..ae6520a 100644
--- a/storage-ksqlite/src/commonMain/kotlin/pw/binom/agentik/storage/ksqlite/KsqliteConversationStore.kt
+++ b/storage-ksqlite/src/commonMain/kotlin/pw/binom/agentik/storage/ksqlite/KsqliteConversationStore.kt
@@ -70,8 +70,12 @@ class KsqliteConversationStore(
 
     override suspend fun delete(id: String): Boolean = withContext(Dispatchers.Default) {
         mutex.withLock {
-            val existed = get(id) != null
-            if (!existed) return@withContext false
+            // Проверяем существование через raw query, НЕ через get() — get() тоже
+            // берёт mutex (не реентрант), что привело бы к deadlock.
+            connection.prepare("SELECT 1 FROM conversation WHERE id = ?").use { check ->
+                check.bindText(1, id)
+                check.executeQuery().use { rs -> if (!rs.next()) return@withContext false }
+            }
             messageStore?.clear(id)
             workingMemoryStore?.clear(id)
             connection.prepare("DELETE FROM conversation WHERE id = ?").use { stmt ->
@@ -108,7 +112,13 @@ class KsqliteConversationStore(
                 stmt.bindText(3, id)
                 stmt.executeUpdate()
             }
-            get(id)?.updatedAt
+            // raw query instead of get() (deadlock — get() also takes mutex)
+            connection.prepare("SELECT updated_at FROM conversation WHERE id = ?").use { stmt ->
+                stmt.bindText(1, id)
+                stmt.executeQuery().use { rs ->
+                    if (rs.next()) Instant.fromEpochMilliseconds(rs.getLong(0)!!) else null
+                }
+            }
         }
     }