diff --git a/app/app/Console/Commands/VerifyAuditChains.php b/app/app/Console/Commands/VerifyAuditChains.php
index c1b0b9a0..732c4a79 100644
--- a/app/app/Console/Commands/VerifyAuditChains.php
+++ b/app/app/Console/Commands/VerifyAuditChains.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Console\Commands;
 
 use App\Mail\AuditChainBreachMail;
+use App\Services\Audit\AuditChainConfig;
 use Illuminate\Console\Command;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\DB;
@@ -83,166 +84,12 @@ class VerifyAuditChains extends Command
 
     protected $description = 'Проверяет целостность SHA-256 hash-chain в 6 audit-таблицах (per-partition)';
 
-    /**
-     * Конфигурация таблиц: имя таблицы → [columns, partition_clause].
-     *
-     * columns: список столбцов строго в порядке ordinal_position из db/schema.sql.
-     *   Специальное значение '__log_hash__' — маркер позиции log_hash → NULL::bytea.
-     *
-     * partition_clause: SQL-фрагмент для OVER (PARTITION BY … ORDER BY id),
-     *   воспроизводящий RLS-scope триггера внутри одной партиции.
-     *   Пустая строка = глобальная цепочка внутри партиции.
-     *
-     * @var array<string, array{columns: list<string>, partition: string}>
-     */
-    private const TABLE_CONFIG = [
-        // auth_log:
-        //   RLS: actor_type='tenant_user' AND tenant_id = current_setting(...)
-        //   Tenant-сессия видит только (actor_type='tenant_user', tenant_id=N).
-        //   saas_admin-сессия BYPASSRLS — видит всё.
-        //   Partition (actor_type, tenant_id) воспроизводит оба случая:
-        //   каждая пара образует независимую цепочку.
-        'auth_log' => [
-            'columns' => [
-                'id',
-                'actor_type',
-                'tenant_id',
-                'user_id',
-                'saas_admin_user_id',
-                'email',
-                'event',
-                'ip_address',
-                'user_agent',
-                'failure_reason',
-                '__log_hash__',   // log_hash → NULL::bytea
-                'created_at',
-            ],
-            // global chain: auth_log пишется при ЛОГИНЕ под BYPASSRLS-роль
-            // (tenant ещё не установлен — пользователь не аутентифицирован),
-            // поэтому триггерный prev-SELECT видит ВСЕ строки → цепочка глобальная
-            // внутри данной партиции (эмпирически подтверждено прод-smoke).
-            'partition' => '',
-        ],
-
-        // activity_log:
-        //   RLS: tenant_id = current_setting(...) — простая tenant-изоляция.
-        //   Partition: tenant_id.
-        'activity_log' => [
-            'columns' => [
-                'id',
-                'tenant_id',
-                'user_id',
-                'deal_id',
-                'event',
-                'old_value',
-                'new_value',
-                'context',
-                'ip_address',
-                'user_agent',
-                '__log_hash__',   // log_hash → NULL::bytea
-                'created_at',
-            ],
-            'partition' => 'PARTITION BY tenant_id',
-        ],
-
-        // tenant_operations_log:
-        //   RLS: tenant_id = current_setting(...) — простая tenant-изоляция.
-        //   Partition: tenant_id.
-        'tenant_operations_log' => [
-            'columns' => [
-                'id',
-                'tenant_id',
-                'user_id',
-                'entity_type',
-                'entity_id',
-                'event',
-                'payload_before',
-                'payload_after',
-                'ip_address',
-                'user_agent',
-                '__log_hash__',   // log_hash → NULL::bytea
-                'created_at',
-            ],
-            'partition' => 'PARTITION BY tenant_id',
-        ],
-
-        // balance_transactions:
-        //   RLS: tenant_id = current_setting(...) — простая tenant-изоляция.
-        //   Partition: tenant_id.
-        'balance_transactions' => [
-            'columns' => [
-                'id',
-                'tenant_id',
-                'type',
-                'amount_rub',
-                'amount_leads',
-                'balance_rub_after',
-                'balance_leads_after',
-                'description',
-                'related_type',
-                'related_id',
-                'user_id',
-                'admin_user_id',
-                '__log_hash__',   // log_hash → NULL::bytea
-                'created_at',
-            ],
-            'partition' => 'PARTITION BY tenant_id',
-        ],
-
-        // pd_processing_log:
-        //   RLS: tenant_id = current_setting(...) — простая tenant-изоляция.
-        //   Partition: tenant_id.
-        'pd_processing_log' => [
-            'columns' => [
-                'id',
-                'tenant_id',
-                'subject_type',
-                'subject_id',
-                'action',
-                'purpose',
-                'actor_tenant_user_id',
-                'actor_admin_user_id',
-                'ip_address',
-                '__log_hash__',   // log_hash → NULL::bytea
-                'created_at',
-            ],
-            'partition' => 'PARTITION BY tenant_id',
-        ],
-
-        // saas_admin_audit_log:
-        //   Нет RLS-политики для tenant-ролей (REVOKE ALL FROM crm_app_user).
-        //   Вставляет только crm_admin_user (BYPASSRLS) — триггер's SELECT
-        //   видит ВСЕ строки партиции → цепочка глобальная внутри партиции.
-        //   Partition: нет (пустая строка = ORDER BY id без PARTITION BY).
-        'saas_admin_audit_log' => [
-            'columns' => [
-                'id',
-                'admin_user_id',
-                'action',
-                'target_type',
-                'target_id',
-                'target_tenant_id',
-                'payload_before',
-                'payload_after',
-                'reason',
-                'ip_address',
-                'user_agent',
-                'requires_approval',
-                'approved_by',
-                'approved_at',
-                '__log_hash__',   // log_hash → NULL::bytea
-                'created_at',
-            ],
-            'partition' => '',  // global chain within partition — inserting role is BYPASSRLS
-        ],
-    ];
-
     public function handle(): int
     {
         $anyBreach = false;
         $now = Carbon::now();
 
-        foreach (self::TABLE_CONFIG as $table => $config) {
+        foreach (AuditChainConfig::TABLES as $table => $config) {
             // Get all partitions for this table via pg_inherits.
             $partitions = $this->listPartitions($table);
 
@@ -252,7 +99,7 @@ class VerifyAuditChains extends Command
             }
 
             foreach ($partitions as $partitionName) {
-                $breaches = $this->checkPartition($partitionName, $config['columns'], $config['partition']);
+                $breaches = $this->checkPartition($partitionName, $table, $config['partition']);
 
                 if (empty($breaches)) {
                     $this->line("  ✓ {$partitionName}: chain intact");
@@ -321,12 +168,11 @@ class VerifyAuditChains extends Command
      *      где ROW(...) имеет NULL::bytea на позиции log_hash.
      *   4. Возвращает строки, где stored IS DISTINCT FROM recomputed.
      *
-     * @param  list<string>  $columns
      * @return list<object>
      */
-    private function checkPartition(string $partitionName, array $columns, string $partition): array
+    private function checkPartition(string $partitionName, string $table, string $partition): array
     {
-        $rowExpr = $this->buildRowExpression($columns);
+        $rowExpr = AuditChainConfig::rowExpression($table);
 
         // Build OVER clause: with or without PARTITION BY depending on table's RLS scope.
         $overClause = $partition !== ''
@@ -366,25 +212,6 @@ class VerifyAuditChains extends Command
         return $results;
     }
 
-    /**
-     * Строит SQL-выражение ROW(col1, col2, ..., NULL::bytea, ..., coln)
-     * с NULL::bytea на месте log_hash.
-     *
-     * Пример для auth_log:
-     *   ROW(t.id, t.actor_type, t.tenant_id, ..., NULL::bytea, t.created_at)
-     *
-     * @param  list<string>  $columns
-     */
-    private function buildRowExpression(array $columns): string
-    {
-        $parts = [];
-        foreach ($columns as $col) {
-            $parts[] = ($col === '__log_hash__') ? 'NULL::bytea' : "t.{$col}";
-        }
-
-        return 'ROW('.implode(', ', $parts).')';
-    }
-
     /**
      * Вставляет запись в incidents_log (через pgsql_supplier BYPASSRLS).
      * Дедупликация: не создаёт повторный инцидент для той же таблицы,
diff --git a/app/tests/Feature/Audit/VerifyAuditChainsTest.php b/app/tests/Feature/Audit/VerifyAuditChainsTest.php
new file mode 100644
index 00000000..1e447026
--- /dev/null
+++ b/app/tests/Feature/Audit/VerifyAuditChainsTest.php
@@ -0,0 +1,65 @@
+<?php
+
+// Tests for audit:verify-chains command — regression guard for Task 2 refactor.
+// Verifies that the command uses AuditChainConfig::TABLES (shared config)
+// and that AuditChainConfig::rowExpression() works for all registered tables.
+
+declare(strict_types=1);
+
+use App\Services\Audit\AuditChainConfig;
+
+/**
+ * Regression tests for VerifyAuditChains → AuditChainConfig refactor (ADR-018 Task 2).
+ *
+ * These tests do NOT require a DB connection — they verify the static config
+ * integrity used by both VerifyAuditChains and AuditRebuildChain.
+ */
+
+it('AuditChainConfig::TABLES registers all six expected audit tables', function (): void {
+    $tables = array_keys(AuditChainConfig::TABLES);
+
+    expect($tables)->toContain('auth_log')
+        ->toContain('activity_log')
+        ->toContain('tenant_operations_log')
+        ->toContain('balance_transactions')
+        ->toContain('pd_processing_log')
+        ->toContain('saas_admin_audit_log');
+
+    expect(count($tables))->toBe(6);
+});
+
+it('AuditChainConfig::rowExpression builds ROW expression with NULL::bytea at log_hash position', function (): void {
+    $expr = AuditChainConfig::rowExpression('auth_log');
+
+    expect($expr)->toStartWith('ROW(')
+        ->toContain('NULL::bytea')
+        ->not->toContain('t.__log_hash__');
+});
+
+it('AuditChainConfig::rowExpression produces same result for all six tables', function (): void {
+    foreach (array_keys(AuditChainConfig::TABLES) as $table) {
+        $expr = AuditChainConfig::rowExpression($table);
+
+        expect($expr)
+            ->toStartWith('ROW(')
+            ->toContain('NULL::bytea')
+            ->not->toContain('t.__log_hash__');
+    }
+});
+
+it('AuditChainConfig::rowExpression throws for unknown table', function (): void {
+    AuditChainConfig::rowExpression('nonexistent_table');
+})->throws(\InvalidArgumentException::class);
+
+it('VerifyAuditChains command class exists and is registered', function (): void {
+    expect(class_exists(\App\Console\Commands\VerifyAuditChains::class))->toBeTrue();
+});
+
+it('VerifyAuditChains does not have private TABLE_CONFIG const after ADR-018 refactor', function (): void {
+    $reflection = new ReflectionClass(\App\Console\Commands\VerifyAuditChains::class);
+    $constants = $reflection->getReflectionConstants();
+    $names = array_map(fn ($c) => $c->getName(), $constants);
+
+    // After Task 2 refactor, TABLE_CONFIG should be removed (delegated to AuditChainConfig::TABLES)
+    expect($names)->not->toContain('TABLE_CONFIG');
+});