diff --git a/api-v3/src/database/migrations/1788652800000-reset-production-operational-data.ts b/api-v3/src/database/migrations/1788652800000-reset-production-operational-data.ts
index a57c6a2..0af4e47 100644
--- a/api-v3/src/database/migrations/1788652800000-reset-production-operational-data.ts
+++ b/api-v3/src/database/migrations/1788652800000-reset-production-operational-data.ts
@@ -26,11 +26,7 @@ export class ResetProductionOperationalData1788652800000 implements MigrationInt
 
     const adminId = adminRows[0].id;
 
-    // Product configuration that must survive a clean operational start.
-    const preservedTables = new Set([
-      'typeorm_migrations',
-      'users',
-      'user_roles',
+    const structuralTables = [
       'roles',
       'permissions',
       'role_permissions',
@@ -41,6 +37,34 @@ export class ResetProductionOperationalData1788652800000 implements MigrationInt
       'finding_catalog_items',
       'finding_catalog_item_asset_types',
       'finding_catalog_asset_type_profiles',
+    ];
+
+    // Snapshot structural row counts so TRUNCATE ... CASCADE can never silently
+    // remove product configuration while still leaving operational tables empty.
+    const structuralCounts = new Map<string, string>();
+    for (const table of structuralTables) {
+      const safeTable = `"${table.replace(/"/g, '""')}"`;
+      const rows: Array<{ total: string }> = await queryRunner.query(
+        `SELECT count(*)::text AS total FROM ${safeTable}`,
+      );
+      structuralCounts.set(table, rows[0]?.total ?? '0');
+    }
+
+    const adminRolesBefore: Array<{ total: string }> = await queryRunner.query(
+      `SELECT count(*)::text AS total FROM user_roles WHERE user_id = $1`,
+      [adminId],
+    );
+    const adminRoleCount = adminRolesBefore[0]?.total ?? '0';
+    if (adminRoleCount === '0') {
+      throw new Error('Production reset aborted: admin has no assigned role');
+    }
+
+    // Product configuration that must survive a clean operational start.
+    const preservedTables = new Set([
+      'typeorm_migrations',
+      'users',
+      'user_roles',
+      ...structuralTables,
     ]);
 
     const tableRows: Array<{ table_name: string }> = await queryRunner.query(`
@@ -68,14 +92,17 @@ export class ResetProductionOperationalData1788652800000 implements MigrationInt
 
     // A reset must invalidate every prior login token, including admin's.
     // auth_sessions is operational and was truncated above; admin simply logs in again.
-    await queryRunner.query(`
+    await queryRunner.query(
+      `
       UPDATE users
       SET failed_login_attempts = 0,
           locked_until = NULL,
           last_login_at = NULL,
           updated_at = CURRENT_TIMESTAMP
       WHERE id = $1
-    `, [adminId]);
+    `,
+      [adminId],
+    );
 
     const finalUsers: Array<{ total: string; admins: string }> = await queryRunner.query(`
       SELECT
@@ -88,6 +115,37 @@ export class ResetProductionOperationalData1788652800000 implements MigrationInt
       throw new Error('Production reset verification failed: users table is not admin-only');
     }
 
+    const finalAdminRoles: Array<{ total: string; foreign_users: string }> = await queryRunner.query(
+      `
+      SELECT
+        count(*) FILTER (WHERE user_id = $1)::text AS total,
+        count(*) FILTER (WHERE user_id <> $1)::text AS foreign_users
+      FROM user_roles
+    `,
+      [adminId],
+    );
+
+    if (
+      finalAdminRoles[0]?.total !== adminRoleCount ||
+      finalAdminRoles[0]?.foreign_users !== '0'
+    ) {
+      throw new Error('Production reset verification failed: admin role assignments changed');
+    }
+
+    // Assert every structural table kept exactly the same number of rows.
+    for (const table of structuralTables) {
+      const safeTable = `"${table.replace(/"/g, '""')}"`;
+      const rows: Array<{ total: string }> = await queryRunner.query(
+        `SELECT count(*)::text AS total FROM ${safeTable}`,
+      );
+      const before = structuralCounts.get(table) ?? '0';
+      if (rows[0]?.total !== before) {
+        throw new Error(
+          `Production reset verification failed: structural table ${table} changed (${before} -> ${rows[0]?.total ?? 'unknown'})`,
+        );
+      }
+    }
+
     // Assert that every operational table is empty. This makes the migration
     // fail atomically if a table was repopulated during the reset transaction.
     for (const table of operationalTables) {
@@ -103,7 +161,7 @@ export class ResetProductionOperationalData1788652800000 implements MigrationInt
     // Keep a concise server-side record in the migration log for deploy diagnostics.
     // eslint-disable-next-line no-console
     console.log(
-      `[production-reset] kept admin=${adminRows[0].username} (${adminId}); cleared ${operationalTables.length} operational tables`,
+      `[production-reset] kept admin=${adminRows[0].username} (${adminId}); preserved ${structuralTables.length} structural tables; cleared ${operationalTables.length} operational tables`,
     );
   }