@@ -89,6 +89,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 
+import { readSqlDriverSource } from '../../../../scripts/sql-driver-split-source.mjs';
 import { describe, expect, it } from 'vitest';
 
 import { generateMigrationSql, generateMigrationTs } from './generate.js';
@@ -99,7 +100,9 @@ const GENERATE_SOURCE = fs.readFileSync(GENERATE_TS, 'utf8');
 
 /** The authority, read where it lives — never transcribed here. */
 const DRIVER_SQL_SRC = path.resolve(HERE, '../../../drivers/driver-sql/src');
-const SQL_DRIVER_SOURCE = fs.readFileSync(path.join(DRIVER_SQL_SRC, 'sql-driver.ts'), 'utf8');
+// `SqlDriver` as one text: `sql-driver.ts` with each codemod stub's body read
+// from the facet module it moved to, and the leaf ahead of the class (#30147).
+const SQL_DRIVER_SOURCE = readSqlDriverSource(DRIVER_SQL_SRC).text;
 
 /** The one line the driver emits for a managed table's primary key. */
 const DRIVER_ID_COLUMN = "table.string('id').primary();";
 
@@ -136,6 +136,7 @@ import {
   REFERENCE_VALUE_TYPES,
   STRUCTURED_JSON_TYPES,
 } from '@objectstack/spec/data';
+import { readSqlDriverSource } from '../../../../scripts/sql-driver-split-source.mjs';
 import { describe, expect, it } from 'vitest';
 
 import { generateMigrationSql, generateMigrationTs, generateTypesFromConfig } from './generate.js';
@@ -318,7 +319,9 @@ describe('generate.ts field-type vocabularies (#13871)', () => {
 
 /** `packages/drivers/driver-sql/src` — declared for `@objectstack/cli#test` in `turbo.json`. */
 const DRIVER_SQL_SRC = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../../../drivers/driver-sql/src');
-const SQL_DRIVER_SOURCE = fs.readFileSync(path.join(DRIVER_SQL_SRC, 'sql-driver.ts'), 'utf8');
+// `SqlDriver` as one text: `sql-driver.ts` with each codemod stub's body read
+// from the facet module it moved to, and the leaf ahead of the class (#30147).
+const SQL_DRIVER_SOURCE = readSqlDriverSource(DRIVER_SQL_SRC).text;
 const SCHEMA_DRIFT_SOURCE = fs.readFileSync(path.join(DRIVER_SQL_SRC, 'schema-drift.ts'), 'utf8');
 
 /**
 
@@ -67,13 +67,16 @@ import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 
 import { FILE_REFERENCE_TYPES, REFERENCE_VALUE_TYPES } from '@objectstack/spec/data';
+import { readSqlDriverSource } from '../../../../scripts/sql-driver-split-source.mjs';
 import { describe, expect, it } from 'vitest';
 
 import { generateMigrationSql, generateMigrationTs } from './generate.js';
 
 /** `packages/drivers/driver-sql/src` — declared for `@objectstack/cli#test` in `turbo.json`. */
 const DRIVER_SQL_SRC = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../../../drivers/driver-sql/src');
-const SQL_DRIVER_SOURCE = fs.readFileSync(path.join(DRIVER_SQL_SRC, 'sql-driver.ts'), 'utf8');
+// `SqlDriver` as one text: `sql-driver.ts` with each codemod stub's body read
+// from the facet module it moved to, and the leaf ahead of the class (#30147).
+const SQL_DRIVER_SOURCE = readSqlDriverSource(DRIVER_SQL_SRC).text;
 
 /** The control the generator documents, plus the arm the family used to ride. */
 const CONTROL_TYPES = ['text', ...REFERENCE_VALUE_TYPES, 'autonumber'] as const;
 
@@ -88,6 +88,7 @@ import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 
 import { isMultiValueField, MULTI_CAPABLE_TYPES, MULTI_OPTION_TYPES } from '@objectstack/spec/data';
+import { readSqlDriverSource } from '../../../../scripts/sql-driver-split-source.mjs';
 import { describe, expect, it } from 'vitest';
 
 import {
@@ -377,7 +378,8 @@ describe('#14829 — `multiple: true` is one answer across all three surfaces',
   // this rule, these fail and whoever moved it re-derives the generators.
 
   it('driver-sql `createColumn` still decides `multiple` BEFORE the type switch', () => {
-    const source = fs.readFileSync(path.join(DRIVER_SQL_SRC, 'sql-driver.ts'), 'utf8');
+    // `SqlDriver` as one text, each codemod stub's body read where it moved (#30147).
+    const source = readSqlDriverSource(DRIVER_SQL_SRC).text;
     // Non-vacuity: the file was really read, and the two landmarks really found.
     expect(source.length).toBeGreaterThan(10_000);
     const start = source.indexOf('protected createColumn(');
 
@@ -251,6 +251,7 @@ import {
   MULTI_OPTION_TYPES,
   STRUCTURED_JSON_TYPES,
 } from '@objectstack/spec/data';
+import { readSqlDriverSource } from '../../../../scripts/sql-driver-split-source.mjs';
 import { afterAll, describe, expect, it } from 'vitest';
 
 import { generateMigrationSql, generateMigrationTs } from './generate.js';
@@ -260,7 +261,9 @@ const GENERATE_SOURCE = fs.readFileSync(path.resolve(HERE, 'generate.ts'), 'utf8
 
 /** The authority, read where it lives — never transcribed here. */
 const DRIVER_SQL_SRC = path.resolve(HERE, '../../../drivers/driver-sql/src');
-const SQL_DRIVER_SOURCE = fs.readFileSync(path.join(DRIVER_SQL_SRC, 'sql-driver.ts'), 'utf8');
+// `SqlDriver` as one text: `sql-driver.ts` with each codemod stub's body read
+// from the facet module it moved to, and the leaf ahead of the class (#30147).
+const SQL_DRIVER_SOURCE = readSqlDriverSource(DRIVER_SQL_SRC).text;
 const SCHEMA_DRIFT_SOURCE = fs.readFileSync(path.join(DRIVER_SQL_SRC, 'schema-drift.ts'), 'utf8');
 
 /** The authority for which types exist at all. Imported, never listed here. */