fix(typings): keep helper config types in types.d.ts only

An eighth duplicated *Config typedef makes TypeScript report the conflicts
as one file-level error that @ts-ignore cannot suppress.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: DavertMik

typings/fixDefFiles.js

@@ -10,7 +10,7 @@ filePath.forEach(file => {
       return
     }
 
-    const modifiedContent = modifyContent(data)
+    const modifiedContent = modifyContent(file.endsWith('promiseBasedTypes.d.ts') ? removeConfigTypes(data) : data)
 
     // Write the modified content back to the file
     fs.writeFile(file, modifiedContent, 'utf8', err => {
@@ -24,6 +24,12 @@ filePath.forEach(file => {
   })
 })
 
+// Helper config types are emitted into both files; TypeScript stops honouring `@ts-ignore` once
+// eight or more identifiers conflict between two files, so keep them in types.d.ts only.
+function removeConfigTypes(content) {
+  return content.replace(/(?: {4}\/\*\*(?:(?!\*\/)[\s\S])*?\*\/\n)? {4}type \w+Config = \{\n[\s\S]*?\n {4}\};\n/g, '')
+}
+
 function modifyContent(content) {
   const modifiedContent = content
     .replace(/    class MockServer {/, '    // @ts-ignore\n' + '    class MockServer {')