testing ADR - architectural decisions

src/middleware/errorHandler.ts

@@ -58,12 +58,12 @@ export const errorHandler = (err: HttpError, req: Request, res: Response, next:
   // Refine the status code for known error types. Check for most specific types first.
   if (err instanceof UniqueConstraintError) {
     statusCode = 409; // Conflict
-  } else if (err instanceof ForeignKeyConstraintError) {
-    statusCode = 400;
   } else if (err instanceof NotFoundError) {
     statusCode = 404;
+  } else if (err instanceof ForeignKeyConstraintError) {
+    statusCode = 400;
   } else if (err instanceof DatabaseError) {
-    // This is a generic fallback for other database errors.
+    // This is a generic fallback for other database errors that are not the specific subclasses above.
     statusCode = err.status;
   } else if (err.name === 'UnauthorizedError') {
     statusCode = err.status || 401;