From 5fa56e00e80d14f1d089cdcd61f11385d49558a3 Mon Sep 17 00:00:00 2001
From: Dmitry Nechay <lelekkofe@gmail.com>
Date: Mon, 27 Jul 2026 15:48:22 +0300
Subject: [PATCH] fix: accept unknown manifest as is

---
 .../src/common/interceptors/snake-case.ts     | 44 +++++++++++++++++--
 .../server/src/modules/job/job.controller.ts  |  2 +
 2 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/packages/apps/job-launcher/server/src/common/interceptors/snake-case.ts b/packages/apps/job-launcher/server/src/common/interceptors/snake-case.ts
index 5d87024276..9bcab61124 100644
--- a/packages/apps/job-launcher/server/src/common/interceptors/snake-case.ts
+++ b/packages/apps/job-launcher/server/src/common/interceptors/snake-case.ts
@@ -5,6 +5,7 @@ import {
   NestInterceptor,
   StreamableFile,
 } from '@nestjs/common';
+import { Reflector } from '@nestjs/core';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 import {
@@ -12,16 +13,49 @@ import {
   transformKeysFromSnakeToCamel,
 } from '../utils/case-converter';
 
+export const SkipSnakeCaseTransform = Reflector.createDecorator<
+  | {
+      // Either skip specified top-level body props or skip it entirely
+      body?: string[] | boolean;
+      query?: boolean;
+      response?: boolean;
+    }
+  | undefined
+>({
+  key: 'skipSnakeCaseTransform',
+});
+
 @Injectable()
 export class SnakeCaseInterceptor implements NestInterceptor {
+  constructor(private reflector: Reflector) {}
+
   intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
     const request = context.switchToHttp().getRequest();
 
-    if (request.body) {
-      request.body = transformKeysFromSnakeToCamel(request.body);
+    const skipTransformOptions = this.reflector.getAllAndOverride(
+      SkipSnakeCaseTransform,
+      [context.getHandler(), context.getClass()],
+    ) || { body: false, query: false, response: false };
+
+    const shouldSkipBody = skipTransformOptions.body === true;
+    if (request.body && !shouldSkipBody) {
+      const transformed = transformKeysFromSnakeToCamel(request.body);
+
+      const skipBodyProps = Array.isArray(skipTransformOptions.body)
+        ? skipTransformOptions.body
+        : [];
+      for (const prop of skipBodyProps) {
+        if (prop in request.body) {
+          // @ts-expect-error - 'transformed' is same type as 'request.body'
+          transformed[prop] = request.body[prop];
+        }
+      }
+
+      request.body = transformed;
     }
 
-    if (request.query) {
+    const shouldSkipQuery = skipTransformOptions.query === true;
+    if (request.query && !shouldSkipQuery) {
       const transformedQuery = transformKeysFromSnakeToCamel(request.query);
       Object.defineProperty(request, 'query', {
         value: transformedQuery,
@@ -33,9 +67,11 @@ export class SnakeCaseInterceptor implements NestInterceptor {
 
     return next.handle().pipe(
       map((data) => {
-        if (data instanceof StreamableFile) {
+        const shouldSkipResponse = skipTransformOptions.query === true;
+        if (data instanceof StreamableFile || shouldSkipResponse) {
           return data;
         }
+
         return transformKeysFromCamelToSnake(data);
       }),
     );
diff --git a/packages/apps/job-launcher/server/src/modules/job/job.controller.ts b/packages/apps/job-launcher/server/src/modules/job/job.controller.ts
index 1fda2dbe6b..cb9ee1b5c9 100644
--- a/packages/apps/job-launcher/server/src/modules/job/job.controller.ts
+++ b/packages/apps/job-launcher/server/src/modules/job/job.controller.ts
@@ -36,6 +36,7 @@ import {
   JobUnknownManifestDto,
 } from './job.dto';
 import { JobService } from './job.service';
+import { SkipSnakeCaseTransform } from '../../common/interceptors/snake-case';
 
 @ApiBearerAuth()
 @UseGuards(JwtAuthGuard)
@@ -135,6 +136,7 @@ export class JobController {
       'Endpoint to create a job using a manifest JSON body without validating its format.',
   })
   @ApiBody({ type: JobUnknownManifestDto })
+  @SkipSnakeCaseTransform({ body: ['manifest'] })
   @ApiResponse({
     status: 201,
     description: 'ID of the created job.',