diff --git a/api/app/clients/OpenAIClient.js b/api/app/clients/OpenAIClient.js
index c81d0c574c..cd46cf7d6f 100644
--- a/api/app/clients/OpenAIClient.js
+++ b/api/app/clients/OpenAIClient.js
@@ -652,10 +652,12 @@ class OpenAIClient extends BaseClient {
     const { headers } = this.options;
     if (headers && typeof headers === 'object' && !Array.isArray(headers)) {
       configOptions.baseOptions = {
-        headers: resolveHeaders({ headers: {
-          ...headers,
-          ...configOptions?.baseOptions?.headers,
-        } }),
+        headers: resolveHeaders({
+          headers: {
+            ...headers,
+            ...configOptions?.baseOptions?.headers,
+          },
+        }),
       };
     }
 
diff --git a/api/server/services/Endpoints/custom/initialize.js b/api/server/services/Endpoints/custom/initialize.js
index 7e61dd17da..184cb612d8 100644
--- a/api/server/services/Endpoints/custom/initialize.js
+++ b/api/server/services/Endpoints/custom/initialize.js
@@ -28,7 +28,11 @@ const initializeClient = async ({ req, res, endpointOption, optionsOnly, overrid
   const CUSTOM_API_KEY = extractEnvVariable(endpointConfig.apiKey);
   const CUSTOM_BASE_URL = extractEnvVariable(endpointConfig.baseURL);
 
-  let resolvedHeaders = resolveHeaders({ headers: endpointConfig.headers, user: req.user, body: req.body });
+  let resolvedHeaders = resolveHeaders({
+    headers: endpointConfig.headers,
+    user: req.user,
+    body: req.body,
+  });
 
   if (CUSTOM_API_KEY.match(envVarRegex)) {
     throw new Error(`Missing API Key for ${endpoint}.`);
diff --git a/packages/api/src/utils/env.spec.ts b/packages/api/src/utils/env.spec.ts
index 909299ba22..ae62d1ef2c 100644
--- a/packages/api/src/utils/env.spec.ts
+++ b/packages/api/src/utils/env.spec.ts
@@ -428,7 +428,11 @@ describe('resolveHeaders', () => {
   });
 
   it('should process LIBRECHAT_BODY placeholders', () => {
-    const body = { conversationId: 'conv-123', parentMessageId: 'parent-456', messageId: 'msg-789' };
+    const body = {
+      conversationId: 'conv-123',
+      parentMessageId: 'parent-456',
+      messageId: 'msg-789',
+    };
     const headers = { 'X-Conversation': '{{LIBRECHAT_BODY_CONVERSATIONID}}' };
     const result = resolveHeaders({ headers, body });
     expect(result['X-Conversation']).toBe('conv-123');
diff --git a/packages/api/src/utils/env.ts b/packages/api/src/utils/env.ts
index 09b401a594..ed777dc640 100644
--- a/packages/api/src/utils/env.ts
+++ b/packages/api/src/utils/env.ts
@@ -29,11 +29,7 @@ const ALLOWED_USER_FIELDS = [
  * List of allowed request body fields that can be used in header placeholders.
  * These are common fields from the request body that are safe to expose in headers.
  */
-const ALLOWED_BODY_FIELDS = [
-  'conversationId',
-  'parentMessageId',
-  'messageId'
-] as const;
+const ALLOWED_BODY_FIELDS = ['conversationId', 'parentMessageId', 'messageId'] as const;
 
 /**
  * Processes a string value to replace user field placeholders
@@ -81,7 +77,6 @@ function processUserPlaceholders(value: string, user?: TUser): string {
  * @returns The processed string with placeholders replaced
  */
 function processBodyPlaceholders(value: string, body: RequestBody): string {
-
   for (const field of ALLOWED_BODY_FIELDS) {
     const placeholder = `{{LIBRECHAT_BODY_${field.toUpperCase()}}}`;
     if (!value.includes(placeholder)) {
@@ -195,7 +190,7 @@ export function processMCPEnv(
 
 /**
  * Resolves header values by replacing user placeholders, body variables, custom variables, and environment variables.
- * 
+ *
  * @param options - Optional configuration object.
  * @param options.headers - The headers object to process.
  * @param options.user - Optional user object for replacing user field placeholders (can be partial with just id).
diff --git a/packages/data-provider/src/types/http.ts b/packages/data-provider/src/types/http.ts
index 5b2363ee6f..c2d5e6f90f 100644
--- a/packages/data-provider/src/types/http.ts
+++ b/packages/data-provider/src/types/http.ts
@@ -4,4 +4,3 @@ export interface RequestBody {
   conversationId?: string;
   [key: string]: unknown;
 }
-