fix(openai): treat Authorization header as case-insensitive

src/pages/AiProvidersOpenAIEditPage.tsx

@@ -12,7 +12,7 @@ import { useEdgeSwipeBack } from '@/hooks/useEdgeSwipeBack';
 import { useNotificationStore } from '@/stores';
 import { apiCallApi, getApiCallErrorMessage } from '@/services/api';
 import type { ApiKeyEntry } from '@/types';
-import { buildHeaderObject } from '@/utils/headers';
+import { buildHeaderObject, hasHeader } from '@/utils/headers';
 import { buildApiKeyEntry, buildOpenAIChatCompletionsEndpoint } from '@/components/providers/utils';
 import type { OpenAIEditOutletContext } from './AiProvidersOpenAIEditLayout';
 import type { KeyTestStatus } from '@/stores/useOpenAIEditDraftStore';
@@ -213,7 +213,7 @@ export function AiProvidersOpenAIEditPage() {
         'Content-Type': 'application/json',
         ...customHeaders,
       };
-      if (!headers.Authorization && !headers['authorization']) {
+      if (!hasHeader(headers, 'authorization')) {
         headers.Authorization = `Bearer ${keyEntry.apiKey.trim()}`;
       }
 

src/pages/AiProvidersOpenAIModelsPage.tsx

@@ -9,7 +9,7 @@ import { SecondaryScreenShell } from '@/components/common/SecondaryScreenShell';
 import { useEdgeSwipeBack } from '@/hooks/useEdgeSwipeBack';
 import { modelsApi } from '@/services/api';
 import type { ModelInfo } from '@/utils/models';
-import { buildHeaderObject } from '@/utils/headers';
+import { buildHeaderObject, hasHeader } from '@/utils/headers';
 import { buildOpenAIModelsEndpoint } from '@/components/providers/utils';
 import type { OpenAIEditOutletContext } from './AiProvidersOpenAIEditLayout';
 import styles from './AiProvidersPage.module.scss';
@@ -68,7 +68,7 @@ export function AiProvidersOpenAIModelsPage() {
       try {
         const headerObject = buildHeaderObject(form.headers);
         const firstKey = form.apiKeyEntries.find((entry) => entry.apiKey?.trim())?.apiKey?.trim();
-        const hasAuthHeader = Boolean(headerObject.Authorization || headerObject['authorization']);
+        const hasAuthHeader = hasHeader(headerObject, 'authorization');
         const list = await modelsApi.fetchModelsViaApiCall(
           trimmedBaseUrl,
           hasAuthHeader ? undefined : firstKey,

src/services/api/models.ts

@@ -90,7 +90,7 @@ export const modelsApi = {
     }
 
     const resolvedHeaders = { ...headers };
-    if (apiKey) {
+    if (apiKey && !hasHeader(resolvedHeaders, 'authorization')) {
       resolvedHeaders.Authorization = `Bearer ${apiKey}`;
     }
 
@@ -116,8 +116,7 @@ export const modelsApi = {
     }
 
     const resolvedHeaders = { ...headers };
-    const hasAuthHeader = Boolean(resolvedHeaders.Authorization || resolvedHeaders.authorization);
-    if (apiKey && !hasAuthHeader) {
+    if (apiKey && !hasHeader(resolvedHeaders, 'authorization')) {
       resolvedHeaders.Authorization = `Bearer ${apiKey}`;
     }
 
@@ -149,8 +148,7 @@ export const modelsApi = {
     }
 
     const resolvedHeaders = { ...headers };
-    const hasAuthHeader = Boolean(resolvedHeaders.Authorization || resolvedHeaders.authorization);
-    if (apiKey && !hasAuthHeader) {
+    if (apiKey && !hasHeader(resolvedHeaders, 'authorization')) {
       resolvedHeaders.Authorization = `Bearer ${apiKey}`;
     }
 

src/utils/headers.ts

@@ -31,6 +31,12 @@ export function buildHeaderObject(input?: HeaderEntry[] | Record<string, string
   }, {});
 }
 
+export function hasHeader(headers: Record<string, unknown> | null | undefined, name: string): boolean {
+  if (!headers) return false;
+  const target = name.toLowerCase();
+  return Object.keys(headers).some((key) => key.toLowerCase() === target);
+}
+
 export function headersToEntries(headers?: Record<string, string | undefined | null>): HeaderEntry[] {
   if (!headers || typeof headers !== 'object') return [];
   return Object.entries(headers)