fix: refactor provider headers logic in providerConfig (#11849)

Simplifies and centralizes header construction by merging defaultAppHeaders and extra_headers, and sets X-Api-Key for OpenAI providers. Removes redundant header assignment logic for improved maintainability.

src/renderer/src/aiCore/provider/providerConfig.ts

@@ -32,6 +32,7 @@ import {
   isSupportStreamOptionsProvider,
   isVertexProvider
 } from '@renderer/utils/provider'
+import { defaultAppHeaders } from '@shared/utils'
 import { cloneDeep, isEmpty } from 'lodash'
 
 import type { AiSdkConfig } from '../types'
@@ -197,18 +198,13 @@ export function providerToAiSdkConfig(actualProvider: Provider, model: Model): A
     extraOptions.mode = 'chat'
   }
 
-  // 添加额外headers
-  if (actualProvider.extra_headers) {
-    extraOptions.headers = actualProvider.extra_headers
-    // copy from openaiBaseClient/openaiResponseApiClient
-    if (aiSdkProviderId === 'openai') {
   extraOptions.headers = {
-        ...extraOptions.headers,
-        'HTTP-Referer': 'https://cherry-ai.com',
-        'X-Title': 'Cherry Studio',
-        'X-Api-Key': baseConfig.apiKey
-      }
+    ...defaultAppHeaders(),
+    ...actualProvider.extra_headers
   }
+
+  if (aiSdkProviderId === 'openai') {
+    extraOptions.headers['X-Api-Key'] = baseConfig.apiKey
   }
   // azure
   // https://learn.microsoft.com/en-us/azure/ai-foundry/openai/latest