refactor(aiCore): streamline provider options and enhance OpenAI handling

- Simplified the OpenAI mode handling in the provider configuration.
- Added service tier settings to provider-specific options for better configuration management.
- Refactored the `buildOpenAIProviderOptions` function to remove redundant parameters and improve clarity.

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

@@ -85,7 +85,7 @@ export function providerToAiSdkConfig(
     baseURL: actualProvider.apiHost,
     apiKey: actualProvider.apiKey
   }
-  // 处理OpenAI模式（简化逻辑）
+  // 处理OpenAI模式
   const extraOptions: any = {}
   if (actualProvider.type === 'openai-response' && !isOpenAIChatCompletionOnlyModel(model)) {
     extraOptions.mode = 'responses'

src/renderer/src/aiCore/utils/options.ts

@@ -70,13 +70,15 @@ export function buildProviderOptions(
   const providerId = getAiSdkProviderId(actualProvider)
   // 构建 provider 特定的选项
   let providerSpecificOptions: Record<string, any> = {}
-
+  const serviceTierSetting = getServiceTier(model, actualProvider)
+  providerSpecificOptions.serviceTier = serviceTierSetting
   // 根据 provider 类型分离构建逻辑
   switch (providerId) {
     case 'openai':
     case 'azure':
       providerSpecificOptions = {
-        ...buildOpenAIProviderOptions(assistant, model, capabilities, actualProvider)
+        ...buildOpenAIProviderOptions(assistant, model, capabilities),
+        serviceTier: serviceTierSetting
       }
       break
 
@@ -95,7 +97,10 @@ export function buildProviderOptions(
 
     default:
       // 对于其他 provider，使用通用的构建逻辑
-      providerSpecificOptions = buildGenericProviderOptions(assistant, model, capabilities)
+      providerSpecificOptions = {
+        ...buildGenericProviderOptions(assistant, model, capabilities),
+        serviceTier: serviceTierSetting
+      }
       break
   }
 
@@ -121,19 +126,16 @@ function buildOpenAIProviderOptions(
     enableReasoning: boolean
     enableWebSearch: boolean
     enableGenerateImage: boolean
-  },
-  actualProvider: Provider
+  }
 ): Record<string, any> {
   const { enableReasoning } = capabilities
   let providerOptions: Record<string, any> = {}
-  const serviceTierSetting = getServiceTier(model, actualProvider)
   // OpenAI 推理参数
   if (enableReasoning) {
     const reasoningParams = getOpenAIReasoningParams(assistant, model)
     providerOptions = {
       ...providerOptions,
-      ...reasoningParams,
-      serviceTier: serviceTierSetting
+      ...reasoningParams
     }
   }