chore: gpt-5.4示例配置修改model_reasoning_effort为xhigh

frontend/src/components/keys/UseKeyModal.vue

@@ -514,7 +514,7 @@ function generateOpenAIFiles(baseUrl: string, apiKey: string): FileConfig[] {
   const configContent = `model_provider = "OpenAI"
 model = "gpt-5.4"
 review_model = "gpt-5.4"
-model_reasoning_effort = "high"
+model_reasoning_effort = "xhigh"
 disable_response_storage = true
 network_access = "enabled"
 windows_wsl_setup_acknowledged = true
@@ -553,7 +553,7 @@ function generateOpenAIWsFiles(baseUrl: string, apiKey: string): FileConfig[] {
   const configContent = `model_provider = "OpenAI"
 model = "gpt-5.4"
 review_model = "gpt-5.4"
-model_reasoning_effort = "high"
+model_reasoning_effort = "xhigh"
 disable_response_storage = true
 network_access = "enabled"
 windows_wsl_setup_acknowledged = true