新增gpt5.6的两个大模型

app/Consts/BaseConst.php

@@ -85,7 +85,7 @@ class BaseConst
     const VOLC_PIC_MODELS = ['doubao-seedream-5-0-260128', 'doubao-seedream-5-0-lite-260128', 'doubao-seedream-4-5-251128'];
     const GPT_IMAGE2_MODELS = ['gpt-image-2'];
     const NANO_BANANA_MODELS = ['NanoBanana2', 'NanoBananaPro', 'GptImage2'];
-    const GPT_TEXT_MODELS = ['gpt-5.4', 'gpt-5.6-terra', 'gpt-5.6-sol'];
+    const GPT_TEXT_MODELS = ['gpt-5.4', 'gpt-5.6-terra', 'gpt-5.6-sol', 'gpt-5.6-luna'];
     const GEMINI_TEXT_MODELS = [
         'gemini-3-pro-preview',
         'gemini-3-flash-preview',