tripocli v2.1.0：新增图片4K超分(img-upscale)、智能抠图(img-split)、图片删除与nanobanana免费模型别名

tripo/features/image_gen.py

@@ -26,12 +26,16 @@ HELP = "文生图：用文本生成参考图（游戏资产流程的第一步）
 # 界面上的模型名 → API 的 model_version（逐个在页面上选中并抓包确认）
 IMAGE_MODELS = {
     "nano-banana-2": "gemini_3.1_flash_image_preview",
+    "nanobanana": "gemini_3.1_flash_image_preview",
+    "nano-banana": "gemini_3.1_flash_image_preview",
+    "banana": "gemini_3.1_flash_image_preview",
     "nano-banana-pro": "gemini_3_pro_image_preview",
+    "nanobanana-pro": "gemini_3_pro_image_preview",
     "gpt-image-2": "gpt_image_2",
     "gpt-image-2.5": "gpt_image_2.5_sunburst",
     "midjourney": "midjourney",
 }
-DEFAULT_MODEL = "nano-banana-2"
+DEFAULT_MODEL = "nano-banana-2"  # 免费/非会员默认可用模型 (Nano Banana 2 / Gemini 3.1 Flash)
 
 SCALES = ["1:1", "16:9", "9:16", "4:3", "3:4"]
 RESOLUTIONS = ["1K", "2K", "4K"]