README: a word on the network (Civitai, Google Translate, offline scan)

Users in mainland China often have no proxy: say which parts need the
network and that an offline scan works without it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -105,6 +105,9 @@ Open the browser with **Ctrl + Shift + M**, the floating button on the canvas, o
 
 The first time you open it, start on **Home**: **Scan model folders** fills in covers and trigger words, and **Tour the interface** points at each part of the window.
 
+> [!NOTE]
+> **Network:** Scan looks models up on Civitai and prompt translation uses Google Translate, so both need to reach those sites (from mainland China usually through a proxy). Without them, pick **Offline scan**: base models are read from the files, without covers or trigger words, and a later online scan fills in the rest. Browsing models, outputs, workflows and combos needs no network.
+
 > [!WARNING]
 > **Keep a copy of your own data:** Workflow Recipes, combos, saved prompts and node values, and parameter presets live in `workflows/anomalous_recipes`, `workflows/anomalous_notebooks`, `workflows/anomalous_materials` and `workflows/anomalous_parameters` in your ComfyUI user folder. A copy of them before updating the plugin is a good habit.
 
@@ -201,6 +204,9 @@ The first time you open it, start on **Home**: **Scan model folders** fills in c
 
 第一次打开时会停在 **主页**：点 **扫描模型文件夹** 补全封面和触发词；点 **界面导览** 会逐一指给你看窗口的各个部分。
 
+> [!NOTE]
+> **关于网络：** 扫描模型要连 Civitai（C 站）查封面和触发词，提示词翻译默认用谷歌翻译，这两样在国内一般要开网络代理才能用。不开代理也行：扫描时选 **离线扫描**，只从模型文件推断底模，没有封面和触发词，以后能连上时再扫一次会自动补上。浏览模型、图库、工作流和搭配都不用联网。
+
 > [!WARNING]
 > **备份自己的数据：** 工作流配方、搭配、存下的提示词和节点参数、参数预设存在 ComfyUI 用户目录下的 `workflows/anomalous_recipes`、`workflows/anomalous_notebooks`、`workflows/anomalous_materials` 与 `workflows/anomalous_parameters` 文件夹。更新插件前顺手备份一份，更安心。