feat(demo): build a static editor preview for GitHub Pages

web/src/common/i18n/en.json

@@ -1,4 +1,5 @@
 {
+  "demo_notice": "Editor preview only. Changes are not saved; refreshing restores the sample.",
   "retry_b8784c": "Retry",
   "fonts_could_not_be_loaded_42a574": "Fonts could not be loaded. Check your connection and refresh the page.",
   "refresh_page_9366e1": "Refresh page",

web/src/common/i18n/zh-CN.json

@@ -1,4 +1,5 @@
 {
+  "demo_notice": "仅供编辑器预览。修改不会保存，刷新后恢复示例。",
   "retry_b8784c": "重试",
   "fonts_could_not_be_loaded_42a574": "字体加载失败，请检查网络后刷新页面。",
   "refresh_page_9366e1": "刷新页面",

web/src/pages/workspace/demo/demo.css

@@ -0,0 +1,27 @@
+body {
+  margin: 0;
+}
+
+header {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 8px 16px;
+  padding: 12px 20px;
+  border-bottom: 1px solid var(--rm-divider);
+  font-size: var(--rm-ui-font-size);
+}
+
+header span {
+  flex: 1;
+  color: var(--rm-text-muted);
+}
+
+header a {
+  color: var(--rm-accent);
+}
+
+#app {
+  max-width: 960px;
+  margin-inline: auto;
+}

web/src/pages/workspace/demo/main.ts

@@ -1,14 +1,26 @@
 import { watchFontLoading } from '@@/appearance/font-loading'
+import { t } from '@@/i18n/runtime'
 // Unauthenticated editor demo for automated performance and interaction tests.
 import { createEditorState, createEditorView } from '../editor'
 import sample from './sample.md?raw'
 import '@/i18n'
 import '@@/appearance/base.css'
+import './demo.css'
 
 // ?repeat=N repeats the sample N times for large-document performance testing.
 const repeat = Number(new URLSearchParams(location.search).get('repeat') ?? 1)
 const doc = Array.from({ length: Math.max(1, repeat) }).fill(sample).join('\n')
 
 watchFontLoading()
+const header = document.createElement('header')
+const title = document.createElement('strong')
+title.textContent = `RawMark ${__RAWMARK_RELEASE__}`
+const notice = document.createElement('span')
+notice.textContent = t('common.demo_notice')
+const github = document.createElement('a')
+github.href = 'https://github.com/eezd/RawMark'
+github.textContent = 'GitHub'
+header.append(title, notice, github)
+document.body.prepend(header)
 const view = createEditorView(document.getElementById('app')!, createEditorState({ doc }))
 ;(window as unknown as { rawmarkView: typeof view }).rawmarkView = view

web/src/pages/workspace/demo/sample.md

@@ -52,7 +52,7 @@ func main() {
 
 ## Images
 
-![Sample image](https://vuejs.org/images/logo.png)
+![RawMark icon](./icon.svg)
 
 ## Tables