Complete phase two benchmarks, plot previews and static export workflow

frontend/src/components/common/DiagramInteractions.vue

@@ -220,3 +220,8 @@ function close() { disarm(); viewer.value?.close(); svgHtml.value = ''; opener?.
 :is(.editor-mermaid-preview, .markdown-mermaid):is(:hover, :focus-within) > .diagram-controls { opacity: 1; pointer-events: auto; }
 @media (hover: none) { :is(.editor-mermaid-preview, .markdown-mermaid) > .diagram-controls { opacity: 1; pointer-events: auto; } }
 </style>
+
+<style>
+/* Keep 10px axis labels readable on narrow screens; the existing container scrolls. */
+.function-plot-preview > svg, .markdown-function-plot > svg { min-width: 640px; }
+</style>

frontend/src/components/common/MarkdownContent.vue

@@ -24,7 +24,7 @@ const diagramTheme = computed<'light' | 'dark'>(() => (themeStore.isDark ? 'dark
 // 主题切换需要重渲染：Mermaid SVG 的配色在渲染时烘焙，无法靠 CSS 变量事后调整。
 watch([() => props.source, diagramTheme, () => themeStore.currentThemeId, () => JSON.stringify(markdownPreferences.normalized), () => JSON.stringify([props.citationNumbers, props.citationAliases])], async ([source, theme]) => {
   const version = ++renderVersion
-  const result = await renderMarkdown(source, { theme, preferences: markdownPreferences.normalized, citationNumbers: props.citationNumbers, citationAliases: props.citationAliases })
+  const result = await renderMarkdown(source, { theme, themeId: themeStore.currentThemeId, preferences: markdownPreferences.normalized, citationNumbers: props.citationNumbers, citationAliases: props.citationAliases })
   if (version === renderVersion) html.value = result
 }, { immediate: true, flush: 'post' })
 </script>

frontend/src/components/common/PrimarySidebar.vue

@@ -20,6 +20,7 @@ const navItems = computed(() => [
   { name: 'plugins', icon: Connection, label: 'Plugin' },
   { name: 'mcp-servers', icon: Monitor, label: 'MCP' },
   { name: 'themes', icon: Brush, label: t('主题', 'Themes') },
+  { name: 'benchmarks', icon: Monitor, label: 'Benchmark' },
   { name: 'logs', icon: Document, label: t('日志', 'Logs') },
   { name: 'settings', icon: Setting, label: t('设置', 'Settings') },
 ])