feat(M2): FR-E12 公式块——MathBlock 节点(KaTeX 块级渲染+可编辑源码区)+InlineMath 行内公式; SlashMenu 加 公式 项; addStorage markdown 序列化(../$..$); katex 依赖; editor-math E2E 1 项

apps/desktop/package.json

@@ -52,6 +52,7 @@
     "@tiptap/starter-kit": "^3.30.2",
     "@tiptap/suggestion": "^3.30.2",
     "hotkeys-js": "^4.0.5",
+    "katex": "^0.16.47",
     "lowlight": "^3.3.0",
     "markmap-view": "^0.18.12",
     "remark-gfm": "^4.0.1",
@@ -65,6 +66,7 @@
   "devDependencies": {
     "@playwright/test": "^1.62.1",
     "@types/d3-drag": "^3.0.7",
+    "@types/katex": "^0.16.8",
     "@types/d3-force": "^3.0.10",
     "@types/d3-selection": "^3.0.11",
     "@types/d3-zoom": "^3.0.8",