feat(frontend): 统一界面图标体系

frontend/package.json

@@ -12,6 +12,9 @@
   "dependencies": {
     "@codemirror/lang-markdown": "^6.5.0",
     "@codemirror/theme-one-dark": "^6.1.0",
+    "@element-plus/icons-vue": "^2.3.2",
+    "@milkdown/crepe": "7.22.1",
+    "@milkdown/kit": "7.22.1",
     "@milkdown/plugin-block": "^7.22.0",
     "@milkdown/plugin-cursor": "^7.22.0",
     "@milkdown/plugin-history": "^7.22.0",
@@ -21,11 +24,15 @@
     "@milkdown/plugin-trailing": "^7.22.0",
     "@milkdown/theme-nord": "^7.22.0",
     "@milkdown/vue": "^7.22.0",
+    "@shikijs/engine-javascript": "4.4.3",
+    "@shikijs/langs": "4.4.3",
+    "@shikijs/themes": "4.4.3",
     "@vueuse/core": "^14.0.0",
     "codemirror": "^6.0.0",
     "dompurify": "^3.4.14",
     "marked": "^15.0.0",
     "pinia": "^4.0.0",
+    "shiki": "^4.4.3",
     "vue": "^3.5.0",
     "vue-router": "^5.0.0"
   },