feat(frontend): Shiki 白名单语言高亮并支持 aardio

显式加载常用语言；修复 pretty-code 去 shiki class 导致不上色，以及 aardio 循环别名。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/components/markdown/aardioGrammar.ts

@@ -0,0 +1,117 @@
+import type { LanguageRegistration } from "shiki";
+
+/**
+ * aardio TextMate grammar（对齐官方 Prism / 用户提供的 highlight.js 规则）：
+ * https://www.aardio.com/zh-cn/docs/js/prism.js
+ */
+export const aardioGrammar: LanguageRegistration = {
+  name: "aardio",
+  scopeName: "source.aardio",
+  // 勿把 name 自身再写进 aliases，否则 Shiki 报 Circular alias `aardio -> aardio`
+  patterns: [
+    { include: "#block-comment" },
+    { include: "#line-comment" },
+    { include: "#string-double" },
+    { include: "#string-backtick" },
+    { include: "#string-single" },
+    { include: "#constant-underscore" },
+    { include: "#class-decl" },
+    { include: "#keywords" },
+    { include: "#literals" },
+    { include: "#function-call" },
+    { include: "#numbers" },
+    { include: "#operators" },
+  ],
+  repository: {
+    "block-comment": {
+      name: "comment.block.aardio",
+      begin: "/\\*+",
+      end: "\\*+/",
+      patterns: [{ include: "self" }],
+    },
+    "line-comment": {
+      name: "comment.line.double-slash.aardio",
+      match: "//.*$",
+    },
+    "string-double": {
+      name: "string.quoted.double.aardio",
+      begin: '"',
+      end: '"',
+      patterns: [{ name: "constant.character.escape.aardio", match: '""' }],
+    },
+    "string-backtick": {
+      name: "string.quoted.other.aardio",
+      begin: "`",
+      end: "`",
+      patterns: [{ name: "constant.character.escape.aardio", match: "``" }],
+    },
+    "string-single": {
+      name: "string.quoted.single.aardio",
+      begin: "'",
+      end: "'",
+      patterns: [
+        {
+          name: "constant.character.escape.aardio",
+          match: "\\\\.",
+        },
+      ],
+    },
+    "constant-underscore": {
+      name: "constant.other.aardio",
+      match: "\\b_[A-Za-z]\\w*\\b",
+    },
+    "class-decl": {
+      begin: "\\b(class)\\b",
+      beginCaptures: {
+        "1": { name: "keyword.control.aardio" },
+      },
+      end: "(?=[{;])",
+      patterns: [
+        {
+          name: "entity.name.type.class.aardio",
+          match: "[\\w.\\\\]+",
+        },
+      ],
+    },
+    keywords: {
+      name: "keyword.control.aardio",
+      match:
+        "\\b(?:begin|end|if|lambda|λ|else|elseif|class|function|return|while|do|namespace|select|case|catch|try|for|in|this|global|self|owner|var|def|and|not|or|break|continue|import|with|ctor|eval|type|assert|assert2|assertf|error|rget|callex|errput|loadcode|dumpcode|collectgarbage|call|invoke|tostring|topointer|tonumber|sleep|execute|setlocale|setprivilege|loadcodex|reduce|switch)\\b",
+    },
+    literals: {
+      name: "constant.language.aardio",
+      match: "\\b(?:true|false|null)\\b",
+    },
+    "function-call": {
+      // 排除关键字，避免 if( 被当成函数
+      name: "entity.name.function.aardio",
+      match:
+        "\\b(?!(?:begin|end|if|lambda|λ|else|elseif|class|function|return|while|do|namespace|select|case|catch|try|for|in|this|global|self|owner|var|def|null|and|not|or|break|continue|import|with|ctor|eval|type|assert|assert2|assertf|error|rget|callex|errput|loadcode|dumpcode|collectgarbage|call|invoke|tostring|topointer|tonumber|sleep|execute|setlocale|setprivilege|loadcodex|reduce|switch|true|false)\\b)[_$[:alpha:]][_$[:alnum:]]*(?=\\s*\\()",
+    },
+    numbers: {
+      patterns: [
+        {
+          name: "constant.numeric.aardio",
+          match: "\\b0x[a-fA-F_\\d]+(?:\\.[a-fA-F_\\d]*)?(?:p[+-]?\\d[_\\d]*)?\\b",
+        },
+        {
+          name: "constant.numeric.aardio",
+          match: "\\b\\d+#[\\d_]+\\b",
+        },
+        {
+          name: "constant.numeric.aardio",
+          match: "\\b\\d[_\\d]*(?:\\.(?![\\w.])|\\.[_\\d]*)?(?:e[+-]?\\d[_\\d]*)?\\b",
+        },
+        {
+          name: "constant.numeric.aardio",
+          match: "\\.\\d[_\\d]*(?:e[+-]?\\d[_\\d]*)?\\b",
+        },
+      ],
+    },
+    operators: {
+      name: "keyword.operator.aardio",
+      match:
+        "\\.\\.|--|\\+\\+|\\*\\*=?|&&=?|\\|\\|=?|[!=]==|<<=?|>>>?=?|[-+*/%&|^!=<>]=?|[~:?]",
+    },
+  },
+};