Upgrade VitePress to 2.0.0-alpha.15

- Update vitepress from 1.3.4 to 2.0.0-alpha.15
- Update @shikijs/vitepress-twoslash from 1.17.6 to 3.20.0
- Add explicit language preloading for Shiki v3's lazy loading
  (required for twoslash transformer compatibility)

Co-Authored-By: Claude <[email protected]>

Author: dahlia

docs/.vitepress/config.mts

@@ -251,6 +251,21 @@ export default defineConfig({
   },
   head: head,
   markdown: {
+    // Explicitly load these languages for twoslash types highlighting
+    languages: [
+      "js",
+      "jsx",
+      "ts",
+      "tsx",
+      "typescript",
+      "bash",
+      "sh",
+      "shell",
+      "json",
+      "ansi",
+      "text",
+      "txt",
+    ],
     codeTransformers: [
       transformerTwoslash({
         twoslashOptions: {

docs/package.json

@@ -24,7 +24,7 @@
     "@opentelemetry/sdk-logs": "catalog:",
     "@opentelemetry/semantic-conventions": "catalog:",
     "@sentry/node": "^9.28.1",
-    "@shikijs/vitepress-twoslash": "^1.17.6",
+    "@shikijs/vitepress-twoslash": "^3.20.0",
     "@sveltejs/kit": "^2.22.0",
     "@types/bun": "^1.2.15",
     "@types/deno": "^2.3.0",
@@ -41,7 +41,7 @@
     "markdown-it-jsr-ref": "^0.4.4",
     "pino": "^9.7.0",
     "postgres": "^3.4.7",
-    "vitepress": "^1.3.4",
+    "vitepress": "^2.0.0-alpha.15",
     "vitepress-plugin-group-icons": "^1.6.0",
     "vitepress-plugin-llms": "^1.1.0",
     "winston": "^3.17.0"