refactor(*): migrate to yaml

packages/python/package.json

@@ -44,8 +44,8 @@
     "@base-ui/react": "^1.6.0",
     "class-variance-authority": "^0.7.1",
     "cnfast": "^0.0.8",
-    "js-yaml": "^5.2.1",
-    "lucide-react": "^1.23.0"
+    "lucide-react": "^1.24.0",
+    "yaml": "^2.9.0"
   },
   "devDependencies": {
     "@types/node": "^26.1.1",
@@ -53,7 +53,7 @@
     "fumadocs-core": "workspace:*",
     "fumadocs-ui": "workspace:@fumadocs/base-ui@*",
     "tsconfig": "workspace:*",
-    "tsdown": "0.22.4"
+    "tsdown": "0.22.5"
   },
   "peerDependencies": {
     "@types/react": "*",

packages/python/src/write.ts

@@ -1,6 +1,6 @@
 import type { OutputFile } from './convert';
 import * as fs from 'node:fs/promises';
-import { dump } from 'js-yaml';
+import { stringify } from 'yaml';
 import * as path from 'node:path';
 
 interface WriteOptions {
@@ -28,5 +28,5 @@ export async function write(output: OutputFile[], options: WriteOptions = {}) {
 }
 
 export function frontmatter(obj: unknown) {
-  return `---\n${dump(obj).trim()}\n---`;
+  return `---\n${stringify(obj, { compat: 'yaml-1.1', singleQuote: true }).trim()}\n---`;
 }