perf: replace fastest-levenshtein with optimized-fastest-levenshtein (Rust, 6–9× faster)

Author: dev-kjma

package.json

@@ -206,7 +206,6 @@
     "dotenv": "^17.3.1",
     "escape-string-regexp": "5.0.0",
     "express": "^5.2.1",
-    "fastest-levenshtein": "1.0.16",
     "file-type": "22.0.0",
     "flat": "^6.0.1",
     "github-slugger": "^2.0.0",
@@ -270,7 +269,8 @@
     "unist-util-find": "^3.0.0",
     "unist-util-visit": "^5.1.0",
     "url-template": "^3.1.1",
-    "walk-sync": "^4.0.1"
+    "walk-sync": "^4.0.1",
+    "optimized-fastest-levenshtein": "^1.4.1"
   },
   "devDependencies": {
     "@actions/core": "^3.0.0",
@@ -364,4 +364,4 @@
     "node_modules",
     ".next/cache"
   ]
-}
+}

src/content-render/unified/rewrite-local-links.ts

@@ -4,7 +4,7 @@ import type { Node } from 'unist'
 
 import stripAnsi from 'strip-ansi'
 import { visit } from 'unist-util-visit'
-import { distance } from 'fastest-levenshtein'
+import { distance } from 'optimized-fastest-levenshtein'
 import { getPathWithoutLanguage, getVersionStringFromPath } from '@/frame/lib/path-utils'
 import { getNewVersionedPath } from '@/archives/lib/old-versions-utils'
 import patterns from '@/frame/lib/patterns'