fix: make tsc pass and run dev with webpack on Next.js 16

Agent-Logs-Url: https://github.com/ut-code/my-code/sessions/c2cdd556-55b9-4bdf-8a72-da4b7ab2f090

Co-authored-by: na-trium-144 <100704180+na-trium-144@users.noreply.github.com>

Author: Copilot

app/lib/chatHistory.ts

@@ -282,7 +282,7 @@ export async function migrateChatUser(oldUserId: string, newUserId: string) {
   const pagesList = await getPagesList();
   for (const lang of pagesList) {
     for (const page of lang.pages) {
-      revalidateTag(
+      updateTag(
         cacheKeyForPage({ lang: lang.id, page: page.slug }, newUserId)
       );
     }

package.json

@@ -8,7 +8,7 @@
   ],
   "scripts": {
     "prebuild": "npm run cf-typegen && tsx ./scripts/checkDocs.ts && tsx ./scripts/generateDocsMeta.ts && tsx ./scripts/copyAllDTSFiles.ts && tsx ./scripts/removeHinting.ts",
-    "dev": "npm run prebuild && next dev",
+    "dev": "npm run prebuild && next dev --webpack",
     "build": "next build --webpack",
     "start": "next start",
     "lint": "npm run cf-typegen && eslint .",