`staticServerFnCache` files are not copied into nitro's build output

[Ugzuzg]

Which project does this relate to?

Start

Describe the bug

Feeding the build to nitro, the files generated by static middleware are not copied/moved into nitro's output directory, which results in missing assets.

Your Example Website or App

Ugzuzg/personal-space#21

Steps to Reproduce the Bug or Issue

1. pnpm i

2. cd website

3. pnpm build

4. See the static cache remain in dist, while the rest of the files are moved to .vercel output directory

   Directory structure

   .vercel
   └── output
       ├── config.json
       ├── functions
       │   └── __fallback.func
       │       ├── chunks
       │       │   └── build
       │       │       ├── _lang-DX_L9eJ9.mjs
       │       │       ├── _tanstack-start-injected-head-scripts_v-cda0Ky0D.mjs
       │       │       ├── _tanstack-start-manifest_v-CNom_Ozw.mjs
       │       │       ├── _tanstack-start-server-fn-manifest_v-BrhI4g-H.mjs
       │       │       ├── _userId-Dj_Tj9Fe.mjs
       │       │       ├── _userId-kd0zrFRz.mjs
       │       │       ├── be-MvRVzafA.mjs
       │       │       ├── en-C-d1pEbH.mjs
       │       │       ├── index-BBXWluvB.mjs
       │       │       ├── index-BId5N5dN.mjs
       │       │       ├── index-Bke3d4hG.mjs
       │       │       ├── index-BKOnOhxk.mjs
       │       │       ├── index-BZ5inV0x.mjs
       │       │       ├── index-DS2MZ0Bj.mjs
       │       │       ├── index-FRuXxEDb.mjs
       │       │       ├── node-fetch-BxoFFTNH.mjs
       │       │       ├── resoling-5HzRyWK_.mjs
       │       │       ├── resoling-D03YL1x9.mjs
       │       │       ├── router-DI3DXcLo.mjs
       │       │       ├── server.mjs
       │       │       ├── start-HYkvq4Ni.mjs
       │       │       ├── sv-BPDx4UA1.mjs
       │       │       └── Timeline-_493Qx2R.mjs
       │       ├── index.mjs
       │       └── site.webmanifest
       └── static
           ├── assets
           │   ├── _lang-Dm1RHZLI.js
           │   ├── _userId-PHk5CQL0.js
           │   ├── app-CyaCLMhk.css
           │   ├── be-DlU38kj2.js
           │   ├── be-gpt-GDw_wMCQ.png
           │   ├── en-D9OWq22V.js
           │   ├── en-gpt-rjd22bTK.png
           │   ├── index-Cazi3-Z7.js
           │   ├── index-ez0J8aTt.js
           │   ├── index-zz-yTDf-.js
           │   ├── main-jBb1es-6.js
           │   ├── resoling-By5dIrLM.js
           │   ├── scheme-ikcQt6G9.css
           │   ├── sv-DJE6P97R.js
           │   └── sv-gpt-CFVxReZj.png
           ├── be
           │   ├── climbing
           │   │   └── 56689.html
           │   ├── climbing.html
           │   └── resoling.html
           ├── be.html
           ├── en
           │   ├── climbing
           │   │   └── 56689.html
           │   ├── climbing.html
           │   └── resoling.html
           ├── en.html
           ├── pages.json
           ├── site.webmanifest
           ├── sitemap.xml
           ├── sv
           │   ├── climbing
           │   │   └── 56689.html
           │   ├── climbing.html
           │   └── resoling.html
           └── sv.html
   dist
   └── client
       └── __tsr
           └── staticServerFnCache
               ├── 6a55025c65a277d8e016dfd30acf1de9d8c80727.json
               └── 35c7a19a2fd3e1282b0b45fc683949ede6d30c48.json

Expected behavior

Static middleware works with nitro.

Screenshots or Videos

No response

Platform

• Router / Start Version: 1.132.36
• OS: Linux
• Bundler: vite
• Bundler Version: 7.1.7

Additional context

No response