[Bug]: Nightly won't launch: Cannot find package 'fast-check' (app.asar missing ~40 transitive deps)

[avocardow]

Before submitting

• I searched existing issues and did not find a duplicate.
• I included enough detail to reproduce or investigate the problem.

Area

Build, CI, or release tooling

Steps to reproduce

1. Install T3 Code (Nightly) 0.0.29-nightly.20260708.754 on macOS arm64 (reinstall doesn't help)
2. Launch it

Or from a clean checkout of master (03ac1f0):

1. pnpm install
2. node scripts/build-desktop-artifact.ts --platform mac --target dir --arch arm64
3. npx @electron/asar list "<built .app>/Contents/Resources/app.asar" | grep fast-check -> nothing

Expected behavior

App launches. Built asar contains every transitive prod dep.

Actual behavior

Uncaught exception dialog on launch, window never opens. Opened the asar - 44 declared prod deps are missing from node_modules (ms, ws, which, scheduler, msgpackr, conf, uuid, ini, find-my-way-ts, the hast-util/shiki tree, etc).

Impact

Blocks work completely

Version or commit

0.0.29-nightly.20260708.754 (master @ 03ac1f0)

Environment

macOS 26.5 arm64, Node 24.18.0, pnpm 11.10.0

Logs or stack traces

Uncaught Exception:
Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'fast-check' imported from /Applications/T3 Code (Nightly).app/Contents/Resources/app.asar/node_modules/effect/dist/testing/FastCheck.js
    at Object.getPackageJSONURL (node:internal/modules/package_json_reader:301:9)
    at packageResolve (node:internal/modules/esm/resolve:776:81)
    at moduleResolve (node:internal/modules/esm/resolve:867:18)
    at defaultResolve (node:internal/modules/esm/resolve:1000:11)

Screenshots, recordings, or supporting files

No response

Workaround

Roll back to a nightly built before #3772.

[wiput1999]

Facing same issue

[basnijholt]

For anyone hitting this on macOS arm64: the last good nightly is v0.0.29-nightly.20260707.751, published ~40 min before #3772 merged.

Direct download: T3-Code-0.0.29-nightly.20260707.751-arm64.zip

Verified its app.asar contains fast-check (and launches fine), unlike the 754 build.

[uzuki-P]

Also happen on Fedora 44. Downgrade to 751 for now

[JeroenBolhuis]

exact same issue on ubuntu 26.04

[avocardow]

Curious if others can confirm the fix in this PR

[Rowan-Paul]

Updated, it now doesn't show the error but still fails to open just without the error message

[xharauenea]

Updated, it now doesn't show the error but still fails to open just without the error message

@avocardow @juliusmarminge Same thing for me. It doesn't open, but now with no error message.

[Rowan-Paul]

I can force a white window to appear if i press "check to update"