Fix Linux Codex PATH resolution and tagged desktop artifact version

[bczaplicki-gd]

What this PR changes

This PR fixes two practical issues discovered while testing the Linux AppImage build:

1. The desktop app could fail to find codex on Linux even when codex works in terminal.
2. Local desktop artifact builds from a tagged commit could still resolve to an older version number.

Implementation notes

• Extended PATH bootstrap logic for desktop/server startup on Linux (while keeping Windows behavior unchanged).
• PATH is now resolved from shell startup context with safe fallback behavior.
• Updated desktop artifact version resolution order to prefer:
  1. explicit --build-version
  2. exact semver git tag on HEAD (vX.Y.Z)
  3. package fallback version

How this was done

• Implemented with GPT-5.3 + Codex CLI.
• Vibecoded, codex cli run some tests and said it was correct.

Validation performed

• Linux AppImage builds were tested and are working on Ubuntu 24.04.
• Type checks run for touched areas (apps/desktop, apps/server, scripts).
• Built AppImage after fixes and confirmed expected behavior.

Context

This is focused on improving real-world release usability for Linux users launching AppImage from GUI environments.

Note

Update non-Windows PATH resolution in apps/desktop/src/fixPath.ts and apps/server/src/os-jank.ts, and set desktop artifact appVersion from a Git tag in scripts/build-desktop-artifact.ts

Extend fixPath to run on all non-Windows platforms, try ['-ilc', 'echo -n $PATH'] then ['-lc', 'echo -n $PATH'] using $SHELL or platform defaults, and set process.env.PATH on first success; prefer a HEAD-pointing semver Git tag (without v) for desktop build appVersion.

📍Where to Start

Start with fixPath in fixPath.ts, then review the mirrored changes in os-jank.ts; finally check resolveGitTaggedVersion and its use in scripts/build-desktop-artifact.ts.

^{Macroscope summarized 1bd0817.}

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[torturado]

ClawSweeper status: review started.

I am starting a fresh review of this pull request: Fix Linux Codex PATH resolution and tagged desktop artifact version This is item 2/2 in the current shard. Shard 0/1.

This placeholder means the worker is alive and reading the current context. I will edit this same comment with the actual review when the claws are done clicking.

Crustacean status: shell secured, claws on keyboard, evidence pebbles being sorted.

[juliusmarminge]

Closing because current shared shell hydration and tagged artifact/version machinery have superseded this conflicted implementation.

This was closed as part of a large repo-wide maintenance sweep. If you think it's still relevant, please reopen.