fix: Linux icon now shows up

[alexsch01]

What Changed

In production, add prod-resources as a path that is a copy of stageResourcesDir
Fixes Linux icon not showing up

Why

electron-builder is filtering out STAGE_APP_DIR/apps/desktop/resources directory in the AppImage
(this may happen on the other platforms as well)

Checklist

• This PR is small and focused
• I explained what changed and why

Other

I manually tested that the Dev icon shows the correct icon and the Prod icon shows the correct but different icon

Summary by CodeRabbit

• Chores
  • Enhanced desktop application build and resource resolution processes to improve asset discovery and reliability during application startup.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: b44d9ac1-bb52-4c06-a5f3-eabbd35b4411

📥 Commits

Reviewing files that changed from the base of the PR and between 223c3dc and c3fc8a4.

📒 Files selected for processing (2)

• apps/desktop/src/main.ts
• scripts/build-desktop-artifact.ts

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📝 Walkthrough

Walkthrough

The PR introduces resource resolution from a new prod-resources directory. The build script now copies resources to apps/desktop/prod-resources during artifact staging, and the main process checks this path as a fallback when resolving resource locations.

Changes

Cohort / File(s)	Summary
Resource Path Resolution apps/desktop/src/main.ts	Adds prod-resources as an additional candidate path in resource resolution logic, checked after the existing resources folder.
Build Staging Process scripts/build-desktop-artifact.ts	Adds a file copy operation to stage the resources directory into apps/desktop/prod-resources during artifact build preparation.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A little prod-resources seed we plant,
Where icons and assets nest and grant,
The build script copies with care so fine,
And main.ts finds them—oh, how they shine!
Resources doubled, fallback so neat,
This rabbit's work is quite complete! 🌟

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely identifies the main fix: resolving the Linux icon display issue in production builds.
Description check	✅ Passed	The description includes filled sections for 'What Changed' and 'Why', explaining the problem and solution; checklist items are marked; however, 'UI Changes' section was not addressed despite being template guidance.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[alexsch01]

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