refactor(skills): check bundled hosts concurrently

[BlackHole1]

Bundled skill installation now probes host home directories in parallel.

This keeps host order stable while matching the existing list command

pattern and avoiding unnecessary sequential filesystem checks.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 3722f776-955b-46f1-ace8-c14792f59506

📥 Commits

Reviewing files that changed from the base of the PR and between 4dd94b1 and d9a131a.

📒 Files selected for processing (1)

• src/application/commands/skills/shared.ts

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Summary by CodeRabbit

• Refactor
  • Improved performance of bundled skill installation resolution through concurrent processing.

Walkthrough

The resolveAvailableBundledSkillHostInstallations function in src/application/commands/skills/shared.ts has been refactored to use concurrent processing instead of sequential iteration. The function now maps available bundled skill agent names to async computations and awaits them collectively using Promise.all, rather than iterating through them in a for loop. For agent home directories that do not exist, the updated logic returns undefined and filters those entries out at the end, while successfully resolved cases construct the same installation object with agent name, canonical directory path, and installed directory path fields. The final result remains an array containing only existing agent homes.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title follows the required format '(): ' with 'refactor' as type and 'skills' as scope, clearly describing the main change of concurrent host checking.
Description check	✅ Passed	The description is directly related to the changeset, explaining that bundled skill installation now probes host directories in parallel while maintaining order and avoiding sequential checks.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch improve-skills-check

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