feat(skills): add update command to check and refresh skills

[BlackHole1]

Introduce oo skills update [skills...] that checks installed oo-managed published skills against the registry and updates them when a newer version is available.

Key changes:

• Extract registry skill publication logic into a shared module so both install and update can reuse it
• Add variadic argument support to the CLI adapter
• Include interactive progress reporter with spinner animation
• Add comprehensive tests for the update workflow

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

Summary by CodeRabbit

• New Features
  • Added oo skills update [skills...] command to update installed managed skills
  • Run without arguments to update all skills, or specify particular skills to update
  • Includes real-time progress reporting in interactive terminals
  • Bundled skill automatically excluded from updates

Walkthrough

This PR implements a new skills update CLI command for managing published Codex skills. It adds documentation describing the command behavior (when no skills are specified, all installed oo-managed published skills are updated; when specific skills are named, only those are updated), excludes the bundled oo skill from updates, and explains the update workflow for registry skills. The implementation includes a new SkillsUpdateProgressReporter class for rendering terminal progress display, refactors the registry skill installation flow to use new reusable prepareRegistrySkillPublication and publishPreparedRegistrySkillPublication helpers, introduces support for variadic CLI arguments, and adds comprehensive test coverage validating end-to-end behavior including concurrent multi-skill updates and error handling.

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~60 minutes

Possibly related PRs

• feat(skills): add published skill installation from registry #41 — Adds registry install, archive, metadata, and markdown helpers that this PR's new registry publication flow builds upon and reuses.
• feat(skills): add search command for published skills #33 — Modifies src/application/commands/skills/index.ts to add new subcommands to the exported skillsCommand.children array, following the same pattern as this PR.
• feat(skills): publish bundled skill installation via symlink #35 — Refactors bundled-skill publication and canonical-directory logic in src/application/commands/skills/shared.ts, which this PR extends and integrates with.

Suggested labels

codex

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title follows the required format (): , uses English, and directly describes the main change—adding an update command to check and refresh skills.
Description check	✅ Passed	The description is clearly related to the changeset, outlining the introduction of the skills update command and key refactoring/enhancement changes that align with the file modifications.

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