feat: validate and update README with devops agent and pipeline check…

[beatrizrosaa]

…er skills

Pull Request Checklist

• [ X] I have read and followed the CONTRIBUTING.md guidelines.
• [ X] I have read and followed the Guidance for submissions involving paid services.
• [ X] My contribution adds a new instruction, prompt, agent, skill, workflow, or canvas extension file in the correct directory.
• [ X] The file follows the required naming convention.
• [ X] The content is clearly structured and follows the example format.
• [ X] I have tested my instructions, prompt, agent, skill, workflow, or canvas extension with GitHub Copilot.
• [ X] I have run npm start and verified that README.md is up to date.
• [ X] I am targeting the staged branch for this pull request.

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Description

This PR introduces a new agent and an automated validation skill focused on DevOps pipeline health:

• DevOps Infinity Loop Specialist (Agent): Detects and resolves endless cycles across the Plan-to-Monitor pipeline stages.
• CI Pipeline Health Checker (Skill): Performs static analysis on GitHub Actions and GitLab CI files to flag missing timeouts, caching anti-patterns, and excessive permissions.

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Type of Contribution

• New instruction file.
• New prompt file.
• New agent file.
• New plugin.
• New skill file.
• New agentic workflow.
• New canvas extension.
• Update to existing instruction, prompt, agent, plugin, skill, workflow, or canvas extension.
• Other (please specify):

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Additional Notes

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

[github-actions]

🔒 PR Risk Scan Results

Scanned 6 changed file(s).

Severity	Count
🔴 High	0
🟠 Medium	1
ℹ️ Info	0

Severity	Rule	File	Line	Match
🟠	package-exec-command	docs/README.skills.md	31	| [acreadiness-assess](../skills/acreadiness-assess/SKILL.md)<br />`gh skills install github/awesome-copilot acreadiness-assess` | Run the AgentRC readiness assessment on the curre

This is an automated soft-gate report. Findings indicate review targets and do not block merge by themselves.

[github-actions]

🔍 Skill Validator Results

⛔ Findings need attention

Scope	Checked
Skills	1
Agents	1
Total	2

Severity	Count
❌ Errors	1
⚠️ Warnings	0
ℹ️ Advisories	0

Summary

Level	Finding
❌	[agent:devops-infinity-loop-specialist.agent.md] Agent file has no YAML frontmatter — agents require frontmatter for IDE discovery.

Full validator output

Found 1 skill(s)
[ci-pipeline-health-checker] 📊 ci-pipeline-health-checker: 829 BPE tokens [chars/4: 913] (detailed ✓), 21 sections, 4 code blocks
Found 1 agent(s)
❌ [agent:devops-infinity-loop-specialist.agent.md] Agent file has no YAML frontmatter — agents require frontmatter for IDE discovery.
Validated 1 agent(s)
Agent spec conformance failures — fix the errors above.

Note: The validator returned a non-zero exit code. Please review the findings above before merge.

[aaronpowell]

We have multiple agents, skills and instructions already that cover GitHub Actions. If there are gaps in those, it would be better to iterate on them rather than add a new one.