docs(changelog): 2.2.0

[vstack-release-bot]

🤖 I have created a release beep boop

2.2.0 (2026-05-02)

Features

• instructions: add markdown authoring conventions instruction (b4cf606)
• instructions: add security policy instruction (612d37f)
• instructions: add terraform and terragrunt coding conventions (6b82d4b)
• instructions: add typescript and java coding conventions (62f99b3)
• instructions: add universal testing conventions instruction (ec12899)
• prompts: add api-design-review, dependency-audit; improve existing prompts (e4630b7)
• prompts: add architecture-risk, incident-timeline, migration-safety, release-readiness prompts (7823539)
• skills: add conventional-commit skill (cba3f84)
• skills: add gdpr, terraform, terragrunt, cloudformation, and aws-cli skills (8b9e0eb)
• skills: add gh-issues, codeql, dependabot, and secret-scan skills (1909578)
• skills: add gh-release skill with hardened gh release workflow (bcac399)
• skills: add k8s, helm, and rancher skills and instructions (169005a)
• skills: add threat-model skill and optimize template token usage (057168c)
• skills: audit and harden all skill templates (ff968ff)

Refactoring

• agents: enforce canonical template structure (8c54d8a)
• skills: make pr and release-notes skills generic; add ADR-018 skill-agent boundary (b0b8956)
• skills: optimise 7 new skills for token efficiency (6fe6ed2)
• templates: migrate template versions to YYYYMMDDNNN (5cd239f)

Documentation

• design: update skills and instructions tables; add new skills to agent mappings (0947bc7)
• instructions: add instruction catalog to design doc and README (f9889ff)
• product: expand copilot roadmap and customization strategy (de2a364)
• skills: add official documentation references to all tool-specific skills and instructions (7fb7b3e)

Maintenance

• review: quote applyTo glob in generated frontmatter; add test/tests commit types (aa579ba)
• templates: bump code-review, architecture-risk, release-readiness prompt versions to 0.1.1 (0d1da60)
• templates: bump pr and release-notes skill versions to 1.1.0 (e4f0923)

Tests

• agents: fold artifacts-section order into canonical lint rule (a435bc5)
• frontmatter: add regression tests for applyTo quoting and version comparison (20943e9)

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[vstack-release-bot]

🤖 Created releases:

• 2.2.0

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