agent-skill-creator/scenarios/SC-001-valid-frontmatter-happy.scenario.md
francylisboacharuto bac2b27bb8 feat: v4.0 Cross-Platform Modernization — Agent Skills Open Standard compliance
BREAKING CHANGES:
- Remove -cskill suffix from all skill names (use standard kebab-case)
- Simplify marketplace.json to only official fields (fixes Issue #5)
- SKILL.md body must be <500 lines (progressive disclosure via references/)

New features:
- Cross-platform support for 8+ platforms (Claude Code, Copilot, Cursor, Windsurf, Cline, Codex CLI, Gemini CLI)
- scripts/install-template.sh: Auto-detect platform installer with --dry-run
- scripts/validate.py: Spec compliance checker for generated skills
- scripts/security_scan.py: Security scanner for hardcoded keys and dangerous patterns
- MIGRATION.md: v3.x to v4.0 migration guide
- 6 new reference files for progressive disclosure from lean SKILL.md

Key changes:
- SKILL.md: 4,116 → 272 lines with spec-compliant YAML frontmatter
- marketplace.json: Stripped to {name, plugins} only
- article-to-prototype-cskill/ → article-to-prototype/
- stock-analyzer-cskill/ → stock-analyzer/
- Export system integrates validation + security scanning
- README.md rewritten for all supported platforms
- Phase 5 pipeline outputs SKILL.md-first, spec-compliant skills

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-26 14:52:09 -03:00

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# SC-001: Valid SKILL.md Frontmatter Generation
> Covers: FR-001 — Generated SKILL.md files MUST have valid frontmatter per the Agent Skills spec (name <=64 chars lowercase+hyphens, description <=1024 chars, both required)
> Type: Happy Path
## Given
- The meta-skill is invoked with a workflow description: "Create a skill for processing daily CSV files"
- The pipeline completes all 5 phases successfully
## When
- Phase 5 (Implementation) generates the SKILL.md file
## Then
- The generated SKILL.md begins with a YAML frontmatter block delimited by `---`
- The `name` field is present, lowercase, uses only hyphens as separators, and is <=64 characters (e.g., `csv-daily-processor`)
- The `description` field is present and is between 1 and 1024 characters
- The frontmatter block is valid YAML that can be parsed without errors
## Verification Method
**Method**: Automated test
**Steps**:
1. Run the meta-skill with input: "Create a skill for processing daily CSV files"
2. Read the generated `SKILL.md` file
3. Parse the YAML frontmatter between the `---` delimiters using Python `yaml.safe_load()`
4. Assert `name` is present, matches regex `^[a-z][a-z0-9-]*[a-z0-9]$`, and `len(name) <= 64`
5. Assert `description` is present and `1 <= len(description) <= 1024`
**Expected evidence**: YAML frontmatter parses successfully. `name` is a valid lowercase-kebab string <=64 chars. `description` is a non-empty string <=1024 chars. No YAML parsing errors.