validate.yml

name: Validate Skill

on:
  pull_request:
    paths:
      - 'skills/**'
      - '.claude-plugin/**'
      - '.codex-plugin/**'
      - '.github/workflows/**'
      - '.github/release/**'
  push:
    branches: [master, main]
    paths:
      - 'skills/**'
      - '.claude-plugin/**'
      - '.codex-plugin/**'
      - '.github/workflows/**'
      - '.github/release/**'
  workflow_dispatch:

jobs:
  validate:
    name: Validate Skill Files
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Install Dependencies
        run: pip install pyyaml

      - name: Check SKILL.md Frontmatter
        run: |
          python3 << 'EOF'
          import yaml
          import sys
          import re

          print("🔍 Validating SKILL.md frontmatter...")

          with open('skills/terraform-skill/SKILL.md', 'r') as f:
              content = f.read()

          if not content.startswith('---'):
              print("❌ ERROR: No frontmatter found")
              sys.exit(1)

          parts = content.split('---', 2)
          if len(parts) < 3:
              print("❌ ERROR: Invalid frontmatter format")
              sys.exit(1)

          frontmatter = yaml.safe_load(parts[1])

          # Check required fields (but allow additional optional fields)
          required = {'name', 'description'}
          missing = required - set(frontmatter.keys())

          if missing:
              print(f"❌ ERROR: Missing required fields: {missing}")
              sys.exit(1)

          # Log optional fields if present (informational only)
          optional_fields = set(frontmatter.keys()) - required
          if optional_fields:
              print(f"📋 Optional fields present: {optional_fields}")

              if 'license' in frontmatter:
                  print(f"   - license: {frontmatter['license']}")

              if 'metadata' in frontmatter:
                  metadata = frontmatter['metadata']
                  if isinstance(metadata, dict):
                      if 'version' in metadata:
                          print(f"   - metadata.version: {metadata['version']}")
                      if 'author' in metadata:
                          print(f"   - metadata.author: {metadata['author']}")

          name = frontmatter['name']
          if not re.match(r'^[a-zA-Z0-9-]+$', name):
              print(f"❌ ERROR: Invalid name: {name}")
              sys.exit(1)

          desc_len = len(frontmatter['description'])
          if desc_len > 1024:
              print(f"❌ ERROR: Description too long: {desc_len} chars")
              sys.exit(1)

          print(f"✅ Frontmatter valid ({desc_len} chars)")
          EOF

      - name: Check Codex Manifest Version Sync
        run: |
          python3 << 'EOF'
          import json
          import os
          import re
          import sys
          import yaml

          SEMVER = re.compile(r'^\d+\.\d+\.\d+$')

          manifest_path = '.codex-plugin/plugin.json'
          if not os.path.exists(manifest_path):
              print("ℹ️  No .codex-plugin/plugin.json; skipping sync check")
              sys.exit(0)

          with open('skills/terraform-skill/SKILL.md') as f:
              fm = yaml.safe_load(f.read().split('---', 2)[1])
          skill_version = (fm.get('metadata') or {}).get('version')

          with open(manifest_path) as f:
              manifest_version = json.load(f).get('version')

          # Both must exist and be real semver, not merely equal: equality
          # alone passes when both are missing/empty.
          for label, value in (
              ('SKILL.md metadata.version', skill_version),
              (f'{manifest_path} version', manifest_version),
          ):
              if not (isinstance(value, str) and SEMVER.match(value)):
                  print(
                      f"❌ ERROR: {label} is not a valid semver: {value!r}. "
                      f"CI owns these; do not hand-edit (see CLAUDE.md).")
                  sys.exit(1)

          if skill_version != manifest_version:
              print(
                  f"❌ ERROR: version mismatch - SKILL.md metadata.version="
                  f"{skill_version!r} vs {manifest_path}={manifest_version!r}. "
                  f"CI owns these; do not hand-edit (see CLAUDE.md).")
              sys.exit(1)

          print(f"✅ Codex manifest version in sync ({manifest_version})")
          EOF

      - name: Check File Size
        run: |
          LINES=$(wc -l < skills/terraform-skill/SKILL.md)
          WORDS=$(wc -w < skills/terraform-skill/SKILL.md)
          echo "📊 SKILL.md: $LINES lines, $WORDS words"
          if [ $LINES -gt 500 ]; then
            echo "⚠️  WARNING: $LINES lines (guideline: <500)"
          else
            echo "✅ Size OK"
          fi

      - name: Check for Broken Links
        run: |
          echo "🔍 Checking internal links..."
          cd skills/terraform-skill
          broken=0
          while read -r link; do
            if [ ! -f "$link" ]; then
              echo "❌ ERROR: Broken link: $link"
              broken=1
            fi
          done < <(grep -oP '\[.*?\]\(references/.*?\.md.*?\)' SKILL.md references/*.md 2>/dev/null | \
                   sed 's/.*(//' | sed 's/).*//' | sed 's/#.*//')
          if [ "$broken" -ne 0 ]; then
            exit 1
          fi
          echo "✅ No broken links"

      - name: Lint Markdown
        uses: DavidAnson/markdownlint-cli2-action@v16
        with:
          globs: |
            skills/**/*.md
            README.md
            CONTRIBUTING.md
        continue-on-error: true

      - name: Summary
        if: success()
        run: |
          echo "## ✅ Validation Passed" >> $GITHUB_STEP_SUMMARY
          echo "All skill validation checks passed." >> $GITHUB_STEP_SUMMARY