{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://claude-flow-novice/schemas/skill-file-v1.schema.json",
  "title": "CFN Skill File Schema",
  "description": "JSON Schema for validating SKILL.md frontmatter and structure",
  "version": "1.0.0",
  "type": "object",
  "required": ["frontmatter", "content"],
  "properties": {
    "frontmatter": {
      "type": "object",
      "description": "YAML frontmatter metadata",
      "required": [
        "name",
        "version",
        "tags",
        "status",
        "author",
        "description"
      ],
      "properties": {
        "name": {
          "type": "string",
          "description": "Skill name (should match directory name)",
          "pattern": "^[a-z0-9-]+$",
          "minLength": 3,
          "maxLength": 64,
          "examples": ["cfn-coordination", "skill-template"]
        },
        "version": {
          "type": "string",
          "description": "Semantic version",
          "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$",
          "examples": ["1.0.0", "2.1.3", "1.0.0-beta.1"]
        },
        "tags": {
          "type": "array",
          "description": "Categorization tags",
          "minItems": 1,
          "maxItems": 10,
          "items": {
            "type": "string",
            "minLength": 2,
            "maxLength": 32
          },
          "examples": [["coordination", "redis"], ["testing", "validation"]]
        },
        "status": {
          "type": "string",
          "description": "Lifecycle status",
          "enum": ["draft", "approved", "staging", "deployed", "deprecated"],
          "examples": ["draft", "deployed"]
        },
        "author": {
          "type": "string",
          "description": "Author or team name",
          "minLength": 2,
          "maxLength": 64,
          "examples": ["CFN Team", "John Doe"]
        },
        "description": {
          "type": "string",
          "description": "Brief skill description",
          "minLength": 10,
          "maxLength": 256,
          "examples": ["Handles agent coordination via Redis pub/sub"]
        },
        "dependencies": {
          "type": "array",
          "description": "External dependencies",
          "items": {
            "type": "string"
          },
          "examples": [["redis", "postgres"], ["jq", "curl"]]
        },
        "created": {
          "type": "string",
          "description": "Creation date (ISO 8601)",
          "format": "date",
          "examples": ["2025-11-16"]
        },
        "updated": {
          "type": "string",
          "description": "Last update date (ISO 8601)",
          "format": "date",
          "examples": ["2025-11-16"]
        },
        "complexity": {
          "type": "string",
          "description": "Skill complexity level",
          "enum": ["Low", "Medium", "High"],
          "examples": ["Low", "High"]
        },
        "keywords": {
          "type": "array",
          "description": "Search keywords",
          "items": {
            "type": "string"
          },
          "examples": [["agent", "coordination", "redis"]]
        },
        "triggers": {
          "type": "array",
          "description": "Conditions that trigger skill usage",
          "items": {
            "type": "string"
          },
          "examples": [["multi-agent-workflow", "consensus-required"]]
        },
        "performance_targets": {
          "type": "object",
          "description": "Performance benchmarks",
          "additionalProperties": {
            "oneOf": [
              { "type": "number" },
              { "type": "string" }
            ]
          },
          "examples": [
            { "execution_time_ms": 1000, "success_rate": 99.5 }
          ]
        }
      },
      "additionalProperties": false
    },
    "content": {
      "type": "object",
      "description": "Markdown content structure",
      "required": [
        "sections",
        "requiredSections",
        "codeBlocks"
      ],
      "properties": {
        "sections": {
          "type": "object",
          "description": "Section presence flags",
          "required": [
            "Overview",
            "Usage",
            "Examples",
            "Implementation",
            "Tests"
          ],
          "properties": {
            "Overview": {
              "type": "boolean",
              "const": true
            },
            "Usage": {
              "type": "boolean",
              "const": true
            },
            "Examples": {
              "type": "boolean",
              "const": true
            },
            "Implementation": {
              "type": "boolean",
              "const": true
            },
            "Tests": {
              "type": "boolean",
              "const": true
            }
          },
          "additionalProperties": {
            "type": "boolean"
          }
        },
        "requiredSections": {
          "type": "array",
          "description": "List of required section names",
          "items": {
            "type": "string",
            "enum": [
              "Overview",
              "Usage",
              "Examples",
              "Implementation",
              "Tests"
            ]
          },
          "minItems": 5,
          "maxItems": 5
        },
        "codeBlocks": {
          "type": "array",
          "description": "Code blocks found in content",
          "items": {
            "type": "object",
            "required": ["language", "content"],
            "properties": {
              "language": {
                "type": "string",
                "description": "Code block language",
                "enum": [
                  "bash",
                  "sh",
                  "typescript",
                  "javascript",
                  "json",
                  "yaml",
                  "yml",
                  "markdown",
                  "md",
                  "python",
                  "sql",
                  "html",
                  "css",
                  "dockerfile",
                  "plaintext",
                  "text"
                ]
              },
              "content": {
                "type": "string",
                "description": "Code block content",
                "minLength": 1
              },
              "lineNumber": {
                "type": "number",
                "description": "Line number in file"
              }
            }
          }
        },
        "links": {
          "type": "array",
          "description": "Links found in content",
          "items": {
            "type": "object",
            "required": ["text", "href", "type"],
            "properties": {
              "text": {
                "type": "string",
                "description": "Link text"
              },
              "href": {
                "type": "string",
                "description": "Link target"
              },
              "type": {
                "type": "string",
                "description": "Link type",
                "enum": ["internal", "external", "anchor"]
              },
              "lineNumber": {
                "type": "number",
                "description": "Line number in file"
              }
            }
          }
        }
      }
    }
  },
  "definitions": {
    "sectionOrder": {
      "description": "Expected section order",
      "type": "array",
      "items": {
        "type": "string"
      },
      "const": [
        "Overview",
        "Usage",
        "Examples",
        "Implementation",
        "Tests"
      ]
    },
    "optionalSections": {
      "description": "Optional sections that can appear",
      "type": "array",
      "items": {
        "type": "string"
      },
      "enum": [
        "API Reference",
        "Configuration",
        "Related Skills",
        "References",
        "Troubleshooting",
        "Performance",
        "Security",
        "Quick Start"
      ]
    }
  },
  "examples": [
    {
      "frontmatter": {
        "name": "example-skill",
        "version": "1.0.0",
        "tags": ["example", "template"],
        "status": "draft",
        "author": "CFN Team",
        "description": "Example skill demonstrating standardized structure",
        "created": "2025-11-16",
        "updated": "2025-11-16",
        "complexity": "Low",
        "keywords": ["example", "template"],
        "triggers": ["skill-creation"],
        "performance_targets": {
          "execution_time_ms": 1000
        }
      },
      "content": {
        "sections": {
          "Overview": true,
          "Usage": true,
          "Examples": true,
          "Implementation": true,
          "Tests": true
        },
        "requiredSections": [
          "Overview",
          "Usage",
          "Examples",
          "Implementation",
          "Tests"
        ],
        "codeBlocks": [
          {
            "language": "bash",
            "content": "./execute.sh",
            "lineNumber": 10
          }
        ],
        "links": [
          {
            "text": "Usage",
            "href": "#usage",
            "type": "anchor",
            "lineNumber": 5
          }
        ]
      }
    }
  ]
}