{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Product Changelog Entry",
  "description": "Schema for individual product changelog or release note entries.",
  "type": "object",
  "properties": {
    "company_name": {
      "type": "string",
      "description": "Name of the company publishing the changelog. Commonly found in: site header, changelog page header, og:site_name meta tag."
    },
    "company_domain": {
      "type": "string",
      "description": "Website domain of the company. Commonly found in: site URL, canonical domain, changelog URL."
    },
    "product_name": {
      "type": "string",
      "description": "Name of the specific product or component. Commonly found in: changelog entry header, product tag, release notes section title."
    },
    "version": {
      "type": "string",
      "description": "Version number or release identifier. Commonly found in: changelog version heading, release tag, version badge."
    },
    "release_date": {
      "type": "string",
      "format": "date",
      "description": "Date of this changelog entry or release. Commonly found in: changelog entry date, release date display, article publish date."
    },
    "change_type": {
      "type": "string",
      "enum": ["feature", "improvement", "bugfix", "deprecation", "security", "breaking_change", "other"],
      "description": "Type of change described in this entry. Commonly found in: change type badge, changelog category label, entry tag."
    },
    "title": {
      "type": "string",
      "description": "Title or headline of the changelog entry. Commonly found in: changelog entry heading, release note title, h2/h3 tag."
    },
    "description": {
      "type": "string",
      "description": "Full description of the change. Commonly found in: changelog entry body, release note description, change detail text."
    },
    "affected_products": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Products or modules affected by this change. Commonly found in: product tag labels, affected products list, changelog entry metadata."
    },
    "affected_plans": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Pricing plans affected by this change. Commonly found in: plan availability note, plan tag labels, changelog metadata."
    },
    "is_breaking": {
      "type": "boolean",
      "description": "Whether this is a breaking change. Commonly found in: breaking change badge, breaking label, changelog entry flag."
    },
    "migration_required": {
      "type": "boolean",
      "description": "Whether migration steps are required for this change. Commonly found in: migration notice, action required label, breaking change section."
    },
    "migration_guide_url": {
      "type": "string",
      "format": "uri",
      "description": "URL to the migration guide for this change. Commonly found in: migration guide link, learn more link, documentation link in changelog."
    },
    "changelog_url": {
      "type": "string",
      "format": "uri",
      "description": "URL of the changelog page. Commonly found in: canonical link, changelog navigation link, source page URL."
    },
    "page_title": {
      "type": "string",
      "description": "Title of the source page. Tabstack auto-fills this from page metadata when left empty."
    },
    "favicon": {
      "type": "string",
      "format": "uri",
      "description": "Favicon URL of the source page. Tabstack auto-fills this from page metadata when left empty."
    }
  },
  "required": ["company_name", "release_date", "change_type", "title", "description"]
}