{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://yswords-data.netlify.app/schemas/daily_news.schema.json",
  "title": "Daily News Bundle",
  "description": "Bilingual daily-news digest with thematic Bible verses. Refreshed 4× daily by GitHub Actions.",
  "type": "object",
  "required": ["sections"],
  "properties": {
    "generatedAt": { "type": "string", "format": "date-time" },
    "editionDate": { "type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$" },
    "sources": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": { "type": "string" },
          "url": { "type": "string", "format": "uri" },
          "category": { "type": "string", "enum": ["world", "china", "australia", "hongkong", "science", "technology", "creation", "documentary"] }
        }
      }
    },
    "sections": {
      "type": "object",
      "patternProperties": {
        "^(world|china|australia|hongkong|science|technology|creation|documentary)$": { "$ref": "#/definitions/section" }
      }
    }
  },
  "definitions": {
    "localized": {
      "type": "object",
      "properties": {
        "en": { "type": "string" },
        "zh": { "type": ["string", "null"] }
      }
    },
    "section": {
      "type": "object",
      "required": ["id", "title", "items"],
      "properties": {
        "id": { "type": "string", "enum": ["world", "china", "australia", "hongkong", "science", "technology", "creation", "documentary"] },
        "title": { "$ref": "#/definitions/localized" },
        "strap": { "$ref": "#/definitions/localized" },
        "sourceNotes": { "type": "array", "items": { "type": "string" } },
        "items": { "type": "array", "items": { "$ref": "#/definitions/article" } }
      }
    },
    "article": {
      "type": "object",
      "required": ["id", "section", "source", "link", "title", "verse"],
      "properties": {
        "id": { "type": "string", "minLength": 1 },
        "section": { "type": "string", "enum": ["world", "china", "australia", "hongkong", "science", "technology", "creation", "documentary"] },
        "source": { "type": "string" },
        "sourceUrl": { "type": "string" },
        "link": { "type": "string", "format": "uri" },
        "image": { "type": ["string", "null"] },
        "publishedAt": { "type": "string" },
        "title": { "$ref": "#/definitions/localized" },
        "summary": { "$ref": "#/definitions/localized" },
        "body": {
          "type": "object",
          "description": "Long-form article body (~2800 chars max) for the in-app detail-page reader. en is the cleaned RSS content:encoded; zh is an AI translation. Either side may be null when unavailable.",
          "properties": {
            "en": { "type": ["string", "null"] },
            "zh": { "type": ["string", "null"] }
          }
        },
        "reflection": {
          "type": "object",
          "properties": {
            "en": { "type": "string" },
            "zh": { "type": "string" }
          }
        },
        "verse": {
          "type": "object",
          "required": ["reference", "textEn", "themeEn"],
          "properties": {
            "reference": { "type": "string" },
            "textEn": { "type": "string" },
            "textZh": { "type": "string" },
            "themeEn": { "type": "string" },
            "themeZh": { "type": "string" }
          }
        },
        "translationState": { "type": "string", "enum": ["localized", "fallback"] }
      }
    }
  }
}