{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "$schema": {
      "type": "string",
      "const": "https://bagtoad.github.io/github-video-navigator/schema/v1.json"
    },
    "version": {
      "type": "number",
      "const": 1
    },
    "video": {
      "type": "string",
      "maxLength": 4096,
      "pattern": "^https:\\/\\/(?:github\\.com\\/(?:user-attachments\\/assets\\/[a-fA-F0-9-]{36}|[a-zA-Z0-9_.-]+\\/[a-zA-Z0-9_.-]+\\/assets\\/\\d+\\/[a-fA-F0-9-]{36})|(?:user-images|private-user-images|raw)\\.githubusercontent\\.com\\/[^\\s?#]+\\.(?:[mM][pP]4|[mM][oO][vV]|[wW][eE][bB][mM]))(?:\\?[^\\s#]*)?$",
      "description": "The exact HTTPS GitHub video URL also present in the visible Markdown."
    },
    "title": {
      "type": "string",
      "minLength": 1,
      "maxLength": 180,
      "pattern": "\\S"
    },
    "chapters": {
      "maxItems": 500,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "at": {
            "type": "number",
            "minimum": 0,
            "maximum": 604800,
            "description": "Seconds from the start of the video. Fractional seconds are supported."
          },
          "title": {
            "type": "string",
            "minLength": 1,
            "maxLength": 180,
            "pattern": "\\S"
          },
          "description": {
            "type": "string",
            "minLength": 1,
            "maxLength": 500,
            "pattern": "\\S"
          }
        },
        "required": [
          "at",
          "title"
        ],
        "additionalProperties": false
      },
      "description": "Chapters in strictly increasing timestamp order. May be empty."
    },
    "reasoning": {
      "maxItems": 2000,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "at": {
            "type": "number",
            "minimum": 0,
            "maximum": 604800,
            "description": "Seconds from the start of the video. Fractional seconds are supported."
          },
          "kind": {
            "type": "string",
            "enum": [
              "observation",
              "decision",
              "action",
              "result"
            ]
          },
          "title": {
            "type": "string",
            "minLength": 1,
            "maxLength": 180,
            "pattern": "\\S"
          },
          "text": {
            "type": "string",
            "minLength": 1,
            "maxLength": 10000,
            "pattern": "\\S"
          },
          "agent": {
            "type": "string",
            "minLength": 1,
            "maxLength": 80,
            "pattern": "\\S"
          }
        },
        "required": [
          "at",
          "text"
        ],
        "additionalProperties": false
      },
      "description": "Author-provided notes in nondecreasing timestamp order. Notes at the same time are shown together and remain current until the next timestamp."
    }
  },
  "required": [
    "version",
    "video",
    "chapters",
    "reasoning"
  ],
  "additionalProperties": false,
  "$id": "https://bagtoad.github.io/github-video-navigator/schema/v1.json",
  "title": "Video navigator metadata v1"
}