{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Timeline-kun CSV",
  "description": "An array of CSV rows for Timeline-kun",
  "type": "array",
  "minItems": 1,
  "items": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "title": { "type": "string", "description": "Event name" },
      "member": { "type": "string", "description": "Person or group" },
      "start": { "type": "string", "pattern": "^\\d{1,2}:[0-5]\\d:[0-5]\\d$", "description": "Start time H:MM:SS" },
      "duration": { "type": "string", "pattern": "^\\d{1,2}:[0-5]\\d:[0-5]\\d$", "default": "0:00:05", "description": "Duration H:MM:SS" },
      "fixed": { "type": "string", "enum": ["start","duration"]},
      "instruction": { "type": "string", "description": "Notes" }
    },
    "required": ["title","member","fixed"],
    "allOf": [
      {
        "if": { "properties": { "fixed": { "const": "start" } } },
        "then": { "required": ["start"] }
      },
      {
        "if": { "properties": { "fixed": { "const": "duration" } } },
        "then": { "required": ["duration"] }
      }
    ]
  },
  "x-notes": {
    "csvHeaderOrder": ["title","member","start","duration","fixed","instruction"],
    "rowOrdering": "Array order is execution order. Do not reorder rows.",
    "instructionTrigger": "The instruction field triggers recording only if it contains the exact substring '(recording)' with matching case",
    "rowRules": [
      "All column values may be duplicated across rows",
      "If duration is not specified, default to 0:00:05"
    ],
    "examples": [
      { "title": "Wake up",    "member": "all member", "start": "0:00:00", "fixed": "start", "instruction": "Good morning! (recording)" },
      { "title": "Stand by",   "member": "group A",    "start": "0:10:00", "fixed": "start" },
      { "title": "Walking",    "member": "group B",    "start": "0:11:00", "duration": "0:05:00", "fixed": "start" },
      { "title": "Stand by",   "member": "sub-001",    "duration": "0:00:20", "fixed": "duration" },
      { "title": "Monitoring", "member": "sub-001/ses-01",    "duration": "0:20:00", "fixed": "duration", "instruction": "Skip when core body temperature reaches 38.5°C" }
    ]  }
}