{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://example.local/schemas/plan_sessions.json",
  "title": "PlanSession",
  "type": "object",
  "additionalProperties": false,
  "required": ["id", "plan_id", "executed_at", "location", "coach", "group_label", "feedback", "used_equipment"],
  "properties": {
    "id": { "type": "string" },
    "plan_id": { "type": "string" },
    "executed_at": { "type": "string", "format": "date-time" },
    "location": { "type": "string" },
    "coach": { "type": "string" },
    "group_label": { "type": "string" },
    "feedback": {
      "type": "object",
      "additionalProperties": false,
      "required": ["rating", "notes"],
      "properties": {
        "rating": { "type": "integer", "minimum": 1, "maximum": 5 },
        "notes": { "type": "string" }
      }
    },
    "used_equipment": { "type": "array", "items": { "type": "string" } }
  }
}