{
  "manifestVersion": 1,
  "name": "support-case-activity",
  "description": "Append-only evidence about one support case: a note, a state transition's context, a customer reply a user actor recorded, or an escalation reason. The visibility label is an assertion by the recorder, never an access grant: no customer can read anything here. No attachment bytes are stored.",
  "fields": [
    {
      "name": "sourceKey",
      "type": "string",
      "writable": "managed",
      "unique": true
    },
    {
      "name": "supportCaseId",
      "type": "string",
      "writable": "managed",
      "index": true
    },
    {
      "name": "serviceCoverageId",
      "type": "string",
      "writable": "managed",
      "index": true
    },
    {
      "name": "type",
      "type": "enum",
      "writable": "managed",
      "values": [
        "note",
        "transition",
        "customer_reply",
        "internal_note",
        "escalation"
      ]
    },
    {
      "name": "body",
      "type": "string",
      "writable": "managed"
    },
    {
      "name": "evidenceRef",
      "type": "string",
      "writable": "managed"
    },
    {
      "name": "visibility",
      "type": "enum",
      "writable": "managed",
      "values": [
        "internal",
        "customer_visible"
      ]
    },
    {
      "name": "fromStatus",
      "type": "string",
      "writable": "managed"
    },
    {
      "name": "toStatus",
      "type": "string",
      "writable": "managed"
    },
    {
      "name": "recordedBy",
      "type": "string",
      "writable": "managed"
    },
    {
      "name": "occurredAt",
      "type": "timestamp",
      "writable": "managed"
    }
  ]
}