{
  "_comment": "v0.3 multimodal: text Part + file Part. Used by chat-attachment flow (PR #114).",
  "_added": "2026-04-30",
  "_source": "Real shape from agent-to-agent file attachment path",
  "jsonrpc": "2.0",
  "method": "message/send",
  "id": "msg-test-v03-file",
  "params": {
    "message": {
      "messageId": "msg-5",
      "role": "user",
      "parts": [
        {"kind": "text", "text": "Please review the attached log."},
        {
          "kind": "file",
          "file": {
            "name": "incident.log",
            "mimeType": "text/plain",
            "uri": "https://staging-api.moleculesai.app/files/abc123"
          }
        }
      ]
    }
  }
}
