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Error parsing body: [
  {
    "code": "invalid_union",
    "unionErrors": [
      {
        "issues": [
          {
            "code": "invalid_type",
            "expected": "array",
            "received": "object",
            "path": [
              "messages"
            ],
            "message": "Expected array, received object"
          }
        ],
        "name": "ZodError"
      },
      {
        "issues": [
          {
            "code": "invalid_type",
            "expected": "string",
            "received": "object",
            "path": [
              "messages"
            ],
            "message": "Expected string, received object"
          }
        ],
        "name": "ZodError"
      }
    ],
    "path": [
      "messages"
    ],
    "message": "Invalid input"
  }
]