Get Sina Chat Messages

Retrieves previous messages from a Sina chat session.

Request

final messages = await apiService.getSinaChatMessages(
  sessionId: \"session-123\",
  page: 1,
  perPage: 20
);

Response Example

Returns a List<SinaMessage>.

[
  {
    \"id\": 1,
    \"sender\": \"user\",
    \"text\": \"Hello, how are you?\",
    \"chat_id\": \"session-123\",
    \"created_at\": \"2024-03-20T10:00:00Z\"
  },
  {
    \"id\": 2,
    \"sender\": \"sina\",
    \"text\": \"I'm doing well, thank you!\",
    \"chat_id\": \"session-123\",
    \"created_at\": \"2024-03-20T10:00:01Z\"
  }
]