import 'package:objectbox/objectbox.dart'; @Entity() class ChatMessageEntity { @Id() int id = 0; @Unique() String messageId; @Index() String conversationKey; String content; String contentType; // 'TEXT' or 'IMAGE' @Property(type: PropertyType.date) @Index() DateTime createdAt; String origin; // 'INCOMING' or 'OUTGOING' String messageType; // 'NORMAL', 'JOB_ASSIGNMENT', etc. String? jobId; String? jobNumber; bool read; bool pendingSync; ChatMessageEntity({ required this.messageId, required this.conversationKey, required this.content, this.contentType = 'TEXT', required this.createdAt, required this.origin, required this.messageType, this.jobId, this.jobNumber, this.read = false, this.pendingSync = false, }); }