马良AI写作初始化仓库

AINoval/lib/models/next_outline/outline_generation_chunk.dart

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+import 'package:json_annotation/json_annotation.dart';
+
+/// 剧情大纲生成的数据块
+/// 用于流式传输生成的剧情大纲选项
+class OutlineGenerationChunk {
+  /// 选项ID，用于唯一标识一个剧情选项
+  final String optionId;
+  
+  /// 选项标题，AI生成的剧情选项的短标题
+  final String? optionTitle;
+  
+  /// 文本块内容，大纲内容的文本片段
+  final String textChunk;
+  
+  /// 是否为该选项的最后一个块
+  final bool isFinalChunk;
+  
+  /// 错误信息，如果生成过程中出错则包含错误信息
+  final String? error;
+
+  OutlineGenerationChunk({
+    required this.optionId,
+    this.optionTitle,
+    required this.textChunk,
+    required this.isFinalChunk,
+    this.error,
+  });
+
+  factory OutlineGenerationChunk.fromJson(Map<String, dynamic> json) {
+    return OutlineGenerationChunk(
+      optionId: json['optionId'] as String? ?? '',
+      optionTitle: json['optionTitle'] as String?,
+      textChunk: json['textChunk'] as String? ?? '',
+      isFinalChunk: json['finalChunk'] as bool? ?? false,
+      error: json['error'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'optionId': optionId,
+      if (optionTitle != null) 'optionTitle': optionTitle,
+      'textChunk': textChunk,
+      'isFinalChunk': isFinalChunk,
+      if (error != null) 'error': error,
+    };
+  }
+}