✨ Ai thought basis

lib/models/thought.dart

@@ -0,0 +1,66 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:island/models/file.dart';
+
+part 'thought.freezed.dart';
+part 'thought.g.dart';
+
+enum ThinkingThoughtRole {
+  assistant(0),
+  user(1);
+
+  const ThinkingThoughtRole(this.value);
+  final int value;
+
+  static ThinkingThoughtRole fromValue(int value) {
+    return values.firstWhere((e) => e.value == value);
+  }
+}
+
+class ThinkingThoughtRoleConverter
+    implements JsonConverter<ThinkingThoughtRole, int> {
+  const ThinkingThoughtRoleConverter();
+
+  @override
+  ThinkingThoughtRole fromJson(int json) => ThinkingThoughtRole.fromValue(json);
+
+  @override
+  int toJson(ThinkingThoughtRole object) => object.value;
+}
+
+@freezed
+sealed class StreamThinkingRequest with _$StreamThinkingRequest {
+  const factory StreamThinkingRequest({
+    required String userMessage,
+    String? sequenceId,
+  }) = _StreamThinkingRequest;
+
+  factory StreamThinkingRequest.fromJson(Map<String, dynamic> json) =>
+      _$StreamThinkingRequestFromJson(json);
+}
+
+@freezed
+sealed class SnThinkingSequence with _$SnThinkingSequence {
+  const factory SnThinkingSequence({
+    required String id,
+    String? topic,
+    required String accountId,
+  }) = _SnThinkingSequence;
+
+  factory SnThinkingSequence.fromJson(Map<String, dynamic> json) =>
+      _$SnThinkingSequenceFromJson(json);
+}
+
+@freezed
+sealed class SnThinkingThought with _$SnThinkingThought {
+  const factory SnThinkingThought({
+    required String id,
+    String? content,
+    @Default([]) List<SnCloudFile> files,
+    @ThinkingThoughtRoleConverter() required ThinkingThoughtRole role,
+    required String sequenceId,
+    SnThinkingSequence? sequence,
+  }) = _SnThinkingThought;
+
+  factory SnThinkingThought.fromJson(Map<String, dynamic> json) =>
+      _$SnThinkingThoughtFromJson(json);
+}