feat(knowledge): add noteType field to Note model, api, repository, provider

lib/data/models/note.dart

@@ -3,6 +3,7 @@ class Note {
   final String title;
   final String body;
   final List<String> tags;
+  final String noteType;
   final int? projectId;
   final int? milestoneId;
   final DateTime createdAt;
@@ -13,6 +14,7 @@ class Note {
     required this.title,
     required this.body,
     required this.tags,
+    this.noteType = 'note',
     this.projectId,
     this.milestoneId,
     required this.createdAt,
@@ -27,6 +29,7 @@ class Note {
                 ?.map((e) => e as String)
                 .toList() ??
             [],
+        noteType: json['note_type'] as String? ?? 'note',
         projectId: json['project_id'] as int?,
         milestoneId: json['milestone_id'] as int?,
         createdAt: DateTime.parse(json['created_at'] as String),
@@ -37,6 +40,7 @@ class Note {
         'title': title,
         'body': body,
         'tags': tags,
+        'note_type': noteType,
         'project_id': projectId,
         'milestone_id': milestoneId,
       };
@@ -45,6 +49,7 @@ class Note {
     String? title,
     String? body,
     List<String>? tags,
+    String? noteType,
     Object? projectId = _undefined,
     Object? milestoneId = _undefined,
   }) =>
@@ -53,6 +58,7 @@ class Note {
         title: title ?? this.title,
         body: body ?? this.body,
         tags: tags ?? this.tags,
+        noteType: noteType ?? this.noteType,
         projectId: identical(projectId, _undefined)
             ? this.projectId
             : projectId as int?,