added 'categories' field to construct use model and started saving morph category

lib/pangea/controllers/my_analytics_controller.dart

@@ -201,22 +201,19 @@ class MyAnalyticsController extends BaseController {
         )
         .toList();
 
-    final List<String> morphs = tokens
-        .map((t) => t.morph.values)
-        .expand((m) => m)
-        .cast<String>()
-        .toList();
-
-    uses.addAll(
-      morphs.map(
-        (morph) => OneConstructUse(
-          useType: useType,
-          lemma: morph,
-          constructType: ConstructTypeEnum.morph,
-          metadata: metadata,
-        ),
-      ),
-    );
+    for (final token in tokens) {
+      for (final entry in token.morph.entries) {
+        uses.add(
+          OneConstructUse(
+            useType: useType,
+            lemma: entry.value,
+            categories: [entry.key],
+            constructType: ConstructTypeEnum.morph,
+            metadata: metadata,
+          ),
+        );
+      }
+    }
 
     final level = _pangeaController.analytics.level;
     addLocalMessage('draft$roomID', uses).then(

lib/pangea/models/analytics/constructs_model.dart

@@ -74,8 +74,9 @@ class ConstructAnalyticsModel {
 
 class OneConstructUse {
   String? lemma;
-  ConstructTypeEnum? constructType;
   String? form;
+  List<String> categories;
+  ConstructTypeEnum? constructType;
   ConstructUseTypeEnum useType;
   String? id;
   ConstructUseMetaData metadata;
@@ -85,6 +86,7 @@ class OneConstructUse {
     required this.lemma,
     required this.constructType,
     required this.metadata,
+    this.categories = const [],
     this.form,
     this.id,
   });
@@ -100,6 +102,9 @@ class OneConstructUse {
           ConstructUseTypeEnum.unk,
       lemma: json['lemma'],
       form: json['form'],
+      categories: json['categories'] != null
+          ? List<String>.from(json['categories'])
+          : [],
       constructType: json['constructType'] != null
           ? ConstructTypeUtil.fromString(json['constructType'])
           : null,
@@ -113,7 +118,7 @@ class OneConstructUse {
   }
 
   Map<String, dynamic> toJson([bool condensed = false]) {
-    final Map<String, String?> data = {
+    final Map<String, dynamic> data = {
       'useType': useType.string,
       'chatId': metadata.roomId,
       'timeStamp': metadata.timeStamp.toIso8601String(),
@@ -125,7 +130,7 @@ class OneConstructUse {
       data['constructType'] = constructType!.string;
     }
     if (id != null) data['id'] = id;
-
+    data['categories'] = categories;
     return data;
   }
 

lib/pangea/models/representation_content_model.dart

@@ -146,23 +146,23 @@ class PangeaRepresentation {
     final List<OneConstructUse> uses = [];
     final lemma = token.lemma;
     final content = token.text.content;
-    final morphs = token.morph.values.toList();
 
     if (choreo == null) {
       final bool inUserL2 = langCode ==
           MatrixState.pangeaController.languageController.activeL2Code();
       final useType =
           inUserL2 ? ConstructUseTypeEnum.wa : ConstructUseTypeEnum.unk;
-      uses.addAll(
-        morphs.map(
-          (morph) => OneConstructUse(
+      for (final entry in token.morph.entries) {
+        uses.add(
+          OneConstructUse(
             useType: useType,
-            lemma: morph,
+            lemma: entry.value,
+            categories: [entry.key],
             constructType: ConstructTypeEnum.morph,
             metadata: metadata,
           ),
-        ),
-      );
+        );
+      }
       uses.add(
         lemma.toVocabUse(
           inUserL2 ? ConstructUseTypeEnum.wa : ConstructUseTypeEnum.unk,
@@ -205,16 +205,17 @@ class PangeaRepresentation {
       }
     }
 
-    uses.addAll(
-      morphs.map(
-        (morph) => OneConstructUse(
+    for (final entry in token.morph.entries) {
+      uses.add(
+        OneConstructUse(
           useType: ConstructUseTypeEnum.wa,
-          lemma: morph,
+          lemma: entry.value,
+          categories: [entry.key],
           constructType: ConstructTypeEnum.morph,
           metadata: metadata,
         ),
-      ),
-    );
+      );
+    }
     uses.add(
       lemma.toVocabUse(
         ConstructUseTypeEnum.wa,