fix getCategory function

lib/pangea/controllers/get_analytics_controller.dart

@@ -77,10 +77,10 @@ class GetAnalyticsController {
         ...(_getConstructsLocal() ?? []),
         ..._locallyCachedConstructs,
       ]);
-      _updateAnalyticsStream();
     } catch (err, s) {
       ErrorHandler.logError(e: err, s: s);
     } finally {
+      _updateAnalyticsStream();
       if (!initCompleter.isCompleted) initCompleter.complete();
     }
   }
@@ -124,8 +124,13 @@ class GetAnalyticsController {
             Map<String, List<dynamic>>.from(locallySaved);
         final Map<String, List<OneConstructUse>> formattedCache = {};
         for (final entry in cache.entries) {
-          formattedCache[entry.key] =
-              entry.value.map((e) => OneConstructUse.fromJson(e)).toList();
+          try {
+            formattedCache[entry.key] =
+                entry.value.map((e) => OneConstructUse.fromJson(e)).toList();
+          } catch (err, s) {
+            ErrorHandler.logError(e: err, s: s);
+            continue;
+          }
         }
         return formattedCache;
       } catch (err) {

lib/pangea/models/analytics/constructs_model.dart

@@ -29,7 +29,12 @@ class ConstructAnalyticsModel {
         if (["grammar", "g"].contains(useJson['constructType'])) {
           continue;
         } else {
-          uses.add(OneConstructUse.fromJson(useJson));
+          try {
+            uses.add(OneConstructUse.fromJson(useJson));
+          } catch (err, s) {
+            ErrorHandler.logError(e: err, s: s);
+            continue;
+          }
         }
       }
     } else {
@@ -94,7 +99,7 @@ class OneConstructUse {
       useType: ConstructUseTypeUtil.fromString(json['useType']),
       lemma: json['lemma'],
       form: json['form'],
-      category: getCategory(json),
+      category: getCategory(json, constructType),
       constructType: constructType,
       id: json['id'],
       metadata: ConstructUseMetaData(
@@ -117,9 +122,21 @@ class OneConstructUse {
         'id': id,
       };
 
-  static String getCategory(Map<String, dynamic> json) {
+  static String getCategory(
+    Map<String, dynamic> json,
+    ConstructTypeEnum constructType,
+  ) {
     final categoryEntry = json['cat'] ?? json['categories'];
 
+    if (constructType == ConstructTypeEnum.vocab) {
+      final String? category = categoryEntry is String
+          ? categoryEntry
+          : categoryEntry is List && categoryEntry.isNotEmpty
+              ? categoryEntry.first
+              : null;
+      return category ?? "Other";
+    }
+
     if (categoryEntry == null) {
       return _guessGrammarCategory(json["lemma"]);
     }

lib/pangea/widgets/chat_list/analytics_summary/learning_progress_indicators.dart

@@ -39,8 +39,7 @@ class LearningProgressIndicatorsState
 
     // if getAnalytics has already finished initializing,
     // the data is loaded and should be displayed.
-    if (MatrixState.pangeaController.getAnalytics.initCompleter?.isCompleted ??
-        false) {
+    if (MatrixState.pangeaController.getAnalytics.initCompleter.isCompleted) {
       updateData(null);
     }
     _analyticsSubscription = MatrixState