fix: cap widget task list at 30 items to prevent memory issues

Add safety limit of 30 rendered tasks in the widget to avoid Android
memory constraints. Also add cross-reference comment for the implicit
AsyncStorage coupling with useSettingsStore.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/services/widgetSync.ts

@@ -36,6 +36,7 @@ export async function syncWidgetData(): Promise<void> {
     const todayStart = startOfDay(now);
 
     // Read widget period setting from AsyncStorage (0 = all, N = N weeks ahead)
+    // Coupled with useSettingsStore.ts — key 'simpl-liste-settings', path state.widgetPeriodWeeks
     let widgetPeriodWeeks = 0;
     try {
       const settingsRaw = await AsyncStorage.getItem('simpl-liste-settings');

src/widgets/TaskListWidget.tsx

@@ -473,7 +473,7 @@ function ListWidgetContent({
         </FlexWidget>
       </FlexWidget>
 
-      {/* Task list */}
+      {/* Task list — cap at 30 items to avoid Android widget memory limits */}
       {tasks.length > 0 ? (
         <ListWidget
           style={{
@@ -481,7 +481,7 @@ function ListWidgetContent({
             width: 'match_parent',
           }}
         >
-          {tasks.map((task) => (
+          {tasks.slice(0, 30).map((task) => (
             <FlexWidget
               key={task.id}
               style={{