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- Jumlah pada AppFilterChip kini opsional

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/presentation/components/chip/app_filter_chip.dart

@@ -2,18 +2,19 @@ import 'package:flutter/material.dart';
 
 import '../../../common/theme/theme.dart';
 
-/// Chip filter berbentuk pil dengan jumlah item di sebelah label.
+/// Chip filter berbentuk pil, dengan jumlah item di sebelah label bila
+/// [count] diisi.
 class AppFilterChip extends StatelessWidget {
   const AppFilterChip({
     super.key,
     required this.label,
-    required this.count,
+    this.count,
     required this.isSelected,
     required this.onTap,
   });
 
   final String label;
-  final int count;
+  final int? count;
   final bool isSelected;
   final VoidCallback onTap;
 
@@ -43,23 +44,28 @@ class AppFilterChip extends StatelessWidget {
                   fontWeight: FontWeight.w600,
                 ),
               ),
-              const SizedBox(width: 6),
-              Container(
-                padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 1),
-                decoration: BoxDecoration(
-                  color: isSelected
-                      ? AppColor.white.withOpacity(0.2)
-                      : AppColor.primary.withOpacity(0.08),
-                  borderRadius: BorderRadius.circular(10),
-                ),
-                child: Text(
-                  '$count',
-                  style: AppStyle.xs.copyWith(
-                    color: isSelected ? AppColor.textWhite : AppColor.primary,
-                    fontWeight: FontWeight.w700,
+              if (count != null) ...[
+                const SizedBox(width: 6),
+                Container(
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: 6,
+                    vertical: 1,
+                  ),
+                  decoration: BoxDecoration(
+                    color: isSelected
+                        ? AppColor.white.withOpacity(0.2)
+                        : AppColor.primary.withOpacity(0.08),
+                    borderRadius: BorderRadius.circular(10),
+                  ),
+                  child: Text(
+                    '$count',
+                    style: AppStyle.xs.copyWith(
+                      color: isSelected ? AppColor.textWhite : AppColor.primary,
+                      fontWeight: FontWeight.w700,
+                    ),
                   ),
                 ),
-              ),
+              ],
             ],
           ),
         ),

lib/presentation/components/delegate/filter_bar_delegate.dart

@@ -10,7 +10,7 @@ class FilterBarDelegate<T> extends SliverPersistentHeaderDelegate {
     required this.values,
     required this.selected,
     required this.labelOf,
-    required this.countOf,
+    this.countOf,
     required this.onSelected,
     this.backgroundColor = AppColor.background,
   });
@@ -18,7 +18,9 @@ class FilterBarDelegate<T> extends SliverPersistentHeaderDelegate {
   final List<T> values;
   final T selected;
   final String Function(T value) labelOf;
-  final int Function(T value) countOf;
+
+  /// Kosongkan bila chip tidak perlu menampilkan jumlah.
+  final int Function(T value)? countOf;
   final ValueChanged<T> onSelected;
   final Color backgroundColor;
 
@@ -47,7 +49,7 @@ class FilterBarDelegate<T> extends SliverPersistentHeaderDelegate {
           final value = values[index];
           return AppFilterChip(
             label: labelOf(value),
-            count: countOf(value),
+            count: countOf?.call(value),
             isSelected: value == selected,
             onTap: () => onSelected(value),
           );