feat: custom appbar

lib/presentation/pages/purchase/purchase_page.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:line_icons/line_icons.dart';
 
 import '../../../common/theme/theme.dart';
-import 'widgets/appbar.dart';
+import '../../components/appbar/appbar.dart';
 import 'widgets/purchase_tile.dart';
 import 'widgets/stat_card.dart';
 import 'widgets/status_chip.dart';
@@ -18,9 +18,7 @@ class PurchasePage extends StatefulWidget {
 
 class _PurchasePageState extends State<PurchasePage>
     with TickerProviderStateMixin {
-  late AnimationController rotationAnimation;
   late AnimationController cardAnimation;
-  late AnimationController floatingAnimation;
   String selectedFilter = 'Semua';
   final List<String> filterOptions = [
     'Semua',
@@ -67,29 +65,18 @@ class _PurchasePageState extends State<PurchasePage>
   @override
   void initState() {
     super.initState();
-    rotationAnimation = AnimationController(
-      duration: const Duration(seconds: 20),
-      vsync: this,
-    )..repeat();
 
     cardAnimation = AnimationController(
       duration: const Duration(milliseconds: 1200),
       vsync: this,
     );
 
-    floatingAnimation = AnimationController(
-      duration: const Duration(seconds: 3),
-      vsync: this,
-    )..repeat(reverse: true);
-
     cardAnimation.forward();
   }
 
   @override
   void dispose() {
-    rotationAnimation.dispose();
     cardAnimation.dispose();
-    floatingAnimation.dispose();
     super.dispose();
   }
 
@@ -106,10 +93,7 @@ class _PurchasePageState extends State<PurchasePage>
             elevation: 0,
             backgroundColor: AppColor.primary,
 
-            flexibleSpace: PurchaseAppbar(
-              rotationAnimation: rotationAnimation,
-              floatingAnimation: floatingAnimation,
-            ),
+            flexibleSpace: CustomAppBar(title: 'Pembelian'),
           ),
 
           // Stats Cards