fix(mobile): format waktu proses laundry - 72 jam menjadi 3 hari, 10 jam tetap 10 jam

spk_mobile/lib/models/laundry.dart

@@ -291,7 +291,26 @@ class Laundry {
 
   double get jarak => jarakKampus; // alias for jarak field
   double get rating => avgRating ?? 0.0;
-  String get estimasiSelesai => '$waktuProses jam';
+  // Format jam secara umum menjadi format ramah pengguna (contoh: "3 hari", "10 jam")
+  static String formatJam(int jam) {
+    if (jam >= 24) {
+      final hari = jam ~/ 24;
+      final sisaJam = jam % 24;
+      if (sisaJam == 0) {
+        return '$hari hari';
+      } else {
+        return '$hari hari $sisaJam jam';
+      }
+    }
+    return '$jam jam';
+  }
+
+  // Format waktu proses sesuai jenis layanan
+  String formattedWaktuProsesFor(String? jenisLayanan) {
+    return formatJam(waktuProsesFor(jenisLayanan));
+  }
+
+  String get estimasiSelesai => formatJam(waktuProses);
 
   // Check if currently open
   bool get isOpen {

spk_mobile/lib/screens/laundry_detail_screen.dart

@@ -295,7 +295,7 @@ class _LaundryDetailScreenState extends State<LaundryDetailScreen> {
                                         ),
                                         _buildHeaderChip(
                                           icon: Icons.schedule_rounded,
-                                          label: '${widget.laundry.waktuProsesFor(widget.selectedJenisLayanan)} jam',
+                                          label: widget.laundry.formattedWaktuProsesFor(widget.selectedJenisLayanan),
                                         ),
                                       ],
                                     ),
@@ -347,7 +347,7 @@ class _LaundryDetailScreenState extends State<LaundryDetailScreen> {
                       _buildInfoRow(
                         Icons.schedule,
                         'Kecepatan Layanan',
-                        '${widget.laundry.waktuProsesFor(widget.selectedJenisLayanan)} jam',
+                        widget.laundry.formattedWaktuProsesFor(widget.selectedJenisLayanan),
                       ),
                     ],
                   ),

spk_mobile/lib/widgets/laundry_card.dart

@@ -236,7 +236,7 @@ class LaundryCard extends StatelessWidget {
                             ),
                             const SizedBox(width: 4),
                             Text(
-                              '${laundry.waktuProsesFor(selectedJenisLayanan)}h',
+                              laundry.formattedWaktuProsesFor(selectedJenisLayanan),
                               style: const TextStyle(
                                 fontSize: 12,
                                 fontWeight: FontWeight.bold,