feat(app): implement Product Scan review flow, dynamic batch expiry picker, custom PDFs, PO relationships, and aligned card layouts

lib/features/editor/widgets/header_details_card.dart

@@ -0,0 +1,98 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:intl/intl.dart';
+import '../../../config/app_config.dart';
+import 'editor_text_field.dart';
+
+class HeaderDetailsCard extends StatelessWidget {
+  final TextEditingController tanggalCtrl;
+  final TextEditingController noPoCtrl;
+  final TextEditingController noSoCtrl;
+  final TextEditingController noDoCtrl;
+
+  const HeaderDetailsCard({
+    super.key,
+    required this.tanggalCtrl,
+    required this.noPoCtrl,
+    required this.noSoCtrl,
+    required this.noDoCtrl,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      elevation: 0,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(AppConfig.borderRadiusMedium),
+        side: BorderSide(color: Colors.grey.shade300),
+      ),
+      child: Padding(
+        padding: AppConfig.paddingLarge,
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text('Detail Header', style: AppConfig.h2),
+            const SizedBox(height: AppConfig.spaceLarge),
+            EditorTextField(
+              label: 'Tanggal',
+              controller: tanggalCtrl,
+              readOnly: true,
+              onTap: () async {
+                DateTime? pickedDate = await showDatePicker(
+                  context: context,
+                  initialDate: DateTime.now(),
+                  firstDate: DateTime(2000),
+                  lastDate: DateTime(2101),
+                  builder: (context, child) {
+                    return Theme(
+                      data: Theme.of(context).copyWith(
+                        colorScheme: const ColorScheme.light(
+                          primary: AppConfig.primaryColor,
+                          onPrimary: Colors.white,
+                          onSurface: AppConfig.textPrimary,
+                        ),
+                      ),
+                      child: child!,
+                    );
+                  },
+                );
+                if (pickedDate != null) {
+                  String formattedDate = DateFormat('dd MMMM yyyy').format(pickedDate);
+                  tanggalCtrl.text = formattedDate;
+                }
+              },
+            ),
+            EditorTextField(
+              label: 'No PO',
+              controller: noPoCtrl,
+              validator: (val) {
+                if (val == null || val.isEmpty) return 'No PO harus diisi';
+                if (!RegExp(r'^PO/\d{2}/\d{10}$').hasMatch(val)) {
+                  return 'Format harus PO/[XX]/[XXXXXXXXXX]';
+                }
+                return null;
+              },
+            ),
+            EditorTextField(
+              label: 'No SO',
+              controller: noSoCtrl,
+              keyboardType: TextInputType.number,
+              inputFormatters: [
+                FilteringTextInputFormatter.digitsOnly,
+                LengthLimitingTextInputFormatter(10),
+              ],
+              validator: (val) {
+                if (val == null || val.isEmpty) return 'No SO harus diisi';
+                if (val.length != 10) {
+                  return 'SO harus persis 10 angka';
+                }
+                return null;
+              },
+            ),
+            EditorTextField(label: 'No DO', controller: noDoCtrl),
+          ],
+        ),
+      ),
+    );
+  }
+}