feat: enhance receipt alias management with global scope support and update validation

flutter/lib/features/admin/presentation/admin_aliases_panel.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
@@ -23,6 +25,9 @@ class _AdminAliasesPanelState extends ConsumerState<AdminAliasesPanel> {
   String _search = '';
   List<ReceiptAlias> _aliases = [];
   List<AdminProduct> _products = [];
+  int? _scopeChangedAliasId;
+  bool? _scopeChangedToGlobal;
+  Timer? _scopeChangedTimer;
 
   final TextEditingController _aliasController = TextEditingController();
   int? _selectedProductId;
@@ -35,10 +40,26 @@ class _AdminAliasesPanelState extends ConsumerState<AdminAliasesPanel> {
 
   @override
   void dispose() {
+    _scopeChangedTimer?.cancel();
     _aliasController.dispose();
     super.dispose();
   }
 
+  void _markScopeChanged(int aliasId, bool isGlobal) {
+    _scopeChangedTimer?.cancel();
+    setState(() {
+      _scopeChangedAliasId = aliasId;
+      _scopeChangedToGlobal = isGlobal;
+    });
+    _scopeChangedTimer = Timer(const Duration(seconds: 6), () {
+      if (!mounted) return;
+      setState(() {
+        _scopeChangedAliasId = null;
+        _scopeChangedToGlobal = null;
+      });
+    });
+  }
+
   Future<void> _load() async {
     setState(() {
       _isLoading = true;
@@ -109,6 +130,7 @@ class _AdminAliasesPanelState extends ConsumerState<AdminAliasesPanel> {
   Future<void> _editAlias(ReceiptAlias alias) async {
     String aliasName = alias.receiptName;
     int selectedProductId = alias.productId;
+    bool isGlobal = alias.isGlobal;
     final nameController = TextEditingController(text: alias.receiptName);
 
     final result = await showDialog<bool>(
@@ -147,6 +169,23 @@ class _AdminAliasesPanelState extends ConsumerState<AdminAliasesPanel> {
                   setDialogState(() => selectedProductId = value);
                 },
               ),
+              const SizedBox(height: 12),
+              SwitchListTile.adaptive(
+                contentPadding: EdgeInsets.zero,
+                title: const Text('Globalt alias'),
+                subtitle: Text(
+                  alias.isGlobal
+                      ? 'Aliaset är redan globalt.'
+                      : 'Du kan göra privata alias globala.',
+                ),
+                value: isGlobal,
+                onChanged: alias.isGlobal
+                    ? null
+                    : (value) {
+                        if (!value) return;
+                        setDialogState(() => isGlobal = true);
+                      },
+              ),
             ],
           ),
           actions: [
@@ -167,6 +206,7 @@ class _AdminAliasesPanelState extends ConsumerState<AdminAliasesPanel> {
     if (result != true || !mounted) return;
 
     final trimmedAlias = aliasName.trim();
+    final scopeChanged = isGlobal != alias.isGlobal;
     if (trimmedAlias.isEmpty) {
       ScaffoldMessenger.of(context).showSnackBar(
         const SnackBar(content: Text('Aliasnamn kan inte vara tomt.')),
@@ -180,10 +220,14 @@ class _AdminAliasesPanelState extends ConsumerState<AdminAliasesPanel> {
             alias.id,
             receiptName: trimmedAlias,
             productId: selectedProductId,
+            isGlobal: isGlobal,
           );
       if (!mounted) return;
       await _load();
       if (!mounted) return;
+      if (scopeChanged) {
+        _markScopeChanged(alias.id, isGlobal);
+      }
       ScaffoldMessenger.of(context).showSnackBar(
         const SnackBar(content: Text('Alias uppdaterat.')),
       );
@@ -296,6 +340,16 @@ class _AdminAliasesPanelState extends ConsumerState<AdminAliasesPanel> {
                 visualDensity: VisualDensity.compact,
                 label: Text(alias.isGlobal ? 'Global' : 'Privat'),
               ),
+              if (_scopeChangedAliasId == alias.id && _scopeChangedToGlobal != null)
+                Chip(
+                  visualDensity: VisualDensity.compact,
+                  avatar: const Icon(Icons.sync_alt, size: 16),
+                  label: Text(
+                    _scopeChangedToGlobal == true
+                        ? 'Bytt till Global'
+                        : 'Bytt till Privat',
+                  ),
+                ),
             ],
           ),
           trailing: Row(