feat(url-launcher): Integrate url_launcher plugin for opening directions in maps

apps/mobile/packages/features/staff/shifts/lib/src/presentation/widgets/shift_details/shift_location_section.dart

@@ -1,6 +1,7 @@
 import 'package:design_system/design_system.dart';
 import 'package:flutter/material.dart';
 import 'package:krow_domain/krow_domain.dart';
+import 'package:url_launcher/url_launcher.dart';
 import 'shift_location_map.dart';
 
 /// A section displaying the shift's location, address, map, and "Get direction" action.
@@ -69,18 +70,7 @@ class ShiftLocationSection extends StatelessWidget {
                     ),
                   ),
                   OutlinedButton.icon(
-                    onPressed: () {
-                      ScaffoldMessenger.of(context).showSnackBar(
-                        SnackBar(
-                          content: Text(
-                            shift.locationAddress.isNotEmpty
-                                ? shift.locationAddress
-                                : shift.location,
-                          ),
-                          duration: const Duration(seconds: 3),
-                        ),
-                      );
-                    },
+                    onPressed: () => _openDirections(context),
                     icon: const Icon(
                       UiIcons.navigation,
                       size: UiConstants.iconXs,
@@ -114,4 +104,30 @@ class ShiftLocationSection extends StatelessWidget {
       ),
     );
   }
+
+  Future<void> _openDirections(BuildContext context) async {
+    final destination = (shift.latitude != null && shift.longitude != null)
+        ? '${shift.latitude},${shift.longitude}'
+        : Uri.encodeComponent(
+          shift.locationAddress.isNotEmpty
+              ? shift.locationAddress
+              : shift.location,
+        );
+
+    final String url =
+        'https://www.google.com/maps/dir/?api=1&destination=$destination';
+    final uri = Uri.parse(url);
+
+    if (await canLaunchUrl(uri)) {
+      await launchUrl(uri, mode: LaunchMode.externalApplication);
+    } else {
+      if (context.mounted) {
+        UiSnackbar.show(
+          context,
+          message: 'Could not open maps',
+          type: UiSnackbarType.error,
+        );
+      }
+    }
+  }
 }

apps/mobile/packages/features/staff/shifts/pubspec.yaml

@@ -29,6 +29,7 @@ dependencies:
   equatable: ^2.0.5
   intl: ^0.20.2
   google_maps_flutter: ^2.14.2
+  url_launcher: ^6.3.1
   firebase_auth: ^6.1.4
   firebase_data_connect: ^0.2.2+2