UX and bones of suspected locations

lib/screens/settings/sections/suspected_locations_section.dart

@@ -0,0 +1,106 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../../../app_state.dart';
+import '../../../services/localization_service.dart';
+
+class SuspectedLocationsSection extends StatelessWidget {
+  const SuspectedLocationsSection({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedBuilder(
+      animation: LocalizationService.instance,
+      builder: (context, child) {
+        final locService = LocalizationService.instance;
+        final appState = context.watch<AppState>();
+        final isEnabled = appState.suspectedLocationsEnabled;
+        final isLoading = appState.suspectedLocationsLoading;
+        final lastFetch = appState.suspectedLocationsLastFetch;
+        
+        String getLastFetchText() {
+          if (lastFetch == null) {
+            return 'Never fetched';
+          } else {
+            final now = DateTime.now();
+            final diff = now.difference(lastFetch);
+            if (diff.inDays > 0) {
+              return '${diff.inDays} days ago';
+            } else if (diff.inHours > 0) {
+              return '${diff.inHours} hours ago';
+            } else if (diff.inMinutes > 0) {
+              return '${diff.inMinutes} minutes ago';
+            } else {
+              return 'Just now';
+            }
+          }
+        }
+        
+        Future<void> handleRefresh() async {
+          final success = await appState.refreshSuspectedLocations();
+          if (context.mounted) {
+            ScaffoldMessenger.of(context).showSnackBar(
+              SnackBar(
+                content: Text(success 
+                    ? 'Suspected locations updated successfully' 
+                    : 'Failed to update suspected locations'),
+              ),
+            );
+          }
+        }
+        
+        return Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              'Suspected Locations',
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+            const SizedBox(height: 8),
+            
+            // Enable/disable switch
+            ListTile(
+              leading: const Icon(Icons.help_outline),
+              title: const Text('Show Suspected Locations'),
+              subtitle: const Text('Show question mark markers for suspected surveillance sites from utility permit data'),
+              trailing: Switch(
+                value: isEnabled,
+                onChanged: (enabled) {
+                  appState.setSuspectedLocationsEnabled(enabled);
+                },
+              ),
+            ),
+            
+            if (isEnabled) ...[
+              const SizedBox(height: 8),
+              
+              // Last update time
+              ListTile(
+                leading: const Icon(Icons.schedule),
+                title: const Text('Last Updated'),
+                subtitle: Text(getLastFetchText()),
+                trailing: isLoading
+                    ? const SizedBox(
+                        width: 24,
+                        height: 24,
+                        child: CircularProgressIndicator(strokeWidth: 2),
+                      )
+                    : IconButton(
+                        icon: const Icon(Icons.refresh),
+                        onPressed: handleRefresh,
+                        tooltip: 'Refresh now',
+                      ),
+              ),
+              
+              // Data info
+              ListTile(
+                leading: const Icon(Icons.info_outline),
+                title: const Text('Data Source'),
+                subtitle: const Text('Utility permit data indicating potential surveillance infrastructure installation sites'),
+              ),
+            ],
+          ],
+        );
+      },
+    );
+  }
+}