feat: Implement container logs functionality in InstancesViewModel

- Added properties for managing container logs, including log entries, service filters, and auto-refresh options.
- Introduced commands for refreshing logs, toggling auto-refresh, and closing the logs panel.
- Implemented log fetching logic with error handling and status messages.
- Integrated log display in the InstancesView with a dedicated logs panel.

feat: Enhance navigation to Instances page with auto-selection

- Added method to navigate to the Instances page and auto-select an instance based on abbreviation.

feat: Update SettingsViewModel to load and save Bitwarden configuration

- Integrated Bitwarden configuration loading from IOptions and saving to appsettings.json.
- Added properties for Bitwarden instance project ID and connection status.
- Updated UI to reflect Bitwarden settings and connection status.

feat: Add advanced options for instance creation

- Introduced a new expander in CreateInstanceView for advanced options, including purging stale volumes.

feat: Improve InstanceDetailsWindow with pending setup banner

- Added a banner to indicate pending setup for Xibo OAuth credentials, with editable fields for client ID and secret.

fix: Update appsettings.json to include Bitwarden configuration structure

- Added Bitwarden section to appsettings.json for storing configuration values.

chore: Update Docker Compose template with health checks

- Added health check configuration for web service in template.yml to ensure service availability.

refactor: Drop AppSettings table from database

- Removed AppSettings table and related migration files as part of database cleanup.

feat: Create ServiceLogEntry DTO for log management

- Added ServiceLogEntry class to represent individual log entries from Docker services.

OTSSignsOrchestrator.Desktop/App.axaml.cs

@@ -44,6 +44,28 @@ public class App : Application
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {
             Log.Information("Creating MainWindow...");
+
+            // Import existing instance secrets from Bitwarden (fire-and-forget, non-blocking)
+            _ = Task.Run(async () =>
+            {
+                try
+                {
+                    // Pre-load config settings from Bitwarden so they're available immediately
+                    using var scope = Services.CreateScope();
+                    var settings = scope.ServiceProvider.GetRequiredService<SettingsService>();
+                    await settings.PreloadCacheAsync();
+                    Log.Information("Bitwarden config settings pre-loaded");
+
+                    // Import existing instance secrets that aren't yet tracked
+                    var postInit = Services.GetRequiredService<PostInstanceInitService>();
+                    await postInit.ImportExistingInstanceSecretsAsync();
+                }
+                catch (Exception ex)
+                {
+                    Log.Warning(ex, "Failed to pre-load settings or import instance secrets on startup");
+                }
+            });
+
             var vm = Services.GetRequiredService<MainWindowViewModel>();
             Log.Information("MainWindowViewModel resolved");
 
@@ -75,10 +97,10 @@ public class App : Application
 
     private static void ConfigureServices(IServiceCollection services)
     {
-        // Configuration
+        // Configuration (reloadOnChange so runtime writes to appsettings.json are picked up)
         var config = new ConfigurationBuilder()
             .SetBasePath(AppContext.BaseDirectory)
-            .AddJsonFile("appsettings.json", optional: false)
+            .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
             .Build();
 
         services.AddSingleton<IConfiguration>(config);
@@ -89,6 +111,7 @@ public class App : Application
         services.Configure<XiboOptions>(config.GetSection(XiboOptions.SectionName));
         services.Configure<DatabaseOptions>(config.GetSection(DatabaseOptions.SectionName));
         services.Configure<FileLoggingOptions>(config.GetSection(FileLoggingOptions.SectionName));
+        services.Configure<BitwardenOptions>(config.GetSection(BitwardenOptions.SectionName));
 
         // Logging
         services.AddLogging(builder =>
@@ -115,7 +138,6 @@ public class App : Application
         services.AddHttpClient();
         services.AddHttpClient("XiboApi");
         services.AddHttpClient("XiboHealth");
-        services.AddHttpClient("Bitwarden");
 
         // SSH services (singletons — maintain connections)
         services.AddSingleton<SshConnectionService>();
@@ -137,7 +159,7 @@ public class App : Application
         services.AddSingleton<PostInstanceInitService>();
 
         // ViewModels
-        services.AddTransient<MainWindowViewModel>();
+        services.AddSingleton<MainWindowViewModel>(); // singleton: one main window, nav state shared
         services.AddTransient<HostsViewModel>();
         services.AddTransient<InstancesViewModel>();
         services.AddTransient<InstanceDetailsViewModel>();