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.Core/Configuration/AppOptions.cs

@@ -47,6 +47,32 @@ public class DatabaseOptions
     public string Provider { get; set; } = "Sqlite";
 }
 
+/// <summary>
+/// Bitwarden Secrets Manager connection settings.
+/// Stored in appsettings.json so they can bootstrap the connection before any other settings are loaded.
+/// </summary>
+public class BitwardenOptions
+{
+    public const string SectionName = "Bitwarden";
+
+    public string IdentityUrl { get; set; } = "https://identity.bitwarden.com";
+    public string ApiUrl { get; set; } = "https://api.bitwarden.com";
+
+    /// <summary>Machine account access token (sensitive — may be set via environment variable).</summary>
+    public string AccessToken { get; set; } = string.Empty;
+
+    public string OrganizationId { get; set; } = string.Empty;
+
+    /// <summary>Project where config secrets are created/listed. Required.</summary>
+    public string ProjectId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Optional separate project for instance-level secrets (DB passwords, Newt credentials, etc.).
+    /// When empty, instance secrets are stored in the default <see cref="ProjectId"/>.
+    /// </summary>
+    public string InstanceProjectId { get; set; } = string.Empty;
+}
+
 public class InstanceDefaultsOptions
 {
     public const string SectionName = "InstanceDefaults";