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/Services/IDockerCliService.cs

@@ -3,6 +3,9 @@ using OTSSignsOrchestrator.Core.Models.DTOs;
 
 namespace OTSSignsOrchestrator.Core.Services;
 
+// Re-export for convenience so consumers only need one using
+using ServiceLogEntry = OTSSignsOrchestrator.Core.Models.DTOs.ServiceLogEntry;
+
 /// <summary>
 /// Abstraction for Docker CLI stack operations (deploy, remove, list, inspect).
 /// Implementations may use local docker CLI or SSH-based remote execution.
@@ -87,6 +90,13 @@ public interface IDockerCliService
     /// <paramref name="oldSecretName"/> when null, keeping the same /run/secrets/ filename).
     /// </summary>
     Task<bool> ServiceSwapSecretAsync(string serviceName, string oldSecretName, string newSecretName, string? targetAlias = null);
+
+    /// <summary>
+    /// Fetches the last <paramref name="tailLines"/> log lines from a Docker Swarm service.
+    /// If <paramref name="serviceName"/> is null, fetches logs from all services in the stack.
+    /// Returns parsed log entries sorted by timestamp ascending.
+    /// </summary>
+    Task<List<ServiceLogEntry>> GetServiceLogsAsync(string stackName, string? serviceName = null, int tailLines = 200);
 }
 
 public class StackInfo