refactor(dotnet): separate collection read model service

src/dotnet/QuantEngine.Web/Pages/Admin/Dashboard/Index.cshtml.cs

@@ -2,6 +2,7 @@ using System.IO;
 using System.Reflection;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc.RazorPages;
+using QuantEngine.Application.Interfaces;
 using QuantEngine.Core.Interfaces;
 using QuantEngine.Web.Services;
 
@@ -11,7 +12,7 @@ namespace QuantEngine.Web.Pages.Admin.Dashboard;
 public class IndexModel : PageModel
 {
     private readonly IWorkspaceRepository _workspaceRepository;
-    private readonly ICollectionRepository _collectionRepository;
+    private readonly ICollectionReadModelService _collectionReadModelService;
     private readonly IWebHostEnvironment _environment;
     private readonly ILogger<IndexModel> _logger;
 
@@ -95,12 +96,12 @@ public class IndexModel : PageModel
 
     public IndexModel(
         IWorkspaceRepository workspaceRepository,
-        ICollectionRepository collectionRepository,
+        ICollectionReadModelService collectionReadModelService,
         IWebHostEnvironment environment,
         ILogger<IndexModel> logger)
     {
         _workspaceRepository = workspaceRepository;
-        _collectionRepository = collectionRepository;
+        _collectionReadModelService = collectionReadModelService;
         _environment = environment;
         _logger = logger;
     }
@@ -112,7 +113,7 @@ public class IndexModel : PageModel
             var accounts = await _workspaceRepository.GetAccountsAsync();
             ActiveUsersCount = accounts.Count(a => string.Equals(a.IsActive, "true", StringComparison.OrdinalIgnoreCase));
 
-            var dashboard = await _collectionRepository.GetDashboardStateAsync();
+            var dashboard = await _collectionReadModelService.GetDashboardStateAsync();
             RecentRunsCount = string.IsNullOrEmpty(dashboard?.LastRunId) ? 0 : 1;
 
             // These two queries only complete if the DB round-trip actually