fix: MudBlazor v8 compatibility, static asset conflict, deploy host domain

- fix CS0542: rename Users/Assets private members to _users/_assets
- fix CS0246: MudDialogInstance -> IMudDialogInstance
- fix AppTheme: PaletteLight/PaletteDark, string[] FontFamily, string typography values
- fix DataCollectionMonitoring: @(ticker.DataPointCount)개 Korean char parsing
- fix SchedulerService: add missing Hangfire namespaces, fix GetJobStatus return type
- fix Program.cs: move PostgreSQL setup above Hangfire registration
- fix ConfirmDialog: BackdropClick, Canceled spelling for MudBlazor v8
- fix static asset conflict: remove wwwroot/_framework from git tracking
- chore: add wwwroot/_framework/ to .gitignore
- ci: change DEPLOY_HOST from IP to quant.taxbaik.com domain

src/dotnet/QuantEngine.Web/Program.cs

@@ -50,17 +50,6 @@ builder.Services.AddAuthorizationCore();
 
 builder.Services.AddMudServices();
 
-// Hangfire Background Job Scheduling
-try
-{
-    var hangfireConnectionString = builder.Configuration.GetConnectionString("HangfireConnection") ?? connectionString;
-    builder.Services.AddHangfireServices(hangfireConnectionString);
-}
-catch (Exception ex)
-{
-    Log.Warning("Hangfire initialization failed: {Message}", ex.Message);
-}
-
 // PostgreSQL Dapper Setup
 var configuredConnectionString = builder.Configuration.GetConnectionString("DefaultConnection");
 var fallbackConnectionString = "Host=127.0.0.1;Database=quantenginedb;Username=quantengine_app;Password=CHANGE_ME;Search Path=quantengine;";
@@ -79,6 +68,17 @@ builder.Services.AddScoped<IPostgresqlHistoryStore, PostgresqlHistoryStore>();
 builder.Services.AddScoped<IPostgresqlHistorySnapshotReader, PostgresqlHistorySnapshotReader>();
 builder.Services.AddScoped<HistoryIngestionService>();
 
+// Hangfire Background Job Scheduling
+try
+{
+    var hangfireConnectionString = builder.Configuration.GetConnectionString("HangfireConnection") ?? connectionString;
+    builder.Services.AddHangfireServices(hangfireConnectionString);
+}
+catch (Exception ex)
+{
+    Log.Warning("Hangfire initialization failed: {Message}", ex.Message);
+}
+
 // Collection Pipeline Services (PostgreSQL-backed implementations)
 builder.Services.AddScoped<ICollectionRepository, CollectionRepository>();
 builder.Services.AddScoped<ITokenCache, PostgresTokenCache>();