Sync changes from main to net8 - Applied recent commits, updated versions & framework, preserved .csproj files (#490)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: arcenox

src/TickerQ.Dashboard/Authentication/AuthService.cs

@@ -32,6 +32,12 @@ public async Task<AuthResult> AuthenticateAsync(HttpContext context)
                 return AuthResult.Success("anonymous");
             }
 
+            // Authentication performed by host application
+            if (_config.Mode == AuthMode.Host)
+            {
+                return AuthenticateHostAsync(context);
+            }
+
             // Get authorization header or query parameter
             var authHeader = GetAuthorizationValue(context);
             if (string.IsNullOrEmpty(authHeader))
@@ -45,7 +51,6 @@ public async Task<AuthResult> AuthenticateAsync(HttpContext context)
                 AuthMode.Basic => await AuthenticateBasicAsync(authHeader),
                 AuthMode.ApiKey => await AuthenticateApiKeyAsync(authHeader),
                 AuthMode.Custom => await AuthenticateCustomAsync(authHeader),
-                AuthMode.Host => await AuthenticateHostAsync(context),
                 _ => AuthResult.Failure("Invalid authentication mode")
             };
         }