feat(admin): stabilize blog and admin patterns

TaxBaik.Web.Client/Services/CategoryBrowserClient.cs

@@ -0,0 +1,35 @@
+namespace TaxBaik.Web.Services;
+
+using System.Net.Http.Json;
+using TaxBaik.Domain.Entities;
+
+public interface ICategoryBrowserClient
+{
+    Task<IReadOnlyList<Category>> GetAllAsync(CancellationToken ct = default);
+}
+
+public class CategoryBrowserClient : ICategoryBrowserClient
+{
+    private readonly HttpClient _http;
+    private readonly ILogger<CategoryBrowserClient> _logger;
+
+    public CategoryBrowserClient(HttpClient http, ILogger<CategoryBrowserClient> logger)
+    {
+        _http = http;
+        _logger = logger;
+    }
+
+    public async Task<IReadOnlyList<Category>> GetAllAsync(CancellationToken ct = default)
+    {
+        try
+        {
+            var result = await _http.GetFromJsonAsync<List<Category>>("category", cancellationToken: ct);
+            return result ?? [];
+        }
+        catch (HttpRequestException ex)
+        {
+            _logger.LogError(ex, "Failed to fetch categories");
+            throw;
+        }
+    }
+}