layers fix

src/Backend/DiunaBI.UI.Shared/Services/LayerService.cs

@@ -21,11 +21,13 @@ public class LayerService
 
     public async Task<PagedResult<LayerDto>> GetLayersAsync(LayerFilterRequest filterRequest)
     {
-        var query = $"/Layers?start={filterRequest.Page}&limit={filterRequest.PageSize}";
+        // Calculate start index from page number (page 1 = start 0, page 2 = start 50, etc.)
-        
+        var start = (filterRequest.Page - 1) * filterRequest.PageSize;
+        var query = $"/Layers?start={start}&limit={filterRequest.PageSize}";
+
         if (!string.IsNullOrEmpty(filterRequest.Search))
             query += $"&name={Uri.EscapeDataString(filterRequest.Search)}";
-        
+
         /*
         if (type.HasValue)
             query += $"&type={type.Value}";
@@ -33,16 +35,16 @@ public class LayerService
 
         var response = await _httpClient.GetAsync(query);
         response.EnsureSuccessStatusCode();
-        
+
         var json = await response.Content.ReadAsStringAsync();
         var result = JsonSerializer.Deserialize<PagedResult<LayerDto>>(json, _jsonOptions);
-        
+
         return result ?? new PagedResult<LayerDto>();
     }
 
     public async Task<LayerDto?> GetLayerByIdAsync(Guid id)
     {
-        var response = await _httpClient.GetAsync($"/api/Layers/{id}");
+        var response = await _httpClient.GetAsync($"/Layers/{id}");
         
         if (!response.IsSuccessStatusCode)
             return null;