fix: use cedlab_Chart_UL2 (new SP, don't modify UL1); add correct SQL scripts with Prices table

CertReports.Syncfusion/Services/Implementations/ChartDataServiceV2.cs

@@ -33,10 +33,10 @@ public class ChartDataServiceV2 : IChartDataServiceV2
         await using var conn = new SqlConnection(_connectionString);
         await conn.OpenAsync();
 
-        // ── 1. Metadata sottostanti (cedlab_Chart_UL1) ─────────────────
+        // ── 1. Metadata sottostanti (cedlab_Chart_UL2) ─────────────────
         var underlyings = new List<ChartUlMetadata>();
 
-        await using (var cmd = new SqlCommand("cedlab_Chart_UL1", conn)
+        await using (var cmd = new SqlCommand("cedlab_Chart_UL2", conn)
             { CommandType = CommandType.StoredProcedure })
         {
             cmd.Parameters.AddWithValue("@isin", isin);