feat(kpi): render vision/values/uniqueness/identity indicator sections in budget policy Excel export

Mirrors the existing indicator table layout for the 4 new reference
sections coming from rmutr-api (unit, target value, 3 responsible-role
columns), reusing the same 8-column styling as the strategic indicators.

Controllers/KPI.Controller.cs

@@ -269,10 +269,13 @@ namespace rmutr_report.Controllers
                     }
                     //row++;
                     }
+
+                    WriteReferenceHeaders(ws, _kpi.vision_data, ref row, ref rowno);
+                    WriteReferenceHeaders(ws, _kpi.popularity_data, ref row, ref rowno);
+                    WriteReferenceHeaders(ws, _kpi.uniqueness_data, ref row, ref rowno);
+                    WriteReferenceHeaders(ws, _kpi.identity_data, ref row, ref rowno);
                     }
 
-                    
-                  
                 //}
            // }
 
@@ -287,6 +290,43 @@ namespace rmutr_report.Controllers
                     "kpi_" + date + ".xlsx");
             }
         }
+
+        private void WriteReferenceHeaders(IXLWorksheet ws, List<kpi_reference_header> headers, ref int row, ref int rowno)
+        {
+            if (headers == null) return;
+            foreach (var header in headers)
+            {
+                if (!string.IsNullOrEmpty(header.header_1))
+                {
+                    ws.Cell(row, 1).Value = header.header_1;
+                    ws.Cell(row, 1).Style.Font.Bold = true;
+                    ws.Range(ws.Cell(row, 1), ws.Cell(row, 8)).Merge().Style.Fill.BackgroundColor = XLColor.Bisque;
+                    ws.Range(ws.Cell(row, 1), ws.Cell(row, 8)).Style.Border.OutsideBorder = XLBorderStyleValues.Thin;
+                    ws.Cell(row, 1).Style.Alignment.Horizontal = XLAlignmentHorizontalValues.Left;
+                    row++;
+                }
+                foreach (var data1 in header.data_detail ?? new List<kpi_data_details2>())
+                {
+                    ws.Cell(row, 2).Value = rowno;
+                    ws.Cell(row, 3).Value = data1.name;
+                    ws.Cell(row, 4).Value = data1.unit;
+                    ws.Cell(row, 5).Value = data1.value;
+                    ws.Cell(row, 6).Value = data1.responsible_person;
+                    ws.Cell(row, 7).Value = data1.responsible_work;
+                    ws.Cell(row, 8).Value = data1.collector;
+                    for (var c = 1; c <= 8; c++)
+                    {
+                        ws.Cell(row, c).Style.Border.OutsideBorder = XLBorderStyleValues.Thin;
+                        ws.Cell(row, c).Style.Border.LeftBorder = XLBorderStyleValues.Thin;
+                        ws.Cell(row, c).Style.Border.RightBorder = XLBorderStyleValues.Thin;
+                        ws.Cell(row, c).Style.Alignment.WrapText = true;
+                    }
+                    row++;
+                    rowno++;
+                }
+            }
+        }
+
         [HttpPost, Route("reports/kpi_performance_expenditure_budget/{type}")]
         [ApiExplorerSettings(GroupName = "reports")]
         public IActionResult GetKpiBudgetReport([FromRoute] string type, [FromBody] kpi_performance_expenditure_budget kpiPerformance)

Models/budget/kpi.cs

@@ -8,6 +8,17 @@ namespace rmutr_report.Models
 
         public List<kpi_data_detail> header_data { get; set; }
 
+        public List<kpi_reference_header> vision_data { get; set; }
+        public List<kpi_reference_header> popularity_data { get; set; }
+        public List<kpi_reference_header> uniqueness_data { get; set; }
+        public List<kpi_reference_header> identity_data { get; set; }
+
+    }
+
+    public class kpi_reference_header
+    {
+        public string header_1 { get; set; }
+        public List<kpi_data_details2> data_detail { get; set; }
     }
 
     public class kpi_data_detail