考试按实际日期、周次和节次融入周/日/总视图，并用橙色“考试”卡片区分。

即使固定课表尚未发布，只要考试已发布，也能正常显示。
考试计划、考场、监考教师和日期都会显示。
Excel 导出同步包含考试安排。

tests/Jiaowu.Api.Tests/TimetableExcelExporterTests.cs

@@ -7,7 +7,7 @@ namespace Jiaowu.Api.Tests;
 public sealed class TimetableExcelExporterTests
 {
     [Fact]
-    public void Create_builds_week_grid_and_flexible_course_section()
+    public void Create_builds_week_grid_with_exam_and_flexible_course_section()
     {
         var timetable = new TimetableData(
             new TimetableTermDto(
@@ -84,7 +84,31 @@ public sealed class TimetableExcelExporterTests
                     ["计算机科学 2601 班"],
                     null)
             ],
-            []);
+            [
+                new TimetableEntryDto(
+                    Guid.NewGuid(),
+                    Guid.NewGuid(),
+                    "TASK-EXAM",
+                    "高等数学期末考试",
+                    "MATH101",
+                    "高等数学",
+                    ["张老师", "监考：李老师"],
+                    ["计算机科学 2601 班"],
+                    "201",
+                    "第二教学楼",
+                    "主校区",
+                    2,
+                    1,
+                    1,
+                    1,
+                    1,
+                    WeekPattern.All,
+                    null,
+                    true,
+                    "2026-2027 学年第一学期期末考试",
+                    new DateOnly(2027, 1, 5),
+                    DateTime.UtcNow)
+            ]);
 
         var bytes = TimetableExcelExporter.Create(timetable);
 
@@ -92,7 +116,10 @@ public sealed class TimetableExcelExporterTests
         using var workbook = new XLWorkbook(stream);
         var sheet = workbook.Worksheet("课表");
         Assert.Contains("计算机科学 2601 班", sheet.Cell("A1").GetString());
+        Assert.Contains("已融入 1 场考试", sheet.Cell("A2").GetString());
         Assert.Contains("高等数学", sheet.Cell(5, 2).GetString());
+        Assert.Contains("【考试】高等数学", sheet.Cell(5, 3).GetString());
+        Assert.Contains("2027-01-05", sheet.Cell(5, 3).GetString());
         Assert.Contains(
             sheet.CellsUsed(),
             cell => cell.GetString().Contains("非排时课程"));