实验课现在直接进入普通排课流程，不再要求先到实验排课模块逐个安排。

普通“添加排课”新增“理论课 / 实验课”类型。
自动排课会分别补足理论学时和实验学时。
实验课只能安排到实验室、实训室、机房、语音室等场地。
发布课表时分别校验理论、实验学时；任一未排足都不能发布。
普通课表及 Excel 导出会标注“实验课”。
历史排课保持不变，迁移后默认识别为理论课；后续新建或修订版本时再补充实验课。

src/Jiaowu.Api/Infrastructure/Persistence/DevelopmentSqliteMigrator.cs

@@ -76,6 +76,8 @@ public sealed class DevelopmentSqliteMigrator(
         "20260728_40_experiment_grade_management";
     private const string AppUpdateReleasesMigration =
         "20260729_41_app_update_releases";
+    private const string IntegratedExperimentSchedulingMigration =
+        "20260802_42_integrated_experiment_scheduling";
 
     public async Task MigrateAsync(CancellationToken cancellationToken = default)
     {
@@ -577,6 +579,20 @@ public sealed class DevelopmentSqliteMigrator(
             AppUpdateReleasesMigration,
             AppUpdateReleasesStatements,
             cancellationToken);
+        var scheduleEntryKindExists = await db.Database
+            .SqlQueryRaw<int>(
+                """
+                SELECT COUNT(*) AS "Value"
+                FROM pragma_table_info('ScheduleEntries')
+                WHERE name = 'Kind'
+                """)
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            IntegratedExperimentSchedulingMigration,
+            scheduleEntryKindExists
+                ? []
+                : IntegratedExperimentSchedulingStatements,
+            cancellationToken);
     }
 
     private async Task ApplyMigrationAsync(
@@ -2714,4 +2730,12 @@ public sealed class DevelopmentSqliteMigrator(
         ON "ExperimentGradeItemScores" ("ExperimentGradeItemId");
         """
     ];
+
+    private static readonly string[] IntegratedExperimentSchedulingStatements =
+    [
+        """
+        ALTER TABLE "ScheduleEntries"
+        ADD COLUMN "Kind" INTEGER NOT NULL DEFAULT 1;
+        """
+    ];
 }