feat(applications): preserve submitted packages

JobTrackerApi.Tests/MigrationChainTests.cs

@@ -30,6 +30,10 @@ public sealed class MigrationChainTests
             SELECT COUNT(*) FROM sqlite_master
             WHERE type = 'table' AND name IN ('AspNetUsers', 'AiInteractions', 'AiUsageRecords');
             """));
+        Assert.Equal(2, await ScalarAsync<long>(connection, """
+            SELECT COUNT(*) FROM sqlite_master
+            WHERE type = 'table' AND name IN ('SubmittedApplicationPackages', 'SubmittedPackageAttachments');
+            """));
         Assert.Equal(10, await ScalarAsync<long>(connection, """
             SELECT COUNT(*) FROM pragma_table_info('JobApplications')
             WHERE name IN ('OwnerUserId', 'ShortSummary', 'TailoredCvText', 'TailoredCvUpdatedAt',
@@ -117,6 +121,8 @@ public sealed class MigrationChainTests
         Assert.Contains("CREATE TABLE IF NOT EXISTS `CvVariantVersions`", script, StringComparison.Ordinal);
         Assert.Contains("CREATE TABLE IF NOT EXISTS `ApplicationChecklistItems`", script, StringComparison.Ordinal);
         Assert.Contains("CREATE TABLE IF NOT EXISTS `CoverLetterVersions`", script, StringComparison.Ordinal);
+        Assert.Contains("CREATE TABLE IF NOT EXISTS `SubmittedApplicationPackages`", script, StringComparison.Ordinal);
+        Assert.Contains("CREATE TABLE IF NOT EXISTS `SubmittedPackageAttachments`", script, StringComparison.Ordinal);
         Assert.Contains("CREATE TABLE IF NOT EXISTS `InterviewPrepItems`", script, StringComparison.Ordinal);
         Assert.Contains("CREATE TABLE IF NOT EXISTS `CareerProfiles`", script, StringComparison.Ordinal);
         Assert.Contains("CREATE TABLE IF NOT EXISTS `CareerProfileVersions`", script, StringComparison.Ordinal);