refactor(db): migrate job workspace notes

Move interview preparation and AI workspace output persistence into an additive provider-aware migration. Preserve reviewed results, uniqueness, and application cascade semantics.

JobTrackerApi/Services/StartupSchemaOwnership.cs

@@ -12,6 +12,7 @@ internal static class StartupSchemaOwnership
         "AccountDeletionFiles",
         "AccountDeletionRequests",
         "AiUsageRecords",
+        "AiWorkspaceNotes",
         "Attachments",
         "Companies",
         "Correspondences",
@@ -22,6 +23,7 @@ internal static class StartupSchemaOwnership
         "GmailConnections",
         "GmailReviewDecisions",
         "ImapConnections",
+        "InterviewPrepNotes",
         "JobApplications",
         "JobEvents",
         "Jobs",
@@ -40,7 +42,6 @@ internal static class StartupSchemaOwnership
     internal static readonly IReadOnlySet<string> ReconcilerOwnedTables = new HashSet<string>(StringComparer.Ordinal)
     {
         "AiInteractions",
-        "AiWorkspaceNotes",
         "ApplicationChecklistItems",
         "AspNetRoleClaims",
         "AspNetRoles",
@@ -61,7 +62,6 @@ internal static class StartupSchemaOwnership
         "CvVariants",
         "CvVariantVersions",
         "InterviewPrepItems",
-        "InterviewPrepNotes",
     };
 
     // Historical migrations contain guarded compatibility bootstraps for these tables so direct