Refactor scala base db migrations. Add marker trait for task args

modules/common/src/main/scala/docspell/common/AllPreviewsArgs.scala

@@ -18,7 +18,7 @@ import io.circe.{Decoder, Encoder}
 case class AllPreviewsArgs(
     collective: Option[CollectiveId],
     storeMode: MakePreviewArgs.StoreMode
-)
+) extends TaskArguments
 
 object AllPreviewsArgs {
 

modules/common/src/main/scala/docspell/common/ConvertAllPdfArgs.scala

@@ -16,7 +16,7 @@ import io.circe.generic.semiauto._
   * submitted by this task run in the realm of the collective (and only their files are
   * considered). If it is empty, it is a system task and all files are considered.
   */
-case class ConvertAllPdfArgs(collective: Option[CollectiveId])
+case class ConvertAllPdfArgs(collective: Option[CollectiveId]) extends TaskArguments
 
 object ConvertAllPdfArgs {
 

modules/common/src/main/scala/docspell/common/EmptyTrashArgs.scala

@@ -20,7 +20,7 @@ import io.circe.generic.semiauto._
 case class EmptyTrashArgs(
     collective: CollectiveId,
     minAge: Duration
-) {
+) extends TaskArguments {
 
   def makeSubject: String =
     s"Empty Trash: Remove older than ${minAge.toJava}"

modules/common/src/main/scala/docspell/common/FileCopyTaskArgs.scala

@@ -22,6 +22,7 @@ import io.circe.{Decoder, Encoder}
   * selecting "all", it means all enabled stores.
   */
 final case class FileCopyTaskArgs(from: Option[Ident], to: Selection)
+    extends TaskArguments
 
 object FileCopyTaskArgs {
   val taskName = Ident.unsafe("copy-file-repositories")

modules/common/src/main/scala/docspell/common/FileIntegrityCheckArgs.scala

@@ -9,7 +9,7 @@ package docspell.common
 import io.circe.generic.semiauto.{deriveDecoder, deriveEncoder}
 import io.circe.{Decoder, Encoder}
 
-final case class FileIntegrityCheckArgs(pattern: FileKeyPart) {}
+final case class FileIntegrityCheckArgs(pattern: FileKeyPart) extends TaskArguments
 
 object FileIntegrityCheckArgs {
   val taskName: Ident = Ident.unsafe("all-file-integrity-check")

modules/common/src/main/scala/docspell/common/ItemAddonTaskArgs.scala

@@ -18,7 +18,7 @@ final case class ItemAddonTaskArgs(
     collective: CollectiveId,
     itemId: Ident,
     addonRunConfigs: Set[Ident]
-)
+) extends TaskArguments
 
 object ItemAddonTaskArgs {
   val taskName: Ident = Ident.unsafe("addon-existing-item")

modules/common/src/main/scala/docspell/common/LearnClassifierArgs.scala

@@ -19,11 +19,10 @@ import io.circe.generic.semiauto._
   */
 case class LearnClassifierArgs(
     collectiveId: CollectiveId
-) {
+) extends TaskArguments {
 
   def makeSubject: String =
     "Learn tags"
-
 }
 
 object LearnClassifierArgs {

modules/common/src/main/scala/docspell/common/MakePageCountArgs.scala

@@ -14,7 +14,7 @@ import io.circe.{Decoder, Encoder}
   */
 case class MakePageCountArgs(
     attachment: Ident
-)
+) extends TaskArguments
 
 object MakePageCountArgs {
 

modules/common/src/main/scala/docspell/common/MakePreviewArgs.scala

@@ -16,7 +16,7 @@ import io.circe.{Decoder, Encoder}
 case class MakePreviewArgs(
     attachment: Ident,
     store: MakePreviewArgs.StoreMode
-)
+) extends TaskArguments
 
 object MakePreviewArgs {
 

modules/common/src/main/scala/docspell/common/ProcessItemArgs.scala

@@ -22,7 +22,7 @@ import io.circe.generic.semiauto._
   *
   * It is also re-used by the 'ReProcessItem' task.
   */
-case class ProcessItemArgs(meta: ProcessMeta, files: List[File]) {
+case class ProcessItemArgs(meta: ProcessMeta, files: List[File]) extends TaskArguments {
 
   def makeSubject: String =
     files.flatMap(_.name) match {

modules/common/src/main/scala/docspell/common/ReIndexTaskArgs.scala

@@ -9,7 +9,7 @@ package docspell.common
 import io.circe._
 import io.circe.generic.semiauto._
 
-final case class ReIndexTaskArgs(collective: Option[CollectiveId])
+final case class ReIndexTaskArgs(collective: Option[CollectiveId]) extends TaskArguments
 
 object ReIndexTaskArgs {
   val taskName = Ident.unsafe("full-text-reindex")

modules/common/src/main/scala/docspell/common/ReProcessItemArgs.scala

@@ -16,6 +16,7 @@ import io.circe.{Decoder, Encoder}
   * list is empty, then all attachments are re-processed.
   */
 case class ReProcessItemArgs(itemId: Ident, attachments: List[Ident])
+    extends TaskArguments
 
 object ReProcessItemArgs {
 

modules/common/src/main/scala/docspell/common/ScanMailboxArgs.scala

@@ -49,7 +49,7 @@ case class ScanMailboxArgs(
     postHandleAll: Option[Boolean],
     // Exclude the mail body when importing
     attachmentsOnly: Option[Boolean]
-)
+) extends TaskArguments
 
 object ScanMailboxArgs {
 

modules/common/src/main/scala/docspell/common/ScheduledAddonTaskArgs.scala

@@ -10,6 +10,7 @@ import io.circe.generic.semiauto.{deriveDecoder, deriveEncoder}
 import io.circe.{Decoder, Encoder}
 
 final case class ScheduledAddonTaskArgs(collective: CollectiveId, addonTaskId: Ident)
+    extends TaskArguments
 
 object ScheduledAddonTaskArgs {
   val taskName: Ident = Ident.unsafe("addon-scheduled-task")

modules/common/src/main/scala/docspell/common/TaskArguments.scala

@@ -0,0 +1,8 @@
+package docspell.common
+
+/** A marker trait for task arguments.
+  *
+  * Arguments for tasks are stored as a JSON blob in the database. Changes in structure
+  * requires a corresponding database migration.
+  */
+trait TaskArguments