Adding migrations and lot of work. Starting work on the demo scope

src/boardDomain.ts

@@ -210,6 +210,7 @@ type LegacyCaseState = {
   sourceTemplateVersionId?: string
   editingAllowed?: boolean
   revision?: number
+  newlyVisibleDocumentIds?: string[]
   exhibits?: Exhibit[]
   views?: BoardView[]
   documents?: Array<Record<string, unknown>>
@@ -240,6 +241,7 @@ export function normalizeCase(input: CaseState | LegacyCaseState): CaseState {
       views: Array.isArray(state.views) && state.views.length ? state.views : [defaultTimelineView(state.timelineRange)],
       exhibits: state.exhibits.map((exhibit, index) => ({ ...exhibit, ...placement(exhibit as unknown as Record<string, unknown>, { width: exhibit.type === 'document' ? 174 : 240, height: exhibit.type === 'document' ? 145 : 160 }, index) })),
       updatedAt: state.updatedAt, levelStatus: state.levelStatus, sourceTemplateVersionId: state.sourceTemplateVersionId, editingAllowed: state.editingAllowed,
+      newlyVisibleDocumentIds: state.newlyVisibleDocumentIds || [],
     }
   }
 
@@ -277,5 +279,6 @@ export function normalizeCase(input: CaseState | LegacyCaseState): CaseState {
     fromExhibitId: String(connection.fromExhibitId || connection.fromEvidenceId), toExhibitId: String(connection.toExhibitId || connection.toEvidenceId) } as Connection))
   return { id: state.id, title: state.title, subtitle: state.subtitle, exhibits: [...documents, ...evidence], relations: derivedRelations, connections,
     views: [defaultTimelineView(state.timelineRange)], viewport: state.viewport, brief: state.brief || { body: '', concepts: [] }, revision: Number(state.revision || 0),
-    updatedAt: state.updatedAt, levelStatus: state.levelStatus, sourceTemplateVersionId: state.sourceTemplateVersionId, editingAllowed: state.editingAllowed }
+    updatedAt: state.updatedAt, levelStatus: state.levelStatus, sourceTemplateVersionId: state.sourceTemplateVersionId, editingAllowed: state.editingAllowed,
+    newlyVisibleDocumentIds: state.newlyVisibleDocumentIds || [] }
 }