I quite for the night! The presentation list shows now...

src/lib/db_events.ts

@@ -370,8 +370,10 @@ export interface Session {
 
     // A key value list of the presentations
     event_presentation_kv?: null|key_val;
+    event_presentation_li?: null|list;
     // A key value list of the files
     event_file_kv?: null|key_val;
+    event_file_li?: null|list;
 }
 
 
@@ -427,6 +429,7 @@ export interface Presentation {
 
     // A key value list of the presenters
     event_presenter_kv?: null|key_val;
+    event_presenter_li?: null|list;
 }