Now with file counts on the search results! Done for the day.

src/lib/db_events.ts

@@ -278,7 +278,9 @@ export interface Session {
     updated_on: null|Date;
 
     // Additional fields for convenience (database views)
-    file_count: null|number;
+    file_count: null|number; // Only files directly under a session
+    file_count_all: null|number; // All files under a session
+    internal_use_count: null|number; // Files marked for internal use
 
     poc_person_given_name: null|string;
     poc_person_family_name: null|string;