WIP - use objection for record shares

backend/src/models/record-share.model.ts

@@ -21,13 +21,13 @@ export class RecordShare extends BaseModel {
     };
   }
 
-  // Override BaseModel hooks to prevent automatic timestamp handling
-  $beforeInsert(queryContext: any) {
-    // Don't set timestamps - let database defaults handle it
+  // Don't auto-set timestamps - let DB defaults handle them
+  $beforeInsert() {
+    // Don't call super - skip BaseModel's timestamp logic
   }
 
-  $beforeUpdate(opt: any, queryContext: any) {
-    // Don't set timestamps - let database defaults handle it
+  $beforeUpdate() {
+    // Don't call super - skip BaseModel's timestamp logic
   }
 
   id!: string;