General clean up related to permissions and updating fields.

src/lib/db_core.ts

@@ -10,8 +10,8 @@ export interface Person {
     person_id: string;
     person_id_random: string;
 
-    external_id?: string;
-    external_sys_id?: string; // Generated by an external system
+    external_id?: string; // This may be semi-random or unique only withing the account.
+    external_sys_id?: string; // Generated by an external system. Ideally this should be something like a UUID. It may be the same as the external_id if nothing given.
     code?: string;
 
     account_id?: string; // Technically this is not required for global users.