feat: checkpoint compact ordinary source and lossless default preservation

examples/release1/views/diagram_sa_capability_view.arcadia

@@ -2,20 +2,9 @@ diagram sa_capability_view "4 · SA mission and included capability" id "3e6ad19
     description "Teaching view: positions and filters do not change ownership or exchange identities.";
     layer Sa;
     projection Capabilities;
-    routes [];
-    view_options {
-        coverage "All";
-        exchange_labels "Name";
-        hidden_edges [];
-        participant_categories "All";
-        relation_kinds "All";
-        work_categories "All";
-        work_contexts "All";
-    };
 }
 
 node sa_capability_view_sa_control id "41ddb68b-bd2b-5f91-82eb-efde01157828" {
-    collapsed false;
     diagram @sa_capability_view;
     element @sa_control;
     position {
@@ -29,7 +18,6 @@ node sa_capability_view_sa_control id "41ddb68b-bd2b-5f91-82eb-efde01157828" {
 }
 
 node sa_capability_view_sa_mission id "4b814335-bf98-5b68-85d5-ea549766517a" {
-    collapsed false;
     diagram @sa_capability_view;
     element @sa_mission;
     position {
@@ -43,7 +31,6 @@ node sa_capability_view_sa_mission id "4b814335-bf98-5b68-85d5-ea549766517a" {
 }
 
 node sa_capability_view_sa_restore id "d3bc13f9-7726-5280-83fe-63f391c45afb" {
-    collapsed false;
     diagram @sa_capability_view;
     element @sa_restore;
     position {
@@ -57,7 +44,6 @@ node sa_capability_view_sa_restore id "d3bc13f9-7726-5280-83fe-63f391c45afb" {
 }
 
 node sa_capability_view_sa_triage id "069a3fb3-077c-59d8-91da-27b0665143c7" {
-    collapsed false;
     diagram @sa_capability_view;
     element @sa_triage;
     position {