feat: checkpoint compact ordinary source and lossless default preservation

examples/release1/views/diagram_sa_allocation_view.arcadia

@@ -2,20 +2,9 @@ diagram sa_allocation_view "2 · SA service boundary and functions" id "35d3c24b
     description "Teaching view: positions and filters do not change ownership or exchange identities.";
     layer Sa;
     projection Allocation;
-    routes [];
-    view_options {
-        coverage "All";
-        exchange_labels "Name";
-        hidden_edges [];
-        participant_categories "All";
-        relation_kinds "All";
-        work_categories "All";
-        work_contexts "All";
-    };
 }
 
 node sa_allocation_view_sa_assess id "60f6ad74-b69e-5aef-b832-f1bd60b903ae" {
-    collapsed false;
     diagram @sa_allocation_view;
     element @sa_assess;
     position {
@@ -29,7 +18,6 @@ node sa_allocation_view_sa_assess id "60f6ad74-b69e-5aef-b832-f1bd60b903ae" {
 }
 
 node sa_allocation_view_sa_confirm id "7e3ba36f-bc68-5520-bdb9-77083bb7bba2" {
-    collapsed false;
     diagram @sa_allocation_view;
     element @sa_confirm;
     position {
@@ -43,7 +31,6 @@ node sa_allocation_view_sa_confirm id "7e3ba36f-bc68-5520-bdb9-77083bb7bba2" {
 }
 
 node sa_allocation_view_sa_control id "8345c76a-8d85-5c31-902e-ec1cd33ed4a3" {
-    collapsed false;
     diagram @sa_allocation_view;
     element @sa_control;
     position {
@@ -57,7 +44,6 @@ node sa_allocation_view_sa_control id "8345c76a-8d85-5c31-902e-ec1cd33ed4a3" {
 }
 
 node sa_allocation_view_sa_repair id "34630a18-41b0-5fdd-bff4-ee86e93e8651" {
-    collapsed false;
     diagram @sa_allocation_view;
     element @sa_repair;
     position {
@@ -71,7 +57,6 @@ node sa_allocation_view_sa_repair id "34630a18-41b0-5fdd-bff4-ee86e93e8651" {
 }
 
 node sa_allocation_view_sa_reset id "73406244-ebd7-5995-86c7-e17c73c50b32" {
-    collapsed false;
     diagram @sa_allocation_view;
     element @sa_reset;
     position {
@@ -85,7 +70,6 @@ node sa_allocation_view_sa_reset id "73406244-ebd7-5995-86c7-e17c73c50b32" {
 }
 
 node sa_allocation_view_sa_technician id "f7225d1c-e506-505d-bb20-916950269d4b" {
-    collapsed false;
     diagram @sa_allocation_view;
     element @sa_technician;
     position {