diff --git a/dev/storage/src/model.tx.json b/dev/storage/src/model.tx.json
index 5a78c656b3..6ba3aa8a7b 100644
--- a/dev/storage/src/model.tx.json
+++ b/dev/storage/src/model.tx.json
@@ -1,25 +1,25 @@
 [
   {
-    "_id": "61422d0c1c0cd849f2ea7b21",
+    "_id": "6149baa9bcc9961a5b6c74c9",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Obj",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b22",
+    "_id": "6149baa9bcc9961a5b6c74ca",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Doc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -27,13 +27,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b23",
+    "_id": "6149baa9bcc9961a5b6c74cb",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:State",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "state",
@@ -42,13 +42,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b24",
+    "_id": "6149baa9bcc9961a5b6c74cc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Type",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -56,13 +56,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b25",
+    "_id": "6149baa9bcc9961a5b6c74cd",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -70,13 +70,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b26",
+    "_id": "6149baa9bcc9961a5b6c74ce",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Attribute",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -84,13 +84,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b27",
+    "_id": "6149baa9bcc9961a5b6c74cf",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Account",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -99,13 +99,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b28",
+    "_id": "6149baa9bcc9961a5b6c74d0",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Space",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -114,13 +114,27 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b29",
+    "_id": "6149baa9bcc9961a5b6c74d1",
+    "_class": "core:class:TxCreateDoc",
+    "space": "core:space:Tx",
+    "objectId": "core:class:SpaceWithStates",
+    "objectClass": "core:class:Class",
+    "objectSpace": "core:space:Model",
+    "modifiedOn": 1632221865964,
+    "modifiedBy": "core:account:System",
+    "attributes": {
+      "kind": 0,
+      "extends": "core:class:Space"
+    }
+  },
+  {
+    "_id": "6149baa9bcc9961a5b6c74d2",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Tx",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "tx",
@@ -129,13 +143,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2a",
+    "_id": "6149baa9bcc9961a5b6c74d3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxCUD",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -143,13 +157,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2b",
+    "_id": "6149baa9bcc9961a5b6c74d4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxUpdateDoc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -157,13 +171,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2c",
+    "_id": "6149baa9bcc9961a5b6c74d5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxMixin",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -171,13 +185,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2d",
+    "_id": "6149baa9bcc9961a5b6c74d6",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxPutBag",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -185,13 +199,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2e",
+    "_id": "6149baa9bcc9961a5b6c74d7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxCreateDoc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -199,13 +213,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2f",
+    "_id": "6149baa9bcc9961a5b6c74d8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Class",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -214,13 +228,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b30",
+    "_id": "6149baa9bcc9961a5b6c74d9",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Mixin",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -228,13 +242,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b31",
+    "_id": "6149baa9bcc9961a5b6c74da",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:class:Viewlet",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -243,13 +257,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b32",
+    "_id": "6149baa9bcc9961a5b6c74db",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:class:ViewletDescriptor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -258,13 +272,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b33",
+    "_id": "6149baa9bcc9961a5b6c74dc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:ObjectEditor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -272,13 +286,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b34",
+    "_id": "6149baa9bcc9961a5b6c74dd",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:KanbanCard",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -286,13 +300,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b35",
+    "_id": "6149baa9bcc9961a5b6c74de",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:AttributePresenter",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -300,13 +314,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b36",
+    "_id": "6149baa9bcc9961a5b6c74df",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:AttributeEditor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -314,11 +328,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b37",
+    "_id": "6149baa9bcc9961a5b6c74e0",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -328,11 +342,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b38",
+    "_id": "6149baa9bcc9961a5b6c74e1",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -342,11 +356,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b39",
+    "_id": "6149baa9bcc9961a5b6c74e2",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:State",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -356,13 +370,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3a",
+    "_id": "6149baa9bcc9961a5b6c74e3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:viewlet:Table",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Table",
@@ -371,13 +385,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3b",
+    "_id": "6149baa9bcc9961a5b6c74e4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:viewlet:Kanban",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Kanban",
@@ -386,13 +400,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3c",
+    "_id": "6149baa9bcc9961a5b6c74e5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "workbench:mixin:SpaceView",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -400,13 +414,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3d",
+    "_id": "6149baa9bcc9961a5b6c74e6",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "workbench:class:Application",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -415,13 +429,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3e",
+    "_id": "6149baa9bcc9961a5b6c74e7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:EmployeeAccount",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -429,13 +443,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3f",
+    "_id": "6149baa9bcc9961a5b6c74e8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Contact",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "contact",
@@ -444,12 +458,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b40",
-    "objectId": "61422d0c1c0cd849f2ea7b41",
+    "_id": "6149baa9bcc9961a5b6c74e9",
+    "objectId": "6149baa9bcc9961a5b6c74ea",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -462,13 +476,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b42",
+    "_id": "6149baa9bcc9961a5b6c74eb",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Person",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -477,12 +491,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b43",
-    "objectId": "61422d0c1c0cd849f2ea7b44",
+    "_id": "6149baa9bcc9961a5b6c74ec",
+    "objectId": "6149baa9bcc9961a5b6c74ed",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -496,12 +510,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b45",
-    "objectId": "61422d0c1c0cd849f2ea7b46",
+    "_id": "6149baa9bcc9961a5b6c74ee",
+    "objectId": "6149baa9bcc9961a5b6c74ef",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -514,12 +528,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b47",
-    "objectId": "61422d0c1c0cd849f2ea7b48",
+    "_id": "6149baa9bcc9961a5b6c74f0",
+    "objectId": "6149baa9bcc9961a5b6c74f1",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -532,13 +546,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b49",
+    "_id": "6149baa9bcc9961a5b6c74f2",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Employee",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -546,13 +560,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4a",
+    "_id": "6149baa9bcc9961a5b6c74f3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Organization",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -560,13 +574,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4b",
+    "_id": "6149baa9bcc9961a5b6c74f4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:TypeChannels",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -574,13 +588,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4c",
+    "_id": "6149baa9bcc9961a5b6c74f5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:ChannelProvider",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -589,11 +603,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4d",
+    "_id": "6149baa9bcc9961a5b6c74f6",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "objectId": "contact:class:TypeChannels",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -603,13 +617,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4e",
+    "_id": "6149baa9bcc9961a5b6c74f7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:channelProvider:Email",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Email",
@@ -618,13 +632,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4f",
+    "_id": "6149baa9bcc9961a5b6c74f8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b50",
+    "objectId": "6149baa9bcc9961a5b6c74f9",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Phone",
@@ -633,13 +647,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b51",
+    "_id": "6149baa9bcc9961a5b6c74fa",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b52",
+    "objectId": "6149baa9bcc9961a5b6c74fb",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "LinkedIn",
@@ -648,13 +662,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b53",
+    "_id": "6149baa9bcc9961a5b6c74fc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b54",
+    "objectId": "6149baa9bcc9961a5b6c74fd",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Twitter",
@@ -663,13 +677,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b55",
+    "_id": "6149baa9bcc9961a5b6c74fe",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b56",
+    "objectId": "6149baa9bcc9961a5b6c74ff",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Telegram",
@@ -678,13 +692,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b57",
+    "_id": "6149baa9bcc9961a5b6c7500",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:space:Employee",
     "objectClass": "core:class:Space",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "Employees",
@@ -694,11 +708,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b58",
+    "_id": "6149baa9bcc9961a5b6c7501",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "contact:class:Person",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -708,13 +722,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b59",
+    "_id": "6149baa9bcc9961a5b6c7502",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Attachment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "attachment",
@@ -723,13 +737,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5a",
+    "_id": "6149baa9bcc9961a5b6c7503",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Comment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "comment",
@@ -738,12 +752,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5b",
-    "objectId": "61422d0c1c0cd849f2ea7b5c",
+    "_id": "6149baa9bcc9961a5b6c7504",
+    "objectId": "6149baa9bcc9961a5b6c7505",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860618,
+    "modifiedOn": 1632221865890,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -757,13 +771,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5d",
+    "_id": "6149baa9bcc9961a5b6c7506",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Backlink",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -771,13 +785,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5e",
+    "_id": "6149baa9bcc9961a5b6c7507",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Message",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "chunter",
@@ -786,12 +800,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5f",
-    "objectId": "61422d0c1c0cd849f2ea7b60",
+    "_id": "6149baa9bcc9961a5b6c7508",
+    "objectId": "6149baa9bcc9961a5b6c7509",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860618,
+    "modifiedOn": 1632221865890,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -805,13 +819,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b61",
+    "_id": "6149baa9bcc9961a5b6c750a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Channel",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -821,11 +835,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b62",
+    "_id": "6149baa9bcc9961a5b6c750b",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "chunter:class:Channel",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -837,13 +851,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b63",
+    "_id": "6149baa9bcc9961a5b6c750c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:viewlet:Chat",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Chat",
@@ -852,13 +866,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b64",
+    "_id": "6149baa9bcc9961a5b6c750d",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b65",
+    "objectId": "6149baa9bcc9961a5b6c750e",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "chunter:class:Message",
@@ -868,13 +882,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b66",
+    "_id": "6149baa9bcc9961a5b6c750f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b67",
+    "objectId": "6149baa9bcc9961a5b6c7510",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "chunter:string:ApplicationLabelChunter",
@@ -892,13 +906,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b68",
+    "_id": "6149baa9bcc9961a5b6c7511",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b69",
+    "objectId": "6149baa9bcc9961a5b6c7512",
     "objectClass": "chunter:class:Channel",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "general",
@@ -908,13 +922,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6a",
+    "_id": "6149baa9bcc9961a5b6c7513",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b6b",
+    "objectId": "6149baa9bcc9961a5b6c7514",
     "objectClass": "chunter:class:Channel",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "random",
@@ -924,11 +938,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6c",
+    "_id": "6149baa9bcc9961a5b6c7515",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "chunter:class:Attachment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -938,13 +952,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6d",
+    "_id": "6149baa9bcc9961a5b6c7516",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "task:class:Task",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -952,12 +966,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6e",
-    "objectId": "61422d0c1c0cd849f2ea7b6f",
+    "_id": "6149baa9bcc9961a5b6c7517",
+    "objectId": "6149baa9bcc9961a5b6c7518",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -970,12 +984,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b70",
-    "objectId": "61422d0c1c0cd849f2ea7b71",
+    "_id": "6149baa9bcc9961a5b6c7519",
+    "objectId": "6149baa9bcc9961a5b6c751a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -988,12 +1002,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b72",
-    "objectId": "61422d0c1c0cd849f2ea7b73",
+    "_id": "6149baa9bcc9961a5b6c751b",
+    "objectId": "6149baa9bcc9961a5b6c751c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1006,13 +1020,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b74",
+    "_id": "6149baa9bcc9961a5b6c751d",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "task:class:Project",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1022,11 +1036,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b75",
+    "_id": "6149baa9bcc9961a5b6c751e",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "task:class:Project",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1039,13 +1053,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b76",
+    "_id": "6149baa9bcc9961a5b6c751f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b77",
+    "objectId": "6149baa9bcc9961a5b6c7520",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "task:class:Task",
@@ -1063,13 +1077,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b78",
+    "_id": "6149baa9bcc9961a5b6c7521",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b79",
+    "objectId": "6149baa9bcc9961a5b6c7522",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "task:string:ApplicationLabelTask",
@@ -1087,13 +1101,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7a",
+    "_id": "6149baa9bcc9961a5b6c7523",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b7b",
+    "objectId": "6149baa9bcc9961a5b6c7524",
     "objectClass": "task:class:Project",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "demo",
@@ -1103,13 +1117,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7c",
+    "_id": "6149baa9bcc9961a5b6c7525",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Applicant",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "recruit",
@@ -1118,12 +1132,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7d",
-    "objectId": "61422d0c1c0cd849f2ea7b7e",
+    "_id": "6149baa9bcc9961a5b6c7526",
+    "objectId": "6149baa9bcc9961a5b6c7527",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860675,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1136,12 +1150,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7f",
-    "objectId": "61422d0c1c0cd849f2ea7b80",
+    "_id": "6149baa9bcc9961a5b6c7528",
+    "objectId": "6149baa9bcc9961a5b6c7529",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860675,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1154,13 +1168,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b81",
+    "_id": "6149baa9bcc9961a5b6c752a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Candidate",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1169,12 +1183,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b82",
-    "objectId": "61422d0c1c0cd849f2ea7b83",
+    "_id": "6149baa9bcc9961a5b6c752b",
+    "objectId": "6149baa9bcc9961a5b6c752c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860674,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1187,12 +1201,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b84",
-    "objectId": "61422d0c1c0cd849f2ea7b85",
+    "_id": "6149baa9bcc9961a5b6c752d",
+    "objectId": "6149baa9bcc9961a5b6c752e",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860674,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1205,13 +1219,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b86",
+    "_id": "6149baa9bcc9961a5b6c752f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Candidates",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1221,27 +1235,27 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b87",
+    "_id": "6149baa9bcc9961a5b6c7530",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Vacancy",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
-      "extends": "core:class:Space",
+      "extends": "core:class:SpaceWithStates",
       "label": "recruit:string:Vacancy",
       "icon": "recruit:icon:Vacancy"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b88",
+    "_id": "6149baa9bcc9961a5b6c7531",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Vacancy",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1254,11 +1268,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b89",
+    "_id": "6149baa9bcc9961a5b6c7532",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Candidates",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1271,13 +1285,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8a",
+    "_id": "6149baa9bcc9961a5b6c7533",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b8b",
+    "objectId": "6149baa9bcc9961a5b6c7534",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "recruit:string:RecruitApplication",
@@ -1301,13 +1315,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8c",
+    "_id": "6149baa9bcc9961a5b6c7535",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:space:CandidatesPublic",
     "objectClass": "recruit:class:Candidates",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "public",
@@ -1317,13 +1331,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8d",
+    "_id": "6149baa9bcc9961a5b6c7536",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b8e",
+    "objectId": "6149baa9bcc9961a5b6c7537",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Candidate",
@@ -1340,13 +1354,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8f",
+    "_id": "6149baa9bcc9961a5b6c7538",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b90",
+    "objectId": "6149baa9bcc9961a5b6c7539",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Applicant",
@@ -1368,13 +1382,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b91",
+    "_id": "6149baa9bcc9961a5b6c753a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b92",
+    "objectId": "6149baa9bcc9961a5b6c753b",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Applicant",
@@ -1395,11 +1409,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b93",
+    "_id": "6149baa9bcc9961a5b6c753c",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Applicant",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1409,11 +1423,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b94",
+    "_id": "6149baa9bcc9961a5b6c753d",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Candidate",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1423,13 +1437,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b95",
+    "_id": "6149baa9bcc9961a5b6c753e",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "server-core:class:Trigger",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -1438,26 +1452,26 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b96",
+    "_id": "6149baa9bcc9961a5b6c753f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b97",
+    "objectId": "6149baa9bcc9961a5b6c7540",
     "objectClass": "server-core:class:Trigger",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "trigger": "server-chunter:trigger:OnMessage"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b99",
+    "_id": "6149baa9bcc9961a5b6c7542",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b98",
+    "objectId": "6149baa9bcc9961a5b6c7541",
     "objectClass": "contact:class:Employee",
     "objectSpace": "contact:space:Employee",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Rosamund",
@@ -1467,29 +1481,29 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9a",
+    "_id": "6149baa9bcc9961a5b6c7543",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9b",
+    "objectId": "6149baa9bcc9961a5b6c7544",
     "objectClass": "contact:class:EmployeeAccount",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "email": "rosamund@hc.engineering",
-      "employee": "61422d0c1c0cd849f2ea7b98",
+      "employee": "6149baa9bcc9961a5b6c7541",
       "firstName": "Rosamund",
       "lastName": "Chen"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9c",
+    "_id": "6149baa9bcc9961a5b6c7545",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9d",
+    "objectId": "6149baa9bcc9961a5b6c7546",
     "objectClass": "recruit:class:Candidate",
     "objectSpace": "recruit:space:CandidatesPublic",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Andrey",
@@ -1505,13 +1519,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9e",
+    "_id": "6149baa9bcc9961a5b6c7547",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9f",
+    "objectId": "6149baa9bcc9961a5b6c7548",
     "objectClass": "recruit:class:Candidate",
     "objectSpace": "recruit:space:CandidatesPublic",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Marina",
diff --git a/dev/tool/src/model.tx.json b/dev/tool/src/model.tx.json
index 5a78c656b3..6ba3aa8a7b 100644
--- a/dev/tool/src/model.tx.json
+++ b/dev/tool/src/model.tx.json
@@ -1,25 +1,25 @@
 [
   {
-    "_id": "61422d0c1c0cd849f2ea7b21",
+    "_id": "6149baa9bcc9961a5b6c74c9",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Obj",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b22",
+    "_id": "6149baa9bcc9961a5b6c74ca",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Doc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -27,13 +27,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b23",
+    "_id": "6149baa9bcc9961a5b6c74cb",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:State",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "state",
@@ -42,13 +42,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b24",
+    "_id": "6149baa9bcc9961a5b6c74cc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Type",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -56,13 +56,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b25",
+    "_id": "6149baa9bcc9961a5b6c74cd",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -70,13 +70,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b26",
+    "_id": "6149baa9bcc9961a5b6c74ce",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Attribute",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -84,13 +84,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b27",
+    "_id": "6149baa9bcc9961a5b6c74cf",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Account",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -99,13 +99,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b28",
+    "_id": "6149baa9bcc9961a5b6c74d0",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Space",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -114,13 +114,27 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b29",
+    "_id": "6149baa9bcc9961a5b6c74d1",
+    "_class": "core:class:TxCreateDoc",
+    "space": "core:space:Tx",
+    "objectId": "core:class:SpaceWithStates",
+    "objectClass": "core:class:Class",
+    "objectSpace": "core:space:Model",
+    "modifiedOn": 1632221865964,
+    "modifiedBy": "core:account:System",
+    "attributes": {
+      "kind": 0,
+      "extends": "core:class:Space"
+    }
+  },
+  {
+    "_id": "6149baa9bcc9961a5b6c74d2",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Tx",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "tx",
@@ -129,13 +143,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2a",
+    "_id": "6149baa9bcc9961a5b6c74d3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxCUD",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -143,13 +157,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2b",
+    "_id": "6149baa9bcc9961a5b6c74d4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxUpdateDoc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -157,13 +171,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2c",
+    "_id": "6149baa9bcc9961a5b6c74d5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxMixin",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -171,13 +185,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2d",
+    "_id": "6149baa9bcc9961a5b6c74d6",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxPutBag",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -185,13 +199,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2e",
+    "_id": "6149baa9bcc9961a5b6c74d7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxCreateDoc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -199,13 +213,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2f",
+    "_id": "6149baa9bcc9961a5b6c74d8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Class",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -214,13 +228,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b30",
+    "_id": "6149baa9bcc9961a5b6c74d9",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Mixin",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -228,13 +242,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b31",
+    "_id": "6149baa9bcc9961a5b6c74da",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:class:Viewlet",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -243,13 +257,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b32",
+    "_id": "6149baa9bcc9961a5b6c74db",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:class:ViewletDescriptor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -258,13 +272,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b33",
+    "_id": "6149baa9bcc9961a5b6c74dc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:ObjectEditor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -272,13 +286,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b34",
+    "_id": "6149baa9bcc9961a5b6c74dd",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:KanbanCard",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -286,13 +300,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b35",
+    "_id": "6149baa9bcc9961a5b6c74de",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:AttributePresenter",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -300,13 +314,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b36",
+    "_id": "6149baa9bcc9961a5b6c74df",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:AttributeEditor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -314,11 +328,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b37",
+    "_id": "6149baa9bcc9961a5b6c74e0",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -328,11 +342,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b38",
+    "_id": "6149baa9bcc9961a5b6c74e1",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -342,11 +356,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b39",
+    "_id": "6149baa9bcc9961a5b6c74e2",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:State",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -356,13 +370,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3a",
+    "_id": "6149baa9bcc9961a5b6c74e3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:viewlet:Table",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Table",
@@ -371,13 +385,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3b",
+    "_id": "6149baa9bcc9961a5b6c74e4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:viewlet:Kanban",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Kanban",
@@ -386,13 +400,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3c",
+    "_id": "6149baa9bcc9961a5b6c74e5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "workbench:mixin:SpaceView",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -400,13 +414,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3d",
+    "_id": "6149baa9bcc9961a5b6c74e6",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "workbench:class:Application",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -415,13 +429,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3e",
+    "_id": "6149baa9bcc9961a5b6c74e7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:EmployeeAccount",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -429,13 +443,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3f",
+    "_id": "6149baa9bcc9961a5b6c74e8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Contact",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "contact",
@@ -444,12 +458,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b40",
-    "objectId": "61422d0c1c0cd849f2ea7b41",
+    "_id": "6149baa9bcc9961a5b6c74e9",
+    "objectId": "6149baa9bcc9961a5b6c74ea",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -462,13 +476,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b42",
+    "_id": "6149baa9bcc9961a5b6c74eb",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Person",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -477,12 +491,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b43",
-    "objectId": "61422d0c1c0cd849f2ea7b44",
+    "_id": "6149baa9bcc9961a5b6c74ec",
+    "objectId": "6149baa9bcc9961a5b6c74ed",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -496,12 +510,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b45",
-    "objectId": "61422d0c1c0cd849f2ea7b46",
+    "_id": "6149baa9bcc9961a5b6c74ee",
+    "objectId": "6149baa9bcc9961a5b6c74ef",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -514,12 +528,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b47",
-    "objectId": "61422d0c1c0cd849f2ea7b48",
+    "_id": "6149baa9bcc9961a5b6c74f0",
+    "objectId": "6149baa9bcc9961a5b6c74f1",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -532,13 +546,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b49",
+    "_id": "6149baa9bcc9961a5b6c74f2",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Employee",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -546,13 +560,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4a",
+    "_id": "6149baa9bcc9961a5b6c74f3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Organization",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -560,13 +574,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4b",
+    "_id": "6149baa9bcc9961a5b6c74f4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:TypeChannels",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -574,13 +588,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4c",
+    "_id": "6149baa9bcc9961a5b6c74f5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:ChannelProvider",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -589,11 +603,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4d",
+    "_id": "6149baa9bcc9961a5b6c74f6",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "objectId": "contact:class:TypeChannels",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -603,13 +617,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4e",
+    "_id": "6149baa9bcc9961a5b6c74f7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:channelProvider:Email",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Email",
@@ -618,13 +632,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4f",
+    "_id": "6149baa9bcc9961a5b6c74f8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b50",
+    "objectId": "6149baa9bcc9961a5b6c74f9",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Phone",
@@ -633,13 +647,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b51",
+    "_id": "6149baa9bcc9961a5b6c74fa",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b52",
+    "objectId": "6149baa9bcc9961a5b6c74fb",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "LinkedIn",
@@ -648,13 +662,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b53",
+    "_id": "6149baa9bcc9961a5b6c74fc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b54",
+    "objectId": "6149baa9bcc9961a5b6c74fd",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Twitter",
@@ -663,13 +677,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b55",
+    "_id": "6149baa9bcc9961a5b6c74fe",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b56",
+    "objectId": "6149baa9bcc9961a5b6c74ff",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Telegram",
@@ -678,13 +692,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b57",
+    "_id": "6149baa9bcc9961a5b6c7500",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:space:Employee",
     "objectClass": "core:class:Space",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "Employees",
@@ -694,11 +708,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b58",
+    "_id": "6149baa9bcc9961a5b6c7501",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "contact:class:Person",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -708,13 +722,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b59",
+    "_id": "6149baa9bcc9961a5b6c7502",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Attachment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "attachment",
@@ -723,13 +737,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5a",
+    "_id": "6149baa9bcc9961a5b6c7503",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Comment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "comment",
@@ -738,12 +752,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5b",
-    "objectId": "61422d0c1c0cd849f2ea7b5c",
+    "_id": "6149baa9bcc9961a5b6c7504",
+    "objectId": "6149baa9bcc9961a5b6c7505",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860618,
+    "modifiedOn": 1632221865890,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -757,13 +771,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5d",
+    "_id": "6149baa9bcc9961a5b6c7506",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Backlink",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -771,13 +785,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5e",
+    "_id": "6149baa9bcc9961a5b6c7507",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Message",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "chunter",
@@ -786,12 +800,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5f",
-    "objectId": "61422d0c1c0cd849f2ea7b60",
+    "_id": "6149baa9bcc9961a5b6c7508",
+    "objectId": "6149baa9bcc9961a5b6c7509",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860618,
+    "modifiedOn": 1632221865890,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -805,13 +819,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b61",
+    "_id": "6149baa9bcc9961a5b6c750a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Channel",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -821,11 +835,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b62",
+    "_id": "6149baa9bcc9961a5b6c750b",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "chunter:class:Channel",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -837,13 +851,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b63",
+    "_id": "6149baa9bcc9961a5b6c750c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:viewlet:Chat",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Chat",
@@ -852,13 +866,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b64",
+    "_id": "6149baa9bcc9961a5b6c750d",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b65",
+    "objectId": "6149baa9bcc9961a5b6c750e",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "chunter:class:Message",
@@ -868,13 +882,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b66",
+    "_id": "6149baa9bcc9961a5b6c750f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b67",
+    "objectId": "6149baa9bcc9961a5b6c7510",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "chunter:string:ApplicationLabelChunter",
@@ -892,13 +906,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b68",
+    "_id": "6149baa9bcc9961a5b6c7511",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b69",
+    "objectId": "6149baa9bcc9961a5b6c7512",
     "objectClass": "chunter:class:Channel",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "general",
@@ -908,13 +922,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6a",
+    "_id": "6149baa9bcc9961a5b6c7513",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b6b",
+    "objectId": "6149baa9bcc9961a5b6c7514",
     "objectClass": "chunter:class:Channel",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "random",
@@ -924,11 +938,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6c",
+    "_id": "6149baa9bcc9961a5b6c7515",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "chunter:class:Attachment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -938,13 +952,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6d",
+    "_id": "6149baa9bcc9961a5b6c7516",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "task:class:Task",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -952,12 +966,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6e",
-    "objectId": "61422d0c1c0cd849f2ea7b6f",
+    "_id": "6149baa9bcc9961a5b6c7517",
+    "objectId": "6149baa9bcc9961a5b6c7518",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -970,12 +984,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b70",
-    "objectId": "61422d0c1c0cd849f2ea7b71",
+    "_id": "6149baa9bcc9961a5b6c7519",
+    "objectId": "6149baa9bcc9961a5b6c751a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -988,12 +1002,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b72",
-    "objectId": "61422d0c1c0cd849f2ea7b73",
+    "_id": "6149baa9bcc9961a5b6c751b",
+    "objectId": "6149baa9bcc9961a5b6c751c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1006,13 +1020,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b74",
+    "_id": "6149baa9bcc9961a5b6c751d",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "task:class:Project",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1022,11 +1036,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b75",
+    "_id": "6149baa9bcc9961a5b6c751e",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "task:class:Project",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1039,13 +1053,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b76",
+    "_id": "6149baa9bcc9961a5b6c751f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b77",
+    "objectId": "6149baa9bcc9961a5b6c7520",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "task:class:Task",
@@ -1063,13 +1077,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b78",
+    "_id": "6149baa9bcc9961a5b6c7521",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b79",
+    "objectId": "6149baa9bcc9961a5b6c7522",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "task:string:ApplicationLabelTask",
@@ -1087,13 +1101,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7a",
+    "_id": "6149baa9bcc9961a5b6c7523",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b7b",
+    "objectId": "6149baa9bcc9961a5b6c7524",
     "objectClass": "task:class:Project",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "demo",
@@ -1103,13 +1117,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7c",
+    "_id": "6149baa9bcc9961a5b6c7525",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Applicant",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "recruit",
@@ -1118,12 +1132,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7d",
-    "objectId": "61422d0c1c0cd849f2ea7b7e",
+    "_id": "6149baa9bcc9961a5b6c7526",
+    "objectId": "6149baa9bcc9961a5b6c7527",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860675,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1136,12 +1150,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7f",
-    "objectId": "61422d0c1c0cd849f2ea7b80",
+    "_id": "6149baa9bcc9961a5b6c7528",
+    "objectId": "6149baa9bcc9961a5b6c7529",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860675,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1154,13 +1168,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b81",
+    "_id": "6149baa9bcc9961a5b6c752a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Candidate",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1169,12 +1183,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b82",
-    "objectId": "61422d0c1c0cd849f2ea7b83",
+    "_id": "6149baa9bcc9961a5b6c752b",
+    "objectId": "6149baa9bcc9961a5b6c752c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860674,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1187,12 +1201,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b84",
-    "objectId": "61422d0c1c0cd849f2ea7b85",
+    "_id": "6149baa9bcc9961a5b6c752d",
+    "objectId": "6149baa9bcc9961a5b6c752e",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860674,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1205,13 +1219,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b86",
+    "_id": "6149baa9bcc9961a5b6c752f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Candidates",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1221,27 +1235,27 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b87",
+    "_id": "6149baa9bcc9961a5b6c7530",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Vacancy",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
-      "extends": "core:class:Space",
+      "extends": "core:class:SpaceWithStates",
       "label": "recruit:string:Vacancy",
       "icon": "recruit:icon:Vacancy"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b88",
+    "_id": "6149baa9bcc9961a5b6c7531",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Vacancy",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1254,11 +1268,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b89",
+    "_id": "6149baa9bcc9961a5b6c7532",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Candidates",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1271,13 +1285,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8a",
+    "_id": "6149baa9bcc9961a5b6c7533",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b8b",
+    "objectId": "6149baa9bcc9961a5b6c7534",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "recruit:string:RecruitApplication",
@@ -1301,13 +1315,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8c",
+    "_id": "6149baa9bcc9961a5b6c7535",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:space:CandidatesPublic",
     "objectClass": "recruit:class:Candidates",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "public",
@@ -1317,13 +1331,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8d",
+    "_id": "6149baa9bcc9961a5b6c7536",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b8e",
+    "objectId": "6149baa9bcc9961a5b6c7537",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Candidate",
@@ -1340,13 +1354,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8f",
+    "_id": "6149baa9bcc9961a5b6c7538",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b90",
+    "objectId": "6149baa9bcc9961a5b6c7539",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Applicant",
@@ -1368,13 +1382,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b91",
+    "_id": "6149baa9bcc9961a5b6c753a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b92",
+    "objectId": "6149baa9bcc9961a5b6c753b",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Applicant",
@@ -1395,11 +1409,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b93",
+    "_id": "6149baa9bcc9961a5b6c753c",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Applicant",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1409,11 +1423,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b94",
+    "_id": "6149baa9bcc9961a5b6c753d",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Candidate",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1423,13 +1437,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b95",
+    "_id": "6149baa9bcc9961a5b6c753e",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "server-core:class:Trigger",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -1438,26 +1452,26 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b96",
+    "_id": "6149baa9bcc9961a5b6c753f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b97",
+    "objectId": "6149baa9bcc9961a5b6c7540",
     "objectClass": "server-core:class:Trigger",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "trigger": "server-chunter:trigger:OnMessage"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b99",
+    "_id": "6149baa9bcc9961a5b6c7542",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b98",
+    "objectId": "6149baa9bcc9961a5b6c7541",
     "objectClass": "contact:class:Employee",
     "objectSpace": "contact:space:Employee",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Rosamund",
@@ -1467,29 +1481,29 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9a",
+    "_id": "6149baa9bcc9961a5b6c7543",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9b",
+    "objectId": "6149baa9bcc9961a5b6c7544",
     "objectClass": "contact:class:EmployeeAccount",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "email": "rosamund@hc.engineering",
-      "employee": "61422d0c1c0cd849f2ea7b98",
+      "employee": "6149baa9bcc9961a5b6c7541",
       "firstName": "Rosamund",
       "lastName": "Chen"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9c",
+    "_id": "6149baa9bcc9961a5b6c7545",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9d",
+    "objectId": "6149baa9bcc9961a5b6c7546",
     "objectClass": "recruit:class:Candidate",
     "objectSpace": "recruit:space:CandidatesPublic",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Andrey",
@@ -1505,13 +1519,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9e",
+    "_id": "6149baa9bcc9961a5b6c7547",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9f",
+    "objectId": "6149baa9bcc9961a5b6c7548",
     "objectClass": "recruit:class:Candidate",
     "objectSpace": "recruit:space:CandidatesPublic",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Marina",
diff --git a/models/core/src/component.ts b/models/core/src/component.ts
index c56483026d..8b30e41e92 100644
--- a/models/core/src/component.ts
+++ b/models/core/src/component.ts
@@ -14,8 +14,7 @@
 //
 
 import type { Class, Doc, Mixin, Ref, Type } from '@anticrm/core'
-import { coreId } from '@anticrm/core'
-import core from '@anticrm/model'
+import core, { coreId } from '@anticrm/core'
 import { mergeIds } from '@anticrm/platform'
 
 export default mergeIds(coreId, core, {
diff --git a/models/core/src/index.ts b/models/core/src/index.ts
index e296186ecd..fbfb818e3e 100644
--- a/models/core/src/index.ts
+++ b/models/core/src/index.ts
@@ -16,7 +16,7 @@
 import { Builder } from '@anticrm/model'
 import core from './component'
 import { TAttribute, TClass, TDoc, TMixin, TObj, TType, TTypeString } from './core'
-import { TSpace, TAccount, TState } from './security'
+import { TSpace, TAccount, TState, TSpaceWithStates } from './security'
 import { TTx, TTxCreateDoc, TTxMixin, TTxUpdateDoc, TTxCUD, TTxPutBag } from './tx'
 
 export * from './core'
@@ -37,6 +37,7 @@ export function createModel (builder: Builder): void {
     TTxMixin,
     TTxUpdateDoc,
     TSpace,
+    TSpaceWithStates,
     TAccount,
     TAttribute,
     TType,
diff --git a/models/core/src/security.ts b/models/core/src/security.ts
index 7b9e6f848a..3c7de0dfdf 100644
--- a/models/core/src/security.ts
+++ b/models/core/src/security.ts
@@ -21,7 +21,7 @@ import { TDoc } from './core'
 
 export const DOMAIN_STATE = 'state' as Domain
 
-// S E C U R I T Y
+// S P A C E
 
 @Model(core.class.Space, core.class.Doc, DOMAIN_MODEL)
 export class TSpace extends TDoc implements Space {
@@ -38,7 +38,11 @@ export class TAccount extends TDoc implements Account {
 
 @Model(core.class.State, core.class.Doc, DOMAIN_STATE)
 export class TState extends TDoc implements State {
-  machine!: Ref<Space>
   title!: string
   color!: string
 }
+
+@Model(core.class.SpaceWithStates, core.class.Space)
+export class TSpaceWithStates extends TSpace {
+  states!: Arr<Ref<State>>
+}
diff --git a/models/recruit/src/index.ts b/models/recruit/src/index.ts
index 7fbd1e64ab..35789a86ff 100644
--- a/models/recruit/src/index.ts
+++ b/models/recruit/src/index.ts
@@ -16,7 +16,7 @@
 import type { IntlString } from '@anticrm/platform'
 import { Builder, Model, UX, Prop, TypeString, Bag as TypeBag } from '@anticrm/model'
 import type { Ref, FindOptions, Doc, Domain, State, Bag } from '@anticrm/core'
-import core, { TSpace, TDoc } from '@anticrm/model-core'
+import core, { TSpace, TSpaceWithStates, TDoc } from '@anticrm/model-core'
 import type { Vacancy, Candidates, Candidate, Applicant } from '@anticrm/recruit'
 import type { Attachment } from '@anticrm/chunter'
 
@@ -29,9 +29,9 @@ import chunter from '@anticrm/model-chunter'
 
 export const DOMAIN_RECRUIT = 'recruit' as Domain
 
-@Model(recruit.class.Vacancy, core.class.Space)
+@Model(recruit.class.Vacancy, core.class.SpaceWithStates)
 @UX(recruit.string.Vacancy, recruit.icon.Vacancy)
-export class TVacancy extends TSpace implements Vacancy {}
+export class TVacancy extends TSpaceWithStates implements Vacancy {}
 
 @Model(recruit.class.Candidates, core.class.Space)
 @UX(recruit.string.CandidatePools, recruit.icon.RecruitApplication)
diff --git a/packages/core/src/classes.ts b/packages/core/src/classes.ts
index e7870023b6..6005fde6c6 100644
--- a/packages/core/src/classes.ts
+++ b/packages/core/src/classes.ts
@@ -175,7 +175,7 @@ export interface ArrOf<T extends PropertyType> extends Type<T[]> {
  */
 export const DOMAIN_MODEL = 'model' as Domain
 
-// S E C U R I T Y
+// S P A C E
 
 /**
  * @public
@@ -200,7 +200,13 @@ export interface Account extends Doc {
  * @public
  */
 export interface State extends Doc {
-  machine: Ref<Space>
   title: string
   color: string
 }
+
+/**
+ * @public
+ */
+export interface SpaceWithStates extends Space {
+  states: Arr<Ref<State>>
+}
diff --git a/packages/core/src/component.ts b/packages/core/src/component.ts
index 9ec22c694f..08dda38a75 100644
--- a/packages/core/src/component.ts
+++ b/packages/core/src/component.ts
@@ -14,7 +14,7 @@
 //
 import type { Plugin, StatusCode } from '@anticrm/platform'
 import { plugin } from '@anticrm/platform'
-import type { Account, Class, Doc, Obj, Ref, Space, AnyAttribute, State, Type, PropertyType } from './classes'
+import type { Account, Class, Doc, Obj, Ref, Space, AnyAttribute, State, Type, PropertyType, SpaceWithStates } from './classes'
 import type { Tx, TxCreateDoc, TxCUD, TxMixin, TxPutBag, TxRemoveDoc, TxUpdateDoc } from './tx'
 
 /**
@@ -36,6 +36,7 @@ export default plugin(coreId, {
     TxRemoveDoc: '' as Ref<Class<TxRemoveDoc<Doc>>>,
     TxPutBag: '' as Ref<Class<TxPutBag<PropertyType>>>,
     Space: '' as Ref<Class<Space>>,
+    SpaceWithStates: '' as Ref<Class<SpaceWithStates>>,
     Account: '' as Ref<Class<Account>>,
     State: '' as Ref<Class<State>>,
     TypeString: '' as Ref<Class<Type<string>>>,
diff --git a/packages/core/src/operator.ts b/packages/core/src/operator.ts
index ab1fb52d88..5943a4e62c 100644
--- a/packages/core/src/operator.ts
+++ b/packages/core/src/operator.ts
@@ -15,6 +15,7 @@
 //
 
 import type { Doc, PropertyType } from './classes'
+import type { Position } from './tx'
 
 /**
  * @internal
@@ -24,12 +25,25 @@ export type _OperatorFunc = (doc: Doc, op: object) => void
 function $push (document: Doc, keyval: Record<string, PropertyType>): void {
   const doc = document as any
   for (const key in keyval) {
-    const arr = doc[key]
-    if (arr === undefined) {
-      doc[key] = [keyval[key]]
-    } else {
-      arr.push(keyval[key])
+    if (doc[key] === undefined) {
+      doc[key] = []
     }
+    const val = keyval[key]
+    if (typeof val === 'object') {
+      const arr = doc[key] as Array<any>
+      const desc = val as Position<PropertyType>
+      arr.splice(desc.$position, 0, ...desc.$each)
+    } else {
+      doc[key].push(val)
+    }
+  }
+}
+
+function $pull (document: Doc, keyval: Record<string, PropertyType>): void {
+  const doc = document as any
+  for (const key in keyval) {
+    const arr = doc[key] as Array<any>
+    doc[key] = arr.filter(val => val !== keyval[key])
   }
 }
 
@@ -51,6 +65,7 @@ function $pushMixin (document: Doc, options: any): void {
 
 const operators: Record<string, _OperatorFunc> = {
   $push,
+  $pull,
   $pushMixin
 }
 
diff --git a/packages/core/src/tx.ts b/packages/core/src/tx.ts
index 93f07ca95c..8e2417ec48 100644
--- a/packages/core/src/tx.ts
+++ b/packages/core/src/tx.ts
@@ -70,6 +70,21 @@ export type ArrayAsElement<T extends Doc> = {
   [P in keyof T]: T[P] extends Arr<infer X> ? X : never
 }
 
+/**
+ * @public
+ */
+export interface Position<X extends PropertyType> {
+  $each: X[]
+  $position: number
+}
+
+/**
+ * @public
+ */
+export type ArrayAsElementPosition<T extends Doc> = {
+  [P in keyof T]: T[P] extends Arr<infer X> ? X | Position<X> : never
+}
+
 /**
  * @public
  */
@@ -79,7 +94,8 @@ export type OmitNever<T extends object> = Omit<T, KeysByType<T, never>>
  * @public
  */
 export interface PushOptions<T extends Doc> {
-  $push?: Partial<OmitNever<ArrayAsElement<T>>>
+  $push?: Partial<OmitNever<ArrayAsElementPosition<T>>>
+  $pull?: Partial<OmitNever<ArrayAsElement<T>>>
 }
 
 /**
diff --git a/packages/model/src/__tests__/dsl.test.ts b/packages/model/src/__tests__/dsl.test.ts
index 69046d6cc5..67948dd883 100644
--- a/packages/model/src/__tests__/dsl.test.ts
+++ b/packages/model/src/__tests__/dsl.test.ts
@@ -15,7 +15,7 @@
 
 import type { Class, Ref, Obj, Doc } from '@anticrm/core'
 import { Model, Prop, TypeString, Builder } from '../dsl'
-import core from '../component'
+import core from '@anticrm/core'
 
 function removeIds (txes: Doc[]): void {
   txes.forEach((i) => {
diff --git a/packages/model/src/component.ts b/packages/model/src/component.ts
deleted file mode 100644
index a42f8ff898..0000000000
--- a/packages/model/src/component.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-//
-// Copyright © 2020, 2021 Anticrm Platform Contributors.
-//
-// Licensed under the Eclipse Public License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License. You may
-// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-import core, { coreId } from '@anticrm/core'
-import { mergeIds } from '@anticrm/platform'
-
-export default mergeIds(coreId, core, {
-  class: {
-  }
-})
diff --git a/packages/model/src/dsl.ts b/packages/model/src/dsl.ts
index 25c52c5545..06f6316dc9 100644
--- a/packages/model/src/dsl.ts
+++ b/packages/model/src/dsl.ts
@@ -29,12 +29,10 @@ import type {
   Space,
   ExtendedAttributes
 } from '@anticrm/core'
-import { ClassifierKind, IndexKind, generateId, TxFactory } from '@anticrm/core'
+import core, { ClassifierKind, IndexKind, generateId, TxFactory } from '@anticrm/core'
 import type { IntlString, Asset } from '@anticrm/platform'
 import toposort from 'toposort'
 
-import core from './component'
-
 type NoIDs<T extends Tx> = Omit<T, '_id' | 'objectId'>
 
 const targets = new Map<any, Map<string, IndexKind>>()
diff --git a/packages/model/src/index.ts b/packages/model/src/index.ts
index 18b7172492..1058e8d73a 100644
--- a/packages/model/src/index.ts
+++ b/packages/model/src/index.ts
@@ -14,4 +14,3 @@
 //
 
 export * from './dsl'
-export { default } from './component'
diff --git a/packages/presentation/src/utils.ts b/packages/presentation/src/utils.ts
index 34e5fd280d..deec128f87 100644
--- a/packages/presentation/src/utils.ts
+++ b/packages/presentation/src/utils.ts
@@ -55,7 +55,7 @@ class LiveQuery {
   private unsubscribe = () => {}
 
   constructor() { 
-    onDestroy(this.unsubscribe)
+    onDestroy(() => { console.log('onDestroy query'); this.unsubscribe() })
   }
 
   query<T extends Doc>(_class: Ref<Class<T>>, query: DocumentQuery<T>, callback: (result: T[]) => void, options?: FindOptions<T>) {
diff --git a/packages/query/src/index.ts b/packages/query/src/index.ts
index bff9100886..18d0b7cb1e 100644
--- a/packages/query/src/index.ts
+++ b/packages/query/src/index.ts
@@ -83,7 +83,10 @@ export class LiveQuery extends TxProcessor implements Client {
       })
 
     return () => {
+      console.log('queries', this.queries.length)
+      console.log('removing query:', this.queries.indexOf(q))
       this.queries.splice(this.queries.indexOf(q), 1)
+      console.log('queries', this.queries.length)
     }
   }
 
@@ -110,6 +113,7 @@ export class LiveQuery extends TxProcessor implements Client {
   }
 
   protected async txUpdateDoc (tx: TxUpdateDoc<Doc>): Promise<void> {
+    console.log(`updating ${this.queries.length} queries`)
     for (const q of this.queries) {
       if (q.result instanceof Promise) {
         q.result = await q.result
diff --git a/plugins/recruit-resources/src/components/CreateVacancy.svelte b/plugins/recruit-resources/src/components/CreateVacancy.svelte
index 9fc5d245f3..444afab16e 100644
--- a/plugins/recruit-resources/src/components/CreateVacancy.svelte
+++ b/plugins/recruit-resources/src/components/CreateVacancy.svelte
@@ -43,23 +43,36 @@
       name,
       description,
       private: false,
-      members: []
+      members: [],
+      states: []
     })
-    await client.createDoc(core.class.State, id, {
-      machine: id,
+    const s1 = await client.createDoc(core.class.State, id, {
       title: 'Initial',
       color: colors[0]
     })
-    await client.createDoc(core.class.State, id, {
-      machine: id,
-      title: 'Interview',
+    const s2 = await client.createDoc(core.class.State, id, {
+      title: 'Interview 1',
       color: colors[1]
     })
-    await client.createDoc(core.class.State, id, {
-      machine: id,
-      title: 'Final',
+    const s3 = await client.createDoc(core.class.State, id, {
+      title: 'Interview 2',
       color: colors[2]
     })
+    const s4 = await client.createDoc(core.class.State, id, {
+      title: 'Interview 3',
+      color: colors[3]
+    })
+    const s5 = await client.createDoc(core.class.State, id, {
+      title: 'Interview 4',
+      color: colors[4]
+    })
+    const s6 = await client.createDoc(core.class.State, id, {
+      title: 'Final',
+      color: colors[0]
+    })
+    await client.updateDoc(recruit.class.Vacancy, core.space.Model, id, {
+      states: [s1, s2, s3, s4, s5, s6]
+    })
   }
 </script>
 
diff --git a/plugins/recruit/src/index.ts b/plugins/recruit/src/index.ts
index 0f72b52d40..b095c3e211 100644
--- a/plugins/recruit/src/index.ts
+++ b/plugins/recruit/src/index.ts
@@ -15,14 +15,14 @@
 
 import { plugin } from '@anticrm/platform'
 import type { Plugin, Asset } from '@anticrm/platform'
-import type { Space, Doc, Ref, State, Bag } from '@anticrm/core'
+import type { Space, SpaceWithStates, Doc, Ref, State, Bag } from '@anticrm/core'
 import type { Person } from '@anticrm/contact'
 import type { Attachment } from '@anticrm/chunter'
 
 /**
  * @public
  */
-export interface Vacancy extends Space {}
+export interface Vacancy extends SpaceWithStates {}
 
 /**
  * @public
diff --git a/plugins/workbench-resources/src/components/EditStatuses.svelte b/plugins/workbench-resources/src/components/EditStatuses.svelte
index f4c7d09868..1d5b42ee26 100644
--- a/plugins/workbench-resources/src/components/EditStatuses.svelte
+++ b/plugins/workbench-resources/src/components/EditStatuses.svelte
@@ -15,43 +15,103 @@
 -->
 
 <script lang="ts">
-  import type { Ref, Space, State } from '@anticrm/core'
+  import type { Ref, SpaceWithStates, State } from '@anticrm/core'
   import { Dialog } from '@anticrm/ui'
-  import { createQuery } from '@anticrm/presentation'
+  import { createQuery, getClient } from '@anticrm/presentation'
 
   import core from '@anticrm/core'
 
-  export let _id: Ref<Space>
+  export let _id: Ref<SpaceWithStates>
+
+  let space: SpaceWithStates | undefined
 
   let states: State[] = []
+  let elements: HTMLElement[] = []
+
+  const client = getClient()
+
+  function sort(states: State[]): State[] {
+    if (space === undefined || states.length === 0) { return [] }
+    console.log(states)
+    const map = states.reduce((map, state) => { map.set(state._id, state); return map }, new Map<Ref<State>, State>())
+    console.log(space.states)
+    const x = space.states.map(id => map.get(id) as State )
+    // console.log(x)
+    return x
+  }
+
+  const spaceQuery = createQuery()
+  $: spaceQuery.query(core.class.SpaceWithStates, { _id }, result => { space = result[0] })
 
   const query = createQuery()
-  $: query.query(core.class.State, { machine: _id }, result => { states = result })
+  $: query.query(core.class.State, { _id: { $in: space?.states ?? [] } }, result => { states = sort(result) })
 
-  let selected: string | undefined = undefined
+  let selected: number | undefined
+  let dragState: Ref<State>
+  let dragStateInitialPosition: number
+
+  function dragswap(ev: MouseEvent, i: number): boolean {
+    let s = selected as number
+    if (i < s) {
+      return ev.offsetY < elements[i].offsetHeight / 2
+    } else if (i > s) {
+      return ev.offsetY > elements[i].offsetHeight / 2
+    }
+    return false
+  }
+
+  function dragover(ev: MouseEvent, i: number) {
+    let s = selected as number
+    if (dragswap(ev, i)) {
+      const dragover = states[i]
+      const dragging = states[s]
+      states[i] = dragging
+      states[s] = dragover
+      selected = i
+    }
+  }
+
+  async function move(to: number) {
+    await client.updateDoc(core.class.SpaceWithStates, core.space.Model, _id, {
+      $pull: {
+        states: dragState
+      }
+    })
+    await client.updateDoc(core.class.SpaceWithStates, core.space.Model, _id, {
+      $push: {
+        states: {
+          $each: [dragState],
+          $position: to < dragStateInitialPosition ? to : to
+        }
+      }
+    })
+  }
 </script>
 
 
 <Dialog label="Edit Statuses">
-  {#each states as state}
-    <div class="flex-center states" style="background-color: {state.color}" draggable={true}
-      on:dragover|preventDefault={() => {
-        console.log(`Dragging ${selected} over ${state._id} (${state.title})`)
+  {#each states as state, i}
+    {#if state}
+    <div bind:this={elements[i]} class="flex-center states" style="background-color: {state.color}; height: 60px" draggable={true}
+      on:dragover|preventDefault={(ev) => {
+        dragover(ev, i)
       }}
       on:drop|preventDefault={() => {
-        console.log(`Drop ${selected} into ${state._id} (${state.title})`)
+        console.log('DROP')
+        move(i)
       }}
       on:dragstart={() => {
-        selected = state._id
-        console.log('Start dragging: ' + selected)
+        dragStateInitialPosition = selected = i
+        dragState = states[i]._id
       }}
       on:dragend={() => {
-        console.log('End dragging: ' + selected)
+        console.log('DRAGEND')
         selected = undefined
       }}
     >
       {state.title}
     </div>
+    {/if}
   {/each}
 </Dialog>
 
diff --git a/server/workspace/src/model.tx.json b/server/workspace/src/model.tx.json
index 5a78c656b3..6ba3aa8a7b 100644
--- a/server/workspace/src/model.tx.json
+++ b/server/workspace/src/model.tx.json
@@ -1,25 +1,25 @@
 [
   {
-    "_id": "61422d0c1c0cd849f2ea7b21",
+    "_id": "6149baa9bcc9961a5b6c74c9",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Obj",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b22",
+    "_id": "6149baa9bcc9961a5b6c74ca",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Doc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -27,13 +27,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b23",
+    "_id": "6149baa9bcc9961a5b6c74cb",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:State",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "state",
@@ -42,13 +42,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b24",
+    "_id": "6149baa9bcc9961a5b6c74cc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Type",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -56,13 +56,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b25",
+    "_id": "6149baa9bcc9961a5b6c74cd",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -70,13 +70,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b26",
+    "_id": "6149baa9bcc9961a5b6c74ce",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Attribute",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -84,13 +84,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b27",
+    "_id": "6149baa9bcc9961a5b6c74cf",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Account",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -99,13 +99,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b28",
+    "_id": "6149baa9bcc9961a5b6c74d0",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Space",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -114,13 +114,27 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b29",
+    "_id": "6149baa9bcc9961a5b6c74d1",
+    "_class": "core:class:TxCreateDoc",
+    "space": "core:space:Tx",
+    "objectId": "core:class:SpaceWithStates",
+    "objectClass": "core:class:Class",
+    "objectSpace": "core:space:Model",
+    "modifiedOn": 1632221865964,
+    "modifiedBy": "core:account:System",
+    "attributes": {
+      "kind": 0,
+      "extends": "core:class:Space"
+    }
+  },
+  {
+    "_id": "6149baa9bcc9961a5b6c74d2",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Tx",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "tx",
@@ -129,13 +143,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2a",
+    "_id": "6149baa9bcc9961a5b6c74d3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxCUD",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -143,13 +157,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2b",
+    "_id": "6149baa9bcc9961a5b6c74d4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxUpdateDoc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -157,13 +171,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2c",
+    "_id": "6149baa9bcc9961a5b6c74d5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxMixin",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -171,13 +185,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2d",
+    "_id": "6149baa9bcc9961a5b6c74d6",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxPutBag",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -185,13 +199,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2e",
+    "_id": "6149baa9bcc9961a5b6c74d7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:TxCreateDoc",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -199,13 +213,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b2f",
+    "_id": "6149baa9bcc9961a5b6c74d8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Class",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -214,13 +228,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b30",
+    "_id": "6149baa9bcc9961a5b6c74d9",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "core:class:Mixin",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865964,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -228,13 +242,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b31",
+    "_id": "6149baa9bcc9961a5b6c74da",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:class:Viewlet",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -243,13 +257,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b32",
+    "_id": "6149baa9bcc9961a5b6c74db",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:class:ViewletDescriptor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -258,13 +272,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b33",
+    "_id": "6149baa9bcc9961a5b6c74dc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:ObjectEditor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -272,13 +286,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b34",
+    "_id": "6149baa9bcc9961a5b6c74dd",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:KanbanCard",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -286,13 +300,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b35",
+    "_id": "6149baa9bcc9961a5b6c74de",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:AttributePresenter",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -300,13 +314,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b36",
+    "_id": "6149baa9bcc9961a5b6c74df",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:mixin:AttributeEditor",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -314,11 +328,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b37",
+    "_id": "6149baa9bcc9961a5b6c74e0",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -328,11 +342,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b38",
+    "_id": "6149baa9bcc9961a5b6c74e1",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:TypeString",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -342,11 +356,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b39",
+    "_id": "6149baa9bcc9961a5b6c74e2",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "objectId": "core:class:State",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -356,13 +370,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3a",
+    "_id": "6149baa9bcc9961a5b6c74e3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:viewlet:Table",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Table",
@@ -371,13 +385,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3b",
+    "_id": "6149baa9bcc9961a5b6c74e4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "view:viewlet:Kanban",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860682,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Kanban",
@@ -386,13 +400,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3c",
+    "_id": "6149baa9bcc9961a5b6c74e5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "workbench:mixin:SpaceView",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -400,13 +414,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3d",
+    "_id": "6149baa9bcc9961a5b6c74e6",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "workbench:class:Application",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -415,13 +429,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3e",
+    "_id": "6149baa9bcc9961a5b6c74e7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:EmployeeAccount",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -429,13 +443,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b3f",
+    "_id": "6149baa9bcc9961a5b6c74e8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Contact",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "contact",
@@ -444,12 +458,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b40",
-    "objectId": "61422d0c1c0cd849f2ea7b41",
+    "_id": "6149baa9bcc9961a5b6c74e9",
+    "objectId": "6149baa9bcc9961a5b6c74ea",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -462,13 +476,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b42",
+    "_id": "6149baa9bcc9961a5b6c74eb",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Person",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -477,12 +491,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b43",
-    "objectId": "61422d0c1c0cd849f2ea7b44",
+    "_id": "6149baa9bcc9961a5b6c74ec",
+    "objectId": "6149baa9bcc9961a5b6c74ed",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -496,12 +510,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b45",
-    "objectId": "61422d0c1c0cd849f2ea7b46",
+    "_id": "6149baa9bcc9961a5b6c74ee",
+    "objectId": "6149baa9bcc9961a5b6c74ef",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -514,12 +528,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b47",
-    "objectId": "61422d0c1c0cd849f2ea7b48",
+    "_id": "6149baa9bcc9961a5b6c74f0",
+    "objectId": "6149baa9bcc9961a5b6c74f1",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860515,
+    "modifiedOn": 1632221865785,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -532,13 +546,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b49",
+    "_id": "6149baa9bcc9961a5b6c74f2",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Employee",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -546,13 +560,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4a",
+    "_id": "6149baa9bcc9961a5b6c74f3",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:Organization",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -560,13 +574,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4b",
+    "_id": "6149baa9bcc9961a5b6c74f4",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:TypeChannels",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -574,13 +588,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4c",
+    "_id": "6149baa9bcc9961a5b6c74f5",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:class:ChannelProvider",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -589,11 +603,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4d",
+    "_id": "6149baa9bcc9961a5b6c74f6",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "objectId": "contact:class:TypeChannels",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -603,13 +617,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4e",
+    "_id": "6149baa9bcc9961a5b6c74f7",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:channelProvider:Email",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Email",
@@ -618,13 +632,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b4f",
+    "_id": "6149baa9bcc9961a5b6c74f8",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b50",
+    "objectId": "6149baa9bcc9961a5b6c74f9",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Phone",
@@ -633,13 +647,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b51",
+    "_id": "6149baa9bcc9961a5b6c74fa",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b52",
+    "objectId": "6149baa9bcc9961a5b6c74fb",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "LinkedIn",
@@ -648,13 +662,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b53",
+    "_id": "6149baa9bcc9961a5b6c74fc",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b54",
+    "objectId": "6149baa9bcc9961a5b6c74fd",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Twitter",
@@ -663,13 +677,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b55",
+    "_id": "6149baa9bcc9961a5b6c74fe",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b56",
+    "objectId": "6149baa9bcc9961a5b6c74ff",
     "objectClass": "contact:class:ChannelProvider",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Telegram",
@@ -678,13 +692,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b57",
+    "_id": "6149baa9bcc9961a5b6c7500",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "contact:space:Employee",
     "objectClass": "core:class:Space",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865965,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "Employees",
@@ -694,11 +708,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b58",
+    "_id": "6149baa9bcc9961a5b6c7501",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "contact:class:Person",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -708,13 +722,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b59",
+    "_id": "6149baa9bcc9961a5b6c7502",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Attachment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "attachment",
@@ -723,13 +737,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5a",
+    "_id": "6149baa9bcc9961a5b6c7503",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Comment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "comment",
@@ -738,12 +752,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5b",
-    "objectId": "61422d0c1c0cd849f2ea7b5c",
+    "_id": "6149baa9bcc9961a5b6c7504",
+    "objectId": "6149baa9bcc9961a5b6c7505",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860618,
+    "modifiedOn": 1632221865890,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -757,13 +771,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5d",
+    "_id": "6149baa9bcc9961a5b6c7506",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Backlink",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -771,13 +785,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5e",
+    "_id": "6149baa9bcc9961a5b6c7507",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Message",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "chunter",
@@ -786,12 +800,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b5f",
-    "objectId": "61422d0c1c0cd849f2ea7b60",
+    "_id": "6149baa9bcc9961a5b6c7508",
+    "objectId": "6149baa9bcc9961a5b6c7509",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860618,
+    "modifiedOn": 1632221865890,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -805,13 +819,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b61",
+    "_id": "6149baa9bcc9961a5b6c750a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:class:Channel",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -821,11 +835,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b62",
+    "_id": "6149baa9bcc9961a5b6c750b",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "chunter:class:Channel",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -837,13 +851,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b63",
+    "_id": "6149baa9bcc9961a5b6c750c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "chunter:viewlet:Chat",
     "objectClass": "view:class:ViewletDescriptor",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "Chat",
@@ -852,13 +866,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b64",
+    "_id": "6149baa9bcc9961a5b6c750d",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b65",
+    "objectId": "6149baa9bcc9961a5b6c750e",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "chunter:class:Message",
@@ -868,13 +882,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b66",
+    "_id": "6149baa9bcc9961a5b6c750f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b67",
+    "objectId": "6149baa9bcc9961a5b6c7510",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "chunter:string:ApplicationLabelChunter",
@@ -892,13 +906,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b68",
+    "_id": "6149baa9bcc9961a5b6c7511",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b69",
+    "objectId": "6149baa9bcc9961a5b6c7512",
     "objectClass": "chunter:class:Channel",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "general",
@@ -908,13 +922,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6a",
+    "_id": "6149baa9bcc9961a5b6c7513",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b6b",
+    "objectId": "6149baa9bcc9961a5b6c7514",
     "objectClass": "chunter:class:Channel",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "random",
@@ -924,11 +938,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6c",
+    "_id": "6149baa9bcc9961a5b6c7515",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "chunter:class:Attachment",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -938,13 +952,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6d",
+    "_id": "6149baa9bcc9961a5b6c7516",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "task:class:Task",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -952,12 +966,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b6e",
-    "objectId": "61422d0c1c0cd849f2ea7b6f",
+    "_id": "6149baa9bcc9961a5b6c7517",
+    "objectId": "6149baa9bcc9961a5b6c7518",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -970,12 +984,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b70",
-    "objectId": "61422d0c1c0cd849f2ea7b71",
+    "_id": "6149baa9bcc9961a5b6c7519",
+    "objectId": "6149baa9bcc9961a5b6c751a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -988,12 +1002,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b72",
-    "objectId": "61422d0c1c0cd849f2ea7b73",
+    "_id": "6149baa9bcc9961a5b6c751b",
+    "objectId": "6149baa9bcc9961a5b6c751c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860560,
+    "modifiedOn": 1632221865832,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1006,13 +1020,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b74",
+    "_id": "6149baa9bcc9961a5b6c751d",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "task:class:Project",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1022,11 +1036,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b75",
+    "_id": "6149baa9bcc9961a5b6c751e",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "task:class:Project",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1039,13 +1053,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b76",
+    "_id": "6149baa9bcc9961a5b6c751f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b77",
+    "objectId": "6149baa9bcc9961a5b6c7520",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "task:class:Task",
@@ -1063,13 +1077,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b78",
+    "_id": "6149baa9bcc9961a5b6c7521",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b79",
+    "objectId": "6149baa9bcc9961a5b6c7522",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "task:string:ApplicationLabelTask",
@@ -1087,13 +1101,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7a",
+    "_id": "6149baa9bcc9961a5b6c7523",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b7b",
+    "objectId": "6149baa9bcc9961a5b6c7524",
     "objectClass": "task:class:Project",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "demo",
@@ -1103,13 +1117,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7c",
+    "_id": "6149baa9bcc9961a5b6c7525",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Applicant",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "recruit",
@@ -1118,12 +1132,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7d",
-    "objectId": "61422d0c1c0cd849f2ea7b7e",
+    "_id": "6149baa9bcc9961a5b6c7526",
+    "objectId": "6149baa9bcc9961a5b6c7527",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860675,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1136,12 +1150,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b7f",
-    "objectId": "61422d0c1c0cd849f2ea7b80",
+    "_id": "6149baa9bcc9961a5b6c7528",
+    "objectId": "6149baa9bcc9961a5b6c7529",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860675,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1154,13 +1168,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b81",
+    "_id": "6149baa9bcc9961a5b6c752a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Candidate",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1169,12 +1183,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b82",
-    "objectId": "61422d0c1c0cd849f2ea7b83",
+    "_id": "6149baa9bcc9961a5b6c752b",
+    "objectId": "6149baa9bcc9961a5b6c752c",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860674,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1187,12 +1201,12 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b84",
-    "objectId": "61422d0c1c0cd849f2ea7b85",
+    "_id": "6149baa9bcc9961a5b6c752d",
+    "objectId": "6149baa9bcc9961a5b6c752e",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860674,
+    "modifiedOn": 1632221865946,
     "objectSpace": "core:space:Model",
     "objectClass": "core:class:Attribute",
     "attributes": {
@@ -1205,13 +1219,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b86",
+    "_id": "6149baa9bcc9961a5b6c752f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Candidates",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
@@ -1221,27 +1235,27 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b87",
+    "_id": "6149baa9bcc9961a5b6c7530",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:class:Vacancy",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "kind": 0,
-      "extends": "core:class:Space",
+      "extends": "core:class:SpaceWithStates",
       "label": "recruit:string:Vacancy",
       "icon": "recruit:icon:Vacancy"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b88",
+    "_id": "6149baa9bcc9961a5b6c7531",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Vacancy",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1254,11 +1268,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b89",
+    "_id": "6149baa9bcc9961a5b6c7532",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Candidates",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1271,13 +1285,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8a",
+    "_id": "6149baa9bcc9961a5b6c7533",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b8b",
+    "objectId": "6149baa9bcc9961a5b6c7534",
     "objectClass": "workbench:class:Application",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "label": "recruit:string:RecruitApplication",
@@ -1301,13 +1315,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8c",
+    "_id": "6149baa9bcc9961a5b6c7535",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "recruit:space:CandidatesPublic",
     "objectClass": "recruit:class:Candidates",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "name": "public",
@@ -1317,13 +1331,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8d",
+    "_id": "6149baa9bcc9961a5b6c7536",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b8e",
+    "objectId": "6149baa9bcc9961a5b6c7537",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Candidate",
@@ -1340,13 +1354,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b8f",
+    "_id": "6149baa9bcc9961a5b6c7538",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b90",
+    "objectId": "6149baa9bcc9961a5b6c7539",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Applicant",
@@ -1368,13 +1382,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b91",
+    "_id": "6149baa9bcc9961a5b6c753a",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b92",
+    "objectId": "6149baa9bcc9961a5b6c753b",
     "objectClass": "view:class:Viewlet",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "attachTo": "recruit:class:Applicant",
@@ -1395,11 +1409,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b93",
+    "_id": "6149baa9bcc9961a5b6c753c",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Applicant",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1409,11 +1423,11 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b94",
+    "_id": "6149baa9bcc9961a5b6c753d",
     "_class": "core:class:TxMixin",
     "space": "core:space:Tx",
     "modifiedBy": "core:account:System",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "objectId": "recruit:class:Candidate",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
@@ -1423,13 +1437,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b95",
+    "_id": "6149baa9bcc9961a5b6c753e",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
     "objectId": "server-core:class:Trigger",
     "objectClass": "core:class:Class",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "domain": "model",
@@ -1438,26 +1452,26 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b96",
+    "_id": "6149baa9bcc9961a5b6c753f",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b97",
+    "objectId": "6149baa9bcc9961a5b6c7540",
     "objectClass": "server-core:class:Trigger",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865966,
     "modifiedBy": "core:account:System",
     "attributes": {
       "trigger": "server-chunter:trigger:OnMessage"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b99",
+    "_id": "6149baa9bcc9961a5b6c7542",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b98",
+    "objectId": "6149baa9bcc9961a5b6c7541",
     "objectClass": "contact:class:Employee",
     "objectSpace": "contact:space:Employee",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Rosamund",
@@ -1467,29 +1481,29 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9a",
+    "_id": "6149baa9bcc9961a5b6c7543",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9b",
+    "objectId": "6149baa9bcc9961a5b6c7544",
     "objectClass": "contact:class:EmployeeAccount",
     "objectSpace": "core:space:Model",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "email": "rosamund@hc.engineering",
-      "employee": "61422d0c1c0cd849f2ea7b98",
+      "employee": "6149baa9bcc9961a5b6c7541",
       "firstName": "Rosamund",
       "lastName": "Chen"
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9c",
+    "_id": "6149baa9bcc9961a5b6c7545",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9d",
+    "objectId": "6149baa9bcc9961a5b6c7546",
     "objectClass": "recruit:class:Candidate",
     "objectSpace": "recruit:space:CandidatesPublic",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Andrey",
@@ -1505,13 +1519,13 @@
     }
   },
   {
-    "_id": "61422d0c1c0cd849f2ea7b9e",
+    "_id": "6149baa9bcc9961a5b6c7547",
     "_class": "core:class:TxCreateDoc",
     "space": "core:space:Tx",
-    "objectId": "61422d0c1c0cd849f2ea7b9f",
+    "objectId": "6149baa9bcc9961a5b6c7548",
     "objectClass": "recruit:class:Candidate",
     "objectSpace": "recruit:space:CandidatesPublic",
-    "modifiedOn": 1631726860683,
+    "modifiedOn": 1632221865967,
     "modifiedBy": "core:account:System",
     "attributes": {
       "firstName": "Marina",