pp-form-subgrid: single apply-scaffold post-action

src/Dataverse/templates/pp-form-subgrid/.template.config/template.json

@@ -7,7 +7,8 @@
   "description": "Adds a subgrid to a form showing related entity records. Generates row > cell > control. Params: TargetEntityLogicalName, ViewId, RecordsPerPage, EnableQuickFind, EnableViewPicker, EnableChartPicker. Required: FormId, FormType(main/quick), EntityLogicalName, SubgridLabel.",
     "tags": {
         "language": "XML",
-        "type": "item"
+        "type": "item",
+        "componentType": "FormSubgrid"
     },
     "sourceName": "subgridconfig",
     "preferNameDirectory": false,
@@ -177,31 +178,16 @@
             "actionId": "3A7C4B45-1F5D-4A30-959A-51B88E82B5D2",
             "args": {
                 "executable": "pwsh",
-                "args": "-noprofile -executionpolicy bypass -File \"./.template.scripts/add.ps1\" ",
+                "args": "-noprofile -executionpolicy bypass -File \"./.template.scripts/ApplyScaffold.ps1\"",
                 "redirectStandardOutput": "false"
             },
             "manualInstructions": [
                 {
-                    "text": "Adding new row to form"
+                    "text": "Applying the subgrid scaffold via 'txc workspace component apply-scaffold'"
                 }
             ],
             "continueOnError": false,
-            "description": "Adding new row to form"
-        },
-        {
-            "actionId": "3A7C4B45-1F5D-4A30-959A-51B88E82B5D2",
-            "args": {
-                "executable": "pwsh",
-                "args": "-noprofile -executionpolicy bypass -File \"./.template.scripts/Cleanup.ps1\"",
-                "redirectStandardOutput": "false"
-            },
-            "manualInstructions": [
-                {
-                    "text": "Removing Scripts"
-                }
-            ],
-            "continueOnError": false,
-            "description": "Removing Scripts"
+            "description": "Applying the subgrid scaffold via the TALXIS CLI"
         }
     ]
 }

src/Dataverse/templates/pp-form-subgrid/.template.scripts/ApplyScaffold.ps1

@@ -0,0 +1,16 @@
+$ErrorActionPreference = 'Stop'
+
+# Single interim post-action: all XML mutations run in-process inside the TALXIS CLI
+# (txc workspace component apply-scaffold), backed by the platform metadata library.
+
+& txc workspace component apply-scaffold `
+    --component-type 'FormSubgrid' `
+    --solution-root '__solution-declarations-root__' `
+    --file 'row=.template.temp/subgrid.xml' `
+    --param 'entity=__entity-logical-name__' `
+    --param 'form-type=__form-type__' `
+    --param 'form-id=__form-id__'
+if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+
+Remove-Item .template.scripts -Recurse -Force
+Remove-Item .template.temp -Recurse -Force