Use HandlerErrorException to surface error to user

JustinGrote · Copilot · web-flow · commit 07cf2ea268c1 · 2026-05-01T17:07:00.000-07:00
Co-authored-by: Copilot Autofix powered by AI &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/src/PowerShellEditorServices/Services/TextDocument/RenameService.cs b/src/PowerShellEditorServices/Services/TextDocument/RenameService.cs
@@ -483,7 +483,7 @@ private TextEdit GetRenameVariableEdit(Ast ast)
                     Range = new ScriptExtentAdapter(stringAst.Extent)
                 },
             CommandParameterAst param => !IsValidCommandParameterName(NewName)
-                ? throw new Exception($"-{NewName} is not a valid command parameter name.")
+                ? throw new HandlerErrorException($"-{NewName} is not a valid command parameter name.")
                 : new TextEdit
                 {
                     NewText = '-' + NewName,

Original file line number	Diff line number	Diff line change
`@@ -483,7 +483,7 @@ private TextEdit GetRenameVariableEdit(Ast ast)`
`483`	`483`	`Range = new ScriptExtentAdapter(stringAst.Extent)`
`484`	`484`	`},`
`485`	`485`	`CommandParameterAst param => !IsValidCommandParameterName(NewName)`
`486`		`- ? throw new Exception($"-{NewName} is not a valid command parameter name.")`
	`486`	`+ ? throw new HandlerErrorException($"-{NewName} is not a valid command parameter name.")`
`487`	`487`	`: new TextEdit`
`488`	`488`	`{`
`489`	`489`	`NewText = '-' + NewName,`