fix: render pwsh and powershell tools correctly in UI

This fixes regressions from splitting the shell tools where powershell commands were missing their native exit codes and their correct UI rendering.

packages/ui/src/components/message-part.tsx

@@ -269,6 +269,8 @@ export type ToolInfo = {
   subtitle?: string
 }
 
+const SHELL = new Set(["bash", "pwsh", "powershell"])
+
 function agentTitle(i18n: UiI18n, type?: string) {
   if (!type) return i18n.t("ui.tool.agent.default")
   return i18n.t("ui.tool.agent", { type })
@@ -331,6 +333,8 @@ export function getToolInfo(tool: string, input: any = {}): ToolInfo {
       }
     }
     case "bash":
+    case "pwsh":
+    case "powershell":
       return {
         icon: "console",
         title: i18n.t("ui.tool.shell"),
@@ -518,7 +522,7 @@ function renderable(part: PartType, showReasoningSummaries = true) {
 }
 
 function toolDefaultOpen(tool: string, shell = false, edit = false) {
-  if (tool === "bash") return shell
+  if (SHELL.has(tool)) return shell
   if (tool === "edit" || tool === "write" || tool === "apply_patch") return edit
 }