fix(cli): respect platform shell for --on-complete

src/cli/run/on-complete-hook.ts

@@ -1,5 +1,5 @@
 import { spawnWithWindowsHide } from "../../shared/spawn-with-windows-hide"
-import { log } from "../../shared"
+import { detectShellType, log } from "../../shared"
 
 async function readOutput(
   stream: ReadableStream<Uint8Array> | undefined,
@@ -20,6 +20,24 @@ async function readOutput(
   }
 }
 
+function resolveHookShellCommand(command: string): string[] {
+  const shellType = detectShellType()
+
+  switch (shellType) {
+    case "powershell": {
+      const powershellExecutable = process.platform === "win32" ? "powershell.exe" : "pwsh"
+      return [powershellExecutable, "-NoProfile", "-Command", command]
+    }
+    case "cmd":
+      return [process.env.ComSpec || "cmd.exe", "/d", "/s", "/c", command]
+    case "csh":
+      return ["csh", "-c", command]
+    case "unix":
+    default:
+      return ["sh", "-c", command]
+  }
+}
+
 export async function executeOnCompleteHook(options: {
   command: string
   sessionId: string
@@ -37,7 +55,8 @@ export async function executeOnCompleteHook(options: {
   log("Running on-complete hook", { command: trimmedCommand })
 
   try {
-    const proc = spawnWithWindowsHide(["sh", "-c", trimmedCommand], {
+    const shellCommand = resolveHookShellCommand(trimmedCommand)
+    const proc = spawnWithWindowsHide(shellCommand, {
       env: {
         ...process.env,
         SESSION_ID: sessionId,