SilverBullet pivot to become an offline-first PWA (#403)

plug-api/plugos-syscall/shell.ts

@@ -3,6 +3,6 @@ import { syscall } from "./syscall.ts";
 export function run(
   cmd: string,
   args: string[],
-): Promise<{ stdout: string; stderr: string }> {
+): Promise<{ stdout: string; stderr: string; code: number }> {
   return syscall("shell.run", cmd, args);
 }