sync: sync wip stuff

src/program/Program.ts

@@ -1,5 +1,11 @@
+import type { Item } from "../fs/Item"
 import type { SimpleStream } from "../utils/SimpleStream"
 
 export abstract class Program {
-    abstract Exec(stdin: SimpleStream<string>, stdout: SimpleStream<string>, args: string[]): Promise<number>
+    abstract Exec(
+        stdin: SimpleStream<string>,
+        stdout: SimpleStream<string>,
+        workdir: Item,
+        args: string[]
+    ): Promise<number>
 }