Tons of refactoring, moving commands and slash commands into hooks

plugos/syscalls/shell.node.ts

@@ -0,0 +1,20 @@
+import { promisify } from "util";
+import { execFile } from "child_process";
+import type { SysCallMapping } from "../system";
+
+const execFilePromise = promisify(execFile);
+
+export default function (cwd: string): SysCallMapping {
+  return {
+    run: async (
+      ctx,
+      cmd: string,
+      args: string[]
+    ): Promise<{ stdout: string; stderr: string }> => {
+      let { stdout, stderr } = await execFilePromise(cmd, args, {
+        cwd: cwd,
+      });
+      return { stdout, stderr };
+    },
+  };
+}