Prefer designs that avoid unnecessary resource usage—especially filesystem churn and redundant persistence/reload.

• For temporary artifacts, use the OS-managed temp directory (so cleanup is automatic) rather than creating long-lived app-specific temp folders.
• For state updates, follow the existing established setXXX patterns: don’t introduce redundant save()/reload cycles when a simple in-memory update (or the same approach used elsewhere) suffices.

Example (OS temp dir for temporary work):

import { mkdtemp, rm } from "node:fs/promises";
import os from "node:os";
import { join } from "node:path";

// Use system temp root to avoid accumulating data under a home directory.
const tempRoot = await mkdtemp(join(os.tmpdir(), "agent-"));
try {
  // ... write/edit temp files ...
} finally {
  // Ensure cleanup even if OS doesn’t immediately collect.
  await rm(tempRoot, { recursive: true, force: true });
}

Example (settings update pattern):

• If other setXXX methods update this.settings/globalSettings directly without extra reload work, mirror that approach and avoid adding additional persistence/reload steps unless correctness requires it.