init: add source code from src.zip

src/utils/cwd.ts

@@ -0,0 +1,32 @@
+import { AsyncLocalStorage } from 'async_hooks'
+import { getCwdState, getOriginalCwd } from '../bootstrap/state.js'
+
+const cwdOverrideStorage = new AsyncLocalStorage<string>()
+
+/**
+ * Run a function with an overridden working directory for the current async context.
+ * All calls to pwd()/getCwd() within the function (and its async descendants) will
+ * return the overridden cwd instead of the global one. This enables concurrent
+ * agents to each see their own working directory without affecting each other.
+ */
+export function runWithCwdOverride<T>(cwd: string, fn: () => T): T {
+  return cwdOverrideStorage.run(cwd, fn)
+}
+
+/**
+ * Get the current working directory
+ */
+export function pwd(): string {
+  return cwdOverrideStorage.getStore() ?? getCwdState()
+}
+
+/**
+ * Get the current working directory or the original working directory if the current one is not available
+ */
+export function getCwd(): string {
+  try {
+    return pwd()
+  } catch {
+    return getOriginalCwd()
+  }
+}