docs: clarify storage path fallback semantics

Author: ndycode

lib/storage/path-state.ts

@@ -17,6 +17,10 @@ let currentStorageState: StoragePathState = {
 };
 
 export function getStoragePathState(): StoragePathState {
+	// Keep the last synchronously assigned state as a fallback until enterWith()
+	// has propagated through the current async chain. This is intentionally a
+	// best-effort bridge for immediate reads; callers should still set state
+	// before spawning child work and treat AsyncLocalStorage as the source of truth.
 	return storagePathStateContext.getStore() ?? currentStorageState;
 }