{"usage":"GET /api?chmod=<value>  — value: octal (755, 4755) or symbolic (rwxr-xr-x, rwsr-xr-t)","params":{"chmod":"required — octal 3/4 digits or 9/10-char symbolic string (aliases: mode, value)"},"example":"curl \"https://chmod-calculator-formatho.filesformatho.workers.dev/api?chmod=755\""}