The URL is: callback-url-file:///proc/self/environ
Which translates to a file path on a Linux system: /proc/self/environ callback-url-file-3A-2F-2F-2Fproc-2Fself-2Fenviron
What a delightfully encoded URL! Let's decode it and create a full story around it. callback-url-file-3A-2F-2F-2Fproc-2Fself-2Fenviron
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