Current session/user info:

SID:   l1bc0m3hpms4f3ejpmrg4v7nm7
User:  (guest)

Incoming cookies sent by your browser (note: flags like HttpOnly/SameSite aren't visible here, only on Set-Cookie):

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Compare this SID with the one from Begin. In the secure flow, it should differ; in the insecure flow, it will match.