You have been cited under § 4.02 of the Public Courtesy Code: Line Ambiguity
THE LINE FORMS BACK THERE.
You are hovering adjacent to the line — not in it, not out of it — preserving the option of merging near the front. The Department recognizes this posture and cites it as attempted cutting. Everyone in the actual line recognizes it too.
This is not a fine. There is no fine. Think about what you did.