It's a Trap!: Don't fall through in this Sudoku

Today's Video:

Debut puzzle of Red Barchetta on the channel (first I have solved from this constructor as well). Really enjoyable solve even though I can't quite figure out where the trap is?

Link to Play:

It's a Trap! by RedBarchetta https://tinyurl.com/SudokuSleuthItsATrap

Rules:

Normal sudoku and normal variant rules apply.

Place the digits 1-9 in once each in every row, column, and 3x3 box.

German Whisper: Consecutive digits on a green line must have a difference of 5 or more.

White Kropki dots: Digits sharing a white dot are consecutive.

Palindrome: Digits along a grey line read the same forward to backward – e.g. 123321.

Killer cages: Digits cannot repeat in a cage, and the digits sum to the clue in the top-left cell of the cage.

Thermometers: Digits along a thermometer must increase in value from the bulb to the tip.