Your car doesn’t have a toothed rubber cam belt and the dealer ought to know that! If they don’t, then is that an indication of their lack of knowledge? Maybe worth considering going elsewhere to get your car serviced and maintained

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The metal timing chain on the mk7 / mk7.5 R is a non serviceable item, and while it may eventually need changing - it certainly doesn’t need doing at 29k miles. It should be fine for around 100k miles - at that point, it would be worth getting it checked periodically for stretch as it approaches 100k mile mark, but the original timing chain should be fine for many years and miles to come.
The Haldex isn’t part of the normal service and will be charged for separately. Ask for the filter / strainer to be cleaned, as the standard Haldex service just involves changing the Haldex fluid and not cleaning the filter / strainer. This is the difference between a clean and dirty filter / strainer;
