This sounds really cool. I have actually made something similar (unpublished and quite hacky though).
I work as a self-employed contractor and must report my times in varying standardised formats, depending on the client or agency I am working with. My input data comes from TimeWarrior (like yours) and I usually just output CSV data so I can copy-paste that into a provided excel template.
Quantizing the data is usually the most essential step as the templates often restrict accuracy. I find it strange that many of the comments here presume this kind of transformation to be fraudulent.
Many years ago, as I was just getting started with meditation, I spent a lot of time on it. Occasionally I'd do a session that went several hours (probably 4h max). Usually the sessions would be shorter (up to about 45min) but I frequently did several per day.
I can't really be very specific (it's a long time ago) but the effect was quite noticeable. Like I was grounded in a different reality, much less attached to things in every day life. It felt good.
Nowadays I don't really meditate any more. I hope I can get back into it though...