Chop and drop mistake?

I'm running behind for sure, but I'm going. I probably should have prepared my raised beds 4, maybe 6 weeks ago.
I chopped and dropped all the plants in the bed. I didn't worry about the leaves, but the thick stems I cut about an inch give or take a little. I spread it in a relatively even layer. Then I added some organic alfalfa pellets. Topped with organic compost and organic soil. I was happy with myself because my beds are hugel beet style, so they sink, and usually needs topping off. Chop and drop reduced the soil for this bed by at least half.
Now the reason I'm wondering if it was a mistake. I have lots of veggies seeds and seedlings that need to be planted. The seeds will do fine in the beginning because of the top soil/compost layer, but what happens when the roots, especially root crop veggies hit that chopped layer. The same question for the seedlings.
When I planted in my food forest want-a-be that's covered in wood chips I would pull the wood chips back and fill the hole with soil, and plant in that. Should I do this with the chop and drop?
I was so pleased with the progress. Easier than removing everything to the compost pile. Lots of organic matter, return the nutrients back to the soil. Have to buy and use less bagged soil, which is one of my goals, but one not achieved over night. I was pretty happy until I started thinking about having a layer of undecomposed organic matter. I did add the alfalfa pellets to add nitrogen, but it's still a layer of chunky stuff, not soil.
I'm looking forward to what the smart people of permies have to say. I have other beds that have lots of old plants. should I do something different?  Thanks

I feel the the roots will be fine and the roots will just keep going probably pushing the chopped layer aside.

I hope if you use this method you will report how it turned out.