Basement base / Reinforcement plaster / Studded membrane, order of reinforcement plaster

Hello,

we are not really making progress, maybe someone can help me ..

- New building is in place.
- The plot is not yet completely filled (about 35-50 cm missing).
- Basement plinth: reinforcement plaster, fabric embedding, smoothing,
over-troweling has been done.
- Waterproof basement with perimeter insulation.

How to proceed now:

We would like to lay border stones, make a terrace, backfill:

Does the reinforcement plaster that will later be below ground level still need to be protected by a dimpled membrane or thick slurry?

What is the correct order?

Thick slurry - dimpled membrane - laying and compacting gravel for terrace? (won't the dimpled membrane tear again) - laying border stones (also around the later terrace) - finishing wooden terrace - backfilling?

Thanks in advance