Move step 3's first systems onto design pages of their own Step 3's first stage is approved and being built, so the host, gateway, owners, persistence, command layer and harness get their own design pages, moved off Server core design with their knobs and rejected ideas, and filled in from the stage's plan. The map scheduler and timer wheel stay until the map side is planned. Home, the sidebar and Roadmap's step 3 point at them.