Bumps machineGroupControl (e1e1977) and pumpingStation (ef07f2a) — example dashboard JSON tweaks committed on each submodule's development branch. Adds docs/research/ and docs/prd/ for the dashboardAPI v2 graph-aware Grafana generator workflow (Gitea issues #32-#43). Ignores .prototypes/ — throwaway spike code lives there per the /prototype skill.