Gather/craft start inventory and skill GETs in parallel with quest-progress;
post-completion _refresh_economy_hud was dropped when those clients were _busy.
Match quest_progress_client pending-sync flush so a follow-up GET runs after
the in-flight request completes.
Pass inventory and skill clients into setup; refresh on completion
transition in quest_hud_controller.gd; fix line-length and file-size
gdlint limits for pre-push.
Add NEO-132 manual QA extending NEO-123 with reward HUD and economy
verification, README capstone section, E7.M2 Ready alignment, client
completion-transition signal for inventory/skill refresh, and GdUnit
coverage for the new signal.
VinPropane