Invoke CombatOperations.TryResolve after E1 gates; nested combatResolution
on accept; per-ability catalog cooldown; target_defeated deny without
cooldown. Tests, Bruno defeat spine, README and module docs updated.
Ship a server-owned hotbar loadout API with Postgres-or-memory persistence so slot bindings survive reconnects in configured environments. Wire client boot hydration and add tests/docs/manual QA to keep the prototype contract and policy explicit.