Resets the active-profile state to its initial values. Called on map
teardown (lifecycle seam + ConfigModule.destroy()) so a destroy →
recreate cycle does not keep a stale active profile or its POIs/routes.
_config (the Config singleton wiring) is intentionally preserved — it is
a foundation reference, not per-map business state.
Resets the active-profile state to its initial values. Called on map teardown (lifecycle seam +
ConfigModule.destroy()) so a destroy → recreate cycle does not keep a stale active profile or its POIs/routes._config(the Config singleton wiring) is intentionally preserved — it is a foundation reference, not per-map business state.