profiles_view.dart rebuilt the exact merged-profile view ActiveProfileProvider already computes — the same four source streams, the same merge/avatar derivation, plus a hand-rolled combineLatest4 — and the profile switch screen was its only consumer while already reading the provider for activeId.
The screen now renders from the provider (new connectionsByProfile/connectionsById/plexHomeByConnectionId getters) and gates loading on provider initialization; visibleProfileConnections moved to profile_merge.dart for profile_detail_screen; profiles_view.dart is deleted. The switch-screen tests initialize the provider up front like boot does, using a timer-less PlexHomeService subclass so start()'s periodic refresh timer cannot trip the widget-test pending-timer invariant; the deleted pipeline's merge assertions were ported to profile_merge_test and active_profile_provider_test.
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