Add ACMCC app source, Supabase backend, and project config

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

supabase/migrations/20260422181125_3773f866-9660-4cae-8253-68c55b2669ca.sql

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+ALTER TABLE public.portal_function_visibility
+ADD COLUMN IF NOT EXISTS association_id UUID REFERENCES public.associations(id) ON DELETE CASCADE;
+
+DROP INDEX IF EXISTS idx_portal_function_visibility_unique_scope;
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_portal_function_visibility_unique_scope
+ON public.portal_function_visibility (
+  portal,
+  function_key,
+  COALESCE(association_id, '00000000-0000-0000-0000-000000000000'::uuid),
+  COALESCE(owner_user_id, '00000000-0000-0000-0000-000000000000'::uuid)
+);
+
+CREATE INDEX IF NOT EXISTS idx_portal_function_visibility_association_id
+ON public.portal_function_visibility (association_id);
+
+CREATE OR REPLACE FUNCTION public.can_view_portal_function(
+  _portal text,
+  _function_key text,
+  _user_id uuid DEFAULT auth.uid(),
+  _association_id uuid DEFAULT NULL
+)
+RETURNS boolean
+LANGUAGE sql
+STABLE SECURITY DEFINER
+SET search_path TO 'public'
+AS $function$
+  SELECT COALESCE((
+    SELECT pfv.enabled
+    FROM public.portal_function_visibility pfv
+    WHERE pfv.portal = _portal
+      AND pfv.function_key = _function_key
+      AND (pfv.owner_user_id = _user_id OR pfv.owner_user_id IS NULL)
+      AND (pfv.association_id = _association_id OR pfv.association_id IS NULL)
+    ORDER BY
+      (pfv.owner_user_id = _user_id) DESC,
+      (pfv.association_id = _association_id) DESC
+    LIMIT 1
+  ), true)
+$function$;