Add ACMCC app source, Supabase backend, and project config

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

supabase/migrations/20260429102615_de240e78-440a-4a60-876d-278d11d3531d.sql

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+-- Link rentals to a portal user
+ALTER TABLE public.rv_boat_lot_rentals
+  ADD COLUMN IF NOT EXISTS user_id UUID REFERENCES auth.users(id) ON DELETE SET NULL;
+
+CREATE INDEX IF NOT EXISTS rv_boat_lot_rentals_user_idx ON public.rv_boat_lot_rentals(user_id);
+
+-- Helper: get owner_ids the current rv_renter has access to (via their rental)
+CREATE OR REPLACE FUNCTION public.get_rv_renter_owner_ids(_user_id uuid DEFAULT auth.uid())
+RETURNS SETOF uuid
+LANGUAGE sql STABLE SECURITY DEFINER SET search_path = public
+AS $$
+  SELECT DISTINCT r.owner_id
+  FROM public.rv_boat_lot_rentals r
+  WHERE r.user_id = _user_id
+    AND r.owner_id IS NOT NULL
+    AND r.status = 'active'
+$$;
+
+CREATE OR REPLACE FUNCTION public.get_rv_renter_association_ids(_user_id uuid DEFAULT auth.uid())
+RETURNS SETOF uuid
+LANGUAGE sql STABLE SECURITY DEFINER SET search_path = public
+AS $$
+  SELECT DISTINCT r.association_id
+  FROM public.rv_boat_lot_rentals r
+  WHERE r.user_id = _user_id
+    AND r.status = 'active'
+$$;
+
+-- Allow rv_renter to read their own rental
+CREATE POLICY "RV renters can view their own rental"
+ON public.rv_boat_lot_rentals
+FOR SELECT
+TO authenticated
+USING (user_id = auth.uid());
+
+-- Allow rv_renter to read their lot
+CREATE POLICY "RV renters can view their lot"
+ON public.rv_boat_lots
+FOR SELECT
+TO authenticated
+USING (
+  EXISTS (
+    SELECT 1 FROM public.rv_boat_lot_rentals r
+    WHERE r.lot_id = rv_boat_lots.id
+      AND r.user_id = auth.uid()
+      AND r.status = 'active'
+  )
+);
+
+-- Allow rv_renter to read their association (name, etc.)
+CREATE POLICY "RV renters can view their association"
+ON public.associations
+FOR SELECT
+TO authenticated
+USING (id IN (SELECT public.get_rv_renter_association_ids(auth.uid())));
+
+-- Allow rv_renter to read the linked owner ledger
+CREATE POLICY "RV renters can view linked owner ledger"
+ON public.owner_ledger_entries
+FOR SELECT
+TO authenticated
+USING (owner_id IN (SELECT public.get_rv_renter_owner_ids(auth.uid())));
+
+-- Allow rv_renter to read the linked owner record (for name/balance display)
+CREATE POLICY "RV renters can view linked owner"
+ON public.owners
+FOR SELECT
+TO authenticated
+USING (id IN (SELECT public.get_rv_renter_owner_ids(auth.uid())));