Add ACMCC app source, Supabase backend, and project config

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

supabase/migrations/20260423150621_e012f1dd-a222-4612-96e6-bc2b1005624d.sql

@@ -0,0 +1,19 @@
+DROP POLICY IF EXISTS "Homeowners can view own unit ledger entries" ON public.owner_ledger_entries;
+DROP POLICY IF EXISTS "Owners can view own ledger" ON public.owner_ledger_entries;
+
+CREATE POLICY "Owners can view own ledger entries"
+ON public.owner_ledger_entries
+FOR SELECT
+TO authenticated
+USING (
+  EXISTS (
+    SELECT 1
+    FROM public.owners o
+    WHERE o.user_id = auth.uid()
+      AND o.association_id = owner_ledger_entries.association_id
+      AND (
+        o.id = owner_ledger_entries.owner_id
+        OR (o.unit_id IS NOT NULL AND o.unit_id = owner_ledger_entries.unit_id)
+      )
+  )
+);