Add ACMCC app source, Supabase backend, and project config

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

supabase/migrations/20260428024019_cdd3572c-2b1a-492f-b4b6-a6556b9f7655.sql

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+
+-- Function: recompute bill status from its approvals
+CREATE OR REPLACE FUNCTION public.recompute_bill_status_from_approvals()
+RETURNS TRIGGER
+LANGUAGE plpgsql
+SECURITY DEFINER
+SET search_path TO 'public'
+AS $$
+DECLARE
+  v_bill_id uuid;
+  v_total int;
+  v_approved int;
+  v_denied int;
+  v_current_status text;
+  v_new_status text;
+BEGIN
+  v_bill_id := COALESCE(NEW.bill_id, OLD.bill_id);
+  IF v_bill_id IS NULL THEN
+    RETURN COALESCE(NEW, OLD);
+  END IF;
+
+  SELECT COUNT(*),
+         COUNT(*) FILTER (WHERE status = 'approved'),
+         COUNT(*) FILTER (WHERE status = 'denied')
+    INTO v_total, v_approved, v_denied
+  FROM public.bill_approvals
+  WHERE bill_id = v_bill_id;
+
+  IF v_total = 0 THEN
+    RETURN COALESCE(NEW, OLD);
+  END IF;
+
+  SELECT status INTO v_current_status FROM public.bills WHERE id = v_bill_id;
+
+  IF v_denied > 0 THEN
+    v_new_status := 'denied';
+  ELSIF v_approved = v_total THEN
+    v_new_status := 'approved';
+  ELSE
+    v_new_status := NULL;
+  END IF;
+
+  IF v_new_status IS NOT NULL
+     AND v_current_status IS DISTINCT FROM v_new_status
+     AND COALESCE(v_current_status, '') NOT IN ('paid', 'cancelled') THEN
+    UPDATE public.bills
+    SET status = v_new_status,
+        updated_at = now(),
+        approved_date = CASE WHEN v_new_status = 'approved'
+                             THEN COALESCE(approved_date, CURRENT_DATE)
+                             ELSE approved_date END
+    WHERE id = v_bill_id;
+  END IF;
+
+  RETURN COALESCE(NEW, OLD);
+END;
+$$;
+
+DROP TRIGGER IF EXISTS trg_bill_approvals_recompute_status ON public.bill_approvals;
+CREATE TRIGGER trg_bill_approvals_recompute_status
+AFTER INSERT OR UPDATE OF status OR DELETE ON public.bill_approvals
+FOR EACH ROW EXECUTE FUNCTION public.recompute_bill_status_from_approvals();
+
+-- Backfill existing bills whose approval state is already complete
+UPDATE public.bills b
+SET status = 'approved',
+    approved_date = COALESCE(b.approved_date, CURRENT_DATE),
+    updated_at = now()
+WHERE b.status NOT IN ('approved', 'denied', 'paid', 'cancelled')
+  AND EXISTS (SELECT 1 FROM public.bill_approvals ba WHERE ba.bill_id = b.id)
+  AND NOT EXISTS (
+    SELECT 1 FROM public.bill_approvals ba
+    WHERE ba.bill_id = b.id AND ba.status <> 'approved'
+  );
+
+UPDATE public.bills b
+SET status = 'denied',
+    updated_at = now()
+WHERE b.status NOT IN ('denied', 'paid', 'cancelled')
+  AND EXISTS (
+    SELECT 1 FROM public.bill_approvals ba
+    WHERE ba.bill_id = b.id AND ba.status = 'denied'
+  );