Add ACMCC app source, Supabase backend, and project config

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

supabase/migrations/20260329013814_e7ebd1f1-f6ab-4edc-b7b2-a8acd69d5317.sql

@@ -0,0 +1,43 @@
+
+-- Expense categories table
+CREATE TABLE public.expense_categories (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  name TEXT NOT NULL,
+  description TEXT,
+  color TEXT,
+  is_active BOOLEAN NOT NULL DEFAULT true,
+  sort_order INTEGER DEFAULT 0,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- Expense subcategories table
+CREATE TABLE public.expense_subcategories (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  category_id UUID REFERENCES public.expense_categories(id) ON DELETE CASCADE NOT NULL,
+  name TEXT NOT NULL,
+  description TEXT,
+  is_active BOOLEAN NOT NULL DEFAULT true,
+  sort_order INTEGER DEFAULT 0,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- Enable RLS
+ALTER TABLE public.expense_categories ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.expense_subcategories ENABLE ROW LEVEL SECURITY;
+
+-- RLS policies - authenticated users can manage
+CREATE POLICY "Authenticated users can manage expense categories" ON public.expense_categories FOR ALL TO authenticated USING (true) WITH CHECK (true);
+CREATE POLICY "Authenticated users can manage expense subcategories" ON public.expense_subcategories FOR ALL TO authenticated USING (true) WITH CHECK (true);
+
+-- Seed default categories
+INSERT INTO public.expense_categories (name, sort_order) VALUES
+  ('Management', 1),
+  ('Maintenance', 2),
+  ('Labor', 3),
+  ('Materials', 4),
+  ('Service', 5),
+  ('Expense', 6),
+  ('Administrative', 7),
+  ('Utilities', 8);