Initialize Next.js app with Supabase, Brevo config and migration

src/lib/supabase.ts

@@ -0,0 +1,20 @@
+import { createClient } from '@supabase/supabase-js';
+
+const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL || '';
+const supabaseAnonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY || '';
+
+if (!supabaseUrl || !supabaseAnonKey) {
+  console.warn('Supabase URL or Anon Key is missing in environment variables.');
+}
+
+// Client-side Supabase client
+export const supabase = createClient(supabaseUrl, supabaseAnonKey);
+
+// Server-side admin client (with service_role)
+export function getSupabaseAdmin() {
+  const serviceRoleKey = process.env.SUPABASE_SERVICE_ROLE_KEY;
+  if (!serviceRoleKey) {
+    throw new Error('SUPABASE_SERVICE_ROLE_KEY is required for admin operations.');
+  }
+  return createClient(supabaseUrl, serviceRoleKey);
+}