Finish incomplete dyad write (#475)

Fixes #452 
Fixes #456 
Fixes #195

e2e-tests/supabase_client.spec.ts

@@ -0,0 +1,15 @@
+import { testSkipIfWindows } from "./helpers/test_helper";
+
+testSkipIfWindows("supabase client is generated", async ({ po }) => {
+  await po.setUp({ autoApprove: true });
+  await po.importApp("minimal");
+  await po.sendPrompt("tc=add-supabase");
+
+  // Connect to Supabase
+  await po.page.getByText("Set up supabase").click();
+  await po.clickConnectSupabaseButton();
+  await po.clickBackButton();
+
+  await po.sendPrompt("tc=generate-supabase-client");
+  await po.snapshotAppFiles();
+});