diff --git a/vite.config.ts b/vite.config.ts
index 645a20a..1dad346 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,9 +1,16 @@
-// @lovable.dev/vite-tanstack-config already includes the following — do NOT add them manually
-// or the app will break with duplicate plugins:
-//   - tanstackStart, viteReact, tailwindcss, tsConfigPaths, cloudflare (build-only),
-//     componentTagger (dev-only), VITE_* env injection, @ path alias, React/TanStack dedupe,
-//     error logger plugins, and sandbox detection (port/host/strictPort).
-// You can pass additional config via defineConfig({ vite: { ... } }) if needed.
 import { defineConfig } from "@lovable.dev/vite-tanstack-config";
 
-export default defineConfig();
+// Override Supabase target to point at the user's external project.
+const EXTERNAL_SUPABASE_URL = "https://agoleqtakruggsbqpnjx.supabase.co";
+const EXTERNAL_SUPABASE_ANON_KEY =
+  "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImFnb2xlcXRha3J1Z2dzYnFwbmp4Iiwicm9sZSI6ImFub24iLCJpYXQiOjE3Nzg3MDc5MDgsImV4cCI6MjA5NDI4MzkwOH0.4oqluTuHuTkoRfgb91CzuUfdey285c6hqniLsAOw4Jc";
+
+export default defineConfig({
+  vite: {
+    define: {
+      "import.meta.env.VITE_SUPABASE_URL": JSON.stringify(EXTERNAL_SUPABASE_URL),
+      "import.meta.env.VITE_SUPABASE_PUBLISHABLE_KEY": JSON.stringify(EXTERNAL_SUPABASE_ANON_KEY),
+      "import.meta.env.VITE_SUPABASE_ANON_KEY": JSON.stringify(EXTERNAL_SUPABASE_ANON_KEY),
+    },
+  },
+});