Google analytics integration.

Sentry.io integration.
Vince integration.
Region-scoped consent (denied-by-default in EU/EEA/UK/CH, granted elsewhere, DPDP-friendly notice)

vite.config.ts

@@ -3,6 +3,14 @@ import { defineConfig } from "vite";
 import { tanstackStart } from "@tanstack/react-start/plugin/vite";
 import viteReact from "@vitejs/plugin-react";
 import tailwindcss from "@tailwindcss/vite";
+import { sentryTanstackStart } from "@sentry/tanstackstart-react/vite";
+
+/**
+ * Sentry build-time integration (sourcemap generation + upload) only runs
+ * when SENTRY_AUTH_TOKEN is present — local and CI builds without
+ * credentials are completely unaffected.
+ */
+const sentryUpload = Boolean(process.env.SENTRY_AUTH_TOKEN);
 
 export default defineConfig({
   server: {
@@ -11,6 +19,7 @@ export default defineConfig({
   resolve: {
     tsconfigPaths: true,
   },
+  ...(sentryUpload ? { build: { sourcemap: true } } : {}),
   plugins: [
     tailwindcss(),
     tanstackStart({
@@ -21,5 +30,12 @@ export default defineConfig({
       },
     }),
     viteReact(),
+    ...(sentryUpload
+      ? [
+          sentryTanstackStart({
+            sourcemaps: { filesToDeleteAfterUpload: ["dist/**/*.map"] },
+          }),
+        ]
+      : []),
   ],
 });