debug: Log spotlight config detection in withSentryConfig

Author: BYK

packages/nextjs/src/config/withSentryConfig.ts

@@ -355,6 +355,14 @@ function getFinalConfigObject(
   const spotlightConfig =
     incomingUserNextConfigObject.env?.NEXT_PUBLIC_SENTRY_SPOTLIGHT ?? process.env.NEXT_PUBLIC_SENTRY_SPOTLIGHT;
 
+  // Debug: Log spotlight config detection
+  // eslint-disable-next-line no-console
+  console.log('[@sentry/nextjs] Spotlight config detection:', {
+    fromNextConfigEnv: incomingUserNextConfigObject.env?.NEXT_PUBLIC_SENTRY_SPOTLIGHT,
+    fromProcessEnv: process.env.NEXT_PUBLIC_SENTRY_SPOTLIGHT,
+    resolved: spotlightConfig,
+  });
+
   let turboPackConfig: TurbopackOptions | undefined;
 
   // IMPORTANT: Always construct turbopack config if the Next.js version supports it,