fix: react-doctor unused-export 141→~80 (remove dead exports, enums/marketing unused, inline campaignStatusEnum)

src/auth.config.ts

@@ -63,7 +63,7 @@ export function getNeonAuthConfig(): NeonAuthBaseConfig {
  * Returns the Neon Auth base config, or null if not configured.
  * Use this for middleware that should gracefully degrade if auth is not set up.
  */
-export function getNeonAuthConfigOptional(): NeonAuthBaseConfig | null {
+function getNeonAuthConfigOptional(): NeonAuthBaseConfig | null {
   const baseUrl = process.env.NEON_AUTH_BASE_URL || "";
   const cookieSecret = process.env.NEON_AUTH_COOKIE_SECRET || "";