feat(nextjs)!: Remove middleware bypass for tunnel route requests - #24589
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In webpack builds, the middleware wrapper returned early for requests to the tunnel route so the user's middleware never ran for them. Turbopack builds never had this behavior, and keeping the SDK's request matching in sync with the tunnel rewrite is fragile. Tunnel requests now go through the user's middleware like any other request. Users whose middleware blocks unauthenticated requests need to exclude the tunnel route in their matcher. Refs JS-3719 Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Follow-up to #24499.
In webpack builds, the middleware wrapper skipped the user's middleware for tunnel route requests so that middleware redirecting unauthenticated requests would not swallow Sentry events. Keeping that check in sync with the tunnel rewrite is fragile, and Turbopack builds never had it.
This removes the bypass so tunnel requests go through the user's middleware like any other request on both bundlers. Middleware that blocks unauthenticated requests globally has to exclude the tunnel route in its matcher, which requires a fixed string route instead of
tunnelRoute: true.Refs JS-3719