fix: use localStorage for Stytch return URL#559
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Stytch requires exact match on redirect URLs including query params, which breaks OAuth login when returnUrl is appended. Store the return URL in localStorage instead and read it back after authentication. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
returnUrlas a query param to Stytch redirect URLs — Stytch requires exact URL matches including query params, which breaks OAuth loginlocalStoragebefore initiating auth, read it back in/authenticateTrade-off
If a user opens a magic link on a different device, they'll land on
/instead of the original page. This is acceptable — cross-device return URL preservation would require server-side state.🤖 Generated with Claude Code