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<!-- Please inform yourself about the contribution guidelines on submitting a PR here: https://github.com/zitadel/zitadel/blob/main/CONTRIBUTING.md#submit-a-pull-request-pr. Take note of how PR/commit titles should be written and replace the template texts in the sections below. Don't remove any of the sections. It is important that the commit history clearly shows what is changed and why. Important: By submitting a contribution you agree to the terms from our Licensing Policy as described here: https://github.com/zitadel/zitadel/blob/main/LICENSING.md#community-contributions. --> # Which Problems Are Solved - With Login V2 and EMAIL_VERIFICATION=true, opening the verify page with send=true can trigger email code generation twice. - The second code invalidates the first one, so users may receive two emails where the first code is always invalid. - This causes failed verification attempts and blocks onboarding for affected users. # How the Problems Are Solved - Removed side-effectful email-code sending from direct server component execution path. - Ensured code sending is executed only once in a safe server-side flow, so React Server Component re-fetches do not generate additional codes. - Kept verify flow behavior intact while preventing duplicate code invalidation. # Additional Changes - Added/updated logic around the verify flow to make repeated render/re-fetch paths idempotent for email-code sending. - Improved reliability of the Login V2 email verification step under App Router navigation behavior. # Additional Context Fixes #11857 - Tested manually with Login V2 and EMAIL_VERIFICATION=true by completing a new user registration flow to /verify?send=true. - Verified that only one verification email is sent and the first received code is valid (no duplicate invalidating code generated). Related bug report with reproduction details: [https://github.com/zitadel/zitadel/issues/11857](vscode-file://vscode-app/Applications/Visual%20Studio%20Code.app/Contents/Resources/app/out/vs/code/electron-browser/workbench/workbench.html) --------- Co-authored-by: Max Peintner <[email protected]>