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feat(profile-sync-controller): add new performProfilePairing action and remove pairing side-effect from performSignIn#8642

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mathieuartu wants to merge 4 commits intomainfrom
ma/fix/auth-pairing-race-condition
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feat(profile-sync-controller): add new performProfilePairing action and remove pairing side-effect from performSignIn#8642
mathieuartu wants to merge 4 commits intomainfrom
ma/fix/auth-pairing-race-condition

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@mathieuartu mathieuartu commented Apr 29, 2026

Explanation

References

https://consensyssoftware.atlassian.net/browse/MUL-1791

Client PRs:

Checklist

  • I've updated the test suite for new or updated code as appropriate
  • I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
  • I've communicated my changes to consumers by updating changelogs for packages I've changed
  • I've introduced breaking changes in this PR and have prepared draft pull requests for clients and consumer packages to resolve them

Note

Medium Risk
Touches authentication/pairing flow and persisted controller state; behavior changes (pairing no longer happens during performSignIn) could affect clients relying on the previous side effect.

Overview
Decouples SRP profile pairing from sign-in by removing the implicit /profile/pair side effect from AuthenticationController.performSignIn and introducing a new public/messenger-exposed performProfilePairing method to run pairing on-demand.

performProfilePairing attempts pairing only when 2+ SRPs exist, propagates the returned canonical profile ID across cached SRP sessions, conditionally emits AuthenticationController:profileSignIn when the canonical changes or aliases are returned, and persists a new monotonic hasPairedAtLeastOnce state flag (set only after a successful pairing). Tests and action-type exports/changelog are updated accordingly.

Reviewed by Cursor Bugbot for commit ae9b6b3. Bugbot is set up for automated code reviews on this repo. Configure here.

@mathieuartu mathieuartu requested review from a team as code owners April 29, 2026 19:04
@mathieuartu mathieuartu changed the title feat: new performProfilePairing action feat(profile-sync-controller): add new performProfilePairing action and remove pairing side-effect from performSignIn Apr 29, 2026
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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, have a team admin enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit 97a26b3. Configure here.

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Preview builds have been published. Learn how to use preview builds in other projects.

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