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Repeat Onboarding Without Resetting the Reader's Profile

A demo flag marked the signed session, preserved the stored profile and cleared only after successful completion, with the new cookie in the reply.

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Reviewed by Dmytro Nasyrov on October 27, 2026.

For a demo, we needed an existing reader to see onboarding after every sign-in. Resetting that person's stored profile would have made the demo visible by changing real product state. Instead, we put a temporary onboarding mark in the signed session.

This was a testing and demonstration mode, separate from the normal first-time onboarding flow. Its challenge was to make routing, profile reads and completion agree about the current session without erasing the reader's profession or saved onboarding record.

A session mark set at sign-in

With the runtime switch enabled, the login route seals the successful session with onboardingPending: true. With the switch off, it seals the normal session. The implementation accepts the enabled values documented for the flag and tests disabled variants separately.

The server-side guard sees that mark before rendering protected chat pages. A deep link to a Library item is sent through welcome with its original path and query retained as the next destination. The application root needs no artificial return path because Ask is already the normal destination.

successful sign-in + demo flag
    -> signed session includes onboardingPending
protected page + mark
    -> welcome, carrying the intended destination
successful Continue or Skip
    -> same session, mark removed

The welcome page itself, the sign-in page and the public API and health paths are allowed through. Without those exceptions, the gate could redirect its own completion path or interfere with the operations that need to clear the mark. A path-prefix approximation is weaker than an explicit route test here.

The profile read needed the same story

A client gate that asks whether the reader has onboarded would otherwise see the stored completion date and immediately skip the demo's welcome flow. The GraphQL wrapper therefore returns a shallow copy of the profile with onboardedAt set to null while the session mark is present. It does not write that null to the identities service. The saved profession and depth remain the starting values for the profile step. Once the mark is gone, the wrapper returns the real profile state again. This is a temporary session view, not a new truth about the reader's account.

Whichever resolver source the chat route uses, the wrapper is applied around it. Tests cover mocked and backend-backed paths. A demonstration flag that works only against fixtures would be an unreliable guide to the deployed request boundary.

Completion must succeed before the mark disappears

The wrapper awaits the underlying Continue or Skip mutation, then clears the mark. If saving throws, clearing is not reached. The reader remains in the unfinished session flow instead of receiving a successful-looking local exit after a failed server operation.

Clearing reseals the session cookie without the mark. The session-handle regression inspects the opened cookie and checks that the token pair remains as it was. A boolean changed only in client memory would not tell the next server request that welcome had completed.

Case Expected session behavior
Demo flag disabled No mark added at sign-in
Marked session opens a deep link Welcome retains path and query
Profile already onboarded in storage Session view still shows onboarding as pending
Completion save fails Mark remains
Completion save succeeds Cookie is resealed without the mark
Session was already unmarked Clearing is a no-op

The route's response owns the updated cookie. Mutating a session handle inside a resolver is not enough unless the final response includes the handle's cookie change. The test therefore checks the response and reopens its sealed value, rather than accepting an internal function call as proof of persistence.

This remains a per-session workflow. The article does not promise that a previously issued cookie in another tab is instantly rewritten by a response delivered to this request. Concurrent browser activity and later sign-ins still follow the application's normal cookie and session rules.

Repeating the presentation flow still requires a signed-in reader. The flag does not grant access, refresh an expired session or reopen the optional learning check's historical results by itself; those belong to their own contracts.

Test with an already-onboarded profile

The decisive regression pairs an already-onboarded stored profile with a marked session. If a fixture makes both the stored profile and the session appear new, the test cannot tell whether the temporary wrapper actually works. A second fixture checks that the stored object has not been reset.

The inspected code and tests are evidence of that implementation boundary; we have not rerun the medical product's suite for this article. The operational switch belongs to testing and demos. Its success condition is a repeated flow with the existing account intact, followed by a cookie that no longer asks the reader to repeat it.

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Stas Rysin is the Lead Frontend Developer at Pharos Production. His work covers the design system, reader interfaces and administration workflows of a professional learning platform for aesthetic medicine.

Dmytro Nasyrov, Founder and CTO at Pharos Production
Dmytro Nasyrov Founder & CTO Let's work together!

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