> For the complete documentation index, see [llms.txt](https://nytshift.gitbook.io/nytshift-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nytshift.gitbook.io/nytshift-docs/agents-identity-and-data/operator-session.md).

# Operator session incident

1. Keep `EXECUTION_KILL_SWITCH=true` and stop all new review, submit and cancel actions. Public read-only market/account views may remain available.
2. Check `/api/session` and `/api/execution/status`. Record only state/reason/expiry; never record the cookie, CSRF value, operator secret, signer token or account key.
3. For repeated `AUTHENTICATION_FAILED` or `LOGIN_RATE_LIMITED`, stop attempts until the Retry-After window clears and confirm the request originates from the approved local browser.
4. For unexpected authenticated state, use **Lock operator session**, then stop the supervisor. Rotate `NIGHTSHIFT_OPERATOR_SECRET` in the launching shell and rotate signer/internal secrets if compromise could have crossed that separate boundary.
5. Restart with execution still disabled. Confirm the old cookie is rejected, `/api/execution/status` is redacted while locked, and the new session expires after 15 minutes.
6. For `CSRF_TOKEN_INVALID`, refresh the terminal once to recover same-origin session state. Do not weaken Origin, SameSite, CSP, cookie scope or CSRF checks.
7. Re-enable only the previously approved testnet/canary mode after audit history, open orders, fills and balances reconcile and the kill-switch rehearsal passes.


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