fix(sso): clear broker session on customer logout

[superdav42]

Summary

• Clear the SSO broker session when a customer logs out.
• Add regression coverage for broker-session cleanup behavior.

Changed files

• inc/sso/class-sso.php
• tests/WP_Ultimo/SSO/SSO_Test.php

Verification

• bash bin/check-env.sh && vendor/bin/phpunit --filter SSO_Test

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: e06691a7-7655-4ab7-9511-83fee156b622

📥 Commits

Reviewing files that changed from the base of the PR and between e5945fa and 4244e1b.

📒 Files selected for processing (2)

• inc/sso/class-sso.php
• tests/WP_Ultimo/SSO/SSO_Test.php

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/sso-background-logout

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[github-actions]

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[superdav42]

MERGE_SUMMARY

Summary:

• Rechecked PR fix(sso): clear broker session on customer logout #1335 terminal checks for fix/sso-background-logout.
• No current terminal failed checks were present; all latest required jobs were passing except WP Performance Metrics, which remains pending and was not treated as a failure.
• No code changes were made and no empty/no-op commit was pushed.

Verification:

• WP_TESTS_DIR=/tmp/wordpress-tests-lib vendor/bin/phpunit --filter SSO_Test — passed (81 tests, 132 assertions).
• gh pr checks 1335 --repo Ultimate-Multisite/ultimate-multisite --watch=false — no terminal failed checks.

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