PR 17900 verification on Linux, Node 24. No native device tested.

Baseline with production source restored to main: 22 passed, 2 quota regressions failed.
Rebuilt production source: 24 tests passed. Targeted lint/format and mobile/shared typechecks passed.

Production findEnvironmentUpdate using live GitHub and the system CA store:
{"current":"0.0.1","result":"0.1.0"}
{"current":"0.0.1-nightly.20200101.1","result":"0.1.1-nightly.20261019.3348"}
{"current":"0.0.1-preview.20200101.1","result":"0.1.1-preview.20261019.3339"}
{"requests":["https://github.com/pingdotgg/t3code/releases/latest","https://github.com/pingdotgg/t3code/releases.atom","https://github.com/pingdotgg/t3code/releases.atom"]}

The missing-feed-preview pagination fallback is verified by the page-two behavior test, not the live feed. No screenshots: lookup behavior only, no layout change.