fix(stage2): a window equal to its interval is kept at ingestion time; whole-window builds end on the epoch grid - #899

Canceling since a higher priority waiting request for Conventional Commits-refs/pull/899/merge exists

Canceling since a higher priority waiting request for Conventional Commits-refs/pull/899/merge exists

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: amannn/action-semantic-pull-request@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/