Remote backend updates failed with "Backend update failed." on nearly
every run: applyBackendUpdate() polled for only 30×1.5s ≈ 45s, then
read exit_code null off the still-running action and called it a
failure. Real updates (backup + uv sync + npm install + vite build)
routinely run longer, and the no-op "Already up to date" path never
restarted the gateway so the old return-check timed out too.
A still-running, reachable action is now never converted into failure
by an elapsed budget — only a nonzero exit is. The apply loop keeps one
in-flight promise, tolerates reconnects during the dashboard restart
without extending the fixed six-minute deadline forever, and confirms
success by the action-specific receipt that survives the restart,
falling back to proving the requested commit / up-to-date check for
older backends without action_id support. Inconclusive completion
fails closed.
Fixes#47359Fixes#58764
Co-authored-by: Vitor Cepeda Lopes <vitor@vitorcepedalopes.com>
Co-authored-by: Mark Vlcek <markvlcek@gmail.com>
Co-authored-by: doncazper <caztronics@yahoo.com>
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