F1: Stop routing git-backed stacks through a per-tick RedeployWhenChanged for
image-only updates. The git redeploy path short-circuits when the commit is
unchanged (so an upstream-digest update never applies) yet still git-fetches
every tick. Git stacks are now detect-only in the auto-apply path; their image
update lands on the next git change or via manual "Update now". File (non-git)
stacks still force-pull-redeploy immediately. The AutoUpdatePanel text no longer
promises daemon auto-update for git/externally-managed containers.
F2: Resolve registries for the file-stack redeploy the same way the established
userless/system path (RedeployWhenChanged) does, via the new
deployments.ResolveStackRegistries: scope to the stack author's endpoint access
and RefreshAndPersistECRTokens, instead of hand-passing Registry().ReadAll().
ECR-backed stacks now auto-update with fresh tokens.
F3: Add a 1m floor for the auto-update poll interval, enforced in the settings
Validate and mirrored in the frontend validation.
F4: Thread the application shutdownCtx into NewService and use it as the base
for the heal/update job operation contexts, so shutdown cancels in-flight work.
F5: Correct the updateEndpoint comment about monitor-only badge-cache warming
(only in-scope monitor-only containers are status-checked).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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