fix(rivetkit-core): enumerate non-drained counters in grace deadline warn log

[NathanFlurry]

Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[NathanFlurry]

• chore(kitchen-sink): configurable endpoint #4766 : 3 dependent PRs (#4754 , #4777 , #4778 )
• refactor(rivetkit-core): rename StopReason to ShutdownKind and kill enum fallthroughs #4765
• chore(envoy-client): log command and event payloads #4751
• fix(rivetkit): minor sleep-cleanup follow-ups #4761
• docs(rivetkit): clean up stale setPreventSleep references in docs and JSDoc #4760
• docs(rivetkit): document keepAwake/waitUntil counter-arm race and surface bridge errors #4759
• test(engine): force overdue branch in alarm-during-sleep test with negative offset #4758
• fix(rivetkit-core): return stopping not starting when sleep/destroy called mid-shutdown #4757
• test(rivetkit): remove sleepWithPreventSleep fixture and tests #4756
• test(engine): add regression test for alarm-during-sleep-transition race #4755
• test(rivetkit-core): cover sleep/destroy guards and prevent_sleep no-op #4750
• docs: add keepAwake vs waitUntil table and internal sleep-sequence invariants #4749
• feat(rivetkit): expose c.keepAwake(promise) through native path #4748
• refactor(rivetkit): deprecate setPreventSleep to no-op in TypeScript #4747
• fix(rivetkit-core): enumerate non-drained counters in grace deadline warn log #4746 👈 (View in Graphite)
• fix(rivetkit-core): abort graceful cleanup task when grace deadline elapses #4745
• fix(rivetkit-core): error on sleep/destroy before startup or already-requested #4743
• fix(rivetkit-core): cap SerializeState shutdown timeout at 15s #4742
• refactor(rivetkit-core): remove prevent_sleep field and deprecate set_prevent_sleep to no-op #4741
• fix(api-public): remove orphan import_export actors module #4764
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[claude]

PR Review: fix(rivetkit-core): enumerate non-drained counters in grace deadline warn log

This is a clean, well-scoped observability improvement. The grace-deadline warning log now includes all the activity counters that feed into can_finalize_sleep, making it directly actionable when diagnosing a stalled shutdown.

What changed

• sleep.rs: websocket_callback_count and active_http_request_count promoted to pub(crate); #[cfg(test)] + #[allow(dead_code)] removed from core_dispatched_hook_count since it is now used in production code.
• task.rs: on_sleep_grace_deadline warning log extended with actor_id, all sleep-drain counters, and connection_count.

Looks good

• Logging conventions followed: structured fields, lowercase message, no string interpolation, no eprintln!/println!. actor_id uses % (Display) consistent with the rest of the file.
• Counter set is complete: the fields added exactly mirror the inputs to can_finalize_sleep/can_sleep, so the log is self-contained for diagnosing a drain stall.
• Attribute cleanup is correct: core_dispatched_hook_count is now called in production code, so removing #[cfg(test)] and #[allow(dead_code)] is the right call.
• Visibility scope is minimal: methods are pub(crate), not pub.
• No new concurrency, error handling, or security surface introduced.

Minor note

connection_count = self.ctx.conns().len() briefly acquires a read lock at log time. Fine here — this is a diagnostic read on an already-degraded shutdown path.

The PR description template was left unfilled, but the code itself is correct and follows all conventions. No blocking issues.

[github-actions]

Preview packages published to npm

Install with:

npm install rivetkit@pr-4746

All packages published as 0.0.0-pr.4746.8654fe3 with tag pr-4746.

Engine binary is shipped via @rivetkit/engine-cli on linux-x64-musl, linux-arm64-musl, darwin-x64, and darwin-arm64. Windows users should use the release installer or set RIVET_ENGINE_BINARY.

Docker images:

docker pull rivetdev/engine:slim-8654fe3
docker pull rivetdev/engine:full-8654fe3

Individual packages

npm install rivetkit@pr-4746
npm install @rivetkit/react@pr-4746
npm install @rivetkit/rivetkit-napi@pr-4746
npm install @rivetkit/workflow-engine@pr-4746