[test] workflow-server PR #837 by vercel-gh-bot-2[bot] · Pull Request #3727 · vercel/workflow

vercel-gh-bot-2 · 2026-08-21T21:25:47Z

This PR was automatically created to test a workflow-server preview deployment.

This PR will be automatically closed after 24 hours.

…4vzg45hij.vercel.sh

changeset-bot · 2026-08-21T21:25:50Z

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Latest commit: 661390a

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vercel · 2026-08-21T21:26:04Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, v0	Aug 21, 2026 9:30pm
example-nextjs-workflow-webpack	Ready	Preview, v0	Aug 21, 2026 9:30pm
example-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-astro-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-express-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-fastify-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-hono-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-nestjs-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-nitro-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-nuxt-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-python-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-sveltekit-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-tanstack-start-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workbench-vite-workflow	Ready	Preview, v0	Aug 21, 2026 9:30pm
workflow-docs	Ready	Preview, v0	Aug 21, 2026 9:30pm
workflow-swc-playground	Ready	Preview, v0	Aug 21, 2026 9:30pm
workflow-tarballs	Ready	Preview, v0	Aug 21, 2026 9:30pm
workflow-web	Ready	Preview, v0	Aug 21, 2026 9:30pm

github-actions · 2026-08-21T21:26:24Z

🧪 E2E Test Results

❌ Some tests failed

❌ Failed E2E Tests

▲ Vercel Production (245 failed)

astro-node (9 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting

astro-quickjs (9 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting

example-node (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
distributedAbortController - reconnect to existing controller | wrun_41M0K49GJY0GNZNT3YQH5697RJ | 🔍 observability
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands

example-quickjs (9 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting

express-node (8 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands

express-quickjs (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortDeterministicBranchFromStepWorkflow: branches stay consistent when abort comes from a step
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands

fastify-node (5 failed):

hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes fire-and-forget: void setAttributes lands without awaiting

fastify-quickjs (11 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run
setAttributes validation DX: invalid writes throw catchable FatalErrors naming rule and limit

hono-node (8 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands

hono-quickjs (11 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
AbortController abortDeterministicBranchFromStepWorkflow: branches stay consistent when abort comes from a step
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run
setAttributes validation DX: invalid writes throw catchable FatalErrors naming rule and limit

nest-node (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run

nest-quickjs (10 failed):

concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortListenerWorkflow: signal.addEventListener fires on the deserialized step signal
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands

nextjs-turbopack-node (5 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes Promise.all of disjoint-key writes: every key lands
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run

nextjs-turbopack-quickjs (8 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting

nextjs-webpack-node (8 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting

nextjs-webpack-quickjs (8 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run

nitro-node (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run
setAttributes validation DX: invalid writes throw catchable FatalErrors naming rule and limit

nitro-quickjs (9 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run
setAttributes validation DX: invalid writes throw catchable FatalErrors naming rule and limit

nuxt-node (8 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
distributedAbortController - manual abort triggers signal | wrun_41M0K466T80GQ7G39VCETD91P3 | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes fire-and-forget: void setAttributes lands without awaiting

nuxt-quickjs (11 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run

python-node (8 failed):

promiseAllWorkflow | wrun_41M0K3NDH20GSSY140A5Z729NP | 🔍 observability
sleepingWorkflow | wrun_41M0K3PQ3D0GY8M5S8CJRBZARV | 🔍 observability
parallelSleepWorkflow | wrun_41M0K3QEG40GREJ36JRFBQMPNK | 🔍 observability
nullByteWorkflow | wrun_41M0K3QP570GT9EPP434RRFJVV | 🔍 observability
cancelRun - cancelling a running workflow | wrun_41M0K434PV0GP2W4YXCZCH0WPN | 🔍 observability
cancelRun via CLI - cancelling a running workflow | wrun_41M0K434R30GY8Z9C8BT8HDPFC | 🔍 observability
sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_41M0K43HN60GMAXXSFE8534WCN | 🔍 observability
resilient start: addTenWorkflow completes when run_created returns 500 | wrun_41M0K45FTF0GXV5G9Z894ZT8V3 | 🔍 observability

sveltekit-node (13 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
distributedAbortController - reconnect to existing controller | wrun_41M0K49GJY0GNZNT3YQH5697RJ | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run
setAttributes validation DX: invalid writes throw catchable FatalErrors naming rule and limit

sveltekit-quickjs (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
AbortController abortDeterministicBranchFromStepWorkflow: branches stay consistent when abort comes from a step
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting

tanstack-start-node (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0K3XT5D0GNHT1SBHVNC92H8 | 🔍 observability
distributedAbortController - reconnect to existing controller | wrun_41M0K49GJY0GNZNT3YQH5697RJ | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes validation DX: invalid writes throw catchable FatalErrors naming rule and limit

tanstack-start-quickjs (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortFromStepWorkflow: step abort cancels an in-flight sibling step
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting
setAttributes Promise.all of disjoint-key writes: every key lands

vite-node (7 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
distributedAbortController - reconnect to existing controller | wrun_41M0K49GJY0GNZNT3YQH5697RJ | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes fire-and-forget: void setAttributes lands without awaiting

vite-quickjs (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT | 🔍 observability
AbortController abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals
AbortController abortThrowIfAbortedMidFlightWorkflow: throwIfAborted in a polling loop bails when abort fires
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes setAttributesInsideStepWorkflow: step-body calls append attributed native events
setAttributes fire-and-forget: void setAttributes lands without awaiting

vercel-ws-transport (16 failed)

example (2 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT

express (5 failed):

concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly
setAttributes fire-and-forget: void setAttributes lands without awaiting

nextjs-turbopack (3 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4
setAttributes fire-and-forget: void setAttributes lands without awaiting

vite (6 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0K3YP9G0GVXPP2YB3PS9NQ0
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0K3XQ5T0GT0B072SDDM5WQ4
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0K3YT890GKH8XHJH8B416ZT
distributedAbortController - reconnect to existing controller | wrun_41M0K49GJY0GNZNT3YQH5697RJ
setAttributes start: initial attributes are seeded on run creation
setAttributes fire-and-forget: void setAttributes lands without awaiting

⚠️ Flaky E2E Tests (passed on retry)

These tests failed at least once and passed on a retry. A recurring entry here is a real race worth investigating.

44 flaky tests

abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals (nextjs-webpack)
abortDeterministicBranchFromStepWorkflow: branches stay consistent when abort comes from a step (astro)
abortDeterministicBranchFromStepWorkflow: branches stay consistent when abort comes from a step (nextjs-webpack)
abortFromStepWorkflow: step abort cancels an in-flight sibling step (astro)
abortListenerWorkflow: signal.addEventListener fires on the deserialized step signal (astro)
abortListenerWorkflow: signal.addEventListener fires on the deserialized step signal (hono)
abortListenerWorkflow: signal.addEventListener fires on the deserialized step signal (sveltekit)
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously (express)
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously (tanstack-start)
distributedAbortController - manual abort triggers signal (example)
distributedAbortController - manual abort triggers signal (tanstack-start)
distributedAbortController - reconnect to existing controller (express)
distributedAbortController - reconnect to existing controller (fastify)
fire-and-forget: void setAttributes lands without awaiting (nextjs-turbopack)
hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue (astro)
hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue (nuxt)
hookCleanupTestWorkflow - hook token reuse after workflow completion (fastify)
hookCleanupTestWorkflow - hook token reuse after workflow completion (nest)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (astro)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (fastify)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (nest)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (nextjs-turbopack)
Promise.all of disjoint-key writes: every key lands (astro)
Promise.all of disjoint-key writes: every key lands (nextjs-webpack)
Promise.all of disjoint-key writes: every key lands (tanstack-start)
resume-or-start route pattern - resumeHook retried after start() reaches the new run (express)
resume-or-start route pattern - resumeHook retried after start() reaches the new run (fastify)
resume-or-start route pattern - resumeHook retried after start() reaches the new run (nitro)
resume-or-start route pattern - resumeHook retried after start() reaches the new run (nuxt)
setAttributesInsideStepWorkflow: step-body calls append attributed native events (express)
setAttributesInsideStepWorkflow: step-body calls append attributed native events (nuxt)
setAttributesInsideStepWorkflow: step-body calls append attributed native events (vite)
start: initial attributes are seeded on run creation (example)
start: initial attributes are seeded on run creation (hono)
start: reserved-prefix initial attributes are seeded with allowReservedAttributes (nitro)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (example)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (fastify)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (nest)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (nextjs-turbopack)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (nextjs-webpack)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (nuxt)
workflow throws after awaited setAttributes: attribute still persists on the failed run (example)
workflow throws after awaited setAttributes: attribute still persists on the failed run (nuxt)
workflow throws after awaited setAttributes: attribute still persists on the failed run (tanstack-start)

🛠 Infra Events (absorbed by the harness)

Platform anomalies the e2e harness detected and worked around (e.g. a run the queue never picked up, replaced by a fresh run). Clustered timestamps indicate a backend blip; a steady drip indicates a platform issue worth escalating.

14 infra events

cold-start-warmup · suite warmup (python) · at 21:29:14Z · abandoned wrun_41M0K3H2R30GQJXEGMG67G09FW · (+7 more)
run-pickup-stall · promiseAllWorkflow (python) · at 21:29:30Z · abandoned wrun_41M0K3MQDE0GWG0RYDV6QF0YR1
run-pickup-stall · nullByteWorkflow (python) · at 21:29:30Z · abandoned wrun_41M0K3MQDQ0GV742PW7E69QXM9
run-pickup-stall · sleepingWorkflow (python) · at 21:29:30Z · abandoned wrun_41M0K3MQDK0GYHN8SBCDC66Z56
run-pickup-stall · cancelRun - cancelling a running workflow (python) · at 21:29:30Z · abandoned wrun_41M0K3MQRS0GRJNJNFF1KT46J4
run-pickup-stall · parallelSleepWorkflow (python) · at 21:29:31Z · abandoned wrun_41M0K3MQDK0GYHN8SBCDC66Z57
run-pickup-stall · cancelRun - cancelling a running workflow (python) · at 21:30:03Z · abandoned wrun_41M0K3NQG70GHWTRWRE9WV2YRM
run-pickup-stall · sleepingWorkflow (python) · at 21:30:31Z · abandoned wrun_41M0K3PJTK0GM69W0246S4ZQ9Y
run-pickup-stall · parallelSleepWorkflow (python) · at 21:30:31Z · abandoned wrun_41M0K3PJSV0GWNFQ1F7TEETTHV
run-pickup-stall · promiseAllWorkflow (python) · at 21:30:31Z · abandoned wrun_41M0K3PJRT0GRPQR144VKG8BD3
run-pickup-stall · nullByteWorkflow (python) · at 21:30:31Z · abandoned wrun_41M0K3PJT80GZM7ZYM77266NGV
run-pickup-stall · cancelRun via CLI - cancelling a running workflow (python) · at 21:31:21Z · abandoned wrun_41M0K3PQ2X0GSDWWK1SPGHHQ5D
run-pickup-stall · sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration (python) · at 21:33:03Z · abandoned wrun_41M0K3RMT60GQYFA70H4F2DSDS
run-pickup-stall · cancelRun via CLI - cancelling a running workflow (python) · at 21:33:03Z · abandoned wrun_41M0K3SEZE0GV2NTJB5ASQWMBV

E2E Test Summary

Summary

	Passed	Failed	Skipped	Total
❌ ▲ Vercel Production	3333	245	742	4320
✅ vercel-multi-region	27	0	0	27
❌ vercel-ws-transport	537	16	87	640
Total	3897	261	829	4987

Details by Category

❌ ▲ Vercel Production

App	Passed	Failed	Skipped
❌ astro-node	123	9	28
❌ astro-quickjs	123	9	28
❌ example-node	122	10	28
❌ example-quickjs	123	9	28
❌ express-node	124	8	28
❌ express-quickjs	122	10	28
❌ fastify-node	127	5	28
❌ fastify-quickjs	121	11	28
❌ hono-node	124	8	28
❌ hono-quickjs	121	11	28
❌ nest-node	122	10	28
❌ nest-quickjs	122	10	28
❌ nextjs-turbopack-node	152	5	3
❌ nextjs-turbopack-quickjs	149	8	3
❌ nextjs-webpack-node	149	8	3
❌ nextjs-webpack-quickjs	149	8	3
❌ nitro-node	122	10	28
❌ nitro-quickjs	123	9	28
❌ nuxt-node	124	8	28
❌ nuxt-quickjs	121	11	28
❌ python-node	0	8	152
❌ sveltekit-node	138	13	9
❌ sveltekit-quickjs	141	10	9
❌ tanstack-start-node	122	10	28
❌ tanstack-start-quickjs	122	10	28
❌ vite-node	125	7	28
❌ vite-quickjs	122	10	28

✅ vercel-multi-region

App	Passed	Failed	Skipped
✅ nextjs-turbopack	27	0	0

❌ vercel-ws-transport

App	Passed	Failed	Skipped
❌ example	130	2	28
❌ express	127	5	28
❌ nextjs-turbopack	154	3	3
❌ vite	126	6	28

📋 View full workflow run

github-actions · 2026-08-21T21:29:44Z

Sim World

Simulated world deterministic testing for races. Traces

🟠 world-sim scenario book — 1 fail of 41 total

fence=per-spec

scenario	outcome	events	virt	replay
✅ `smoke-no-steps`	completed	3	0ms	ok
✅ `smoke-one-step`	completed	6	0ms	ok
✅ `hook-at-step-started`	completed	12	0ms	ok
✅ `hook-at-step-completed`	completed	12	0ms	ok
✅ `hook-at-hook-created`	completed	12	0ms	ok
✅ `deadline-hook-wins`	completed	7	1.0h	ok
✅ `deadline-expires`	completed	7	1.0h	ok
✅ `long-sleep`	completed	11	30.0d	ok
✅ `hook-never-arrives`	stalled	3	0ms	skipped
✅ `step-retries-twice`	completed	10	2.0s	ok
✅ `parallel-steps`	completed	9	0ms	ok
✅ `hook-on-execution-state`	completed	12	0ms	ok
✅ `peek-hook-before-branch`	completed	12	0ms	ok
✅ `peek-hook-after-branch`	completed	12	0ms	ok
✅ `peek-hook-at-registration`	completed	12	0ms	ok
✅ `race-hook-before-probe`	completed	12	0ms	ok
✅ `race-hook-after-probe`	completed	12	0ms	ok
✅ `race-duplicate-delivery`	completed	13	0ms	ok
✅ `attr-hook-before-step`	completed	11	0ms	ok
✅ `attr-hook-after-step`	completed	11	0ms	ok
✅ `attr-from-step-body`	completed	13	0ms	ok
✅ `fork-hook-after-timeout`	completed	14	1.0m	ok
✅ `fork-hook-before-timeout`	completed	14	1.0m	ok
✅ `count-hook-after-timeout`	completed	17	1.0m	ok
✅ `count-hook-before-timeout`	completed	20	1.0m	ok
✅ `stale-read-step-count-fork`	completed	20	1.0m	ok
✅ `stale-read-equal-step-counts`	completed	14	1.0m	ok
✅ `step-vs-step-fork`	completed	12	0ms	ok
✅ `step-vs-step-fork-fenced`	completed	12	0ms	ok
✅ `fence-catches-benign-direction`	completed	12	5ms	ok
✅ `in-flight-before-decision`	completed	17	1.0m	ok
❌ `in-flight-before-decision-counted`	completed	17	1.0m	ok
✅ `in-flight-after-decision`	completed	19	2.0m	ok
✅ `stale-read-step-count-fork-fenced`	completed	20	1.0m	ok
✅ `fork-hook-wins`	completed	13	1.0m	ok
✅ `fork-timeout-wins`	completed	13	1.0m	ok
✅ `unclaimed-payload-under-fork`	completed	17	1.0m	ok
✅ `claimed-payload-under-fork`	completed	17	1.0m	ok
✅ `writers-independent-step-bodies`	completed	12	0ms	ok
✅ `writers-scripted-tempo`	completed	12	0ms	ok
✅ `cancel-mid-step`	cancelled	7	0ms	skipped

Full trace: world-sim.txt

test: Update WORKFLOW_SERVER_URL_OVERRIDE to https://workflow-server-…

661390a

…4vzg45hij.vercel.sh

vercel-gh-bot-2 Bot added the workflow-server-test label Aug 21, 2026

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[test] workflow-server PR #837 - #3727

[test] workflow-server PR #837#3727
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🧪 E2E Test Results

❌ Failed E2E Tests

⚠️ Flaky E2E Tests (passed on retry)

🛠 Infra Events (absorbed by the harness)

E2E Test Summary

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Sim World

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