[test] workflow-server PR #828 by vercel-gh-bot-2[bot] · Pull Request #3701 · vercel/workflow

vercel-gh-bot-2 · 2026-08-20T21:53:50Z

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

This PR will be automatically closed after 24 hours.

changeset-bot · 2026-08-20T21:53:56Z

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Latest commit: 63ed1dd

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vercel · 2026-08-20T21:54:04Z

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 8:03pm
example-nextjs-workflow-webpack	Ready	Preview, v0	Aug 21, 2026 8:03pm
example-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-astro-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-express-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-fastify-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-hono-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-nestjs-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-nitro-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-nuxt-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-python-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-sveltekit-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-tanstack-start-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workbench-vite-workflow	Ready	Preview, v0	Aug 21, 2026 8:03pm
workflow-docs	Ready	Preview, v0	Aug 21, 2026 8:03pm
workflow-swc-playground	Ready	Preview, v0	Aug 21, 2026 8:03pm
workflow-tarballs	Ready	Preview, v0	Aug 21, 2026 8:03pm
workflow-web	Ready	Preview, v0	Aug 21, 2026 8:03pm

github-actions · 2026-08-20T21:54:10Z

🧪 E2E Test Results

❌ Some tests failed

❌ Failed E2E Tests

▲ Vercel Production (204 failed)

astro-node (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0JYZBBJ0GH7HWVCFGBM9CNS | 🔍 observability
hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_41M0JYZ42Z0GH4WZT5SY986CDD | 🔍 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 workflow throws after awaited setAttributes: attribute still persists on the failed run

astro-quickjs (11 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
AbortController abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals
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 fire-and-forget: void setAttributes lands without awaiting
setAttributes workflow throws after awaited setAttributes: attribute still persists on the failed run

example-node (4 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
setAttributes start: initial attributes are seeded on run creation

example-quickjs (7 failed):

webhookWorkflow | wrun_41M0JYNMVS0GXBGT5V2QS57XF8 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 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

express-node (5 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 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

express-quickjs (10 failed):

hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
AbortController abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals
AbortController abortListenerWorkflow: signal.addEventListener fires on the deserialized step signal
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 workflow throws after awaited setAttributes: attribute still persists on the failed run

fastify-node (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
distributedAbortController - manual abort triggers signal | wrun_41M0JZ96Y40GVA1E7WD03V86TW | 🔍 observability
distributedAbortController - reconnect to existing controller | wrun_41M0JZAM210GZ2YGM48CD1E3KF | 🔍 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 workflow throws after awaited setAttributes: attribute still persists on the failed run

fastify-quickjs (7 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 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

hono-node (6 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes
setAttributes fire-and-forget: void setAttributes lands without awaiting

hono-quickjs (9 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
AbortController abortFromStepWorkflow: step abort cancels an in-flight sibling step
AbortController abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals
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

nest-node (7 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0JYZBBJ0GH7HWVCFGBM9CNS | 🔍 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

nest-quickjs (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
AbortController abortFromStepWorkflow: step abort cancels an in-flight sibling step
AbortController abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals
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 validation DX: invalid writes throw catchable FatalErrors naming rule and limit

nextjs-turbopack-node (2 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes

nextjs-turbopack-quickjs (7 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 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 (7 failed):

concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 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

nextjs-webpack-quickjs (11 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0JYZBBJ0GH7HWVCFGBM9CNS | 🔍 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

nitro-node (2 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability

nitro-quickjs (7 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0JYZBBJ0GH7HWVCFGBM9CNS | 🔍 observability
AbortController abortFromStepWorkflow: step abort cancels an in-flight sibling step
setAttributes start: initial attributes are seeded on run creation
setAttributes setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly

nuxt-node (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0JYZBBJ0GH7HWVCFGBM9CNS | 🔍 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

nuxt-quickjs (9 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0JYZBBJ0GH7HWVCFGBM9CNS | 🔍 observability
AbortController abortFromStepWorkflow: step abort cancels an in-flight sibling 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

python-node (8 failed):

promiseAllWorkflow | wrun_41M0JYMK0W0GXBVMQ55V7QWXDW | 🔍 observability
sleepingWorkflow | wrun_41M0JYPKHM0GM43SNKCWET3Y12 | 🔍 observability
parallelSleepWorkflow | wrun_41M0JYPMCZ0GPMQGP1CD0R0TFE | 🔍 observability
nullByteWorkflow | wrun_41M0JYQJKF0GNV2Z3S3GZ21VRZ | 🔍 observability
cancelRun - cancelling a running workflow | wrun_41M0JZ2YAA0GT4D62THVYP9C9X | 🔍 observability
cancelRun via CLI - cancelling a running workflow | wrun_41M0JZ33BR0GH40BNP9X6C7J26 | 🔍 observability
sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_41M0JZ3BNP0GJA5JWCGBM1C1SC | 🔍 observability
resilient start: addTenWorkflow completes when run_created returns 500 | wrun_41M0JZ4Z330GKTEAPGDTBSG79V | 🔍 observability

sveltekit-node (2 failed):

hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_41M0JYZ42Z0GH4WZT5SY986CDD | 🔍 observability

sveltekit-quickjs (10 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 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
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

tanstack-start-node (5 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_41M0JYZJJF0GQD2V2GMJS14C4X | 🔍 observability
distributedAbortController - manual abort triggers signal | wrun_41M0JZ96Y40GVA1E7WD03V86TW | 🔍 observability

tanstack-start-quickjs (11 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 observability
AbortController abortListenerWorkflow: signal.addEventListener fires on the deserialized step signal
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 validation DX: invalid writes throw catchable FatalErrors naming rule and limit

vite-node (9 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714 | 🔍 observability
distributedAbortController - manual abort triggers signal | wrun_41M0JZ96Y40GVA1E7WD03V86TW | 🔍 observability
distributedAbortController - reconnect to existing controller | wrun_41M0JZAM210GZ2YGM48CD1E3KF | 🔍 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

vite-quickjs (8 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2 | 🔍 observability
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT | 🔍 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

vercel-ws-transport (17 failed)

example (3 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT
resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_41M0JYZJJF0GQD2V2GMJS14C4X

express (5 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT
setAttributes start: initial attributes are seeded on run creation
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_41M0JYY7K60GXF3YV420SYFNB2
setAttributes start: initial attributes are seeded on run creation
setAttributes start: reserved-prefix initial attributes are seeded with allowReservedAttributes

vite (6 failed):

hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_41M0JYY7K60GXF3YV420SYFNB2
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_41M0JYX8KV0GZQ9X291RKSQ714
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_41M0JYYE620GGH5R5XN011HKJT
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable | wrun_41M0JYZBBJ0GH7HWVCFGBM9CNS
resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_41M0JYZJJF0GQD2V2GMJS14C4X
distributedAbortController - manual abort triggers signal | wrun_41M0JZ96Y40GVA1E7WD03V86TW

⚠️ 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.

39 flaky tests

abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals (fastify)
abortListenerWorkflow: signal.addEventListener fires on the deserialized step signal (fastify)
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 (fastify)
distributedAbortController - manual abort triggers signal (astro)
distributedAbortController - manual abort triggers signal (nuxt)
distributedAbortController - manual abort triggers signal (sveltekit)
fire-and-forget: void setAttributes lands without awaiting (express)
fire-and-forget: void setAttributes lands without awaiting (sveltekit)
hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue (nuxt)
hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue (tanstack-start)
hookCleanupTestWorkflow - hook token reuse after workflow completion (nextjs-webpack)
hookCleanupTestWorkflow - hook token reuse after workflow completion (sveltekit)
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered (nest)
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered (nextjs-turbopack)
hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered (vite)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (fastify)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (nextjs-webpack)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (tanstack-start)
hookMinRetentionWorkflow - terminal Hook cannot resume and its token stays unavailable (vite)
parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race (tanstack-start)
Promise.all of disjoint-key writes: every key lands (express)
Promise.all of disjoint-key writes: every key lands (nest)
Promise.all of disjoint-key writes: every key lands (nextjs-turbopack)
Promise.all of disjoint-key writes: every key lands (nuxt)
resume-or-start route pattern - resumeHook retried after start() reaches the new run (astro)
resume-or-start route pattern - resumeHook retried after start() reaches the new run (sveltekit)
setAttributesInsideStepWorkflow: step-body calls append attributed native events (astro)
setAttributesInsideStepWorkflow: step-body calls append attributed native events (express)
setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly (nextjs-turbopack)
setAttributesWorkflow: workflow-body calls append native attr_set events and merge correctly (sveltekit)
start: initial attributes are seeded on run creation (nextjs-webpack)
start: initial attributes are seeded on run creation (sveltekit)
start: reserved-prefix initial attributes are seeded with allowReservedAttributes (sveltekit)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (astro)
validation DX: invalid writes throw catchable FatalErrors naming rule and limit (express)
webhookWorkflow (nextjs-turbopack)
workflow throws after awaited setAttributes: attribute still persists on the failed run (nest)
workflow throws after awaited setAttributes: attribute still persists on the failed run (nextjs-turbopack)

🛠 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 20:03:14Z · abandoned wrun_41M0JYKKEE0GRMHRMBYMF737D7 · (+7 more)
run-pickup-stall · sleepingWorkflow (python) · at 20:03:30Z · abandoned wrun_41M0JYQ8C50GTGPA0FAP2FKA6K
run-pickup-stall · promiseAllWorkflow (python) · at 20:03:30Z · abandoned wrun_41M0JYQ8BZ0GZK0EQ0BASV8XQW
run-pickup-stall · nullByteWorkflow (python) · at 20:03:30Z · abandoned wrun_41M0JYQ8C80GKAVD6MBA2PM8NW
run-pickup-stall · parallelSleepWorkflow (python) · at 20:03:31Z · abandoned wrun_41M0JYQ8C50GTGPA0FAP2FKA6M
run-pickup-stall · cancelRun - cancelling a running workflow (python) · at 20:03:31Z · abandoned wrun_41M0JYQ8S70GRE3G07X74K3JWS
run-pickup-stall · cancelRun - cancelling a running workflow (python) · at 20:04:04Z · abandoned wrun_41M0JYR8QH0GJ8TDP88619F1B1
run-pickup-stall · sleepingWorkflow (python) · at 20:04:31Z · abandoned wrun_41M0JYS41P0GJQ3X2T1ZCWYJ8P
run-pickup-stall · nullByteWorkflow (python) · at 20:04:31Z · abandoned wrun_41M0JYS41R0GHGNXW0FWPFNGKT
run-pickup-stall · parallelSleepWorkflow (python) · at 20:04:32Z · abandoned wrun_41M0JYS3YA0GP4PZ7K0YK0JBNH
run-pickup-stall · promiseAllWorkflow (python) · at 20:04:32Z · abandoned wrun_41M0JYS3YQ0GW6J6JK5FEECM6W
run-pickup-stall · cancelRun via CLI - cancelling a running workflow (python) · at 20:05:22Z · abandoned wrun_41M0JYS8QG0GKB0NTK66DPEN2P
run-pickup-stall · cancelRun via CLI - cancelling a running workflow (python) · at 20:07:03Z · abandoned wrun_41M0JYW0M20GW0BVSKP7FNC5YN
run-pickup-stall · sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration (python) · at 20:07:44Z · abandoned wrun_41M0JYVVTX0GPE4TJA3VJ4443A

E2E Test Summary

Summary

	Passed	Failed	Skipped	Total
❌ ▲ Vercel Production	3374	204	742	4320
✅ vercel-multi-region	27	0	0	27
❌ vercel-ws-transport	536	17	87	640
Total	3937	221	829	4987

Details by Category

❌ ▲ Vercel Production

App	Passed	Failed	Skipped
❌ astro-node	122	10	28
❌ astro-quickjs	121	11	28
❌ example-node	128	4	28
❌ example-quickjs	125	7	28
❌ express-node	127	5	28
❌ express-quickjs	122	10	28
❌ fastify-node	122	10	28
❌ fastify-quickjs	125	7	28
❌ hono-node	126	6	28
❌ hono-quickjs	123	9	28
❌ nest-node	125	7	28
❌ nest-quickjs	122	10	28
❌ nextjs-turbopack-node	155	2	3
❌ nextjs-turbopack-quickjs	150	7	3
❌ nextjs-webpack-node	150	7	3
❌ nextjs-webpack-quickjs	146	11	3
❌ nitro-node	130	2	28
❌ nitro-quickjs	125	7	28
❌ nuxt-node	122	10	28
❌ nuxt-quickjs	123	9	28
❌ python-node	0	8	152
❌ sveltekit-node	149	2	9
❌ sveltekit-quickjs	141	10	9
❌ tanstack-start-node	127	5	28
❌ tanstack-start-quickjs	121	11	28
❌ vite-node	123	9	28
❌ vite-quickjs	124	8	28

✅ vercel-multi-region

App	Passed	Failed	Skipped
✅ nextjs-turbopack	27	0	0

❌ vercel-ws-transport

App	Passed	Failed	Skipped
❌ example	129	3	28
❌ express	127	5	28
❌ nextjs-turbopack	154	3	3
❌ vite	126	6	28

📋 View full workflow run

github-actions · 2026-08-20T21:57:23Z

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

…77sykmiuf.vercel.sh

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

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[test] workflow-server PR #828 - #3701

[test] workflow-server PR #828#3701
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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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