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[test] workflow-server PR #878 - #3886

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[test] workflow-server PR #878#3886
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@vercel-gh-bot-4 vercel-gh-bot-4 Bot commented Aug 28, 2026

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

This PR will be automatically closed after 24 hours.

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changeset-bot Bot commented Aug 28, 2026 •
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⚠️ No Changeset found

Latest commit: db00e6a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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@vercel

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

Project Deployment Actions Updated (UTC)
example-nextjs-workflow-turbopack Ready Ready Preview, v0 Aug 28, 2026 5:34pm
example-nextjs-workflow-webpack Ready Ready Preview, v0 Aug 28, 2026 5:34pm
example-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-astro-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-express-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-fastify-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-hono-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-nestjs-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-nitro-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-nuxt-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-python-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-sveltekit-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
workbench-tanstack-start-workflow Ready Ready Preview, v0 Aug 28, 2026 5:34pm
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workflow-web Ready Ready Preview, v0 Aug 28, 2026 5:34pm

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🧪 E2E Test Results

❌ Some tests failed

❌ Failed E2E Tests

▲ Vercel Production (8 failed)

python-node (8 failed):

  • promiseAllWorkflow | wrun_41M14Q3GJW0GZRBN7Q59SVRMN2 | 🔍 observability
  • sleepingWorkflow | wrun_41M14Q47010GR7S99R9CC4WDNN | 🔍 observability
  • parallelSleepWorkflow | wrun_41M14Q486Q0GH4BFG5WNDABNVS | 🔍 observability
  • nullByteWorkflow | wrun_41M14Q4FR70GZ568MK2K1XDEVT | 🔍 observability
  • cancelRun - cancelling a running workflow | wrun_41M14Q8SN40GNS9K2B5NMGGF33 | 🔍 observability
  • cancelRun via CLI - cancelling a running workflow | wrun_41M14Q8VEN0GG7158QKM4FRKXR | 🔍 observability
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_41M14Q93HG0GJEG964Y2402SYW | 🔍 observability
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_41M14Q9NJC0GNGBS0WXPN9PQWT | 🔍 observability
vercel-http-transport (19 failed)

nextjs-turbopack (19 failed):

  • DurableAgent e2e core basic text response
  • DurableAgent e2e core single tool call
  • DurableAgent e2e core multiple sequential tool calls
  • DurableAgent e2e core tool error recovery
  • DurableAgent e2e onStepFinish fires constructor + stream callbacks in order with step data
  • DurableAgent e2e onFinish fires constructor + stream callbacks in order with event data
  • DurableAgent e2e provider tools provider tool identity preserved across step boundaries
  • DurableAgent e2e provider tools mixed provider and function tools
  • DurableAgent e2e instructions string instructions are passed to the model
  • DurableAgent e2e timeout completes within timeout
  • DurableAgent e2e experimental_onStart (GAP) completes but callbacks are not called (GAP)
  • DurableAgent e2e experimental_onStepStart (GAP) completes but callbacks are not called (GAP)
  • DurableAgent e2e experimental_onToolCallStart (GAP) completes but callbacks are not called (GAP)
  • DurableAgent e2e experimental_onToolCallFinish (GAP) completes but callbacks are not called (GAP)
  • DurableAgent e2e prepareCall (GAP) completes but prepareCall is not applied (GAP)
  • DurableAgent e2e prepareStep on constructor agent-level prepareStep is called for each LLM step
  • DurableAgent e2e prepareStep on constructor stream-level prepareStep overrides constructor-level
  • DurableAgent e2e multimodal tool results passes through LanguageModelV3ToolResultOutput from tools
  • DurableAgent e2e tool approval (GAP) completes but needsApproval is not checked (GAP)

⚠️ 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.

  • getTailIndex returns correct index after stream completes (example)

🛠 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.

15 infra events
  • cold-start-warmup · suite warmup (python) · at 17:33:28Z · abandoned wrun_41M14PTD2Q0GG2KTM83G76J5DD · (+7 more)
  • run-pickup-stall · cancelRun - cancelling a running workflow (python) · at 17:33:47Z · abandoned wrun_41M14PY2W00GP2PB2CFJHFDAVG
  • run-pickup-stall · sleepingWorkflow (python) · at 17:33:47Z · abandoned wrun_41M14PY2F30GHV3CH5EBS58JAH
  • run-pickup-stall · promiseAllWorkflow (python) · at 17:33:48Z · abandoned wrun_41M14PY2EX0GP2DYWM6VF6FK1S
  • run-pickup-stall · parallelSleepWorkflow (python) · at 17:33:48Z · abandoned wrun_41M14PY2F30GHV3CH5EBS58JAJ
  • run-pickup-stall · nullByteWorkflow (python) · at 17:33:50Z · abandoned wrun_41M14PY2F70GMCJ6A2CDJWTSGJ
  • run-pickup-stall · cancelRun - cancelling a running workflow (python) · at 17:34:25Z · abandoned wrun_41M14PZ6840GHWWSPTAEFJ3T4P
  • run-pickup-stall · sleepingWorkflow (python) · at 17:34:49Z · abandoned wrun_41M14PZZ4R0GXJYVCY5TK7T80T
  • run-pickup-stall · parallelSleepWorkflow (python) · at 17:34:52Z · abandoned wrun_41M14Q00E50GJ8GT5739QG8773
  • run-pickup-stall · nullByteWorkflow (python) · at 17:34:53Z · abandoned wrun_41M14PZZQR0GXV79YDFMCCRQPW
  • run-pickup-stall · promiseAllWorkflow (python) · at 17:34:54Z · abandoned wrun_41M14Q03KJ0GJPBPKYP4BP95NV
  • run-pickup-stall · cancelRun via CLI - cancelling a running workflow (python) · at 17:35:33Z · abandoned wrun_41M14Q0G1N0GMZKH77296W9GTX
  • run-pickup-stall · sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration (python) · at 17:36:35Z · abandoned wrun_41M14Q24DH0GG30QEPETMJDPV1
  • run-pickup-stall · cancelRun via CLI - cancelling a running workflow (python) · at 17:37:26Z · abandoned wrun_41M14Q37Y70GXKC551DWSXB40X
  • run-pickup-stall · sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration (python) · at 17:38:08Z · abandoned wrun_41M14Q4WA20GYVGSZZ79BRW8G0

E2E Test Summary

Summary
Passed Failed Skipped Total
❌ ▲ Vercel Production 3570 8 742 4320
❌ vercel-http-transport 264 19 677 960
✅ vercel-multi-region 27 0 0 27
✅ vercel-ws-transport 553 0 87 640
Total 4414 27 1506 5947
Details by Category

❌ ▲ Vercel Production

App Passed Failed Skipped
✅ astro-node 132 0 28
✅ astro-quickjs 132 0 28
✅ example-node 132 0 28
✅ example-quickjs 132 0 28
✅ express-node 132 0 28
✅ express-quickjs 132 0 28
✅ fastify-node 132 0 28
✅ fastify-quickjs 132 0 28
✅ hono-node 132 0 28
✅ hono-quickjs 132 0 28
✅ nest-node 132 0 28
✅ nest-quickjs 132 0 28
✅ nextjs-turbopack-node 157 0 3
✅ nextjs-turbopack-quickjs 157 0 3
✅ nextjs-webpack-node 157 0 3
✅ nextjs-webpack-quickjs 157 0 3
✅ nitro-node 132 0 28
✅ nitro-quickjs 132 0 28
✅ nuxt-node 132 0 28
✅ nuxt-quickjs 132 0 28
❌ python-node 0 8 152
✅ sveltekit-node 151 0 9
✅ sveltekit-quickjs 151 0 9
✅ tanstack-start-node 132 0 28
✅ tanstack-start-quickjs 132 0 28
✅ vite-node 132 0 28
✅ vite-quickjs 132 0 28

❌ vercel-http-transport

App Passed Failed Skipped
✅ example 0 0 160
✅ express 132 0 28
✅ hono 0 0 160
❌ nextjs-turbopack 0 19 141
✅ nitro 132 0 28
✅ vite 0 0 160

✅ vercel-multi-region

App Passed Failed Skipped
✅ nextjs-turbopack 27 0 0

✅ vercel-ws-transport

App Passed Failed Skipped
✅ example 132 0 28
✅ express 132 0 28
✅ nextjs-turbopack 157 0 3
✅ vite 132 0 28

📋 View full workflow run

@github-actions

github-actions Bot commented Aug 28, 2026 •
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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 violations
✅ smoke-no-steps completed 3 0ms ok 0
✅ smoke-one-step completed 6 0ms ok 0
✅ hook-at-step-started completed 12 0ms ok 0
✅ hook-at-step-completed completed 12 0ms ok 0
✅ hook-at-hook-created completed 12 0ms ok 0
✅ deadline-hook-wins completed 7 1.0h ok 0
✅ deadline-expires completed 7 1.0h ok 0
✅ long-sleep completed 11 30.0d ok 0
✅ hook-never-arrives stalled 3 0ms skipped 0
✅ step-retries-twice completed 10 2.0s ok 0
✅ parallel-steps completed 9 0ms ok 0
✅ hook-on-execution-state completed 12 0ms ok 0
✅ peek-hook-before-branch completed 12 0ms ok 0
✅ peek-hook-after-branch completed 12 0ms ok 0
✅ peek-hook-at-registration completed 12 0ms ok 0
✅ race-hook-before-probe completed 12 0ms ok 0
✅ race-hook-after-probe completed 12 0ms ok 0
✅ race-duplicate-delivery completed 13 0ms ok 0
✅ attr-hook-before-step completed 11 0ms ok 0
✅ attr-hook-after-step completed 11 0ms ok 0
✅ attr-from-step-body completed 13 0ms ok 0
✅ fork-hook-after-timeout completed 14 1.0m ok 0
✅ fork-hook-before-timeout completed 14 1.0m ok 0
✅ count-hook-after-timeout completed 17 1.0m ok 0
✅ count-hook-before-timeout completed 20 1.0m ok 0
✅ stale-read-step-count-fork completed 20 1.0m ok 0
✅ stale-read-equal-step-counts completed 14 1.0m ok 0
✅ step-vs-step-fork completed 12 0ms ok 0
✅ step-vs-step-fork-fenced completed 12 0ms ok 0
✅ fence-catches-benign-direction completed 12 5ms ok 0
✅ in-flight-before-decision completed 17 1.0m ok 0
❌ in-flight-before-decision-counted completed 17 1.0m ok 0
✅ in-flight-after-decision completed 19 2.0m ok 0
✅ stale-read-step-count-fork-fenced completed 20 1.0m ok 0
✅ fork-hook-wins completed 13 1.0m ok 0
✅ fork-timeout-wins completed 13 1.0m ok 0
✅ unclaimed-payload-under-fork completed 17 1.0m ok 0
✅ claimed-payload-under-fork completed 17 1.0m ok 0
✅ writers-independent-step-bodies completed 12 0ms ok 0
✅ writers-scripted-tempo completed 12 0ms ok 0
✅ cancel-mid-step cancelled 7 0ms skipped 0

Full trace: world-sim.txt

@github-actions

github-actions Bot commented Aug 28, 2026 •
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Framework Flow route Step reg. Framework output
hono 200.9 KiB (±0) 40.4 KiB (±0) 1.76 MiB (+37 B)
nextjs-turbopack 206.3 KiB (±0) 439 B (±0) 763.7 KiB (-17 B)
About these numbers

Sizes are gzip; parentheses show the change against main.
Flow route and Step reg. gate this job, on raw bytes rather than the gzip shown, at max(2%, 50.0 KiB). Framework output is informational.

db00e6a · run

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