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[web] Show event markers for step_started events#636

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VaguelySerious merged 5 commits into
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Dec 17, 2025
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[web] Show event markers for step_started events#636
VaguelySerious merged 5 commits into
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peter/started-events

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@VaguelySerious VaguelySerious commented Dec 17, 2025

This is both helpful for debugging, and also looks nicer than the previous createdAt/startedAt separation we had, so I replaced that design with just these markers:
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🦋 Changeset detected

Latest commit: 0b54135

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
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@workflow/web-shared Patch

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Starter 🥇 Next.js (Turbopack) 0.038s (-3.3%) 1.013s (~) 0.975s 10 1.00x
🌐 Redis Next.js (Turbopack) 0.041s (~) 1.016s (~) 0.975s 10 1.08x
💻 Local Next.js (Turbopack) 0.043s (+8.7% 🔺) 1.020s (~) 0.977s 10 1.11x
💻 Local Nitro 0.043s (~) 1.006s (~) 0.963s 10 1.13x
💻 Local Express 0.045s (+3.2%) 1.007s (~) 0.962s 10 1.17x
🌐 Turso Next.js (Turbopack) 0.096s (-12.8% 🟢) 1.013s (~) 0.917s 10 2.52x
🌐 MongoDB Next.js (Turbopack) 0.128s (+65.6% 🔺) 1.014s (~) 0.887s 10 3.34x
🐘 Postgres Next.js (Turbopack) 0.131s (-26.1% 🟢) 1.019s (-0.6%) 0.888s 10 3.43x
🐘 Postgres Nitro 0.305s (~) 1.013s (~) 0.708s 10 7.98x
🐘 Postgres Express 0.352s (-2.0%) 1.014s (~) 0.662s 10 9.22x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 0.509s (-4.8%) 1.567s (~) 1.059s 10 1.00x
▲ Vercel Next.js (Turbopack) 0.522s (-7.2% 🟢) 1.565s (+7.0% 🔺) 1.043s 10 1.03x
▲ Vercel Nitro 0.559s (+11.6% 🔺) 1.543s (+14.4% 🔺) 0.984s 10 1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 1 step

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Starter 🥇 Next.js (Turbopack) 1.088s (~) 2.009s (~) 0.921s 10 1.00x
💻 Local Next.js (Turbopack) 1.103s (+0.7%) 2.012s (~) 0.908s 10 1.01x
🌐 Redis Next.js (Turbopack) 1.104s (~) 2.012s (~) 0.908s 10 1.02x
💻 Local Nitro 1.111s (~) 2.006s (~) 0.895s 10 1.02x
💻 Local Express 1.114s (~) 2.006s (~) 0.892s 10 1.02x
🌐 MongoDB Next.js (Turbopack) 1.302s (-0.6%) 2.012s (~) 0.710s 10 1.20x
🌐 Turso Next.js (Turbopack) 1.307s (+1.4%) 2.011s (~) 0.704s 10 1.20x
🐘 Postgres Nitro 2.155s (~) 3.014s (~) 0.859s 10 1.98x
🐘 Postgres Express 2.211s (+1.7%) 3.014s (~) 0.803s 10 2.03x
🐘 Postgres Next.js (Turbopack) 2.458s (+29.6% 🔺) 3.017s (+49.2% 🔺) 0.558s 10 2.26x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 2.627s (+3.3%) 3.755s (+5.5% 🔺) 1.129s 10 1.00x
▲ Vercel Express 2.651s (+2.0%) 3.636s (~) 0.986s 10 1.01x
▲ Vercel Nitro 2.676s (+7.8% 🔺) 3.546s (~) 0.871s 10 1.02x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Starter 🥇 Next.js (Turbopack) 10.570s (~) 11.012s (~) 0.442s 5 1.00x
💻 Local Next.js (Turbopack) 10.677s (~) 11.018s (~) 0.340s 5 1.01x
🌐 Redis Next.js (Turbopack) 10.685s (~) 11.017s (~) 0.332s 5 1.01x
💻 Local Nitro 10.781s (~) 11.012s (~) 0.231s 5 1.02x
💻 Local Express 10.801s (~) 11.011s (~) 0.210s 5 1.02x
🌐 Turso Next.js (Turbopack) 12.181s (~) 13.021s (~) 0.840s 5 1.15x
🌐 MongoDB Next.js (Turbopack) 12.291s (~) 13.035s (~) 0.743s 5 1.16x
🐘 Postgres Next.js (Turbopack) 20.316s (+31.2% 🔺) 21.039s (+29.5% 🔺) 0.722s 5 1.92x
🐘 Postgres Nitro 20.404s (~) 21.029s (~) 0.626s 5 1.93x
🐘 Postgres Express 20.435s (+22.3% 🔺) 21.032s (+20.6% 🔺) 0.598s 5 1.93x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 20.879s (-3.5%) 21.638s (-3.9%) 0.759s 5 1.00x
▲ Vercel Nitro 21.196s (+2.1%) 22.065s (+1.2%) 0.869s 5 1.02x
▲ Vercel Next.js (Turbopack) 21.362s (+2.8%) 22.093s (+2.7%) 0.731s 5 1.02x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 parallel steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Redis 🥇 Next.js (Turbopack) 1.336s (-1.5%) 2.010s (~) 0.674s 5 1.00x
🌐 Starter Next.js (Turbopack) 1.365s (~) 2.007s (~) 0.642s 5 1.02x
💻 Local Next.js (Turbopack) 1.366s (+0.6%) 2.011s (~) 0.645s 5 1.02x
💻 Local Express 1.381s (~) 2.007s (~) 0.626s 5 1.03x
💻 Local Nitro 1.386s (-0.6%) 2.006s (~) 0.619s 5 1.04x
🌐 MongoDB Next.js (Turbopack) 2.125s (~) 3.015s (~) 0.890s 5 1.59x
🌐 Turso Next.js (Turbopack) 2.209s (+2.1%) 3.015s (~) 0.806s 5 1.65x
🐘 Postgres Next.js (Turbopack) 2.385s (+16.7% 🔺) 3.016s (+24.7% 🔺) 0.631s 5 1.79x
🐘 Postgres Nitro 2.596s (-1.8%) 3.010s (~) 0.415s 5 1.94x
🐘 Postgres Express 2.644s (+8.7% 🔺) 3.013s (+7.1% 🔺) 0.369s 5 1.98x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 3.908s (+2.7%) 4.744s (+4.6%) 0.836s 5 1.00x
▲ Vercel Next.js (Turbopack) 3.981s (+7.0% 🔺) 4.792s (+3.9%) 0.811s 5 1.02x
▲ Vercel Nitro 4.996s (+9.7% 🔺) 5.922s (+10.4% 🔺) 0.926s 5 1.28x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

stress test: Promise.all with 100 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Starter 🥇 Next.js (Turbopack) 6.315s (-3.2%) 6.563s (-5.3% 🟢) 0.248s 5 1.00x
🌐 Redis Next.js (Turbopack) 8.034s (-0.9%) 8.516s (+0.7%) 0.482s 4 1.27x
🐘 Postgres Nitro 8.967s (+1.2%) 9.396s (+1.8%) 0.429s 4 1.42x
🐘 Postgres Express 8.997s (+2.7%) 9.119s (-0.6%) 0.122s 4 1.42x
🐘 Postgres Next.js (Turbopack) 9.062s (-2.5%) 9.370s (-4.6%) 0.308s 4 1.43x
💻 Local Nitro 13.434s (-3.3%) 13.627s (-2.5%) 0.193s 3 2.13x
💻 Local Express 14.078s (+1.3%) 14.359s (+2.4%) 0.281s 3 2.23x
💻 Local Next.js (Turbopack) 14.932s (+5.3% 🔺) 15.347s (+6.9% 🔺) 0.414s 2 2.36x
🌐 MongoDB Next.js (Turbopack) 19.806s (~) 20.532s (~) 0.726s 2 3.14x
🌐 Turso Next.js (Turbopack) 20.328s (+2.8%) 20.534s (~) 0.206s 2 3.22x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 20.633s (+5.3% 🔺) 21.371s (+6.1% 🔺) 0.738s 2 1.00x
▲ Vercel Nitro 21.218s (+10.5% 🔺) 22.022s (+10.5% 🔺) 0.804s 2 1.03x
▲ Vercel Next.js (Turbopack) 21.297s (+15.8% 🔺) 22.219s (+18.6% 🔺) 0.922s 2 1.03x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

stress test: Promise.race with 100 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Starter 🥇 Next.js (Turbopack) 6.550s (-2.6%) 6.803s (-1.6%) 0.253s 5 1.00x
🌐 Redis Next.js (Turbopack) 8.551s (+2.5%) 9.216s (+4.2%) 0.665s 4 1.31x
🐘 Postgres Nitro 9.449s (~) 10.023s (+3.5%) 0.574s 3 1.44x
🐘 Postgres Express 9.456s (~) 10.196s (+0.7%) 0.740s 3 1.44x
🐘 Postgres Next.js (Turbopack) 9.730s (-5.6% 🟢) 10.000s (-6.2% 🟢) 0.269s 4 1.49x
💻 Local Nitro 15.245s (~) 15.534s (~) 0.289s 3 2.33x
💻 Local Next.js (Turbopack) 16.266s (+6.4% 🔺) 16.575s (+7.4% 🔺) 0.309s 2 2.48x
💻 Local Express 16.297s (+9.6% 🔺) 16.386s (+8.7% 🔺) 0.089s 2 2.49x
🌐 MongoDB Next.js (Turbopack) 19.950s (~) 20.531s (~) 0.581s 2 3.05x
🌐 Turso Next.js (Turbopack) 20.037s (~) 20.555s (~) 0.518s 2 3.06x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 20.602s (-10.4% 🟢) 21.534s (-9.7% 🟢) 0.933s 2 1.00x
▲ Vercel Nitro 21.273s (-4.8%) 22.236s (-3.6%) 0.963s 2 1.03x
▲ Vercel Express 22.608s (+2.0%) 23.230s (~) 0.623s 2 1.10x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Stream Benchmarks (includes TTFB metrics)
workflow with stream

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🌐 Starter 🥇 Next.js (Turbopack) 0.130s (-0.5%) 1.005s (~) 0.000s (NaN%) 1.010s (~) 0.881s 10 1.00x
🌐 Redis Next.js (Turbopack) 0.141s (-8.7% 🟢) 1.005s (~) 0.000s (NaN%) 1.013s (~) 0.872s 10 1.09x
💻 Local Next.js (Turbopack) 0.143s (+3.1%) 1.003s (~) 0.018s (+21.1% 🔺) 1.029s (~) 0.886s 10 1.11x
💻 Local Express 0.177s (~) 0.991s (~) 0.015s (-2.7%) 1.021s (~) 0.844s 10 1.37x
💻 Local Nitro 0.177s (~) 0.992s (~) 0.014s (-11.6% 🟢) 1.019s (~) 0.842s 10 1.37x
🌐 MongoDB Next.js (Turbopack) 0.501s (-1.1%) 0.949s (+0.6%) 0.000s (NaN%) 1.013s (~) 0.512s 10 3.87x
🌐 Turso Next.js (Turbopack) 0.524s (+9.4% 🔺) 0.928s (-4.4%) 0.000s (+Infinity% 🔺) 1.012s (~) 0.488s 10 4.04x
🐘 Postgres Next.js (Turbopack) 1.153s (+37.2% 🔺) 1.893s (+120.6% 🔺) 0.000s (-95.3% 🟢) 2.018s (+79.8% 🔺) 0.866s 10 8.90x
🐘 Postgres Nitro 1.409s (-38.8% 🟢) 1.764s (-35.6% 🟢) 0.000s (NaN%) 2.012s (-33.2% 🟢) 0.603s 10 10.87x
🐘 Postgres Express 2.281s (+144.5% 🔺) 2.761s (+171.8% 🔺) 0.000s (~) 3.015s (+148.7% 🔺) 0.734s 10 17.60x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 2.414s (-6.3% 🟢) 2.908s (-3.4%) 0.384s (+44.2% 🔺) 3.722s (+1.8%) 1.308s 10 1.00x
▲ Vercel Nitro 2.510s (+4.5%) 3.087s (+2.1%) 0.406s (+96.7% 🔺) 3.910s (+8.5% 🔺) 1.400s 10 1.04x
▲ Vercel Express 2.534s (+6.5% 🔺) 3.203s (+16.4% 🔺) 0.727s (+72.8% 🔺) 4.367s (+20.9% 🔺) 1.834s 10 1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World 🥇 Fastest Framework Wins
💻 Local Next.js (Turbopack) 5/7
🐘 Postgres Next.js (Turbopack) 4/7
▲ Vercel Express 4/7
Fastest World by Framework

Winner determined by most benchmark wins

Framework 🥇 Fastest World Wins
Express 💻 Local 5/7
Next.js (Turbopack) 🌐 Starter 6/7
Nitro 💻 Local 5/7
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run

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🧪 E2E Test Results

Some tests failed

Summary

Passed Failed Skipped Total
✅ ▲ Vercel Production 286 0 11 297
✅ 💻 Local Development 262 0 8 270
✅ 📦 Local Production 262 0 8 270
✅ 🐘 Local Postgres 262 0 8 270
✅ 🪟 Windows 27 0 0 27
❌ 🌍 Community Worlds 109 11 0 120
Total 1208 11 35 1254

❌ Failed Tests

🌍 Community Worlds (11 failed)

mongodb (1 failed):

  • webhookWorkflow

redis (1 failed):

  • webhookWorkflow

starter (8 failed):

  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step

turso (1 failed):

  • webhookWorkflow

Details by Category

✅ ▲ Vercel Production
App Passed Failed Skipped
✅ astro 26 0 1
✅ example 26 0 1
✅ express 26 0 1
✅ fastify 26 0 1
✅ hono 26 0 1
✅ nextjs-turbopack 26 0 1
✅ nextjs-webpack 26 0 1
✅ nitro 26 0 1
✅ nuxt 26 0 1
✅ sveltekit 26 0 1
✅ vite 26 0 1
✅ 💻 Local Development
App Passed Failed Skipped
✅ astro-stable 26 0 1
✅ express-stable 26 0 1
✅ fastify-stable 26 0 1
✅ hono-stable 26 0 1
✅ nextjs-turbopack-stable 27 0 0
✅ nextjs-webpack-stable 27 0 0
✅ nitro-stable 26 0 1
✅ nuxt-stable 26 0 1
✅ sveltekit-stable 26 0 1
✅ vite-stable 26 0 1
✅ 📦 Local Production
App Passed Failed Skipped
✅ astro-stable 26 0 1
✅ express-stable 26 0 1
✅ fastify-stable 26 0 1
✅ hono-stable 26 0 1
✅ nextjs-turbopack-stable 27 0 0
✅ nextjs-webpack-stable 27 0 0
✅ nitro-stable 26 0 1
✅ nuxt-stable 26 0 1
✅ sveltekit-stable 26 0 1
✅ vite-stable 26 0 1
✅ 🐘 Local Postgres
App Passed Failed Skipped
✅ astro-stable 26 0 1
✅ express-stable 26 0 1
✅ fastify-stable 26 0 1
✅ hono-stable 26 0 1
✅ nextjs-turbopack-stable 27 0 0
✅ nextjs-webpack-stable 27 0 0
✅ nitro-stable 26 0 1
✅ nuxt-stable 26 0 1
✅ sveltekit-stable 26 0 1
✅ vite-stable 26 0 1
✅ 🪟 Windows
App Passed Failed Skipped
✅ nextjs-turbopack 27 0 0
❌ 🌍 Community Worlds
App Passed Failed Skipped
✅ mongodb-dev 3 0 0
❌ mongodb 26 1 0
✅ redis-dev 3 0 0
❌ redis 26 1 0
✅ starter-dev 3 0 0
❌ starter 19 8 0
✅ turso-dev 3 0 0
❌ turso 26 1 0

📋 View full workflow run

Comment thread packages/web-shared/src/sidebar/events-list.tsx Outdated
@VaguelySerious VaguelySerious merged commit c6f33ee into main Dec 17, 2025
85 checks passed
@VaguelySerious VaguelySerious deleted the peter/started-events branch December 17, 2025 09:35
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