feat(eve): add authenticated create-once sessions by ruiconti · Pull Request #1772 · vercel/eve

ruiconti · 2026-08-07T05:47:34Z

Adds operationId to authenticated session creation as an independently complete channel feature.

before: retrying POST /eve/v1/session could start and dispatch more than one session
after: the first active owner of (principal, operationId) wins; existing and concurrent retries return that session without dispatching duplicate input

Principal identity is a domain-separated tuple of authenticator, issuer, principal type, and principal ID. Anonymous callers cannot use the shared operation namespace. The included basic-runtime eval proves concurrent and serial retries produce one initial message/model step, and that the same operation under another issuer owns a different session.

This PR contains no task or subagent consumer. PR 3 uses the API for replay-safe remote child creation.

Signed-off-by: Rui Conti <ruiconti@gmail.com>

vercel · 2026-08-07T05:47:42Z

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Project	Deployment	Actions	Updated (UTC)
eve-docs	Ready	Preview	Aug 7, 2026 5:49am

github-actions · 2026-08-07T05:51:02Z

Bundle + Package Summary: `apps/fixtures/weather-agent`

Key takeaways

No notable deltas vs tasks-v4/01-kernel (fcfa74f).

Delta vs `tasks-v4/01-kernel (fcfa74f)`

Area	Metric	Baseline	Current	Delta
Package	Packed tarball	7.68 MB	7.68 MB	+993 B ⚠️
Package	Unpacked publish size	28.74 MB	28.74 MB	+2.3 kB ⚠️
Package	Installed footprint	72.17 MB	72.17 MB	+2.3 kB ⚠️
Package	Published files	3052	3052	0
Package	Installed files	6760	6760	0
Runtime	Unique function payloads	2	2	0
Runtime	Total function bytes	17.14 MB	17.15 MB	+4.5 kB ⚠️
Runtime	Public routes	13	13	0

Changed function payloads vs tasks-v4/01-kernel (fcfa74f) (2)

Function	Status	Baseline	Current	Delta	Route changes
`functions/__server.func`	changed	8.57 MB	8.57 MB	+2.3 kB ⚠️	none
`functions/.well-known/workflow/v1/flow.func`	changed	8.57 MB	8.57 MB	+2.3 kB ⚠️	none

`eve init` install

Metric	Baseline	Current	Delta
Installed footprint	110.58 MB	110.58 MB	+2.3 kB ⚠️
Installed packages	121	121	0
dependencies	4	4	0
devDependencies	2	2	0
Dependency package bytes	43.22 MB	43.22 MB	+2.3 kB ⚠️
devDependency package bytes	5.04 MB	5.04 MB	0 B ➖

Build Metadata

Preset: vercel
Nitro: nitro@3.0.260610-beta
Output directory: apps/fixtures/weather-agent/.vercel/output
Build metadata timestamp: 2026-08-07T05:50:14.581Z
Route aliases: 13 public, 1 internal (14 total aliases)
Vercel routes in config: 16
Severity legend: 🔴 dominant/large, 🟠 notable, 🟡 watch, ⚪ small

Package Drill-Down

Package Details

Package: eve@0.30.7
Package directory: packages/eve
Tarball: 7.68 MB (eve-0.30.7.tgz)
Unpacked payload: 28.74 MB across 3052 published files
Installed footprint: 72.17 MB across 6760 installed files
Installed root package: 27.39 MB
Installed dependencies: 44.78 MB
Runtime dependencies: 2
Peer dependencies: 5 (4 optional)

Installed footprint is measured from an isolated temporary npm install of the packed tarball.

Heavy installed dependencies

eve: 27.39 MB (37.9%)
@rolldown/binding-linux-x64-gnu: 19.35 MB (26.8%)
ai: 6.67 MB (9.2%)
zod: 5.07 MB (7.0%)
undici: 3.50 MB (4.9%)

Publish payload breakdown

Published file size
🔴 dist/src/compiled/shadcn-registry/index.js       [################........] 9.68 MB 33.7%
🟠 dist/src/compiled/@photon-ai/chat-adapter-ime... [####....................] 2.42 MB 8.4%
🟠 dist/src/compiled/experimental-ai-sdk-code-mo... [###.....................] 1.51 MB 5.2%
🟡 dist/src/compiled/_chunks/node/undici-DWL_MYm... [#.......................] 502.4 kB 1.7%
🟡 dist/src/compiled/_chunks/workflow/undici-DWL... [#.......................] 502.4 kB 1.7%
🔴 Other published files                            [########################] 14.13 MB 49.1%

Installed footprint breakdown

Installed package size
🔴 eve                             [########################] 27.39 MB 37.9%
🔴 @rolldown/binding-linux-x64-gnu [#################.......] 19.35 MB 26.8%
🔴 ai                              [######..................] 6.67 MB 9.2%
🔴 zod                             [####....................] 5.07 MB 7.0%
🟠 undici                          [###.....................] 3.50 MB 4.9%
🟠 nitro                           [##......................] 2.41 MB 3.3%
🔴 Other installed packages        [#######.................] 7.79 MB 10.8%

Runtime dependencies (2)

Package	Range	Notes
`nitro`	`3.0.260610-beta`
`undici`	`8.9.0`

Peer dependencies (5)

Package	Range	Notes
`@opentelemetry/api`	`^1.0.0`	optional peer
`ai`	`catalog:`
`braintrust`	`^3.0.0`	optional peer
`just-bash`	`^3.0.0`	optional peer
`microsandbox`	`^0.5.0`	optional peer

eve init install drill-down

`eve init` install details

Command: eve init my-agent
Package manager: npm
Installed footprint: 110.58 MB across 8636 installed files
Installed packages: 121 total (115 transitive-only)
dependencies: 4 direct packages totaling 43.22 MB
devDependencies: 2 direct packages totaling 5.04 MB
Other transitive package files: 62.32 MB

Installed footprint is measured from an isolated temporary eve init my-agent using the current packed eve tarball.

Heavy installed dependencies

@typescript/typescript-linux-x64: 27.95 MB (25.3%)
eve: 27.39 MB (24.8%)
@rolldown/binding-linux-x64-gnu: 19.35 MB (17.5%)
zod: 9.02 MB (8.2%)
ai: 6.67 MB (6.0%)

Installed footprint breakdown

Installed package size
🔴 @typescript/typescript-linux-x64 [########################] 27.95 MB 25.3%
🔴 eve                              [########################] 27.39 MB 24.8%
🔴 @rolldown/binding-linux-x64-gnu  [#################.......] 19.35 MB 17.5%
🔴 zod                              [########................] 9.02 MB 8.2%
🔴 ai                               [######..................] 6.67 MB 6.0%
🟠 undici                           [###.....................] 3.50 MB 3.2%
🔴 Other installed packages         [##############..........] 16.70 MB 15.1%

dependencies (4)

Package	Range	Installed size	Share
`@vercel/connect`	`0.4.3`	141.0 kB	0.1%
`ai`	`^7.0.38`	6.67 MB	6.0%
`eve`	`file:eve-0.30.7.tgz`	27.39 MB	24.8%
`zod`	`4.4.3`	9.02 MB	8.2%

devDependencies (2)

Package	Range	Installed size	Share
`@types/node`	`24.x`	2.54 MB	2.3%
`typescript`	`7.0.2`	2.50 MB	2.3%

Function Drill-Down

Payload Size Graph

Unique function payload size and share of total
🔴 functions/.well-known/workflow/v1/flow.func     [########################] 8.57 MB 50.0%
🔴 functions/__server.func                         [########################] 8.57 MB 50.0%

Top Function Payloads

🟠 functions/.well-known/workflow/v1/flow.func • 1 public route • 8.57 MB

Metric	Value
Public routes	`/.well-known/workflow/v1/flow`
Runtime	`nodejs24.x`
Handler	`index.mjs`
Payload	8.57 MB
Function files	8.57 MB across 44 files
Traced dependencies	0 B
Signal	🟠 Bundled file `index.mjs` is 2.39 MB (27.9%)

🟠 🔎 Dependency Analysis

📦 Bundled files:

Bundled file size
🟠 index.mjs                       [########################] 2.39 MB 27.9%
🟠 _chunks/runtime-artifacts.mjs   [################........] 1.62 MB 18.9%
🟡 _libs/undici.mjs                [##########..............] 980.5 kB 11.4%
🟡 _chunks/sandbox.mjs             [########................] 769.0 kB 9.0%
🟡 _libs/@ai-sdk/gateway+[...].mjs [####....................] 432.8 kB 5.0%
🟠 Other bundled files             [########################] 2.38 MB 27.8%

🧾 Vercel Config

{
  "handler": "index.mjs",
  "launcherType": "Nodejs",
  "shouldAddHelpers": false,
  "supportsResponseStreaming": true,
  "runtime": "nodejs24.x",
  "maxDuration": "max",
  "experimentalTriggers": [
    {
      "type": "queue/v2beta",
      "topic": "__eve776561746865722d6167656e74_wkf_workflow_*",
      "consumer": "default",
      "retryAfterSeconds": 5,
      "initialDelaySeconds": 0
    }
  ],
  "environment": {
    "WORKFLOW_PRECONDITION_GUARD": "1"
  }
}

🟠 functions/__server.func • 12 public routes, 1 internal alias • 8.57 MB

Metric	Value
Public routes	`/` `/eve/v1/callback/[token]` `/eve/v1/connections/[name]/callback/[token]` `/eve/v1/health` `/eve/v1/info` `/eve/v1/session` `/eve/v1/session/[sessionId]` `/eve/v1/session/[sessionId]/cancel` `/eve/v1/session/[sessionId]/stream` `/eve/v1/session/clear` `/eve/v1/session/compact` `/eve/v1/session/reset`
Internal aliases	`/__server`
Runtime	`nodejs24.x`
Handler	`index.mjs`
Payload	8.57 MB
Function files	8.57 MB across 44 files
Traced dependencies	0 B
Signal	🟠 Bundled file `index.mjs` is 2.39 MB (27.9%)

🟠 🔎 Dependency Analysis

📦 Bundled files:

Bundled file size
🟠 index.mjs                       [########################] 2.39 MB 27.9%
🟠 _chunks/runtime-artifacts.mjs   [################........] 1.62 MB 18.9%
🟡 _libs/undici.mjs                [##########..............] 980.5 kB 11.4%
🟡 _chunks/sandbox.mjs             [########................] 769.0 kB 9.0%
🟡 _libs/@ai-sdk/gateway+[...].mjs [####....................] 432.8 kB 5.0%
🟠 Other bundled files             [########################] 2.38 MB 27.8%

🧾 Vercel Config

{
  "handler": "index.mjs",
  "launcherType": "Nodejs",
  "shouldAddHelpers": false,
  "supportsResponseStreaming": true,
  "runtime": "nodejs24.x"
}

Build Timing: `e2e/fixtures/agent-tools-sandbox`

This is an informational timing measurement inside eve build, from preflight through publication. Output-size measurement and profile writing are excluded.

Build mode: deployable Vercel build with sandbox template prewarm included.

Build pipeline: 2.16 s -> 2.05 s (-111.5 ms) vs tasks-v4/01-kernel (fcfa74f).
Timing is informational: shared GitHub runners are too variable for a hard timing budget.

Detailed phase timings vs `tasks-v4/01-kernel (fcfa74f)`

Phase	Baseline	Current	Delta
`extension.check`	4.0 ms	7.9 ms	+3.9 ms
`project.resolve`	0.9 ms	2.3 ms	+1.4 ms
`workspace.create`	1.9 ms	1.0 ms	-0.9 ms
`host.prepare`	229.0 ms	216.4 ms	-12.6 ms
`vercel.service-prefix.resolve`	1.6 ms	1.6 ms	0.0 ms
`nitro.create`	199.2 ms	207.9 ms	+8.7 ms
`sandbox.prewarm`	371.7 ms	291.7 ms	-80.0 ms
`nitro.cache.prepare`	0.3 ms	0.2 ms	-0.1 ms
`nitro.prepare`	0.7 ms	0.6 ms	-0.1 ms
`nitro.public-assets`	0.7 ms	0.7 ms	0.0 ms
`nitro.prerender`	0.6 ms	0.5 ms	-0.1 ms
`nitro.bundle`	1.33 s	1.29 s	-33.0 ms
`nitro.cache.write`	0.3 ms	0.3 ms	0.0 ms
`vercel.workflow-function.materialize`	17.3 ms	18.1 ms	+0.8 ms
`agent-summary.emit`	0.5 ms	0.5 ms	0.0 ms
`nitro.close`	0.1 ms	0.1 ms	0.0 ms
`output.publish`	2.8 ms	2.9 ms	+0.1 ms
`workspace.remove`	1.6 ms	1.8 ms	+0.2 ms

feat(eve): add authenticated create-once sessions

c5d02e5

Signed-off-by: Rui Conti <ruiconti@gmail.com>

ruiconti mentioned this pull request Aug 7, 2026

test(e2e): gate the final background task contract #1774

Open

vercel Bot deployed to Preview – eve-docs August 7, 2026 05:49 View deployment

ruiconti mentioned this pull request Aug 7, 2026

fix(eve): complete background task lifecycle routing #1757

Closed

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feat(eve): add authenticated create-once sessions - #1772

feat(eve): add authenticated create-once sessions#1772
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tasks-v4/01-kernelfrom
tasks-v4/02-create-once

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Bundle + Package Summary: apps/fixtures/weather-agent

Delta vs tasks-v4/01-kernel (fcfa74f)

eve init install

Package Details

eve init install details

Payload Size Graph

Top Function Payloads

Build Timing: e2e/fixtures/agent-tools-sandbox

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Bundle + Package Summary: `apps/fixtures/weather-agent`

Delta vs `tasks-v4/01-kernel (fcfa74f)`

`eve init` install

`eve init` install details

Build Timing: `e2e/fixtures/agent-tools-sandbox`