middleapi/orpc `32e1281f..866cc1e5`

base and head as given

Durable event streaming entered the product as a new package
Cloudflare chat now depends on the worker's application router
A token-signing dependency entered durable event streaming
Reconnectable WebSocket support entered durable event streaming

files changed: 49
in a component: 26
lines in components: 1,238
components: 8
public routes changed: 0
schema statements: 0
new dependencies: 6
excluded by role: 23

Where to focus your review

Check callers of removed or renamed exports7 components with export changes. Check compatibility and intended visibility.
Verify behavior in dependent codeFollow the import paths below and exercise the consumers they reach.
Check external contracts and rolloutReview detected route, migration and package changes with their callers and deployment order.

Based on 12 of 26 eligible changed files

Durable event streaming

Added

Before: did not exist
After: signed durable iterators are available

Applications can return a signed asynchronous event iterator from an RPC call. Clients open a reconnecting WebSocket for events, replay retained events after reconnecting, and can call only token-listed iterator methods remotely.

In favour

In favour: Restricts remote iterator calls to token-listed methods
In favour: Retains recent events for reconnect recovery

Against

Against: Root and client layers form a 10-edge import cycle

Inspect 7 source files behind this explanation

Chat room transport

Modified

Before: Chat opened a dedicated WebSocket
After: Chat uses shared RPC and iterator plugin

The chat screen now requests its event stream through the application's shared RPC client and receives an asynchronous iterator. Messages continue to be sent through the same client while the worker upgrades event connections through the durable iterator layer.

In favour

In favour: Uses one client path for chat requests and events

The model found nothing to weigh against this.

Inspect 5 source files behind this explanation

Files changed in 8 components (6 shown). Dependencies shown: 5 new, 1 removed, 1 unchanged

unchanged · 1new · 5removed · 13 components added

5 new dependencies between components — Durable Objects → Event Iterator API · Event Iterator API → Event Iterator Client · Event Iterator Client → Event Iterator API · Durable Objects → Event Iterator Client · Chat Room Library → Worker Routing

1 dependency no longer there — Chat Room Library → Chat Room Objects

What else could behave differently

7 components · 20 files

These components import changed code, directly or through other files. A traced dependency is a place to review, not a confirmed runtime failure.

Reached 3

Component	Symbol	Cited at	Files	Reached by
Chat Room Libraryplaygrounds/cloudflare-worker/src/lib/	Removed `router`1 of 3 changed symbols reaching it	playgrounds/cloudflare-worker/worker/dos/chat-room.ts:17-37before	2	2 direct Trace path Shortest component path from the changed symbol: Chat Room Objects Chat Room Library Later steps follow file imports; they do not prove this symbol is called.
Event Iterator APIpackages/durable-event-iterator/src/	Added `ClientDurableEventIterator`1 of 12 changed symbols reaching it	packages/durable-event-iterator/src/client/event-iterator.ts:24-31	5	4 direct · 1 at two steps Trace path Shortest component path from the changed symbol: Event Iterator Client Event Iterator API Later steps follow file imports; they do not prove this symbol is called.
Worker Routingplaygrounds/cloudflare-worker/worker/	Signature changed `ChatRoom`	playgrounds/cloudflare-worker/worker/dos/chat-room.ts:5-18	1	1 direct Trace path Shortest component path from the changed symbol: Chat Room Objects Worker Routing Later steps follow file imports; they do not prove this symbol is called.

Ranked lower 4

Component	Files	Reached by
packages/durable-event-iterator/src/client/	4	3 direct · 1 at two steps
packages/durable-event-iterator/src/durable-object/	5	4 direct · 1 at two steps
playgrounds/cloudflare-worker/src/	2	1 direct · 1 at two steps
playgrounds/cloudflare-worker/src/components/	1	1 direct

Statements 3

Removing the chat-room router reached 2 files in the Chat Room Library. 2

chat-room.ts:17-37before

Adding ClientDurableEventIterator reached 5 files in the Event Iterator API. 41

event-iterator.ts:24-31

ChatRoom's signature change reached 1 file in Worker Routing. 1

chat-room.ts:5-18

9 reached files belong to no component — tests, docs and config.

Routes, schema, dependencies

What	Object	Where
+ dependency	@cloudflare/workers-types@^4.20250617.0	declared, and used by no file in any component
+ dependency	@orpc/experimental-durable-event-iterator@next	playgrounds/cloudflare-worker/worker/index.ts:3
+ dependency	@types/better-sqlite3@^7.6.13	declared, and used by no file in any component
+ dependency	better-sqlite3@^12.0.0	declared, and used by no file in any component
+ dependency	jose@^6.0.11	packages/durable-event-iterator/src/client/event-iterator.ts:6
+ dependency	partysocket@^1.1.4	packages/durable-event-iterator/src/client/plugin.ts:12

6 statements, with the lines behind them

Declared, and used by no file in any component.

@orpc/experimental-durable-event-iterator version next was added.

index.ts:3

Declared, and used by no file in any component.

jose version ^6.0.11 was added.

event-iterator.ts:6

partysocket version ^1.1.4 was added.

plugin.ts:12

Inspect components, files and symbols

Component

Chat Room ObjectsModified

playgrounds/cloudflare-worker/worker/dos/

1 file · 81 lines

exports, dependency, 1 dependent

Chat Room Objects removed the router export.

Chat room transport, modified

Chat Room LibraryModified

playgrounds/cloudflare-worker/src/lib/

2 files · 32 lines

exports, dependency, 1 dependent

The Chat Room Library added client and removed chatRoomClient from its exports.

One Chat Room Library file was dissolved, and Git tracked 0 moves as renames.

Chat room transport, modified

Event Iterator APIAdded

packages/durable-event-iterator/src/

8 files · 327 lines

dependency, 2 dependents

The Event Iterator API added 13 exports.

Durable event streaming, added

Worker RoutingModified

playgrounds/cloudflare-worker/worker/

1 file · 63 lines

dependency, 1 dependent

Worker Routing added the router export.

Chat room transport, modified

Event Iterator ClientAdded

packages/durable-event-iterator/src/client/

5 files · 237 lines

dependency, 2 dependents

The Event Iterator Client added 10 exports.

Durable event streaming, added

Durable ObjectsAdded

packages/durable-event-iterator/src/durable-object/

7 files · 484 lines

dependency

Durable Objects added 14 exports.

Durable event streaming, added

Shared UtilitiesModified

packages/shared/src/

1 file · 2 lines

1 dependent

ranked lower · 0.09

Shared Utilities added the JsonValue export.

Durable event streaming, added

Chat Room ComponentsModified

playgrounds/cloudflare-worker/src/components/

1 file · 12 lines

1 dependent

ranked lower · 0.07

Chat room transport, modified

File

Event Iterator APIpackages/durable-event-iterator/src/

event-iterator.ts

+108 −0

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

event-iterator.test-d.ts

+81 −0

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

plugin.ts

+70 −0

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

object.ts

+24 −0

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

object.test-d.ts

+19 −0

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

schemas.ts

+17 −0

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

index.ts

+5 −0

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

consts.ts

+3 −0

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

plugin.ts

+124 −0

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

event-iterator.ts

+80 −0

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

event-iterator.test-d.ts

+18 −0

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

contract.ts

+13 −0

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

index.ts

+2 −0

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

event-storage.ts

+145 −0

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

object.ts

+104 −0

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

websocket-manager.ts

+103 −0

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

upgrade.ts

+66 −0

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

handler.ts

+59 −0

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

index.ts

+5 −0

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

consts.ts

+2 −0

Durable event streaming, added

Shared Utilitiespackages/shared/src/

index.ts

+1 −1

Durable event streaming, added

Chat Room Objectsplaygrounds/cloudflare-worker/worker/dos/

chat-room.ts

+12 −69

Chat room transport, modified

Chat Room Libraryplaygrounds/cloudflare-worker/src/lib/

chat-room.ts

+0 −16

Chat room transport, modified

Chat Room Libraryplaygrounds/cloudflare-worker/src/lib/

orpc.ts

+16 −0

Chat room transport, modified

Worker Routingplaygrounds/cloudflare-worker/worker/

index.ts

+50 −13

Chat room transport, modified

Chat Room Componentsplaygrounds/cloudflare-worker/src/components/

chat-room.tsx

+8 −4

Chat room transport, modified

Function

imports what changeddownstream of it, one mark per step

durableEventIteratorContract()contract.ts

reaches 2 components

Adding durableEventIteratorContract reached 4 files in the Event Iterator Client. 31

contract.ts:5-13

Adding durableEventIteratorContract reached 5 files in Durable Objects. 41

contract.ts:5-13

Durable event streaming, added

ChatRoom()chat-room.tsx

reaches playgrounds/cloudflare-worker/src/

ChatRoom's body change reached 2 files in the Cloudflare Worker source. 11

chat-room.tsx:4-49

Chat room transport, modified

chatRoomClient()chat-room.ts

reaches Chat Room Components

Removing chatRoomClient reached 1 file in Chat Room Components. 1

chat-room.ts:16before

Chat room transport, modified

Diff

Event Iterator APIpackages/durable-event-iterator/src/

event-iterator.ts

1–108

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

event-iterator.test-d.ts

1–81

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

plugin.ts

1–70

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

object.ts

1–24

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

object.test-d.ts

1–19

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

schemas.ts

1–17

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

index.ts

1–5

Durable event streaming, added

Event Iterator APIpackages/durable-event-iterator/src/

consts.ts

1–3

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

plugin.ts

1–124

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

event-iterator.ts

1–80

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

event-iterator.test-d.ts

1–18

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

contract.ts

1–13

Durable event streaming, added

Event Iterator Clientpackages/durable-event-iterator/src/client/

index.ts

1–2

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

event-storage.ts

1–145

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

object.ts

1–104

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

websocket-manager.ts

1–103

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

upgrade.ts

1–66

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

handler.ts

1–59

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

index.ts

1–5

Durable event streaming, added

Durable Objectspackages/durable-event-iterator/src/durable-object/

consts.ts

1–2

Durable event streaming, added

Shared Utilitiespackages/shared/src/

index.ts

16–16

Durable event streaming, added

Chat Room Objectsplaygrounds/cloudflare-worker/worker/dos/

chat-room.ts

1–2, 5–12, 15–16

Chat room transport, modified

Chat Room Libraryplaygrounds/cloudflare-worker/src/lib/

chat-room.ts

1–16

Chat room transport, modified

Chat Room Libraryplaygrounds/cloudflare-worker/src/lib/

orpc.ts

1–16

Chat room transport, modified

Worker Routingplaygrounds/cloudflare-worker/worker/

index.ts

1–35, 37–44, 47–53

Chat room transport, modified

Chat Room Componentsplaygrounds/cloudflare-worker/src/components/

chat-room.tsx

2–2, 6–6, 12–16 and 1 more span

Chat room transport, modified

Analysis scope

1145 → 8

1,145
files at head
117
components
8
changed by this change
6
shown above of 8

Where the new files landed

21 new files

New file	Belongs to	Used by	Calls	Serves
playgrounds/cloudflare-worker/src/lib/orpc.tsimports 1 package this change added	Chat Room Librarybase frame	Chat Room Components	Worker Routing	—
packages/durable-event-iterator/src/8 new filesimports 1 package this change added	Event Iterator APInew territory	Event Iterator ClientDurable Objects	Event Iterator Client	.
packages/durable-event-iterator/src/client/5 new filesimports 2 packages this change added	Event Iterator Clientnew territory	Event Iterator APIDurable Objects	Event Iterator API	./client
packages/durable-event-iterator/src/durable-object/7 new filesimports 1 package this change added	Durable Objectsnew territory	—	Event Iterator APIEvent Iterator Client	./durable-object

17 added files carry no component — 11 test, 4 config, 2 docs.

8components changed

1reached, not changed

3components added/removed

5dependencies added between components

1dependencies removed between components

0files moved to another path

49 files changed, 29 claims stated. 7 components reached in total.