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v1.64.2
14031 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Ben Taylor
|
9607d3a684 |
fix(channels): isolate factory-returned agents per turn (#6265)
## Summary Every Channel turn now runs on an agent instance nobody else holds a reference to, for **both** configured shapes — the singleton config and the result of an `agent: (threadId) => …` factory. This is a fresh start on #6260 (thanks @AlemTuzlak and @maxkorp — the isolation change is theirs). That PR carried a per-run runner thread id and a per-run lock namespace, both of which broke managed ingestion and were removed during review. Rather than keep iterating on a branch whose description had drifted from its diff, this restates the change from `main` with an accurate root cause and the two corrections below. **This is a concurrency-isolation fix.** Two overlapping mentions on one conversation currently get prompted with each other's questions; that is reproduced below and fixed here. It is *not* a fix for "only the first mention gets a reply" — see [What the original report actually was](#what-the-original-report-actually-was), which turns out to have been fixed already in #6256. ## Root cause `createChannel` resolves an agent per turn through `agentFactory`. The singleton config was cloned per turn; a factory's result was returned raw: ```ts if (typeof a === "function") return (threadId: string) => sanitize(a(threadId)); ``` A factory is free to return the same object on every call — `agent: (threadId) => shared` — which is easy to write by accident, and is what a singleton becomes when someone refactors to get at the `threadId`. That matters because **turn concurrency defaults to `"parallel"`** (`ChannelConcurrency`), and the only per-thread admission gate lives in `channels-intelligence` (`ChannelDeliveryTransport.activeThreads`, added in #6257). A **directly connected** adapter — Slack, Discord, Teams, Telegram, WhatsApp — has no such gate, so two turns in one conversation can genuinely run at the same time. On one shared instance they corrupt each other: - `messages` is a single array both runs append into, so each run's new-message diff picks up the other's - `isRunning`, `activeRunDetach$` and `activeRunCompletionPromise` are single-slot fields the second run overwrites while the first is still streaming - managed delivery instead serializes on **object identity** (`DeliveryAdapter.acquireAgent`), so two *different* conversations sharing one instance head-of-line block each other - managed `historyIds` is a `WeakMap` keyed on the agent, so a second concurrent turn clobbers the first's "which messages are new" baseline ## Changes - **Clone for both shapes.** A fresh factory (`() => new Agent()`) is unaffected beyond one unused instance. - **Guard the failure that mandatory cloning introduces.** `AbstractAgent.prototype.clone()` copies a fixed field list, so a subclass declaring its own state (auth client, config, cache) reads it back as `undefined` — and nothing surfaces it, because the base method always exists and returns a correctly-typed instance. Comparing own enumerable keys catches exactly that and names the dropped fields. - Own **functions** are exempt. Assigning a method on the instance is how spies and instrumentation wrap an agent, and losing that wrapper leaves the prototype method intact, so the clone still behaves correctly. This is not hypothetical — an unconditional check failed 8 existing tests in this repo, all of which patch `runAgent` on the instance. - **Reset `isRunning` / `abortController` on the clone**, commented as hygiene rather than as a fix: `runAgent` assigns `abortController = params?.abortController ?? new AbortController()` before every run and the run loop passes none, so an inherited aborted controller cannot reach the next request. Noted inline that this discards `HttpAgent.clone()`'s deliberate propagation of the source's aborted state. - **Correct the `clone()` error text** — it offered the factory as an escape hatch, which cloning factory results removes. - **Test scaffolding**: one `patchAgentAndClones` / `captureSessionAgents` pair replaces five hand-rolled copies of the same recursive clone-patching setup. - **Remove `ChannelAgentConcurrencyError`** — unthrown since #6256. Its doc said it was kept so older importers would not break, but `channels-intelligence` exports only `.` and never re-exported it from `index.ts` (`git log -S` over that file confirms it never did), so nothing outside the package could ever reach it. - **Preventive regression guard** in `channel-canonical-run.test.ts`: the thread id reaching `runner.run` must stay the canonical product thread id. `IntelligenceAgentRunner` sends it as `thread_id` when joining `ingestion:<runId>` and the gateway resolves it against `cpki.threads`, so decorating it fails the join with `thread_not_found`. Nothing decorates it on `main` — this pins the invariant so that stays true. ### Two things #6260 asserted that are not true Recording these so they don't get re-derived: 1. **There is no lock-key leak to fix.** #6260 forwarded `lockKeyPrefix` on lock cleanup, described as fixing a prefixed lock acquired under one key and released under another. Intelligence `main` has `threadLockKey = (organizationId, threadId) => \`thread:${org}:${threadId}:lock\`` — no prefix parameter — and `lockKeyPrefix` is read **nowhere** in `apps/`. Acquire, renew and cleanup all hit the same unprefixed key, so nothing leaks. My own review said the same thing and was equally wrong. Omitted here. 2. **A loud failure for dropped subclass fields *is* available** — #6260 states none is. It's the guard above. ## What the original report actually was #6260 framed this as fixing "2+ **sequential** mentions, only the first gets a reply." That framing was wrong, and the sequential mechanism it implied does not exist. #6256's own root cause is the accurate one: > Tagging a Slack bot multiple times (or five people asking in one thread) only answered the first turn. Root cause was SDK turn locking (`onLockConflict: drop`) and managed per-thread exclusive agent execution — not Intelligence ingress. Those are **overlapping** mentions, and both causes were fixed in #6256. There was never a sequential bug: the stated mechanism cannot produce one, because both real adapters replace the message list before the run — managed does `agent.messages = [...history]`, Slack does `agent.messages = history` plus a fresh per-turn threadId. Subscribers are passed per-run to `runAgent(params, subscriber)` rather than accumulated, `session.release?.()` sits in a `finally`, and `isRunning` is cleared by `runAgent`'s own `finally`. What #6256 left behind is the last hole in *its* story, and it is what this PR closes: under the new parallel default, `agent: (id) => shared` still hands both turns one instance. Both turns reply — so the symptom is not a dead turn — but each is prompted with the other user's question. Reproduced above. ## Follow-ups worth filing (not in this PR) Two of the four I flagged are handled in this PR (the dead error class, and the sequential mystery — resolved above). Two are not, deliberately: 1. **`lockKeyPrefix` is a no-op end to end**, yet configured in two mainline Intelligence demos (`demos/splat-demo/bff/src/main.ts:371`, `demos/simple-agent/bff/src/main.ts:457`). Deleting it is a breaking removal of a public `CopilotRuntime` option spanning ~30 references across `runtime.ts`, `channel-manager.ts`, `client.ts`, `fetch-handler.ts` and `handlers/intelligence/run.ts`, and it needs a lockstep Intelligence PR for the demos. It also carries a real product question — implement per-prefix locks server-side (the closed #669) or drop the concept. Too big and too breaking to ride along here. 2. **Directly connected adapters have no equivalent of #6257's per-thread admission gate.** A design decision, not a removal: #6256 deliberately made same-conversation turns parallel. Adjacent to OSS-686's cross-replica question, where the unprefixed thread lock is the only fence spanning replicas. ## Testing Everything below was run in-session on this branch, based on `fcc8616e91`. **Automated** | Suite | Result | |---|---| | `nx run @copilotkit/channels-core:test` | 190 passed (33 files) — was 187, +3 new | | `nx run @copilotkit/channels-intelligence:test` | 92 passed (15 files) | | `nx run @copilotkit/channels-slack:test` | 318 passed (23 files) | | `nx run @copilotkit/channels-teams:test` | 90 passed (14 files) | | `nx run @copilotkit/runtime:test` | 1813 passed (128 files) | | `nx run @copilotkit/channels-core:check-types` | pass | | `oxfmt` + `oxlint` on changed files | clean (4 pre-existing warnings) | The first `runtime` run had one failure — `[Fetch] Debug Events > streams debug event envelopes…` in `node-servers.integration.test.ts`. It passes in isolation and passed on a full re-run; it is a full-suite flake, unrelated to this change (the only runtime change here is a test assertion in a different file). **The bug is reproduced at the symptom level.** Two overlapping turns, a factory returning a shared instance, each run reporting what it believes it was asked — read while both turns are in flight. Against `main`'s source: ``` expected [ 'first+second', 'first+second' ] to deeply equal [ 'first', 'second' ] ``` Both runs saw both users' questions. With the fix each run sees only its own. The test asserts the symptom before the mechanism, so a regression reports that rather than an object-identity puzzle. **The new tests fail without the fix.** Verified by swapping in `main`'s `create-channel.ts` via `git show` and re-running with the tests kept: ``` × factory returning a shared instance isolates each turn from the others AssertionError: expected FakeAgent{…} not to be FakeAgent{…} // Object.is equality × agent whose clone() drops subclass state fails loud AssertionError: promise resolved "undefined" instead of rejecting ✓ does not fail loud when clone() drops an instance-patched method ← passes both ways, by design ``` The third is a regression guard on the guard itself: it must pass before *and* after, or the check is too strict. **`clone()` behavior probed directly against the installed `@ag-ui/client` 0.0.57**, rather than assumed — this is what the guard is built on: ``` CustomAgent source own keys: …,authClient,…,retries,… CustomAgent clone own keys: (authClient and retries absent) CustomAgent authClient on clone: undefined | retries: undefined CustomAgent instanceof CustomAgent: true ← typed correctly, silently gutted CustomAgent dropped: [ 'authClient', 'retries' ] ← detector fires HttpAgent dropped: [ ] ← no false positive ``` `HttpAgent`, `LangGraphAgent`, `BuiltInAgent` and `IntelligenceAgent` all override `clone()` and stay quiet. `SanitizingHttpAgent` (channels-slack/teams) declares no own fields, so its prototype methods survive untouched. `ChannelOuterAgent` has three own fields and no override, but never passes through `isolateAgentInstance` — it goes straight to `runner.run`. **Not verified:** a live managed-gateway turn. Carried over from #6260 as still unchecked. ## Behavior change to be aware of The new guard turns a previously silent failure into a startup-time throw for anyone using a custom `AbstractAgent` subclass **with its own state and no `clone()` override**. Via the singleton config that shape was already broken (silently); via a factory it used to work. It's a real break, it's loud, and the message names the fields and the fix. Flagging it explicitly rather than burying it in a doc comment. |
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Benjamin Taylor
|
eb9643a2f2 |
fix(channels): assert per-turn isolation by symptom, drop dead concurrency error
Strengthen the shared-instance-factory test to assert the user-visible defect rather than object identity. Two overlapping turns through `agent: (id) => shared` both read the one shared `messages` array, so each run is prompted with the other user's question too. Against main's source the test now reports exactly that: expected [ 'first+second', 'first+second' ] to deeply equal [ 'first', 'second' ] The symptom is asserted before the mechanism so a regression names the defect instead of posing an object-identity puzzle. This also settles what the original "only the first mention gets a reply" report was: overlapping mentions dropped by the old `onLockConflict: drop` default plus the managed per-thread exclusive gate, both already fixed in #6256. Both turns do reply here; what was left was cross-contaminated context, not a dead turn. Remove `ChannelAgentConcurrencyError`, unthrown since #6256. Its doc claimed it was kept so older importers would not break, but it was never re-exported from `channels-intelligence`'s entrypoint — `git log -S` over index.ts confirms it was never reachable from outside the package, whose only export is `.`. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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Benjamin Taylor
|
9725663035 |
fix(channels): isolate factory-returned agents per turn
`createChannel` resolved an agent per turn through `agentFactory`, which cloned the singleton config but returned a factory's result raw. A factory is free to hand back the same object every call — `agent: (threadId) => shared` — which is easy to write by accident and is what a singleton becomes when someone needs the `threadId`. Turn concurrency defaults to `"parallel"`, and only the managed adapter serializes same-thread deliveries, so on a directly connected adapter two turns in one conversation can run at once. On one shared instance they corrupt each other: `messages` is a single array both runs append into, so each run's new-message diff picks up the other's, and `isRunning` / `activeRunDetach$` / `activeRunCompletionPromise` are single-slot fields the second run overwrites while the first is still streaming. Managed delivery instead serializes on object identity, head-of-line blocking two different conversations that share one instance. Clone for both shapes so the object a turn runs on is never one the caller still holds. A fresh factory is unaffected beyond an unused instance. Because cloning is now mandatory everywhere, add a guard for the failure it introduces: `AbstractAgent.prototype.clone()` copies a fixed field list, so a subclass declaring its own state gets it back as `undefined` with no error — the base method always exists and returns a correctly-typed instance. Comparing own enumerable keys catches that and names the dropped fields. Own functions are exempt: assigning a method on the instance is how spies and instrumentation wrap an agent, and losing that wrapper leaves the prototype method intact. Also reset `isRunning` and `abortController` on the clone as hygiene — not a fix for a dead turn, since `runAgent` assigns a fresh controller before each run and the run loop passes none. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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Benjamin Taylor
|
4d74bdc5c3 |
feat(runtime): auto-start managed Channels on long-running hosts (refs OSS-641)
Creating a Node listener or an Express handler now STARTS activation of the runtime's declared managed Channels, so `channels.ready()` becomes await-and-observe instead of the thing you must remember to call. A declared Channel connects because it was declared. The failure mode this removes: forget `ready()` and you get a process that serves HTTP, looks healthy, and is silently disconnected with zero output. Auto-start's worst case is an activation error in the logs. The generic Fetch handler stays LAZY — it is the serverless/edge entry point, where isolates freeze and recycle per request and separate cold starts would mint competing listeners for the same Channel. `createCopilotHonoHandler` stays lazy for the same reason: it is our Next.js App Router surface in practice (every `examples/showcases/*` route handler builds one at module scope), and its TSDoc now says so loudly. `activateChannels: false` remains the opt-out that opens no socket. Consequence for host code: the shutdown-handler boundary moves earlier. Signal handlers must be registered before the listener is CREATED, not merely before `ready()` — otherwise a Ctrl-C during the connect window hits Node's default handler and leaks a live gateway session. The slack and teams examples and the docs snippets are restructured accordingly. Also migrates the seven channel-package README quickstarts off the generic handler (a request handler a socket-mode bot constructs and never serves) onto the Node listener, so they inherit auto-start and agree with the docs site. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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Sam Julien
|
2a8d76399b |
docs(channels): clarify availability and self-hosting (#6264)
## Summary - broaden the shared Channels overview copy from Slack and Teams to Slack, Microsoft Teams, and more - clarify that CopilotKit Intelligence owns the channel connection across providers - add an availability CTA for upcoming Discord, WhatsApp, Telegram, and SMS support - add a production self-hosting section with an engineering contact path - extend the Channels docs assertions to cover the new copy and tracked CTAs ## User impact The Slack and Microsoft Teams overview routes now set clearer expectations about currently available and upcoming providers, while giving enterprise evaluators direct paths for roadmap needs and self-hosted deployments. ## Validation - `pnpm exec oxfmt --check showcase/shell-docs/src/content/docs/channels/index.mdx showcase/shell-docs/src/lib/__tests__/channels-docs.test.ts` - `npm run lint` (passes with existing package warnings) - `npm run typecheck` - `npm test` (51 files, 351 tests) - `npm run build` - verified the shared copy rendered on both `/slack` and `/teams` locally |
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Sam Julien
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625bcd30cd | docs(channels): clarify availability and self-hosting | ||
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David McKay
|
fcc8616e91 |
feat(banking): rank largest charges instead of repeating the team split (#6263)
Follow-up to #6259 (merged), from review feedback: in the Q2 report, the pie chart and the bar chart were showing the same data. ## The problem The third column was budget-usage bars. Both it and the donut beside it were the same three team totals, drawn twice; the bars just added limits. Two charts, one fact, and the column carried almost no new information. ## The change The column now ranks the **largest individual charges**, which changes the unit of analysis from team to transaction. A team aggregate cannot distinguish one $15,000 charge from thirty $500 ones, so this is genuinely something the donut cannot carry. Bars stay coloured by owning team, so a row still ties back to its slice in the donut — the two charts relate without duplicating. Budget-vs-limit isn't lost. It's still the "Over policy limit" KPI above and the "Needs a decision" rows below, so the report's over-budget thesis is unchanged. ## Also fixed Invoice-derived line items had no `policyId`, so they fell back to a generic swatch: a Marketing charge didn't match Marketing's slice. They now carry the policy id of the team they belong to and colour like any other charge. ## Verification Run live on :3100, both paths: - **With the invoice attached** — Meridian - Google Ads $18,400, AWS (pending) $15,000, Meridian - Northwind Forward campaign $14,250, Meridian - Meta Ads $12,750, Microsoft 365 (pending) $10,000, Meridian - Creative production $9,600. The three Meridian rows render in Marketing violet, AWS in Engineering emerald, Microsoft 365 in Executive sky, all matching the donut. - **Without the invoice** — falls back to the four ledger transactions, colours still correct per team. `tsc --noEmit` and `oxlint` clean. Committed with `--no-verify` only because the worktree has no `node_modules` for commitlint; lint and typecheck were run in the full tree. 🤖 Generated with [Claude Code](https://claude.com/claude-code) |
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David McKay
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8aee7df4b0 | Merge branch 'main' into demo/banking-report-largest-charges | ||
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Ben Taylor
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ac9909802a |
feat(channels): sanitize agent event streams by default (OSS-647) (#6261)
Closes OSS-647. Interim fix only — the root cause is upstream in `ag-ui`
and is tracked in OSS-691, which also deletes everything added here.
## Problem
`@ag-ui/langgraph` emits a `TOOL_CALL_START` whose `parentMessageId` is
`null` — notably the tool call that triggers an interrupt. The AG-UI
schema declares that field `z.string().optional()` — optional, never
nullable — so when the event crosses an SSE boundary and `HttpAgent.run`
re-validates it via `EventSchemas.parse`, Zod rejects it ("Expected
string, received null"), the subject errors, and **a single rejected
event aborts the entire run**. In practice that breaks LangGraph
interrupts / human-in-the-loop on every Channel platform.
Until now the workaround was opt-in per call site: `new
SanitizingHttpAgent({ url })` instead of `new HttpAgent({ url })`, in
every example and README. That is backwards — the class doesn't wrap
your agent, it *substitutes* for it, and it isn't even applicable to a
`LangGraphAgent`, `MastraAgent`, ADK or custom agent (none of which hit
the bug, since nothing re-validates their events).
## What this does
- **Channels sanitize by default.** `createChannel` applies the coercion
at the one seam every Channel agent flows through (`agentFactory`), so a
developer never has to know the workaround exists. Examples now read
`new HttpAgent({ url })`.
- **Opt out with `createChannel({ sanitizeAgentEvents: false })`** to
stream events through unmodified and let a malformed event fail the run.
- **Applied at the transport, not by replacing the event transform.**
`SanitizingHttpAgent` swaps the whole of `transformHttpEventStream` for
a bare `parseSSEStream`, which silently drops three other things it
does: protobuf content-type negotiation, the graceful `AbortError` →
`RUN_ERROR` conversion, and strict validation of every *other* field.
Defaulting that to on for everyone was too blunt, so this rewrites only
the offending bytes on the SSE frame and leaves the stock transform
intact.
- `SanitizingHttpAgent` is **deprecated but unchanged** in both
`channels-slack` and `channels-teams`, so existing user code keeps
working and behaves exactly as before.
- `HttpAgent` is re-exported from `@copilotkit/channels` so wiring an
agent needs no second import (the examples had no `@ag-ui/client`
dependency).
Two details worth a reviewer's attention:
- **It survives `clone()`.** Singleton `agent` config goes through
`isolateAgentInstance` → `prototype.clone()`, and `HttpAgent.clone()`
copies `url`/`headers`/`fetch` but *not* own-property overrides.
Patching `run` per instance would silently revert on the cloned agent;
wrapping the transport does not. There's a regression test for exactly
this.
- **Idempotent**, via a symbol marker on the wrapped transport — a
reused agent instance, or one that's already been sanitized, is not
double-wrapped.
## Testing
New suite `packages/channels-core/src/sanitize-agent-events.test.ts` —
10 tests, all written before the implementation and watched fail first:
| Test | Proves |
|---|---|
| lets a run carrying a null `parentMessageId` reach `RUN_FINISHED` |
the fix works end-to-end through a real `HttpAgent` |
| aborts that same run when the sanitizer is not applied | the bug is
real and the test isn't vacuous |
| coerces the null and leaves every other byte alone | keep-alive
comments and a legitimate `parentMessageId` string survive verbatim |
| coerces a null split across two transport chunks | frame-delimiter
buffering, not naive per-chunk replace |
| passes a non-SSE body through untouched | protobuf negotiation still
works |
| does not re-wrap an already-wrapped transport | idempotence |
| leaves an agent with no HTTP transport alone | non-`HttpAgent` agents
are untouched |
| sanitizes by default via `createChannel` | the wiring, driven through
`FakeAdapter` + a real turn |
| survives the per-run clone of a singleton agent | the `clone()` trap
above |
| lets the run abort when sanitizing is disabled | the opt-out is
honoured |
```
$ npx vitest run src/sanitize-agent-events.test.ts
Test Files 1 passed (1)
Tests 10 passed (10)
$ npx vitest run # full channels-core suite
Test Files 1 failed | 32 passed (33)
Tests 182 passed (182)
$ npx tsc --noEmit -p tsconfig.json # channels-core
(clean)
$ npx vitest run app/managed.test.ts # examples/slack
Test Files 1 passed (1)
Tests 1 passed (1)
$ npx oxlint src/sanitize-agent-events*.ts
Found 0 warnings and 0 errors.
```
Formatted with `oxfmt`.
**On the one failing file:** `src/open-modal.test.tsx` fails to resolve
`@copilotkit/channels-core/jsx-dev-runtime` in my worktree
(self-referencing package export vs. symlinked `node_modules`). I
confirmed it fails identically at the base commit with my changes
stashed, so it is environmental, not a regression — CI runs a real
install and should be green. Same cause made the pre-commit hook
unrunnable here (`channels-intelligence` build/test fails at base too),
so this commit used `--no-verify` with the checks above run by hand.
Worth a second look from CI rather than taking my word for it.
## Follow-up
OSS-691 fixes this properly in `ag-ui` — coerce at the five emission
sites in `integrations/langgraph/typescript/src/agent.ts`, and normalize
in the schema with `z.string().nullish().transform(v => v ?? undefined)`
— then deletes this coercion, both `SanitizingHttpAgent` copies, and the
`sanitizeAgentEvents` option.
|
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Benjamin Taylor
|
e88e857290 |
test(channels): pin that the default sanitizer keeps graceful abort handling
The PR claims wrapping the transport (rather than replacing the event
transform) preserves the stock AbortError -> RUN_ERROR conversion. That was
read off the @ag-ui/client bundle, not tested. Now it is: a mid-stream
AbortError surfaces as RUN_ERROR{code:'abort'} and the run resolves.
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Benjamin Taylor
|
76662f31b1 |
feat(channels): apply the event sanitizer by default and drop it from the examples
Completes the previous commit, whose wiring was left out of it by mistake. createChannel applies sanitizeAgentEventStream at the agentFactory seam, with sanitizeAgentEvents: false to opt out; HttpAgent is re-exported from @copilotkit/channels so the examples need no @ag-ui/client dependency; the Slack + Teams examples and READMEs now wire a plain HttpAgent; and SanitizingHttpAgent is deprecated (unchanged) in both adapter packages. Also swaps a stray pair of raw control bytes in the protobuf test fixture for escapes, so git sees the test file as text. |
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Benjamin Taylor
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f427ec573f |
feat(channels): sanitize agent event streams by default (refs OSS-647)
@ag-ui/langgraph emits a TOOL_CALL_START whose parentMessageId is null -- notably the tool call that triggers an interrupt. The AG-UI schema declares that field optional but never nullable, so HttpAgent's transform re-validates the streamed event, Zod rejects it, and one rejected event aborts the whole run, breaking human-in-the-loop. Until that is fixed upstream (OSS-691), Channels tolerate it by default: createChannel coerces the field on the wire, so no call site needs a special agent class. Opt out with sanitizeAgentEvents: false. Applied at the transport rather than by replacing the event transform, which keeps protobuf content-type negotiation, the graceful AbortError -> RUN_ERROR conversion, and strict validation of every other field -- all of which SanitizingHttpAgent gives up. It also survives the per-run clone() of a singleton agent, which an own-property run() override would not. SanitizingHttpAgent is deprecated but unchanged, so existing code keeps working. The examples and READMEs now wire up a plain HttpAgent. |
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David McKay
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de2bc6efc0 |
feat(banking): rank largest charges instead of repeating the team split
The report's third column was budget-usage bars: the same three team totals the donut beside it already showed, redrawn with limits added. Two charts, one fact. It now ranks the largest individual charges, which changes the unit of analysis from team to transaction. A team aggregate cannot distinguish one $15,000 charge from thirty $500 ones, so this is information the donut genuinely cannot carry. Bars stay coloured by owning team, so a row still ties back to its slice without the two charts duplicating each other. Budget-vs-limit is not lost: it remains the "Over policy limit" KPI above and the "Needs a decision" rows below. Invoice-derived line items now carry the policy id of the team they belong to, so they colour like any other charge. Without it they fell back to a generic swatch and a Marketing charge did not match Marketing's slice. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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Ben Taylor
|
84b0e145b9 |
feat(channels): implement ordered managed delivery (#6257)
## What changed - install the managed delivery handler before the control connection can receive its first invitation - admit one local delivery per canonical Thread while allowing distinct Threads up to `maxConcurrentDeliveries` - retry the same immutable packet only after known pre-provider failures and stop blind replay after uncertain calls - prioritize final provider effects, bound shutdown, and keep delivery results tied to their claim fence - preserve asset acknowledgement and restore behavior, including a non-terminal Teams image capability result - update public Channels docs from Socket Mode, leases, and standby ownership to signed webhooks, claims, ordered packets, and local admission ## Why The SDK must keep packet identity stable across reconnects and prevent two local handlers from serving the same Thread at once. The hard cut also makes managed provider acknowledgement visible to `postFile()` without reviving retired session state. ## Companion PR - https://github.com/CopilotKit/Intelligence/pull/668 ## Validation - `pnpm nx run-many -t test,check-types,build -p @copilotkit/channels-intelligence @copilotkit/channels-slack @copilotkit/channels-teams @copilotkit/channels-core --skip-nx-cache` — passed - fresh package tests: Channels Intelligence 92, Slack 318, Teams 90, Core 176 - `npm run lint && npm run typecheck && npm run test && npm run build` in `showcase/shell-docs` — passed; 351 docs tests and a 222-page production build - focused managed docs contract — passed; 23 tests - GitHub CI — passed at `6c7d411f9e`; all required checks passed Live Slack and Teams provider smoke tests and a long soak were not run locally. Draft: keep this open for review while commits land across the companion PR. |
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Maxim
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25748ffdc0 |
chore: allowlist the reskinnable-demo build config
The repo gates which build-config files may exist (next.config, vite.config, webpack.config and friends) so a new bundler config cannot appear unreviewed. A new app needs its next.config.mjs registered. Kept as its own commit because the check's own failure message asks for CODEOWNERS approval when the allowlist changes — isolating it means that approval applies to exactly one reviewable line rather than being buried in the app scaffold. |
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Maxim
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4b8b6572d9 |
chore(reskinnable-demo): retarget the demo tooling
Points the demo runner, smoke scripts and env template at the skin-scoped routes and relocated modules, and gives the vendored Intelligence stack its own compose project name. That last one matters: cloned from banking, this app inherited the same project name, so both stacks resolved to one Docker project sharing containers and named volumes — a compose down in either destroyed the other's memory. The smoke scripts also still posted to /agent/default/run, which no longer exists now that agents are keyed per skin; nothing in the toolchain reads those files, so no build or test could have caught it. |
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Maxim
|
1387f32dee |
docs(reskinnable-demo): document the architecture and add the reskin skill
Describes the app that exists: shell versus skins, the Skin contract field by field, the client/server boundary that keeps a skin's agent out of the browser bundle, per-skin server identity, and the theming split. Adds a repo-local authoring skill that walks someone through creating a skin and registering it in both registries. The inherited docs described a single-skin banking demo, which was actively misleading once a second skin shipped, and carried claims that were false here — that OGUI can only render inline in the chat (a published-SDK limitation that does not apply on workspace packages) and that the airline skin omits every optional contract slot when it ships nine tool labels. |
||
|
Maxim
|
12b1ac6b0d |
test(reskinnable-demo): cover reskinning and retarget the suite
Retargets the e2e suite onto skin-scoped routes and covers the app's headline feature for the first time: the index redirect, each skin rendering its own chrome, an unknown skin 404ing, and switching in both directions. Those assertions check content only a mounted skin can produce. An earlier draft matched on brand text, which the shell's skin selector renders on every page for every skin — so it passed against a deliberately broken airline. Each assertion here was verified by breaking the app and watching it fail. ogui-routing is marked fixme: it clicks seven suggestion pills, six of which were dropped from the registered set before this change, so it has been failing on main unnoticed — nothing runs this suite in CI. |
||
|
Maxim
|
4ad47517aa |
feat(reskinnable-demo): route by skin
/[skin] resolves a skin from the URL and mounts it keyed by its id, so switching fully remounts into a fresh world; / redirects to the default skin. The runtime route registers one agent per skin and resolves end-user identity through that skin's resolver, falling back to the default skin for app-level routes such as the inspector's memory endpoints. globals.css now defines only the design-token vocabulary plus a brand-neutral default set; each skin supplies its own values through a .theme-<id> block, so a reskin is a pure value swap and the shared chrome styles itself with semantic utilities. |
||
|
Maxim
|
788783bb58 |
feat(reskinnable-demo): add the airline skin
A second skin — identity, theme, app-shell, three pages, ten presentational components, frontend tools, a2ui catalog, suggestions and an OGUI design brief — sharing nothing with banking beyond the contract and a few primitives. It backs its data with plain client state rather than a REST API and contributes no identity resolver, so the contract is exercised across both substrates. A contract that only ever hosted one kind of skin proves much less than one that spans two. |
||
|
Maxim
|
00f95834e5 |
feat(reskinnable-demo): make banking a self-contained skin
Banking's domain types, in-memory store, seed data, REST backend, components, gen-UI beats, a2ui catalog, OGUI sandbox, pages, tools and agent now live entirely under src/skins/banking, and its backend is namespaced to /api/banking/v1 rather than mounted at the app root. Every route under it is banking domain — cards, transactions, exceptions, policies, reports, users, dev/reset — so with a second skin sharing the app, leaving one skin's whole backend at the root contradicts the premise that skins are self-contained. Shared UI primitives stay in src/components/ui, which the shell and both skins import. Banking contributes its identity through the contract (RuntimeProviders + useRuntimeProperties) so the CopilotKit provider owns the active member from its first commit, and a server-safe resolver so Intelligence scopes memory to the selected persona. |
||
|
Maxim
|
651f7dd7aa |
feat(reskinnable-demo): add the skin-agnostic shell and Skin contract
The shell owns everything independent of which skin is mounted: the Skin contract, a provider that runs a skin's data hook, split client/server registries, the chat surface, the a2ui/OGUI canvas region and thread selection. The client/server split is deliberate. A skin's agent pulls in @copilotkit/runtime, which must never reach the browser bundle, so agents are registered in a separate server-only registry and linked to their skin by a shared id rather than by being part of the client contract. Skins may also contribute a server-safe identity resolver there, which is what lets per-user durable memory be scoped per skin instead of the runtime hard-coding one. |
||
|
Maxim
|
3790bbb431 |
feat(reskinnable-demo): add the app to the workspace
Registers examples/showcases/reskinnable-demo as its own pnpm workspace member resolving @copilotkit/* via workspace:*, alongside the other showcases. No dependency differs from the banking showcase this app started as: the standalone prototype's recharts dep is unused (banking hand-rolls its SVG charts), and the airline skin's lucide icons all exist in the pinned range. |
||
|
Mike Ryan
|
6c7d411f9e | test(channels): enforce gateway delivery docs | ||
|
Mike Ryan
|
e4a105a1c0 | docs(channels): describe gateway delivery | ||
|
Mike Ryan
|
7694cbcdd9 | fix(channels): complete ordered delivery outcomes | ||
|
Mike Ryan
|
02e7eaedb3 | feat(channels): prioritize final provider delivery | ||
|
Mike Ryan
|
69b23e95b7 | fix(channels): name managed post results as assets | ||
|
Mike Ryan
|
4d46e57815 | feat(channels): persist managed asset history | ||
|
Mike Ryan
|
19656b927d | fix(channels): bound delivery shutdown | ||
|
Mike Ryan
|
14071ec8d6 | feat(channels): decline claims before local admission | ||
|
Mike Ryan
|
a0133c1588 | fix(channels): retain first gateway invitation | ||
|
Mike Ryan
|
6f63b0de31 | feat(channels): retry immutable gateway packets | ||
|
David McKay
|
5f7650191c |
feat(banking): generative-UI polish for PIN, charges, report and notes (#6259)
Five presentation fixes to the Northwind Finance demo (`examples/showcases/banking`), each found and verified by running the beats live on :3100. ## PIN change resolves into a card, not a sentence "New PIN saved." is replaced by a `PinChangedCard`: card face, brand and last4, a masked new-PIN row, an "Active now" badge. Digits are never rendered, because they are never sent to the agent in the first place, so the mask is the honest representation rather than a redaction. **Bug this surfaced.** Reopening a thread replays `setCardPin` with status `inProgress` and **no result**, so the answered card sat on "Loading…" forever. This predates the PR. Other human-in-the-loop tools in the same file (`showCharges`) *do* replay their result correctly, so it is specific to this call, not to how the card is written. I tested and ruled out three explanations before landing on the fix: deps-driven re-registration, responding before the mutation, and a fully stable registration. The outcome is now remembered per `toolCallId` for the browser session and consulted ahead of the replayed status. A full page reload still falls back to the loading state. Both the PIN and charges cards now key their resolved state on the **result** rather than the **status**, so an answered call can never replay with live buttons. `setCardPin` also registers once via a ref instead of depending on `cards`. `useFrontendTool` re-registers whenever `JSON.stringify(deps)` changes, and re-registration removes the tool, so the PIN write was tearing down the very tool servicing it. ## Charges asks before it takes the screen `showCharges` becomes human-in-the-loop. Opening a filtered list is safe, but it replaces the user's whole screen, and an agent that does that unasked reads as the agent being in charge. The confirm card states the sort and filters *before* the page changes; on arrival, Sort and Show carry the brand tint whenever they are non-default, so the two controls the agent set are the two that light up. ## Q2 report: three chart forms, better-spread data Pie · line · bars instead of three bar charts, so each column visibly answers a different question. The seed is rebalanced so team shares read **42/28/30** (was 98/2/2) while all three pending charges still exceed their limits. This drops the income-vs-expenses chart that was rendering $0.00. ## Reported-charge notes carry an alert marker The seeded procedure asks for a leading 🚨 and the note handler applies it regardless, because a model is not a reliable emoji emitter. Verified in the API: `"🚨 User reported this Delta Airlines charge as unrecognized."` ## Consistent prose formatting The agent was formatting the first few bullets of a list and then lapsing into plain text mid-answer, which reads as a rendering bug rather than a style choice. The prompt now carries a house style next to the existing no-tables rule: bullets for more than two items, bold the opening identifier and the one figure that matters, never bold a value identical on every line, a closing takeaway, and an explicit requirement that the last bullet match the first. ## Verification Run live on :3100, not just typechecked: - PIN: submit → card renders → switch threads → switch back → card intact - Charges: confirm card → "✓ Opened Charges" → navigates to `?sort=amount_desc&top=10` with Sort/Show tinted; untinted at defaults - Q2 report: filed with the invoice attached, three chart forms, 42/28/30 - Delta note: all three procedure steps ran, emoji confirmed via the API - Formatting: verified on both the 3-item cards case and the 10-item charges case, no drift `tsc --noEmit` and `oxlint` both clean. ## Note for reviewers This branch was built in a worktree off current `main` and the changes were applied as a 3-way merge, because `main` had moved (the inspector/glass-engine removal and `showDevConsole`). I confirmed those are preserved: `route.ts` is +28 with no deletions. Committed with `--no-verify` only because the worktree has no `node_modules` for commitlint to run; lint and typecheck were run in the full tree. One judgement call left open: the report's Marketing budget bar now reads "Over limit by $59,800" because the entire invoice lands on one team. That split comes from the model reading the real `sample-invoice-q2.pdf`, so spreading it means regenerating the PDF. Happy to do that if preferred. 🤖 Generated with [Claude Code](https://claude.com/claude-code) |
||
|
David McKay
|
269d49a2c0 |
feat(banking): generative-UI polish for PIN, charges, report and notes
Five presentation fixes to the Northwind Finance demo, all from running the beats live. PIN change now resolves into a card rather than the sentence "New PIN saved." It shows the card face, brand and last4, a masked new-PIN row and an active badge. Digits are never rendered: they are never sent to the agent, so the mask is the honest representation. Reopening a thread replays setCardPin with status "inProgress" and no result, so the answered card sat on "Loading..." forever. Other human-in-the-loop tools here (showCharges) do replay their result, so this is specific to that call. The outcome is now remembered per tool call id for the session and consulted ahead of the replayed status. Both this card and the charges card key their resolved state on the RESULT rather than the status, so an answered call can never replay with live buttons. setCardPin also registers once via a ref instead of depending on `cards`: useFrontendTool re-registers whenever JSON.stringify(deps) changes and re-registration removes the tool, so the PIN write tore down the very tool that was servicing it. showCharges becomes human-in-the-loop. Opening a filtered list is safe, but it replaces the whole screen, and an agent that does that unasked reads as the agent being in charge. The confirm card names the sort and filters before the page changes, and on arrival the Sort and Show controls carry the brand tint whenever they are non-default, so what the agent set is what lights up. The Q2 report shows three different chart forms (share-of-total pie, time series, budget bars) instead of three bar charts, and the seed is rebalanced so team shares read 42/28/30 instead of 98/2/2 while all three pending charges still exceed their limits. This drops the income-vs-expenses chart that was showing $0.00. Notes about reported charges carry a leading alert emoji so they cannot be skimmed past. The seeded procedure asks for it and the handler applies it regardless, because a model is not a reliable emoji emitter. Finally, prose answers get a house style. The agent was formatting the first few bullets of a list and then lapsing into plain text, which reads as a rendering bug rather than a style choice. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
||
|
Mike Ryan
|
72750c369a |
feat(channels): make Slack reply-continuation limits configurable (refs OSS-689) (#6255)
## What PR #6244 taught the Slack renderer to split a long reply across continuation messages instead of silently truncating it. Its tuning was hardcoded. Three of those constants are genuinely caller-dependent; this exposes them through one `replyContinuation` option on both the direct and managed surfaces. ```ts // direct slack({ replyContinuation: { maxMessages: 5 } }); // managed createChannel({ name: "support", replyContinuation: { messageByteLimit: 11_000, maxMessages: 20, truncationMarker: "\n\n_…réponse tronquée._", }, }); ``` ## Which constants, and why only these | exposed | why it is a caller's decision | | --- | --- | | `messageByteLimit` | Slack's cumulative per-message ceiling is **undocumented**. 11k is inferred from a single production datapoint (11,607 bytes observed accepted) and deliberately conservative. If the real ceiling differs by plan or workspace, an operator needs a knob, not a release. | | `maxMessages` | How many messages one reply may occupy is a product decision, not a platform fact. 20 was chosen to bound a runaway (500k chars → 46 messages); a support bot and an internal ops bot want different answers. | | `truncationMarker` | Hardcoded **English** copy posted into the customer's channel. The one constant with no correct default. | Deliberately **not** exposed, because they are correctness rather than preference: - `APPEND_CHAR_LIMIT` — a documented Slack per-call limit. A provider fact; exposing it only invites `msg_too_long`. - `MIN_MESSAGE_PROGRESS_BYTES` — loop-safety invariant. Exposing it lets a caller reintroduce the unbounded-message bug #6244 fixed. - `MAX_FENCE_LANG_CHARS`, `FINISH_DRAIN_ATTEMPTS` — internal heuristics. If either is wrong that is a bug to fix, not a knob. ## Shape Grouped under one nested option rather than three flat fields. `maxMessages` sitting bare on a Channel reads ambiguously (thread history?), and the group keeps the next continuation knob from adding another top-level field. The trade-off is that it diverges from `showToolStatus`'s flat precedent — happy to flatten if reviewers prefer consistency over disambiguation. The shared `ReplyContinuationOptions` type lives in `channels-core`, the common ancestor of all four packages that touch it. ## Plumbing Both surfaces follow `showToolStatus` exactly: - **Direct:** `slack({ replyContinuation })` → `adapter.ts` → `event-renderer.ts` → `NativeMessageStream`, covering both the renderer path and `adapter.stream()`'s own stream. - **Managed:** `createChannel({ replyContinuation })` → `Channel` → `ChannelActivationConfig` → `channel-manager` → `realtime-gateway-launcher` → `DeliveryAdapter` → the renderer's `nativeStreaming` block. **No gateway or Intelligence change is required.** Managed Slack renders in the SDK process over a gateway live session and only emits `slack.stream.*` effects; the Elixir `provider_executor` is a dumb effect applier that owns no message boundaries. Render config therefore never has to cross into Intelligence. One non-obvious touchpoint: `channel-manager.ts` keeps a **hand-written structural mirror** of the launcher's options, so the field has to be declared there as well or the managed path type-drifts silently. ## Testing ``` channels-core 171 passed channels-slack 318 passed channels-intelligence 67 passed runtime 1809 passed, 3 failed ``` The 3 runtime failures are pre-existing Gemini `AIMessage` filtering tests, unrelated to this change — confirmed by re-running them with these changes stashed on `main`. `check-types` passes for all four packages. New coverage: - the marker override at the leaf (`native-stream`); - the renderer's pass-through — this one fails without the change, since the 11k/20 defaults would keep that reply in a single message; - the managed chain end to end via `createChannel` → activation config → launcher opts, plus the negative case that an unset option adds no property anywhere. ## Follow-ups (tracked on OSS-689, not in scope here) - Confirm the byte-vs-char question with a manual >12k mostly-CJK/Cyrillic reply against a real workspace. It decides whether `messageByteLimit`'s default is right; the option makes it adjustable either way. - Under the managed path's `minIntervalMs: 0` cadence a table row can still be cut mid-row, so a continuation's re-emitted header is followed by a malformed row. 🤖 Generated with [Claude Code](https://claude.com/claude-code) |
||
|
Mike Ryan
|
9336749ff5 |
feat(channels): parallel-by-default turn concurrency (#6256)
## Summary
- Make overlapping channel turns on the same conversation run **in
parallel by default**, so multi-user Slack threads and rapid
multi-mention traffic get concurrent replies instead of drop/serial
behavior.
- Isolate configured **singleton agents** via `AbstractAgent.clone()`
per run (`HttpAgent`, `BuiltInAgent`, etc.).
- Add `store.concurrency: parallel | serial | drop` (default parallel`);
keep legacy `onLockConflict` mapping for compatibility.
- Remove managed `DeliveryAdapter` same-thread exclusive gate that threw
`ChannelAgentConcurrencyError`.
## Why
Tagging a Slack bot multiple times (or five people asking in one thread)
only answered the first turn. Root cause was SDK turn locking
(`onLockConflict: drop`) and managed per-thread exclusive agent
execution—not Intelligence ingress.
## Usage
```ts
// Default — parallel (no config)
createChannel({ name: triage, agent: makeAgent });
// Opt-in serial queue per conversation
createChannel({
name: triage,
agent: makeAgent,
store: { concurrency: serial },
});
// Legacy drop
createChannel({
name: triage,
agent: makeAgent,
store: { concurrency: drop },
});
```
## Test plan
- [x] `channels-core` `create-channel.test.ts` — 46 tests including
parallel/serial/drop/singleton clone/bad clone
- [x] `channels-intelligence` concurrent same-thread `getOrCreate` test
- [ ] Manual: tag bot with 5 top-level mentions → 5 concurrent replies
- [ ] Manual: 5 messages in one thread → 5 concurrent replies
- [ ] Manual: `concurrency: serial` → ordered replies on same
conversation
- [ ] Manual: singleton `HttpAgent` under parallel still answers
concurrent turns
## Notes
Pre-commit monorepo `test-and-check-packages` failed on unrelated
packages (`sqlite-runner`, `react-native`) after NX cleared; scoped
package tests for this change pass. Commit used `--no-verify` for that
reason.
|
||
|
Alem Tuzlak
|
10a8c3a302 |
fix(channels-intelligence): pass channelName in concurrency test
CI typecheck merges with main where DeliveryAdapterOptions requires channelName. |
||
|
Alem Tuzlak
|
88bef0e27a |
feat(channels-core): parallel-by-default turn concurrency
Overlapping turns on the same conversation now run concurrently by default so multi-user Slack threads get parallel replies. Singleton agents are isolated via clone() per run; store.concurrency serial/drop remain opt-in. |
||
|
Benjamin Taylor
|
13e575ea6f |
Revert "refactor(runtime): import the launcher options type instead of mirroring it"
This reverts commit
|
||
|
Benjamin Taylor
|
346329aef8 |
refactor(runtime): import the launcher options type instead of mirroring it
`ChannelsIntelligenceModule` re-declared the launcher's options by hand, so adding `replyContinuation` to the real launcher type-checked clean here while the managed path silently ignored it — the mirror had to be edited too or the option was dropped on the floor. That is a trap for every future launcher option, not just this one. The mirror existed for a stated CJS/ESM reason, so I checked whether it still applies rather than assuming. It does not, for a type: - `import type` is fully erased. The emitted CJS gains no `require` of `@copilotkit/channels-intelligence`; the only references in the build output remain the pre-existing non-literal specifier constant and the package.json dependency entry. - `ChannelsIntelligenceModule` is not part of the emitted `.d.cts`/`.d.mts` surface (it appears only in sourcemaps), so no CJS consumer resolves the ESM-only package — which matters because that package's export map has an `import` condition and no `require`. The constraint is real for the *value* import, which is why the dynamic specifier stays non-literal. The comment now draws that distinction explicitly so the next reader does not re-mirror it. Net: 42 lines of duplicated type removed, and the managed path can no longer drift from the launcher it calls. |
||
|
github-actions[bot]
|
a85760e06b | style: auto-fix formatting | ||
|
Benjamin Taylor
|
b2fc4c0706 |
feat(channels): make Slack reply-continuation limits configurable (refs OSS-689)
PR #6244 taught the Slack renderer to split a long reply across continuation messages, but its tuning was hardcoded. Three of those constants are genuinely caller-dependent and are now configurable through a single `replyContinuation` option; the rest stay internal on purpose. Exposed: - `messageByteLimit` — Slack's cumulative per-message ceiling is undocumented. 11k is inferred from one production datapoint and deliberately conservative; operators need a knob if the real ceiling differs rather than a release. - `maxMessages` — how many messages one reply may occupy is a product decision, not a platform fact. A support bot and an internal ops bot want different answers. - `truncationMarker` — hardcoded English copy posted into the customer's channel. The one constant with no correct default. Deliberately NOT exposed, because they are correctness rather than preference: `APPEND_CHAR_LIMIT` (a documented Slack per-call limit), `MIN_MESSAGE_PROGRESS_BYTES` (loop-safety invariant — exposing it lets a caller reintroduce the unbounded-message bug #6244 fixed), `MAX_FENCE_LANG_CHARS`, and `FINISH_DRAIN_ATTEMPTS`. Grouped under one nested option rather than three flat fields: `maxMessages` on a Channel reads ambiguously on its own (thread history?), and the group keeps the next continuation knob from adding another top-level field. Both surfaces are wired, following `showToolStatus` exactly: - direct: `slack({ replyContinuation })` → adapter → event-renderer → stream, covering both the renderer path and `adapter.stream()`. - managed: `createChannel({ replyContinuation })` → `Channel` → `ChannelActivationConfig` → channel-manager → launcher → `DeliveryAdapter` → the renderer's `nativeStreaming` block. No gateway or Intelligence change is needed. Managed Slack renders in the SDK process over a gateway live session and only emits `slack.stream.*` effects, so render config never has to cross into Intelligence — the Elixir provider executor is a dumb effect applier that owns no message boundaries. `channel-manager.ts` carries a hand-written structural mirror of the launcher signature, so the new field is declared there too or the managed path silently type-drifts. Tests: the marker override at the leaf, the renderer's pass-through (fails without it — the defaults would keep that reply in one message), and the managed chain end to end via `createChannel` → activation config → launcher opts, plus the negative case that an unset option adds no properties anywhere. |
||
|
Tyler Slaton
|
7113c8f932 |
fix(channels): use channel name for thread lock (#6254)
## Problem
Managed Channel deliveries can request a canonical thread lock with the
inner agent ID, or `default` when that ID is unset. Intelligence owns
the thread under the declared Channel name, so the lock fails with
`THREAD_AGENT_MISMATCH`.
## Why
The SDK treated the agent object identity as the managed Channel
identity. Those values are independent: `createChannel({ name })`
declares the managed thread owner, while an agent ID is optional and may
differ.
## Fix
Pass the declared Channel name into the managed delivery adapter and use
it for canonical runs. Add a public `thread.runAgent()` regression test
that proves an agent with a different ID still runs under the Channel
name.
Validated with the Channels Intelligence test suite, type check, and
build; the runtime Channel manager tests, type check, and build; repo
lint; and the affected-package pre-commit checks.
|
||
|
Ben Taylor
|
65248cb47a |
fix(channels-slack): roll long native-stream replies into continuation messages (refs OSS-685) (#6244)
> [!IMPORTANT]
> **Re-grounded 2026-07-30.** This PR was opened against the old
queued-egress architecture and originally referenced OSS-677.
Intelligence#638 ("replace queued delivery with live sessions") has
since landed, moving managed provider egress into the realtime gateway
and deleting the egress-lease, outbox, and render-frame machinery
entirely. OSS-677 was canceled as a result.
>
> **The SDK defect this PR fixes is unaffected and still present on
`main`** — `native-stream.ts` is live, still owns Slack streaming
cadence, and still has no continuation rollover. The work is now tracked
as **OSS-685**.
>
> What *did* change is the blast radius (see "What the symptom looks
like now") and the platform-side half, which no longer exists to fix.
## What
A managed Slack bot asked to write a novella posted **five truncated
copies** of it. The proximate cause is in this file.
`NativeMessageStream` honored Slack's documented
12k-chars-per-`markdown_text`-call cap but never the *cumulative* cap on
what one streamed message can hold. Once a reply crossed that ceiling,
every further `chat.appendStream` was rejected `msg_too_long` —
deterministically, for the rest of the run.
The assumption was stated explicitly in the file's own header, and it is
wrong:
> A single streamed message holds the whole reply: Slack documents no
cumulative per-message cap, only a **12k char limit per `markdown_text`
call** … (no multi-message splitting — that was a `chat.update`-era
workaround).
### Evidence (dev, 2026-07-29 23:24–23:27 UTC)
A ~23,279-char reply streamed 11,607 chars into one message, then failed
every subsequent append. Egress op `019fb031-97eb-…`:
| field | value |
| --- | --- |
| `attempts` | 5 / 5 |
| `lease_generation` | 5 |
| `accepted_high_water` | 386 |
| `applied_high_water` | **-1** |
| `payload.posts` | **5 distinct Slack ts** |
| `status` | wedged in `sending` |
The dropped text is invisible by design (per-append failures are
swallowed and logged), so the turn never reached `finalize`, never
checkpointed, and the platform replayed it from frame 0 — a fresh
`chat.startStream` and a fresh truncated copy per attempt, five times,
then wedged. Worker logs show 3,512 `msg_too_long` rejections in 25
minutes; the retry burn also starved other projects' lanes.
> [!NOTE]
> That table describes the **pre-cutover** schema.
`channel_egress_operations`, `attempts` / `max_attempts`,
`lease_generation`, and the render-frame high-water columns were all
dropped by Intelligence#638 (migration `000008.sql`). The evidence
stands as the historical record of how the defect was found; the columns
no longer exist to query.
### What the symptom looks like now
The root cause is identical — the cumulative cap is still unhandled —
but the failure mode has changed:
- **Then:** per-append failures were swallowed, the turn never
finalized, and the platform replayed from frame 0, producing N truncated
copies and burning the attempt budget.
- **Now:** `f1c4b6ca79` ("keep managed Slack replies atomic") added a
`strict` flag that the managed live-session path sets. In strict mode an
`appendText` / `stopStream` failure re-throws instead of being
swallowed, so `msg_too_long` surfaces as **one failed turn** rather than
five truncated copies plus a wedge.
That is strictly better, and it removes the retry-storm half of the
incident. It does not deliver the reply. The customer still loses a long
answer — which is what this PR fixes.
The direct/self-hosted path (SDK holds the token, `strict` unset) still
swallows the failure and silently truncates.
## How
`flushText` now rolls over. When a message fills and text remains:
freeze the boundary on the last line break (else last space, so a word
is never torn), close any markdown construct left open, `stopStream` it,
and continue in a fresh message that re-opens that construct. This is
the same shape as the legacy `ChunkedMessageStream`, whose splitting
logic was removed as an unnecessary `chat.update`-era workaround.
Three decisions worth review:
- **Soft limit 11k UTF-8 bytes** (`messageByteLimit`, configurable;
changed from chars after review). Slack's cumulative cap is
undocumented; 11,607 chars were *observed accepted*, so 11k sits
provably below the smallest known-good total with headroom for the
closers a boundary appends. Crossing the cap is unrecoverable for the
whole reply, not merely a truncated append, so the asymmetry favors
staying under.
- **A continuation `startStream` failure no longer falls back to
legacy.** The legacy sink is seeded with the entire accumulated buffer,
so failing over mid-reply would re-post everything already streamed —
trading one duplication bug for another. First-message failures still
fall back, preserving "opting in can never break a bot"; a continuation
failure just propagates and the next flush retries the boundary.
- **`renderContextCloser` is new rather than reusing
`autoCloseOpenMarkdown`.** The latter inserts closers *before* trailing
whitespace, which an append-only transport cannot express —
`appendStream` sends deltas and Slack has no "un-append". The new helper
is symmetric with the existing `renderContextOpener` and only ever
appends.
Both append loops (`flushText` and the pre-chunk `flushTextInline`) now
share one rollover-aware path instead of carrying duplicate cap logic,
and `flushChunk` re-checks its target after a text flush, since a
rollover retargets the stream.
### Interaction with `strict` mode
Worth a reviewer's eye now that both exist: a rollover must not be
defeated by the strict re-throw firing before the continuation is
attempted. The rollover path is entered on the *budget check*, not on a
caught provider error, so it should run ahead of any throw — but this
branch predates `strict` and the two have not been exercised together.
Needs a test that runs the rollover with `strict: true`.
## Why the suite didn't catch it
The fake transport modelled no cumulative cap at all, so the failure was
unreachable in tests. It models one now. The existing case asserting
*"keeps a long reply in ONE message, chunking appends under the 12k
per-call cap"* was asserting the bug, and is replaced by the rollover
expectations plus a fits-in-one-message regression guard.
## Related
- **OSS-685** — the tracking ticket (successor to the canceled OSS-677).
Also carries the open question of whether the gateway needs its own
guard:
`apps/realtime-gateway/lib/realtime_gateway/channels/provider_executor.ex`
now makes the managed Slack call and has no `msg_too_long`, length, or
splitting handling of its own.
- **The platform-side half is gone, not deferred.** The original plan
was app-api work — classify `msg_too_long` terminal instead of burning 5
attempts, and stop the re-claim storm. Intelligence#638 deleted the
attempt/lease machinery that produced both, so there is nothing left to
fix there. `9a6ee861` and the OSS-677 branch fixes were merged into code
that has since been removed.
- **#6238** (`fix(channels): key render lanes per delivery attempt…`)
was **closed on 2026-07-30** — it was written against render lanes and
per-delivery attempts, both retired by the cutover. The trade-off the
two PRs used to share (that PR knowingly accepting duplicate provider
output on redelivery) no longer has a referent, so nothing in this PR
depends on it.
- `packages/channels-slack` is the only live site; `bot-slack` ships
`dist` only.
## Testing
Package suite, build, and both typecheck projects, on this branch off
`main` **as of the original run** — this branch predates the
Intelligence#638 cutover and has not been re-based since:
```
$ pnpm build # tsc -p tsconfig.json
(no output)
$ pnpm check-types # tsconfig.json + tsconfig.check.json
(no output)
$ npx vitest run
Test Files 23 passed (23)
Tests 286 passed (286)
```
New coverage: rollover past the cumulative cap (no char lost or
reordered, every message finalized, per-call cap still respected,
`firstTs` still the first message), line-boundary splitting, code-fence
re-opening across a boundary, resume-after-transient-append-failure, and
the fits-in-one-message guard.
> [!WARNING]
> **Before merge:** re-base on current `main` and re-run.
`native-stream.ts` gained `strict` mode (`f1c4b6ca79`) and other changes
after this branch was cut, so the numbers above are stale and the
rollover has not been tested against `strict: true`.
> [!NOTE]
> **Updated after review** (see the two review comments for full
detail). The soft limit is now denominated in **UTF-8 bytes**, not
chars: the incident reply was English, where the two are 1:1, so it
could not tell us which unit Slack's ceiling uses — and under a byte
ceiling a char budget never fires, silently truncating any CJK/Cyrillic
reply exactly as before. Bytes are >= chars, so an 11k-byte budget is
safe in either unit.
>
> Also fixed after review: `finish()` no longer drops the undelivered
tail when a continuation `startStream` fails, and markdown tables are
re-opened across a boundary.
>
> A manual >12k reply against a real workspace is still worth doing
before ship — and it should be **mostly CJK or Cyrillic**, since that is
where the byte and char budgets disagree most.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
|
||
|
Tyler Slaton
|
0c06dbf908 | fix(channels): use channel name for thread lock | ||
|
github-actions[bot]
|
051833fff8 | style: auto-fix formatting | ||
|
Benjamin Taylor
|
ab53a77c06 |
test(channels-slack): close native-stream coverage gaps
Coverage on native-stream.ts was 87.5% stmts / 80.45% branches; now 92.7% / 88.5%. The gaps were concentrated in code this branch added, and two of them were places I had claimed coverage that did not exist. Genuinely uncovered logic, now tested: - `renderContextCloser`'s inline-code and emphasis closers, and the `hasFenceCodeContent` mirror added in the previous commit — the closer is appended at every boundary and none of its three branches were exercised. - `tableHeaderToReopen`'s "no longer inside the rows" guard, so a boundary landing after a table has ended does not inject a stray header. - The 2-byte UTF-8 width class (Cyrillic). CJK covered 3-byte and emoji 4-byte; the class between them was untested. - The `callEnd < byteEnd` branch. The test that claimed it never reached it: with a 40k budget and 30k of ASCII the whole reply fits, so the first branch won and the per-call path was never entered. Retargeted with multi-byte text. - Rollover `stopStream` failure, non-strict (proceeds) and strict-with-a-failed closer (reports the closer, not the consequence). - Truncation marker failure, non-strict (logged) and strict (reported). - A legacy tail fallback that itself fails. - Chunk behaviour around a rollover: delivered to the current message, degraded when the continuation cannot be opened, and skipped entirely when a strict text failure rejects the shared flush queue — the last of which corrected my assumption that `flushChunk` still runs in that case. It does not: `.then()` on a rejected promise skips its callback. Four guards are unreachable through the public API and are now commented as deliberately defensive rather than left looking like missing tests: the `roomBytes <= 0` and "not even one code point fits" rollover checks (every filling branch rolls over in the same iteration), `appendSlice`'s empty-delta stall guard (both boundary helpers return an index strictly greater than `curPosted`), and `truncate`'s own re-entry check (`appendPending` short-circuits first). Kept as loop-safety invariants. The residue is pre-existing or upstream: `append()`'s legacy forwarding, the zero-interval `scheduleFlush` path, `flushChunk`'s start-failure degradation, and `flushTextInline`'s strict rethrow. |
||
|
Mark
|
e816a93151 |
chore(examples): bump ADK starters to ag-ui-adk==0.7.0 for A2UI support (#6216)
## What
Bumps `ag-ui-adk` from `0.6.3` to `0.7.0` in the ADK starter templates
(`examples/integrations/adk` and `examples/integrations/adk-angular`),
and
regenerates both `uv.lock` files.
## Why
`npx create-ag-ui-app@latest` → ADK scaffolds from
`examples/integrations/adk` (via `copilotkit create -f adk`, which
resolves
`-f adk` to `copilotKitStarter("examples/integrations/adk")`).
That starter pins `ag-ui-adk==0.6.3`. A2UI generative-UI rendering for
ADK
landed in `ag-ui-adk` **0.7.0** (OSS-158, ag-ui#1955), so every ADK
project
scaffolded today ships a backend with no A2UI support at all.
## Compatibility
`ag-ui-adk` 0.7.0 requires `ag-ui-protocol>=0.1.15` (starter pins
`0.1.18` ✓),
`google-adk>=1.28.1,<3.0.0` (unpinned in the starter ✓), and pulls in
two new
transitives: `ag-ui-a2ui-toolkit>=0.0.3` and
`a2ui-agent-sdk>=0.2.4,<0.3.0`.
No manifest changes beyond the `ag-ui-adk` pin were needed.
Note on the large `uv.lock` diff: regenerating the lockfiles re-resolved
`google-adk` from `1.26.0` → `2.5.0`. The previous lock pinned
`google-adk`
below 0.7.0's new `>=1.28.1` floor, so it *had* to move; `2.5.0` is the
latest
release inside the `<3.0.0` ceiling. That major re-resolve (and its
leaner 2.x
dependency tree) accounts for the bulk of the lockfile churn. Both
starters
`uv sync` and boot (`main.py` imports cleanly) against the new tree.
## Verified
- `uv lock --check` clean on both starters
- `uv sync` resolves `ag-ui-adk 0.7.0`
- `from ag_ui_adk import get_a2ui_tool` imports (symbol does not exist
in 0.6.3)
## ⚠️ Follow-up required — this PR alone does not reach users
The `copilotkit` CLI pins the template ref at **build time**:
```js
function getTemplateRef() {
return true ? "a1c9b3147829ac358bae82df651f45a1aea2a437" : "main";
}
```
`copilotkit@4.5.0` is currently pinned to `a1c9b31`, which predates this
change. Merging this PR does **not** change what `npx
create-ag-ui-app@latest`
produces — the CLI will keep serving `ag-ui-adk==0.6.3` until a new
`copilotkit` CLI release is cut whose `getTemplateRef()` points at a
commit
containing this fix.
**A CLI release is required to ship this.**
## Out of scope
Bumping the pin gives the starter the A2UI *capability*. Whether the
scaffolded frontend registers an A2UI catalog (required for anything to
actually render) was not audited here and is left to a follow-up.
|
||
|
Benjamin Taylor
|
1a5d6678ae |
Merge branch 'main' into ben1/slack-native-stream-message-rollover
Resolves against three main commits that touched this streamer after the branch point: `strict` mode ( |