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feat(web): peer two environments from Settings → Connections - #177
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Astra review (2026-09-20): two judgment calls, neither changed in code.
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Included review availability: This review used your included allowance. 0 included reviews remain after this review. Your included PR review attempts over the past 7 days set your current allowance at 4 reviews per hour. 📝 WalkthroughWalkthroughThe change adds J5 peer API operations, client-side peering orchestration, and peer management in web Connections settings. Users can introduce peers and remove peer records. The interface displays readiness and operation outcomes. ChangesJ5 Server Peering
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant PeerIntroductionDialog
participant introducePeers
participant peeringClient
participant J5EnvironmentAtoms
participant J5HttpOperations
participant J5Servers
PeerIntroductionDialog->>introducePeers: Start introduction with local and remote sides
introducePeers->>peeringClient: Request credentials on both servers
peeringClient->>J5EnvironmentAtoms: Run credential commands
J5EnvironmentAtoms->>J5HttpOperations: Send authenticated credential requests
J5HttpOperations->>J5Servers: Issue peer credentials
introducePeers->>peeringClient: Record each server on the other
peeringClient->>J5EnvironmentAtoms: Run add-peer commands
J5EnvironmentAtoms->>J5HttpOperations: Send authenticated add-peer requests
J5HttpOperations->>J5Servers: Add peer records
introducePeers-->>PeerIntroductionDialog: Return step outcomes
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✅ Passed checks (4 passed)
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🧪 Generate unit tests (beta)
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bryantderosier
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bryantderosier
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The Connections integration is small and the step-by-step outcome reporting is nice, but removal and re-peering need work before this is safe to use, and a few surfaces are missing.
Should fix
PeerServersSettings.tsx: the "Remove peer" confirm falls back totruewhen no confirm host is mounted. (inline)PeerIntroductionDialog.tsx: the dialog never resets on close, so reopening "Add peer" shows the last run. (inline)PeerServersSettings.tsx: removal is one-sided, but the confirm text says both servers stop messaging each other. (inline)packages/client-runtime/src/j5/peering.ts: re-peering a pair that's already peered rotates the old credential out before the new one is recorded, and nothing is rolled back when a step fails. (inline)- Surfaces: the section only renders when
primaryEnvironmentId != null, so hosted app.t3.codes or any client without a local backend can't peer two remote environments, even though AC14 and the runbook say "from a client connected to both environments". There's no mobile surface and no recorded "not supported on mobile" decision. There's also nodocs/user/entry, only the operations runbook. I'd either support these or write down the decision.
Nits
peering.ts:runreturnsPromise<unknown>, which forces theas { credential: string }casts. Making it generic (<A>(step, action: () => Promise<A>) => Promise<A>) removes them.PeeringSide.environmentIdisstring, which forces theas EnvironmentIdcasts in the dialog; typing itEnvironmentIdfixes that. (inline)PeerIntroductionDialog.tsx: thelocal/remotePeeringSideobjects get built twice with slightly different fallbacks; I'd build them once. When no remote is chosen, theotherId ?? primaryEnvironmentIdsession subscription is harmless but misleading. (inline)
The fork touches are minimal (one import and mount in ConnectionsSettings.tsx, one ./j5/peering export in client-runtime) and they're recorded in FORK.md case 40.
| `Remove ${peer.label} as a peer? Agents on the two servers will no longer be able to message each other, and the credential ${peer.label} holds for this server is revoked.`, | ||
| { variant: "destructive" }, | ||
| { confirmLabel: "Remove peer" }, | ||
| ) ?? Promise.resolve(true)); |
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When no confirm host is mounted, requestConfirmDialog returns nothing, and this falls back to true, so the peer gets removed and its credential revoked without asking. For a destructive action I'd fail closed with ?? Promise.resolve(false), which is what FleetPage, ArtifactsPage and the upstream Sidebar already do.
| async (peer: PeerRecord) => { | ||
| if (primaryEnvironmentId === null) return; | ||
| const confirmed = await (requestConfirmDialog( | ||
| `Remove ${peer.label} as a peer? Agents on the two servers will no longer be able to message each other, and the credential ${peer.label} holds for this server is revoked.`, |
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This only removes the record on this server. The other server keeps its record and its live peer:<us> session, keeps reading our roster, and keeps sending messages we then reject and alarm on. That contradicts "Agents on the two servers will no longer be able to message each other." When this client is connected to the other environment with access:write, I'd call removePeer there too, mirroring introducePeers. When it isn't, the confirm and the result should say the other side still has to be removed on that server.
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Done in dfad144: when this client is connected to the other server with access:write, removal runs there too; otherwise the confirm and any failure say the other server still lists this one.
| const [primaryLabelEdit, setPrimaryLabel] = useState<string | null>(null); | ||
| const [otherLabelEdit, setOtherLabel] = useState<string | null>(null); | ||
| const [busy, setBusy] = useState(false); | ||
| const [outcome, setOutcome] = useState<PeeringOutcome | null>(null); |
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The dialog stays mounted and none of this state resets on close. After a successful peering, opening "Add peer" again shows the previous remote, any edited origins and labels, and the old "Done" step list. I'd reset the state when onOpenChange(false) fires, or key the dialog on an open counter in PeerServersSettings so each open starts fresh.
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Done in dfad144: the dialog is keyed per opening, so each Add peer starts fresh.
| } | ||
| }; | ||
| try { | ||
| const forRemote = (await run("issue-local", () => input.issue(input.local, input.remote))) as { |
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Re-peering a pair that's already peered breaks the existing link if any later step fails. issue-local rotates and revokes the credential the remote currently holds (PeerHttp revokes sessions for that subject on issue), and the remote only gets the replacement at record-remote. If issue-remote or record-remote fails, remote-to-local delivery is dead. More generally, a failure leaves issued credentials in Connections and possibly one side recorded. The failure is reported, so it isn't silent, but nothing gets cleaned up. I'd issue a fresh credential without revoking, record both sides, and only then revoke older sessions for the subject. Failing that, revoke the credentials this run issued when a step fails, and say so in the dialog.
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Since #173 (2593545) issuing revokes nothing: a server retires a peer's older sessions only when the peer first presents the newer credential at record time. So re-peering an already peered pair leaves the existing link working if a later step fails. What a failed run leaves is at most an issued, unused credential; the dialog now says so (dfad144) and points at Connections, where it is listed and can be revoked.
| ) => Promise<unknown>; | ||
| }): Promise<PeeringOutcome> { | ||
| const steps: Array<PeeringStepOutcome> = []; | ||
| const run = async (step: PeeringStep, action: () => Promise<unknown>) => { |
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Nit: because run returns Promise<unknown>, the callers below need as { credential: string } casts. const run = async <A>(step: PeeringStep, action: () => Promise<A>): Promise<A> infers the types and removes the casts. The same goes for PeeringSide.environmentId: string on line 13: typing it EnvironmentId removes the as EnvironmentId casts in PeerIntroductionDialog.tsx.
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Done in dfad144: run is generic, PeeringSide.environmentId is EnvironmentId, the casts are gone.
| } | ||
| }; | ||
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| const local: PeeringSide = { |
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Nit: this rebuilds local/remote after peer() already built them, with slightly different fallbacks ("this server" here vs. the environment id there). I'd build them once and use them in both places so the preview and the actual request can't drift. Separately, the otherId ?? primaryEnvironmentId subscription on line 69 is harmless, but it reads as if it means something when no remote is chosen.
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Done in dfad144: the two sides are built once and used for both the titles and the request; the subscription has a comment saying why it takes the primary id until a remote is chosen.
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Inline comments:
In `@apps/web/src/j5/peering/PeerIntroductionDialog.tsx`:
- Line 149: Update the Dialog’s onOpenChange handler in PeerIntroductionDialog
to ignore close requests while busy, while still forwarding open requests and
all changes when not busy to the existing onOpenChange callback.
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📒 Files selected for processing (13)
FORK.mdapps/web/src/components/settings/ConnectionsSettings.tsxapps/web/src/j5/peering/PeerIntroductionDialog.tsxapps/web/src/j5/peering/PeerServersSettings.tsxapps/web/src/j5/peering/peeringClient.tsapps/web/src/j5/state.tsdocs/j5/product/cross-device.mdpackages/client-runtime/package.jsonpackages/client-runtime/src/j5/http.test.tspackages/client-runtime/src/j5/http.tspackages/client-runtime/src/j5/peering.test.tspackages/client-runtime/src/j5/peering.tspackages/client-runtime/src/j5/state.ts
Files not reviewed due to moderation or processing errors (4)
- packages/client-runtime/src/j5/peering.ts
- packages/client-runtime/src/j5/peering.test.ts
- apps/web/src/j5/state.ts
- apps/web/src/j5/peering/peeringClient.ts
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Peering existed only as routes and a CLI. The client is the one party connected to both servers with administrative scope, so the introduction belongs in the client. Adds a Peer servers section to Settings → Connections on web and desktop, shown when the connection to this server can manage access. It lists the recorded peers with remove, and a "Peer with…" dialog picks another connected environment, offers each server's origin as a starting point with a loopback warning, lets the person confirm the address each server will actually use, and then runs the mutual introduction: a credential issued on each side for the other, and each side recording the other after proving the credential at its origin. The steps are reported one by one, so a failure shows exactly what stands. The client helpers live in client-runtime so mobile can reuse them; mobile has no surface for this yet. Built by Claude Fable 5.1 in Claude Code. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
… server The dialog read as an undifferentiated list of four fields. It now names this server up top, takes the remote server beside it, and shows two mirrored columns: this server's address on the remote and its name there, and the remote's address here and its name here. The columns stack when the dialog is narrow. Requested by Jackson while testing two servers on one host. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
"Peer with…" read as a truncated label next to "Add environment". Use the same verb form as its neighbour; the dialog title still says what it does. Built by Claude Fable 5.1 in Claude Code. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
…start every introduction fresh Review of #177. Removing a peer used to delete only this server's record while the other server kept its record and live session, contradicting the confirm text. When this client is connected to the other server with access:write, removal now runs there too, as the introduction did; when it is not, the confirm and any failure say the other server still lists this one. The confirm fails closed when no dialog host is mounted. The introduction dialog is keyed per opening so a previous run's remote, edits and step list never carry over, builds the two sides once for both the step titles and the request, and, after a failed run, says what was left behind: nothing undone, the existing peering intact, and at most an issued credential listed under Connections. Peering sides carry a typed environment id and the step runner is generic, so the casts go. The product definition records that removal is mutual when it can be and that peering is managed from web and desktop, not the mobile client. Built by Claude Fable 5.1 in Claude Code. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
…contract now requires The registry review added credentialExpiresAt and inboundSession to PeerRecord; the client-runtime peer-routes test still answered with the older shape and failed to decode in CI. Built by Claude Fable 5.1 in Claude Code. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Cancel was disabled during a run, but Escape, the backdrop and the close button still closed the dialog. The run kept going and wrote its per-step report into a dialog nobody could see, and the next Add peer mounted a fresh one, losing the report and the recovery guidance. Built by Claude Fable 5.1 in Claude Code. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
…ironment does Main's shadcn no-restyle lint rule forbids restyling a Button's typography or color with classes. The peer-servers header action now takes the ghost-muted variant that main's own Add environment action uses, instead of overriding ghost with muted text classes. Built by Claude Opus 5.5 in Claude Code. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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…sonas Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Stack 6/8. Depends on #176. Merge in order, retargeting to
j5/mainas predecessors land.Full stack:
Testing:
scripts/j5/pr-env.sh <pr> --peer(#255) serves this PR's build as two peered servers, Local and Remote. Rebased ontoj5/mainon 2026-09-30, after the Effect rc.115 upstream sync and the Playbooks and Crews migrations landed; peer migrations are now 023–027 and the FORK.md case is 48. A test state directory that ran an earlier cut of this stack recorded the peer tables under other ids, so rerunpr-env.shwith--freshfor such environments.Stack 5 of the cross-server peering build, the last. Base: #176 (return path). Builds cross-device AC12, AC14, and AC15 on the client side.
Problem
Peering existed only as routes and a CLI. The definition says the client, which alone is connected to both servers with administrative scope, performs the introduction.
What this adds
access:writegate as pairing links and sessions. It lists this server's recorded peers with their origin and a Remove action that confirms first and also revokes the credential the peer held here.introducePeersin client-runtime issues a credential on each side for the other, then records each side on the other, proving the credential at the origin. It stops at the first failure and reports every step as done, failed, or skipped, so the person sees exactly what stands and can retry.client-runtime(j5/http.ts,j5/state.ts, newj5/peering.tssubpath) so mobile can reuse them.Surfaces
j5 a2a peerfrom stack 1 remains the headless path.Upstream touch
One mount in
ConnectionsSettings.tsx, recorded in FORK.md case 36. Nothing else in the file changes. The lint warning at line 2096 of that file is pre-existing memoization advice unrelated to this change.Verification
peering.test.tscovers the origin default, the loopback warning, readiness, and the four-step sequencing with a failure mid-way.http.test.tsgains a case driving all four peer routes with each server's own credential and one surfacing a peer refusal code.tsgo --noEmitclean forapps/webandpackages/client-runtime.vp lintclean on the new files. Not exercised in a browser; I did not launch a dev server for this.After the 2026-09-30 rebase: the Add peer header action uses main's
ghost-mutedbutton variant, as Add environment does, to satisfy main's Button no-restyle lint rule.Built by Claude Fable 5.1 in Claude Code.
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