fix: update team state live after joining or leaving the directory

.lane/memory/apps/host/src/directory.ts/01M4YVZAF65FJNKV1XBYTBZAFX-a-directory-change-resets-th.md

@@ -4,9 +4,9 @@ anchor: function configure
 created: 2026-10-15T04:08:53Z
 norm: '1'
 sig: f3e1bf286b59976d
-body_hash: 6b5edb5d1c039626
-raw_hash: 5154b99e7146ea7b
-vouched: 2026-10-22T14:33:26Z
+body_hash: 8ac9e99449a990ef
+raw_hash: 5b6fd56a9863703b
+vouched: 2026-10-23T12:24:44Z
 lines: 46-54
 ---
 

.lane/memory/apps/host/src/directory.ts/01M4YWKAGD3FTMWYWE1KVXT9Q1-the-poll-may-slow-only-while.md

@@ -3,10 +3,10 @@ id: 01M4YWKAGD3FTMWYWE1KVXT9Q1
 anchor: function watch
 created: 2026-10-15T04:19:48Z
 norm: '1'
-sig: 01895e7ff9a47d37
-body_hash: fe03a4474929e917
-raw_hash: c6d495788240ddb4
-vouched: 2026-10-21T21:55:17Z
+sig: 576e815f30f4d9cc
+body_hash: c1335e94c837e607
+raw_hash: a182e4b2f0856f99
+vouched: 2026-10-23T12:24:51Z
 lines: 89-149
 ---
 

.lane/memory/apps/host/src/directory.ts/01M5MBG92EP0H76ECNZM2E28MS-every-join-or-leave-tells-th.md

@@ -0,0 +1,12 @@
+---
+id: 01M5MBG92EP0H76ECNZM2E28MS
+anchor: function configure
+created: 2026-10-23T12:24:20Z
+norm: '1'
+sig: f3e1bf286b59976d
+body_hash: 8ac9e99449a990ef
+raw_hash: 5b6fd56a9863703b
+lines: 85-94
+---
+
+every join or leave tells the running host's apps (chose), so their directory views never need a reload

.lane/memory/apps/host/src/gateway.ts/01M4YT9Z8YJ2ZWZCVB752WDCFF-workers-and-agent-shells-fin.md

@@ -4,9 +4,9 @@ anchor: function serve
 created: 2026-10-15T03:39:45Z
 norm: '1'
 sig: 171797818ef4d836
-body_hash: f0a0ef2c205726cc
-raw_hash: a98db292f7a9e13d
-vouched: 2026-10-22T21:42:37Z
+body_hash: bbdacdd140d7e7dd
+raw_hash: a8ce4182bc2233cf
+vouched: 2026-10-23T12:24:45Z
 lines: 668-751
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M4ZH1NMBK54TCB970R3AJ1X1-a-loopback-host-must-not-cal.md

@@ -4,9 +4,9 @@ anchor: function serve
 created: 2026-10-15T10:17:10Z
 norm: '1'
 sig: 171797818ef4d836
-body_hash: f0a0ef2c205726cc
-raw_hash: a98db292f7a9e13d
-vouched: 2026-10-22T21:42:37Z
+body_hash: bbdacdd140d7e7dd
+raw_hash: a8ce4182bc2233cf
+vouched: 2026-10-23T12:24:46Z
 lines: 830-948
 supersedes: 01M4Z2R1HEVDKEA8VEJ7XRJQ8F
 ---

.lane/memory/apps/host/src/gateway.ts/01M5D4BXMERGZ1EZ3EYAFM3YC4-worker-requests-worker-never.md

@@ -4,9 +4,9 @@ anchor: '@file'
 created: 2026-10-20T17:04:56Z
 norm: '1'
 sig: 1acdc0f6a0895ac5
-body_hash: d40dd86c1ca9274b
-raw_hash: b0a5d34f855ac98b
-vouched: 2026-10-22T22:21:16Z
+body_hash: 07a0161028eb0d88
+raw_hash: 893db37db5fb95f0
+vouched: 2026-10-23T12:24:46Z
 lines: 1-1153
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M5HYM54QCSF4ESXJSWZK588G-every-project-op-that-change.md

@@ -4,9 +4,9 @@ anchor: '@file'
 created: 2026-10-22T14:00:47Z
 norm: '1'
 sig: 1acdc0f6a0895ac5
-body_hash: d40dd86c1ca9274b
-raw_hash: b0a5d34f855ac98b
-vouched: 2026-10-22T22:21:16Z
+body_hash: 07a0161028eb0d88
+raw_hash: 893db37db5fb95f0
+vouched: 2026-10-23T12:24:47Z
 lines: 1-1309
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M5JQ79TQ8E8R693FQD7PF3RP-only-a-command-line-host-pri.md

@@ -4,9 +4,9 @@ anchor: function serve
 created: 2026-10-22T21:10:40Z
 norm: '1'
 sig: 171797818ef4d836
-body_hash: f0a0ef2c205726cc
-raw_hash: a98db292f7a9e13d
-vouched: 2026-10-22T21:42:37Z
+body_hash: bbdacdd140d7e7dd
+raw_hash: a8ce4182bc2233cf
+vouched: 2026-10-23T12:24:49Z
 lines: 1191-1341
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M5JS1HEWX8RK77BQVSA9XQZG-ace-helper-s-tailnet-self-re.md

@@ -4,8 +4,9 @@ anchor: function serve
 created: 2026-10-22T21:42:29Z
 norm: '1'
 sig: 171797818ef4d836
-body_hash: f0a0ef2c205726cc
-raw_hash: a98db292f7a9e13d
+body_hash: bbdacdd140d7e7dd
+raw_hash: a8ce4182bc2233cf
+vouched: 2026-10-23T12:24:50Z
 lines: 1200-1357
 ---
 

apps/app/src/directory-settings.tsx

@@ -7,7 +7,7 @@ import { desktop } from "./desktop";
 import { host } from "./host";
 import { useDiagnostics } from "./host-settings";
 import { parse } from "./invite";
-import { CREATE_DIRECTORY, DIRECTORY_CHANGED, People, useRoster } from "./onboarding";
+import { CREATE_DIRECTORY, People, useRoster } from "./onboarding";
 import { Confirm, Group, Page, Problem, Row, Status, Value, when } from "./settings-layout";
 import { DirectoryHosts, TEAM_SETUP } from "./team-setup";
 
@@ -233,7 +233,6 @@ function TeamDirectory(
 		} catch (error) {
 			setAction({ row, error: (error as Error).message });
 		}
-		window.dispatchEvent(new Event(DIRECTORY_CHANGED));
 		onChange();
 	}
 
@@ -259,7 +258,10 @@ function TeamDirectory(
 				id="directory-label"
 				label="Directory"
 				description={directory.serving
-					? `Served by this Mac at ${directory.url}`
+					// `ace directory off` leaves the directory this Mac still serves.
+					? directory.url
+						? `Served by this Mac at ${directory.url}`
+						: "Served by this Mac, which isn't in it"
 					: directory.url || (
 						<>
 							None yet. Teammates see channels only while their Mac is online.{" "}

apps/app/src/host-settings.tsx

@@ -14,6 +14,8 @@ import { Confirm, Group, Page, Problem, Row, Status, Value } from "./settings-la
 /** The host's tool and team checks, re-read while `active` and whenever `refresh` is called. */
 export function useDiagnostics(active: boolean) {
 	const status = useSyncExternalStore(host.subscribe, () => host.status);
+	// Joining or leaving the directory from anywhere, such as the CLI, changes what this shows.
+	const version = useSyncExternalStore(host.subscribe, () => host.settingsVersion);
 	const [retry, setRetry] = useState(0);
 	/** A refresh can also sync the team directory, so its row shows that attempt rather than a stale one. */
 	const syncing = useRef(false);
@@ -35,7 +37,7 @@ export function useDiagnostics(active: boolean) {
 		return () => {
 			live = false;
 		};
-	}, [active, status, retry]);
+	}, [active, status, version, retry]);
 
 	// The shell environment, the first directory sync, and a keychain read waiting on a prompt all
 	// land in the background; show their results without a manual refresh.

apps/app/src/onboarding.tsx

@@ -9,21 +9,18 @@ import { Checks, Choice, Copyable, Footer, Header, Link, Pill } from "./team-set
 
 const DOWNLOAD = "https://ace.githubnext.com";
 const TAILSCALE_USERS = "https://login.tailscale.com/admin/users";
-/** Sent after the directory is created, joined, or left, so every view of it reads it again. */
-export const DIRECTORY_CHANGED = "ace:directory-changed";
 /** Opens Create directory from anywhere: the sidebar card, an offline channel, or Settings. */
 export const CREATE_DIRECTORY = "ace:create-directory";
 
-/** The directory as this host last reported it; undefined until the host answers. */
+/**
+ * The directory as this host last reported it; undefined until the host answers. The host tells
+ * its apps when it joins or leaves one, whether from this app, another window, the CLI, or an
+ * approved ask.
+ */
 export function useDirectory(): Diagnostics["directory"] | undefined {
 	const status = useSyncExternalStore(host.subscribe, () => host.status);
+	const version = useSyncExternalStore(host.subscribe, () => host.settingsVersion);
 	const [directory, setDirectory] = useState<Diagnostics["directory"]>();
-	const [changed, setChanged] = useState(0);
-	useEffect(() => {
-		const bump = () => setChanged(value => value + 1);
-		window.addEventListener(DIRECTORY_CHANGED, bump);
-		return () => window.removeEventListener(DIRECTORY_CHANGED, bump);
-	}, []);
 	useEffect(() => {
 		if (status !== "open") return;
 		let live = true;
@@ -34,7 +31,7 @@ export function useDirectory(): Diagnostics["directory"] | undefined {
 		return () => {
 			live = false;
 		};
-	}, [status, changed]);
+	}, [status, version]);
 	return directory;
 }
 
@@ -264,7 +261,6 @@ export function DirectoryCard(
 		setError("");
 		try {
 			await host.request({ op: "directory-set", url });
-			window.dispatchEvent(new Event(DIRECTORY_CHANGED));
 		} catch (error) {
 			setError((error as Error).message);
 		} finally {
@@ -383,7 +379,6 @@ export function CreateDirectory({ onAdd, onClose }: { onAdd: () => void; onClose
 		setError("");
 		try {
 			setUrl(await host.request<string>({ op: "directory-serve", serve: true }));
-			window.dispatchEvent(new Event(DIRECTORY_CHANGED));
 			setStep("done");
 		} catch (error) {
 			setError((error as Error).message);

apps/app/src/team-setup.tsx

@@ -478,9 +478,11 @@ function Nearby({ onJoined, team }: { onJoined: () => void; team?: string }) {
 		setError("");
 		try {
 			await host.request({ op: "team-ask", host: peer.host });
-			// Joining closes Team setup, so the asker may have looked away; say it outside it.
+			// Joining closes Team setup, and the asker is often at their teammate's screen while they
+			// approve, so the news waits outside it until dismissed.
 			toast.success(`${who} let you in`, {
 				description: "You're in your team's directory now.",
+				duration: Infinity,
 			});
 			onJoined();
 		} catch (error) {

apps/host/src/directory.ts

@@ -60,7 +60,9 @@ let synced: number | undefined;
 let error: string | undefined;
 let failed: number | undefined;
 /** The running host's watch, so a change made through it takes effect without waiting for a heartbeat. */
-let active: { sync(): Promise<void>; again(): Promise<void>; changed(): void } | undefined;
+let active:
+	| { sync(): Promise<void>; again(): Promise<void>; changed(): void; chose(): void }
+	| undefined;
 
 /** A directory base URL without a trailing slash. */
 export function canonical(value: string): string {
@@ -86,6 +88,7 @@ export function configure(value: string | undefined): Promise<void> | undefined
 	synced = undefined;
 	error = undefined;
 	failed = undefined;
+	active?.chose();
 	active?.changed();
 	return active?.sync();
 }
@@ -262,6 +265,8 @@ type Options = {
 	channels(): Promise<Listing[]>;
 	/** After each refresh. */
 	changed(): void;
+	/** After joining, changing, or leaving the directory, by any route: the app, the CLI, or a peer's hello. */
+	chose(): void;
 	/** After each publish; `before` is this process's previous publication, if any. */
 	published(before: Listing[] | undefined, after: Listing[]): void;
 	/** Every project this host knows has a live lobby pushing its changes. */
@@ -272,7 +277,7 @@ type Options = {
  * Publish this host's channels, then refresh what the directory knows. Failures keep the last
  * answer, so an unreachable directory never hides channels.
  */
-export function watch({ self, channels, changed, published, covered }: Options) {
+export function watch({ self, channels, changed, chose, published, covered }: Options) {
 	const controller = new AbortController();
 	let running: { base: string; done: Promise<void>; again?: Promise<void> } | undefined;
 	let before: Listing[] | undefined;
@@ -332,7 +337,7 @@ export function watch({ self, channels, changed, published, covered }: Options)
 		if (!running || running.base !== url()) return join();
 		return running.again ??= running.done.then(join);
 	};
-	active = { sync: join, again: sync, changed };
+	active = { sync: join, again: sync, changed, chose };
 	void join();
 	const interval = setInterval(() => {
 		// A failed publish keeps retrying every heartbeat; lobbies only carry what was published.

apps/host/src/gateway.ts

@@ -1279,6 +1279,7 @@ export async function serve(port: number, loopback = false, script?: string): Pr
 		self: () => ({ name, login: catalog.user, github: github.login(loginChanged), ...address }),
 		channels: local,
 		changed: () => void sharesChanged(),
+		chose: settingsChanged,
 		published: (before, after) => before && lobby.published(before, after),
 		covered: lobby.isCovered,
 	});

apps/host/src/protocol.ts

@@ -462,7 +462,10 @@ export type HostFrame =
 	/** What a pending request waits on, such as keychain access; null once it no longer waits. */
 	| { id: number; waiting: string | null }
 	| { rename: TabRename }
-	/** Local settings changed; clients reload model availability without receiving secrets. */
+	/**
+	 * Local settings or the joined directory changed; clients reload model availability and the
+	 * directory's state without receiving secrets.
+	 */
 	| { settings: true }
 	/** Opened projects belong to the local owner and are never sent to tailnet peers. */
 	| { projects: Project[] }