fix(channel): admit stop and kill like ask, and hide @ace from blocked teammates

.lane/attic/packages/channel/src/channel.ts/01M5AZ4CKBK8Q49Z6TCNZGMVDS-stop-and-kill-go-through-may.md

@@ -0,0 +1,12 @@
+---
+id: 01M5AZ4CKBK8Q49Z6TCNZGMVDS
+anchor: class Channel
+created: 2026-10-19T20:54:58Z
+norm: '1'
+sig: c905677fa4be33c1
+body_hash: 69f52b41268c803d
+raw_hash: eb621c3d81f78e67
+lines: 151-985
+---
+
+stop and kill go through #mayInvoke like ask; whoever can't start a run can't end one

.lane/memory/apps/app/src/composer.tsx/01M4YQG7BVWEFZPD56A2BA0VE9-mode-ace-mode-channels-id-an.md

@@ -4,9 +4,9 @@ anchor: function Composer
 created: 2026-10-15T02:50:44Z
 norm: '1'
 sig: 6e0e6c5c8afbd01a
-body_hash: c26ff8b1e57b818f
-raw_hash: 6f6bb4ad6bd95eb3
-vouched: 2026-10-19T20:51:12Z
+body_hash: 5f7b73ecdc92491d
+raw_hash: 92a0017bb10f2de6
+vouched: 2026-10-19T20:57:54Z
 lines: 99-282
 ---
 

.lane/memory/apps/app/src/composer.tsx/01M4ZSEZBJJ3AMEBTR7SH36FW4-models-are-read-only-while-t.md

@@ -4,9 +4,9 @@ anchor: function Composer
 created: 2026-10-15T12:44:15Z
 norm: '1'
 sig: 6e0e6c5c8afbd01a
-body_hash: c26ff8b1e57b818f
-raw_hash: 6f6bb4ad6bd95eb3
-vouched: 2026-10-19T20:51:12Z
+body_hash: 5f7b73ecdc92491d
+raw_hash: 92a0017bb10f2de6
+vouched: 2026-10-19T20:57:54Z
 lines: 101-290
 ---
 

.lane/memory/apps/app/src/composer.tsx/01M4ZYQVGB6C87WBEV12WPQ8PF-a-withdrawn-message-returns.md

@@ -4,9 +4,9 @@ anchor: function Composer
 created: 2026-10-15T14:16:28Z
 norm: '1'
 sig: 6e0e6c5c8afbd01a
-body_hash: c26ff8b1e57b818f
-raw_hash: 6f6bb4ad6bd95eb3
-vouched: 2026-10-19T20:51:12Z
+body_hash: 5f7b73ecdc92491d
+raw_hash: 92a0017bb10f2de6
+vouched: 2026-10-19T20:57:54Z
 lines: 104-326
 ---
 

.lane/memory/apps/app/src/settings.tsx/01M5AYX7F0E4JW72ECJTK6SNZK-every-provider-link-opens-se.md

@@ -4,8 +4,9 @@ anchor: function Settings
 created: 2026-10-19T20:51:03Z
 norm: '1'
 sig: 8d6f8142ef1a23f2
-body_hash: 5ebe48e26d37220b
-raw_hash: a4c1b368058b0077
+body_hash: ab1332a896bdd893
+raw_hash: b048e59ec08c6130
+vouched: 2026-10-19T20:57:54Z
 lines: 325-537
 ---
 

.lane/memory/apps/app/src/settings.tsx/01M5AZ0WJH0JC0ANYXJZEBSZFF-section-buttons-focus-themse.md

@@ -4,8 +4,9 @@ anchor: function Settings
 created: 2026-10-19T20:53:03Z
 norm: '1'
 sig: 8d6f8142ef1a23f2
-body_hash: 632e6f14cd21b9a8
-raw_hash: a17e7f834c859315
+body_hash: ab1332a896bdd893
+raw_hash: b048e59ec08c6130
+vouched: 2026-10-19T20:57:54Z
 lines: 325-545
 ---
 

.lane/memory/apps/host/src/cli.ts/01M4YY5SXJFQK8VXT78X1E0KAE-every-command-but-serve-must.md

@@ -4,9 +4,9 @@ anchor: function main
 created: 2026-10-15T04:47:23Z
 norm: '1'
 sig: 7d5d3f63a3bddde4
-body_hash: 397cc128a3b3cb7c
-raw_hash: 55881f356849ef02
-vouched: 2026-10-19T16:56:54Z
+body_hash: 2274b654de30a8ac
+raw_hash: 23940716838db5e6
+vouched: 2026-10-19T20:55:05Z
 lines: 253-482
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M4YVZ6KGNQ7MFS1RP81MQCE0-a-hosted-channel-s-location.md

@@ -4,9 +4,9 @@ anchor: function handle
 created: 2026-10-15T04:08:49Z
 norm: '1'
 sig: e597b5fbc8e664ce
-body_hash: ef8527c95dcbf51a
-raw_hash: 3d4e766de43b3348
-vouched: 2026-10-19T18:26:01Z
+body_hash: 67b82b247b0adc3f
+raw_hash: f2b48d8004d3b7cb
+vouched: 2026-10-19T20:55:05Z
 lines: 266-519
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M4Z2BCKRNHVMYEMC0KH3Q6BN-a-hosted-channel-must-be-rea.md

@@ -4,9 +4,9 @@ anchor: function handle
 created: 2026-10-15T06:00:20Z
 norm: '1'
 sig: e597b5fbc8e664ce
-body_hash: ef8527c95dcbf51a
-raw_hash: 3d4e766de43b3348
-vouched: 2026-10-19T18:26:02Z
+body_hash: 67b82b247b0adc3f
+raw_hash: f2b48d8004d3b7cb
+vouched: 2026-10-19T20:55:06Z
 lines: 281-561
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M5APK9YCQH467YNMKAC8BT5B-a-move-to-a-cloud-workspace.md

@@ -4,8 +4,9 @@ anchor: function handle
 created: 2026-10-19T18:25:49Z
 norm: '1'
 sig: e597b5fbc8e664ce
-body_hash: ef8527c95dcbf51a
-raw_hash: 3d4e766de43b3348
+body_hash: 67b82b247b0adc3f
+raw_hash: f2b48d8004d3b7cb
+vouched: 2026-10-19T20:55:06Z
 lines: 379-692
 ---
 

.lane/memory/apps/host/src/gateway.ts/01M5AZ4CX0CX0QP8TMTSE6Y5B8-stop-and-kill-always-get-the.md

@@ -0,0 +1,12 @@
+---
+id: 01M5AZ4CX0CX0QP8TMTSE6Y5B8
+anchor: function authored
+created: 2026-10-19T20:54:58Z
+norm: '1'
+sig: 57e007663f34cc44
+body_hash: 642651b36a1ec33e
+raw_hash: 3eb9f837a1e9ecef
+lines: 382-387
+---
+
+stop and kill always get the verified author, even when an older client sent none, or the owner's own stop is refused

.lane/memory/apps/host/src/manage.ts/01M53BRYK06ZK7SQGN565PYN6R-a-frozen-compute-channel-run.md

@@ -4,8 +4,9 @@ anchor: function kill
 created: 2026-10-16T22:01:59Z
 norm: '1'
 sig: 513ab7051807bd68
-body_hash: c5c00bce00544277
-raw_hash: 8b791f6674195e35
+body_hash: 679a9e727fe00a07
+raw_hash: 0c7e17ee0991afa6
+vouched: 2026-10-19T20:55:06Z
 lines: 116-143
 ---
 

.lane/memory/packages/channel/src/channel.ts/01M4XQKND0900E94CG3BXBEJP7-a-run-s-end-is-read-from-the.md

@@ -4,9 +4,9 @@ anchor: class Channel
 created: 2026-10-14T17:33:22Z
 norm: '1'
 sig: c905677fa4be33c1
-body_hash: 5a0314d40ff6a649
-raw_hash: 6384441db3491561
-vouched: 2026-10-19T20:53:00Z
+body_hash: b94131a282fede50
+raw_hash: 0632800a47dcc747
+vouched: 2026-10-19T20:57:54Z
 lines: 114-792
 ---
 

.lane/memory/packages/channel/src/channel.ts/01M4YFFTK7TWGKENJAD1W10HJJ-the-desktop-default-changes.md

@@ -4,9 +4,9 @@ anchor: class Channel
 created: 2026-10-15T00:30:42Z
 norm: '1'
 sig: c905677fa4be33c1
-body_hash: 5a0314d40ff6a649
-raw_hash: 6384441db3491561
-vouched: 2026-10-19T20:53:00Z
+body_hash: b94131a282fede50
+raw_hash: 0632800a47dcc747
+vouched: 2026-10-19T20:57:54Z
 lines: 114-792
 ---
 

.lane/memory/packages/channel/src/channel.ts/01M4YPJQB6KKEW1YTRD08YCYJY-only-gateways-admit-clients.md

@@ -4,9 +4,9 @@ anchor: class Channel
 created: 2026-10-15T02:34:37Z
 norm: '1'
 sig: c905677fa4be33c1
-body_hash: 5a0314d40ff6a649
-raw_hash: 6384441db3491561
-vouched: 2026-10-19T20:53:00Z
+body_hash: b94131a282fede50
+raw_hash: 0632800a47dcc747
+vouched: 2026-10-19T20:57:54Z
 lines: 114-794
 ---
 

.lane/memory/packages/channel/src/channel.ts/01M4ZH31DXZK0Y57C97DP84ZKX-handoffs-learns-queued-hando.md

@@ -4,9 +4,9 @@ anchor: class Channel
 created: 2026-10-15T10:17:55Z
 norm: '1'
 sig: c905677fa4be33c1
-body_hash: 5a0314d40ff6a649
-raw_hash: 6384441db3491561
-vouched: 2026-10-19T20:53:00Z
+body_hash: b94131a282fede50
+raw_hash: 0632800a47dcc747
+vouched: 2026-10-19T20:57:54Z
 lines: 121-817
 ---
 

.lane/memory/packages/channel/src/channel.ts/01M53CAGW2RVRKCYF5BCJRTZX2-a-fork-s-starting-lane-is-re.md

@@ -4,9 +4,9 @@ anchor: class Channel
 created: 2026-10-16T22:11:35Z
 norm: '1'
 sig: c905677fa4be33c1
-body_hash: 5a0314d40ff6a649
-raw_hash: 6384441db3491561
-vouched: 2026-10-19T20:53:00Z
+body_hash: b94131a282fede50
+raw_hash: 0632800a47dcc747
+vouched: 2026-10-19T20:57:54Z
 lines: 127-873
 ---
 

apps/app/src/composer.tsx

@@ -22,9 +22,10 @@ const MODES = [
 	{ id: "chat", name: "Chat", placeholder: "Mention @ace to ask the agent" },
 	ACE_MODE,
 ];
-// Teammates keep the Ace mode and their drafts while the owner has turned invocation off.
-const BLOCKED_MODES = [{ id: "chat", name: "Chat", placeholder: "Message the channel" }, ACE_MODE];
+// A teammate the owner hasn't let invoke sees no @ace; the stored mode brings it back with access.
+const BLOCKED_MODES = [{ id: "chat", name: "Chat", placeholder: "Message the channel" }];
 const MENTIONS = [{ name: "ace", avatar: aceAvatar }];
+const NO_MENTIONS: typeof MENTIONS = [];
 export const EFFORTS: Record<Effort, string> = {
 	off: "Off",
 	minimal: "Minimal",
@@ -60,17 +61,6 @@ type Props = {
 	accessory?: ReactNode;
 };
 
-/** The channel refuses these too; holding them here keeps the draft instead of failing a send. */
-function useInvocation(shared: boolean | undefined, owner: boolean, mode: string) {
-	const [mentioned, setMentioned] = useState(false);
-	const blocked = shared === false && !owner;
-	return {
-		blocked,
-		refused: blocked && (mode === "ace" || mentioned),
-		onText: (text: string) => setMentioned(ACE.test(text)),
-	};
-}
-
 /** Below the composer: its attachment tray rises over the space above it and takes clicks there. */
 export function Notice({ children, action }: { children: ReactNode; action?: ReactNode }) {
 	return (
@@ -84,22 +74,6 @@ export function Notice({ children, action }: { children: ReactNode; action?: Rea
 	);
 }
 
-/** Why a teammate's invoking draft is held while the owner has turned invocation off. */
-function Refusal({ mode, onChat }: { mode: string; onChat: () => void }) {
-	return (
-		<Notice
-			action={
-				<Button size="sm" variant="ghost" onClick={onChat}>
-					{mode === "ace" ? "Switch to Chat" : "Remove @ace"}
-				</Button>
-			}
-		>
-			The owner has turned off teammate agent invocation.{" "}
-			{mode === "ace" ? "Switch to Chat" : "Remove @ace"} to send this as a message.
-		</Notice>
-	);
-}
-
 /** A failed admission keeps the draft and attachments available for retry. */
 export function Composer(
 	{
@@ -125,7 +99,10 @@ export function Composer(
 	const [attached, setAttached] = useState<Attachment[]>([]);
 	// Kept beside the channel's draft so a deliberate mode and an unsent model pick survive relaunch.
 	const scope = `/channels/${channel.id}`;
-	const [mode, changeMode] = useLocalStorage(`ace:mode:${scope}`, "ace");
+	const [stored, changeMode] = useLocalStorage(`ace:mode:${scope}`, "ace");
+	// The channel refuses a blocked teammate's ask, stop, and kill too.
+	const blocked = shared === false && channel.owner !== user;
+	const mode = blocked ? "chat" : stored;
 	const [models, setModels] = useState<ModelOption[]>();
 	const [modelError, setModelError] = useState<string>();
 	const status = useSyncExternalStore(host.subscribe, () => host.status);
@@ -135,6 +112,13 @@ export function Composer(
 		composer.current?.set(ACE.test(draft) ? draft : `@ace ${draft}`);
 		onDraftLoaded();
 	}, [draft, onDraftLoaded]);
+	// A saved Ace draft keeps its words as a message; its mention returns with access, from the mode.
+	useEffect(() => {
+		if (!blocked) return;
+		const doc = composer.current?.get();
+		const text = doc ? serialize(doc) : "";
+		if (ACE.test(text)) composer.current?.set(text.replace(/(^|\s)@ace\b\s*/gi, "$1").trim());
+	}, [blocked]);
 	// Each withdrawn message returns once, ahead of whatever the user has typed since.
 	const restored = useRef(new Set<number>());
 	useEffect(() => {
@@ -147,7 +131,7 @@ export function Composer(
 		// One leading mention invokes the whole draft; an empty Ace-mode composer holds only that.
 		const text = [...mine.map((message) => message.text), doc ? serialize(doc) : ""]
 			.map((part) => part.replace(LEADING, "").trim()).filter(Boolean).join("\n\n");
-		composer.current?.set(`@ace ${text}`);
+		composer.current?.set(blocked ? text : `@ace ${text}`);
 		const images = mine.flatMap((message) => message.images || []);
 		const files = mine.flatMap((message) => message.files || []);
 		if (images.length || files.length) {
@@ -171,7 +155,7 @@ export function Composer(
 				: `Stopped before ${mine.length} of your queued messages ran`,
 			{ description: `${mine.length === 1 ? "It's" : "They're"} back in the composer.` },
 		);
-	}, [returned, user]);
+	}, [returned, user, blocked]);
 	// An offline channel can't answer; the conversation already says so, so don't blame providers.
 	const offline = channel.state === "offline";
 	useEffect(() => {
@@ -223,27 +207,15 @@ export function Composer(
 	}
 	// Automatic stays offered so a chat whose model lost its key can hand the choice back.
 	choices.unshift({ id: "auto", name: "Automatic", vendor: "" });
-	const { blocked, refused, onText } = useInvocation(shared, channel.owner === user, mode);
-	// A mention invokes in Chat mode too, so sending as a message drops it from the draft.
-	const toChat = () => {
-		changeMode("chat");
-		const doc = composer.current?.get();
-		const text = doc ? serialize(doc) : "";
-		if (ACE.test(text)) composer.current?.set(text.replace(/(^|\s)@ace\b\s*/gi, "$1").trim());
-	};
 	// Formatting tools crowd a phone's composer; they stay one tap away.
 	const phone = useMedia("(width < 40rem)");
 
 	async function send(text: string, mode: string, attached: Attachment[]) {
 		if (sending.current) return;
-		const invoke = mode === "ace" || ACE.test(text);
+		// A blocked teammate's typed "@ace" is just text.
+		const invoke = !blocked && (mode === "ace" || ACE.test(text));
 		const body = text.trim();
 		if (!body && !attached.length) return;
-		if (invoke && blocked) {
-			return void toast.error("Could not invoke agent", {
-				description: "The owner has turned off teammate agent invocation.",
-			});
-		}
 		// The channel would refuse it for want of a key; setup keeps the draft for sending after.
 		if (mode === "ace" && models?.length === 0 && !modelError && onProviders) {
 			return onProviders();
@@ -301,8 +273,7 @@ export function Composer(
 				modes={blocked ? BLOCKED_MODES : MODES}
 				mode={mode}
 				onModeChange={changeMode}
-				onTextChange={onText}
-				mentions={MENTIONS}
+				mentions={blocked ? NO_MENTIONS : MENTIONS}
 				models={choices}
 				model={model}
 				onModelChange={(value) => changePick({ model: value })}
@@ -314,25 +285,23 @@ export function Composer(
 				busy={busy}
 				submitBusy={pending}
 				submitLabel={waiting}
-				canStop={busy}
-				onStop={() => void host.channel(channel.id, { op: "stop", chat: id })}
-				canSend={ready && status === "open" && !pending && !refused}
+				canStop={busy && !blocked}
+				onStop={() => void host.channel(channel.id, { op: "stop", chat: id, author: user })}
+				canSend={ready && status === "open" && !pending}
 				clearOnSend={false}
 				onSend={({ doc, mode, attachments }) => void send(serialize(doc), mode, attachments)}
 			/>
-			{refused
-				? <Refusal mode={mode} onChat={toChat} />
-				: mode === "ace" && !offline && models?.length === 0 && (
-					<Notice
-						action={onProviders && (
-							<Button size="sm" variant="outline" onClick={onProviders}>
-								{modelError ? "Provider settings" : "Set up a provider"}
-							</Button>
-						)}
-					>
-						{modelError || "Add a provider to use Ace. You can still send messages in Chat mode."}
-					</Notice>
-				)}
+			{mode === "ace" && !offline && models?.length === 0 && (
+				<Notice
+					action={onProviders && (
+						<Button size="sm" variant="outline" onClick={onProviders}>
+							{modelError ? "Provider settings" : "Set up a provider"}
+						</Button>
+					)}
+				>
+					{modelError || "Add a provider to use Ace. You can still send messages in Chat mode."}
+				</Notice>
+			)}
 		</>
 	);
 }