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fix(layout): rendre resélectionnable un agent live non réellement affiché (#56)

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Le sélecteur d'agent de LayoutGrid désactivait un agent en se fondant sur le
seul liveAgents.nodeId : un agent live dont l'ancienne cellule affiche désormais
un autre agent restait grisé (« visible ailleurs ») alors qu'il n'était plus
affiché nulle part, donc impossible à resélectionner.

La dérivation « visible ailleurs » s'appuie maintenant sur le layout courant
(feuille visible ≠ cellule courante ET leaf.agent === candidate). Un agent live
dont l'ancienne cellule montre un autre agent redevient sélectionnable dans une
autre cellule ; la session n'est jamais tuée (attachLiveAgent conservé). Le prop
mort visibleNodeIds est retiré du threading.

Tests : frontend/src/features/layout/singletonAgent.test.tsx. Suite frontend
verte 706/706.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Blomios
2026-07-14 18:56:34 +02:00
parent fd5c8932ca
commit 4099b0d1c4
2 changed files with 154 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
frontend/src/features/layout/LayoutGrid.tsx
View File

@ -98,8 +98,6 @@ export function LayoutGrid({ projectId, cwd, layoutId, onOpenConversation }: Lay
</div>
);
}
const visibleNodeIds = new Set(leaves(vm.layout).map((l) => l.id));
return (
<div
data-testid="layout-grid"
@ -116,7 +114,6 @@ export function LayoutGrid({ projectId, cwd, layoutId, onOpenConversation }: Lay
vm={vm}
parentSplit={null}
projectId={projectId}
visibleNodeIds={visibleNodeIds}
workState={work.state}
refreshWorkState={work.refresh}
onOpenConversation={onOpenConversation}
@ -132,7 +129,6 @@ interface NodeViewProps {
/** The enclosing split + this node's index in it, for the merge action. */
parentSplit: { container: string; index: number; siblings: number } | null;
projectId: string;
visibleNodeIds: Set<string>;
workState: ProjectWorkState | null;
refreshWorkState: () => Promise<void>;
onOpenConversation?: (conversationId: string) => void;
@ -144,7 +140,6 @@ function NodeView({
vm,
parentSplit,
projectId,
visibleNodeIds,
workState,
refreshWorkState,
onOpenConversation,
@ -162,7 +157,6 @@ function NodeView({
vm={vm}
parentSplit={parentSplit}
projectId={projectId}
visibleNodeIds={visibleNodeIds}
workState={workState}
refreshWorkState={refreshWorkState}
onOpenConversation={onOpenConversation}
@ -175,7 +169,6 @@ function NodeView({
cwd={cwd}
vm={vm}
projectId={projectId}
visibleNodeIds={visibleNodeIds}
workState={workState}
refreshWorkState={refreshWorkState}
onOpenConversation={onOpenConversation}
@ -188,7 +181,6 @@ function NodeView({
cwd={cwd}
vm={vm}
projectId={projectId}
visibleNodeIds={visibleNodeIds}
workState={workState}
refreshWorkState={refreshWorkState}
onOpenConversation={onOpenConversation}
@ -207,7 +199,6 @@ interface LeafViewProps {
vm: LayoutViewModel;
parentSplit: { container: string; index: number; siblings: number } | null;
projectId: string;
visibleNodeIds: Set<string>;
workState: ProjectWorkState | null;
refreshWorkState: () => Promise<void>;
onOpenConversation?: (conversationId: string) => void;
@ -289,7 +280,6 @@ function LeafView({
vm,
parentSplit,
projectId,
visibleNodeIds,
workState,
refreshWorkState,
onOpenConversation,
@ -448,20 +438,37 @@ function LeafView({
};
};
/** True when the live session is already displayed by another visible cell. */
const visibleElsewhere = (candidate: string): LiveAgent | undefined => {
const live = liveFor(candidate);
return live && live.nodeId !== id && visibleNodeIds.has(live.nodeId)
? live
: undefined;
/**
* The cell that still displays `candidate` in the CURRENT layout, if any: a
* visible leaf other than this one whose pinned agent IS `candidate`.
*
* Ticket #56 — derived from the layout, NOT from `liveAgents[].nodeId`. The
* live registry keeps pointing at an agent's LAST host cell even after that
* cell swapped to another agent (or none): reading `live.nodeId` as "displayed
* here" wrongly disabled the agent everywhere else, although it is no longer
* shown anywhere. An agent truly shown in a visible cell stays non-selectable
* elsewhere (singleton display invariant); a stale live association does not.
*/
const visibleElsewhere = (candidate: string): { nodeId: string } | undefined => {
if (!vm.layout) return undefined;
const host = leaves(vm.layout).find(
(leaf) => leaf.id !== id && (leaf.agent ?? null) === candidate,
);
return host ? { nodeId: host.id } : undefined;
};
/** A live session whose previous host cell no longer exists in the layout. */
/**
* A live PTY session for `candidate` that this cell can re-attach without
* re-spawning: it exists, is not recorded on THIS cell (`nodeId === id`, so a
* fresh self-launch never triggers a re-attach loop), and is not currently
* displayed by another visible cell ({@link visibleElsewhere} — the singleton
* double-display case). A session whose former host cell now shows a different
* agent (or none) is a background session → selectable here (ticket #56).
*/
const backgroundLive = (candidate: string): LiveAgent | undefined => {
const live = liveFor(candidate);
return live && live.kind === "pty" && live.nodeId !== id && !visibleNodeIds.has(live.nodeId)
? live
: undefined;
if (!live || live.kind !== "pty" || live.nodeId === id) return undefined;
return visibleElsewhere(candidate) ? undefined : live;
};
// A transient notice shown when an action is blocked by the singleton
@ -665,21 +672,20 @@ function LeafView({
? await agentGateway.listLiveAgents(projectId).catch(() => liveAgents)
: liveAgents;
setLiveAgents(current);
const live = current.find((la) => la.agentId === val);
const isVisible =
live && live.nodeId !== id && visibleNodeIds.has(live.nodeId);
if (isVisible) {
// Visibility is derived from the CURRENT layout, not the live
// registry's stale last-known nodeId (ticket #56): the agent is
// "visible ailleurs" only while a visible cell still pins it.
const elsewhere = visibleElsewhere(val);
if (elsewhere) {
setBusyNotice({
message: "Cet agent est déjà actif dans une autre cellule.",
goToNodeId: live!.nodeId,
goToNodeId: elsewhere.nodeId,
});
return;
}
const live = current.find((la) => la.agentId === val);
const isBackground =
live &&
live.kind === "pty" &&
live.nodeId !== id &&
!visibleNodeIds.has(live.nodeId);
live && live.kind === "pty" && live.nodeId !== id;
if (isBackground) {
if (!agentGateway?.attachLiveAgent || !live.sessionId) {
setBusyNotice({
@ -1143,7 +1149,6 @@ interface SplitViewProps {
cwd: string;
vm: LayoutViewModel;
projectId: string;
visibleNodeIds: Set<string>;
workState: ProjectWorkState | null;
refreshWorkState: () => Promise<void>;
onOpenConversation?: (conversationId: string) => void;
@ -1154,7 +1159,6 @@ function SplitView({
cwd,
vm,
projectId,
visibleNodeIds,
workState,
refreshWorkState,
onOpenConversation,
@ -1199,7 +1203,6 @@ function SplitView({
cwd={cwd}
vm={vm}
projectId={projectId}
visibleNodeIds={visibleNodeIds}
workState={workState}
refreshWorkState={refreshWorkState}
onOpenConversation={onOpenConversation}
@ -1294,7 +1297,6 @@ interface GridViewProps {
cwd: string;
vm: LayoutViewModel;
projectId: string;
visibleNodeIds: Set<string>;
workState: ProjectWorkState | null;
refreshWorkState: () => Promise<void>;
onOpenConversation?: (conversationId: string) => void;
@ -1305,7 +1307,6 @@ function GridView({
cwd,
vm,
projectId,
visibleNodeIds,
workState,
refreshWorkState,
onOpenConversation,
@ -1346,7 +1347,6 @@ function GridView({
vm={vm}
parentSplit={null}
projectId={projectId}
visibleNodeIds={visibleNodeIds}
workState={workState}
refreshWorkState={refreshWorkState}
onOpenConversation={onOpenConversation}