fix: scope session assist to session directory

packages/ui/src/components/chat/ChatContainer.tsx

@@ -267,7 +267,7 @@ const ChatViewport = React.memo(({
                             </div>
                         )}
 
-                        <SessionRecapNote sessionId={currentSessionId} isMobile={isMobile} />
+                        <SessionRecapNote sessionId={currentSessionId} directory={directory} isMobile={isMobile} />
 
                         <div className="mb-3">
                             <StatusRowContainer />

packages/ui/src/components/chat/ChatInput.tsx

@@ -4758,6 +4758,7 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
                     <div className="flex flex-col">
                     <SessionSuggestionChip
                         sessionId={currentSessionId}
+                        directory={currentSessionDirectoryForSync ?? currentDirectory}
                         hidden={hasContent || newSessionDraftOpen}
                         onApply={applyAssistSuggestion}
                         className="mb-1.5"
@@ -4841,6 +4842,7 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
                 <>
                 <SessionSuggestionChip
                     sessionId={currentSessionId}
+                    directory={currentSessionDirectoryForSync ?? currentDirectory}
                     hidden={hasContent || newSessionDraftOpen}
                     onApply={applyAssistSuggestion}
                     className="mb-1.5"

packages/ui/src/components/chat/SessionRecapSpacer.tsx

@@ -4,14 +4,15 @@ import { useI18n } from '@/lib/i18n';
 
 interface SessionRecapNoteProps {
   sessionId: string;
+  directory?: string;
   isMobile: boolean;
 }
 
 // Quiet one-paragraph recap of the agent's last reply, rendered right under
 // the last message (above the reserved bottom gap). Appears only after the
 // 5-minute quiet window, so the layout shift happens off-screen in practice.
-export const SessionRecapNote: React.FC<SessionRecapNoteProps> = React.memo(({ sessionId, isMobile }) => {
-  const { visibleRecap } = useSessionAssistState(sessionId);
+export const SessionRecapNote: React.FC<SessionRecapNoteProps> = React.memo(({ sessionId, directory, isMobile }) => {
+  const { visibleRecap } = useSessionAssistState(sessionId, directory);
   const { t } = useI18n();
 
   if (!visibleRecap) {

packages/ui/src/components/chat/SessionSuggestionChip.tsx

@@ -8,6 +8,7 @@ import { useI18n } from '@/lib/i18n';
 
 interface SessionSuggestionChipProps {
   sessionId: string | null;
+  directory?: string;
   /** The composer already has content — the suggestion must stay out of the way. */
   hidden: boolean;
   onApply: (text: string) => void;
@@ -20,8 +21,8 @@ const isRecord = (value: unknown): value is Record<string, unknown> =>
 // One small-model-suggested follow-up message, styled like the draft starter
 // chips. Tapping it fills the composer (no auto-send); the X patches the
 // suggestion out of the session metadata so it stays dismissed everywhere.
-export const SessionSuggestionChip: React.FC<SessionSuggestionChipProps> = React.memo(({ sessionId, hidden, onApply, className }) => {
-  const { suggestion } = useSessionAssistState(sessionId ?? '');
+export const SessionSuggestionChip: React.FC<SessionSuggestionChipProps> = React.memo(({ sessionId, directory, hidden, onApply, className }) => {
+  const { suggestion } = useSessionAssistState(sessionId ?? '', directory);
   const { t } = useI18n();
   const { currentTheme } = useThemeSystem();
   const [dismissing, setDismissing] = React.useState(false);

packages/ui/src/hooks/useSessionAssist.ts

@@ -13,8 +13,8 @@ interface LastMessageSnapshot {
 }
 
 /** Narrow subscription to the last message of a session (id/role/time only). */
-function useLastMessageSnapshot(sessionId: string): LastMessageSnapshot | null {
-  const store = useDirectoryStore();
+function useLastMessageSnapshot(sessionId: string, directory?: string): LastMessageSnapshot | null {
+  const store = useDirectoryStore(directory);
   const cacheRef = React.useRef<LastMessageSnapshot | null>(null);
 
   const getSnapshot = React.useCallback((): LastMessageSnapshot | null => {
@@ -56,10 +56,10 @@ export interface SessionAssistState {
   suggestion: string | null;
 }
 
-export function useSessionAssistState(sessionId: string): SessionAssistState {
-  const session = useSession(sessionId);
-  const status = useSessionStatus(sessionId);
-  const lastMessage = useLastMessageSnapshot(sessionId);
+export function useSessionAssistState(sessionId: string, directory?: string): SessionAssistState {
+  const session = useSession(sessionId, directory);
+  const status = useSessionStatus(sessionId, directory);
+  const lastMessage = useLastMessageSnapshot(sessionId, directory);
 
   const isIdle = !status || status.type === 'idle';
   const payload = getSessionAssist(session);