refactor: remove aborted status banner from chat UI

Removes the transient aborted banner from the composer status area
Simplifies status row rendering to focus on working state and pending changes
Cleans up unused abort-status localization strings

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

@@ -2,7 +2,6 @@ import React from 'react';
 
 import { useAssistantStatus } from '@/hooks/useAssistantStatus';
 import { useConfigStore } from '@/stores/useConfigStore';
-import { useSessionUIStore } from '@/sync/session-ui-store';
 import { getProviderModelDisplayName } from '@/lib/modelDisplay';
 import { StatusRow } from './StatusRow';
 
@@ -12,15 +11,6 @@ import { StatusRow } from './StatusRow';
  * labels while still limiting subscriptions to the active assistant message.
  */
 export const StatusRowContainer: React.FC = React.memo(() => {
-    const currentSessionId = useSessionUIStore((state) => state.currentSessionId);
-    const abortRecord = useSessionUIStore(
-        React.useCallback((state) => {
-            if (!currentSessionId) {
-                return null;
-            }
-            return state.sessionAbortFlags?.get(currentSessionId) ?? null;
-        }, [currentSessionId]),
-    );
     const { activeModel, working } = useAssistantStatus();
     const currentAgentName = useConfigStore((state) => state.currentAgentName);
     const providers = useConfigStore((state) => state.providers);
@@ -35,16 +25,13 @@ export const StatusRowContainer: React.FC = React.memo(() => {
         return getProviderModelDisplayName(provider, activeModel.modelId) || null;
     }, [activeModel, providers]);
 
-    const wasAborted = Boolean(abortRecord && !abortRecord.acknowledged);
-
     return (
         <StatusRow
             isWorking={working.isWorking}
             statusText={working.statusText}
             isGenericStatus={working.isGenericStatus}
             isWaitingForPermission={working.isWaitingForPermission}
-            wasAborted={wasAborted || working.wasAborted}
-            abortActive={wasAborted || working.abortActive}
+            abortActive={working.abortActive}
             retryInfo={working.retryInfo}
             agentName={currentAgentName}
             modelName={modelDisplayName}