Move Apply & Restart into Settings footer with confirm

Replace the top-right pending CTA with a primary footer action that
replaces Reload OpenCode when changes are pending, and warn that running
chats will stop unless the user opts out of the confirmation.

Co-authored-by: Serhii Dziupin <makeittech@users.noreply.github.com>

packages/ui/src/stores/useUIStore.ts

@@ -621,6 +621,8 @@ interface UIStore {
   chatRenderMode: ChatRenderMode;
   activityRenderMode: ActivityRenderMode;
   showDeletionDialog: boolean;
+  /** When true, confirm before applying deferred OpenCode restart from Settings. */
+  showOpenCodeRestartConfirm: boolean;
   autoDeleteEnabled: boolean;
   /** Global file-editor autosave. Default true for backward compatibility. */
   autoSaveEnabled: boolean;
@@ -785,6 +787,7 @@ interface UIStore {
   setChatRenderMode: (value: ChatRenderMode) => void;
   setActivityRenderMode: (value: ActivityRenderMode) => void;
   setShowDeletionDialog: (value: boolean) => void;
+  setShowOpenCodeRestartConfirm: (value: boolean) => void;
   setAutoDeleteEnabled: (value: boolean) => void;
   setAutoSaveEnabled: (value: boolean) => void;
   setAutoDeleteAfterDays: (days: number) => void;
@@ -941,6 +944,7 @@ export const useUIStore = create<UIStore>()(
         chatRenderMode: 'live',
         activityRenderMode: 'summary',
         showDeletionDialog: true,
+        showOpenCodeRestartConfirm: true,
         autoDeleteEnabled: false,
         autoSaveEnabled: true,
         autoDeleteAfterDays: 30,
@@ -1678,6 +1682,10 @@ export const useUIStore = create<UIStore>()(
           set({ showDeletionDialog: value });
         },
 
+        setShowOpenCodeRestartConfirm: (value) => {
+          set({ showOpenCodeRestartConfirm: value });
+        },
+
         setAutoDeleteEnabled: (value) => {
           set({ autoDeleteEnabled: value });
         },
@@ -2417,6 +2425,7 @@ export const useUIStore = create<UIStore>()(
           chatRenderMode: state.chatRenderMode,
           activityRenderMode: state.activityRenderMode,
           showDeletionDialog: state.showDeletionDialog,
+          showOpenCodeRestartConfirm: state.showOpenCodeRestartConfirm,
           autoDeleteEnabled: state.autoDeleteEnabled,
           autoSaveEnabled: state.autoSaveEnabled,
           autoDeleteAfterDays: state.autoDeleteAfterDays,