diff --git a/src/renderer/components/team/useTeamChangesSummaries.ts b/src/renderer/components/team/useTeamChangesSummaries.ts
index 01a4a500..8d46a311 100644
--- a/src/renderer/components/team/useTeamChangesSummaries.ts
+++ b/src/renderer/components/team/useTeamChangesSummaries.ts
@@ -13,6 +13,7 @@ import {
   TEAM_CHANGES_MAX_REQUESTS,
 } from './teamChangesRequestPlan';
 
+import type { TaskChangeRequestOptions } from '@renderer/utils/taskChangeRequest';
 import type {
   TaskChangePresenceState,
   TaskChangeSetV2,
@@ -64,6 +65,20 @@ interface UseTeamChangesSummariesInput {
   sectionOpen: boolean;
 }
 
+type RecordTaskChangePresences = (
+  entries: {
+    teamName: string;
+    taskId: string;
+    options: TaskChangeRequestOptions;
+    presence: TaskChangePresenceState | null;
+  }[]
+) => void;
+
+type SetSelectedTeamTaskChangePresences = (
+  teamName: string,
+  presencesByTaskId: Record<string, TaskChangePresenceState>
+) => void;
+
 interface UseTeamChangesSummariesResult {
   summariesByTaskId: Record<string, TeamChangeSummaryState>;
   badgeCount: number | null;
@@ -262,7 +277,20 @@ export function useTeamChangesSummaries({
   sectionOpen,
 }: UseTeamChangesSummariesInput): UseTeamChangesSummariesResult {
   const recordTaskChangePresence = useStore((s) => s.recordTaskChangePresence);
+  const recordTaskChangePresences = useStore(
+    (s) =>
+      (s as unknown as { recordTaskChangePresences?: RecordTaskChangePresences })
+        .recordTaskChangePresences
+  );
   const setSelectedTeamTaskChangePresence = useStore((s) => s.setSelectedTeamTaskChangePresence);
+  const setSelectedTeamTaskChangePresences = useStore(
+    (s) =>
+      (
+        s as unknown as {
+          setSelectedTeamTaskChangePresences?: SetSelectedTeamTaskChangePresences;
+        }
+      ).setSelectedTeamTaskChangePresences
+  );
   const [summariesByTaskId, setSummariesByTaskId] = useState<
     Record<string, TeamChangeSummaryState>
   >({});
@@ -469,6 +497,14 @@ export function useTeamChangesSummaries({
         });
         setCounterLoaded(true);
 
+        const cachePresenceUpdates: {
+          teamName: string;
+          taskId: string;
+          options: TaskChangeRequestOptions;
+          presence: TaskChangePresenceState | null;
+        }[] = [];
+        const selectedPresenceUpdates: Record<string, TaskChangePresenceState> = {};
+
         for (const item of responseItems) {
           const changeSet = item.changeSet;
           const options = plan.requestOptionsByTaskId.get(item.taskId);
@@ -482,12 +518,41 @@ export function useTeamChangesSummaries({
               task.changePresence !== 'unknown' &&
               shouldClearSelectedTaskChangePresence(task, changeSet)
             ) {
-              setSelectedTeamTaskChangePresence(teamName, item.taskId, 'unknown');
+              selectedPresenceUpdates[item.taskId] = 'unknown';
             }
             continue;
           }
-          recordTaskChangePresence(teamName, item.taskId, options, nextPresence);
-          setSelectedTeamTaskChangePresence(teamName, item.taskId, nextPresence);
+          cachePresenceUpdates.push({
+            teamName,
+            taskId: item.taskId,
+            options,
+            presence: nextPresence,
+          });
+          selectedPresenceUpdates[item.taskId] = nextPresence;
+        }
+
+        if (cachePresenceUpdates.length > 0) {
+          if (recordTaskChangePresences) {
+            recordTaskChangePresences(cachePresenceUpdates);
+          } else {
+            for (const update of cachePresenceUpdates) {
+              recordTaskChangePresence(
+                update.teamName,
+                update.taskId,
+                update.options,
+                update.presence
+              );
+            }
+          }
+        }
+        if (Object.keys(selectedPresenceUpdates).length > 0) {
+          if (setSelectedTeamTaskChangePresences) {
+            setSelectedTeamTaskChangePresences(teamName, selectedPresenceUpdates);
+          } else {
+            for (const [taskId, presence] of Object.entries(selectedPresenceUpdates)) {
+              setSelectedTeamTaskChangePresence(teamName, taskId, presence);
+            }
+          }
         }
 
         if (storeSummaries) {
@@ -573,7 +638,14 @@ export function useTeamChangesSummaries({
         }
       }
     },
-    [recordTaskChangePresence, setSelectedTeamTaskChangePresence, tasks, teamName]
+    [
+      recordTaskChangePresence,
+      recordTaskChangePresences,
+      setSelectedTeamTaskChangePresence,
+      setSelectedTeamTaskChangePresences,
+      tasks,
+      teamName,
+    ]
   );
 
   useEffect(() => {
diff --git a/src/renderer/store/slices/changeReviewSlice.ts b/src/renderer/store/slices/changeReviewSlice.ts
index 48707f6c..2c9fde50 100644
--- a/src/renderer/store/slices/changeReviewSlice.ts
+++ b/src/renderer/store/slices/changeReviewSlice.ts
@@ -53,7 +53,6 @@ import type {
   FileChangeWithContent,
   FileReviewDecision,
   HunkDecision,
-  SnippetDiff,
   TaskChangePresenceState,
   TaskChangeSet,
   TaskChangeSetV2,
@@ -148,6 +147,38 @@ function applyTaskChangePresenceCacheUpdate(
   return nextTaskChangePresenceByKey;
 }
 
+interface TaskChangePresenceCacheUpdate {
+  cacheKey: string;
+  presence: TaskChangePresenceState | null;
+}
+
+function applyTaskChangePresenceCacheUpdates(
+  taskChangePresenceByKey: Record<string, Exclude<TaskChangePresenceState, 'unknown'>>,
+  updates: readonly TaskChangePresenceCacheUpdate[]
+): Record<string, Exclude<TaskChangePresenceState, 'unknown'>> {
+  let nextTaskChangePresenceByKey = taskChangePresenceByKey;
+  for (const { cacheKey, presence } of updates) {
+    if (presence && presence !== 'unknown') {
+      if (nextTaskChangePresenceByKey[cacheKey] === presence) {
+        continue;
+      }
+      if (nextTaskChangePresenceByKey === taskChangePresenceByKey) {
+        nextTaskChangePresenceByKey = { ...taskChangePresenceByKey };
+      }
+      nextTaskChangePresenceByKey[cacheKey] = presence;
+      continue;
+    }
+    if (!(cacheKey in nextTaskChangePresenceByKey)) {
+      continue;
+    }
+    if (nextTaskChangePresenceByKey === taskChangePresenceByKey) {
+      nextTaskChangePresenceByKey = { ...taskChangePresenceByKey };
+    }
+    delete nextTaskChangePresenceByKey[cacheKey];
+  }
+  return nextTaskChangePresenceByKey;
+}
+
 function syncTaskChangeNegativeCache(
   cacheKey: string,
   presence: TaskChangePresenceState | null
@@ -207,6 +238,14 @@ export interface ChangeReviewSlice {
     options: TaskChangeRequestOptions,
     presence: TaskChangePresenceState | null
   ) => void;
+  recordTaskChangePresences: (
+    entries: {
+      teamName: string;
+      taskId: string;
+      options: TaskChangeRequestOptions;
+      presence: TaskChangePresenceState | null;
+    }[]
+  ) => void;
   selectReviewFile: (filePath: string | null) => void;
   clearChangeReview: () => void;
   clearChangeReviewCache: () => void;
@@ -570,17 +609,30 @@ export const createChangeReviewSlice: StateCreator<AppState, [], [], ChangeRevie
       options: TaskChangeRequestOptions,
       presence: TaskChangePresenceState | null
     ) => {
-      const cacheKey = buildTaskChangePresenceKey(teamName, taskId, options);
+      get().recordTaskChangePresences([{ teamName, taskId, options, presence }]);
+    },
+
+    recordTaskChangePresences: (entries) => {
+      if (entries.length === 0) {
+        return;
+      }
+      const updates = entries.map(({ teamName, taskId, options, presence }) => ({
+        cacheKey: buildTaskChangePresenceKey(teamName, taskId, options),
+        presence,
+      }));
       set((s) => {
-        return {
-          taskChangePresenceByKey: applyTaskChangePresenceCacheUpdate(
-            s.taskChangePresenceByKey,
-            cacheKey,
-            presence
-          ),
-        };
+        const nextTaskChangePresenceByKey = applyTaskChangePresenceCacheUpdates(
+          s.taskChangePresenceByKey,
+          updates
+        );
+        if (nextTaskChangePresenceByKey === s.taskChangePresenceByKey) {
+          return {};
+        }
+        return { taskChangePresenceByKey: nextTaskChangePresenceByKey };
       });
-      syncTaskChangeNegativeCache(cacheKey, presence);
+      for (const update of updates) {
+        syncTaskChangeNegativeCache(update.cacheKey, update.presence);
+      }
     },
 
     fetchTaskChanges: async (
diff --git a/src/renderer/store/slices/teamSlice.ts b/src/renderer/store/slices/teamSlice.ts
index 602629c4..ebbd95a2 100644
--- a/src/renderer/store/slices/teamSlice.ts
+++ b/src/renderer/store/slices/teamSlice.ts
@@ -1002,6 +1002,10 @@ export interface TeamSlice {
     taskId: string,
     presence: TaskChangePresenceState
   ) => void;
+  setSelectedTeamTaskChangePresences: (
+    teamName: string,
+    presencesByTaskId: Record<string, TaskChangePresenceState>
+  ) => void;
   refreshTeamChangePresence: (teamName: string) => Promise<void>;
   selectTeam: (
     teamName: string,
@@ -2065,14 +2069,24 @@ export const createTeamSlice: StateCreator<AppState, [], [], TeamSlice> = (set,
   },
 
   setSelectedTeamTaskChangePresence: (teamName, taskId, presence) => {
+    get().setSelectedTeamTaskChangePresences(teamName, { [taskId]: presence });
+  },
+
+  setSelectedTeamTaskChangePresences: (teamName, presencesByTaskId) => {
     set((state) => {
+      const updates = Object.entries(presencesByTaskId);
+      if (updates.length === 0) {
+        return {};
+      }
+      const presenceByTaskId = new Map(updates);
       const currentTeamData = selectTeamDataForName(state, teamName);
       let cacheChanged = false;
       const nextTeamData = currentTeamData
         ? {
             ...currentTeamData,
             tasks: currentTeamData.tasks.map((task) => {
-              if (task.id !== taskId || task.changePresence === presence) {
+              const presence = presenceByTaskId.get(task.id);
+              if (!presence || task.changePresence === presence) {
                 return task;
               }
               cacheChanged = true;
@@ -2083,7 +2097,11 @@ export const createTeamSlice: StateCreator<AppState, [], [], TeamSlice> = (set,
 
       let globalChanged = false;
       const nextGlobalTasks = state.globalTasks.map((task) => {
-        if (task.teamName !== teamName || task.id !== taskId || task.changePresence === presence) {
+        if (task.teamName !== teamName) {
+          return task;
+        }
+        const presence = presenceByTaskId.get(task.id);
+        if (!presence || task.changePresence === presence) {
           return task;
         }
         globalChanged = true;
diff --git a/src/renderer/store/team/teamResolvedMembers.ts b/src/renderer/store/team/teamResolvedMembers.ts
index 1f5b093f..266a039d 100644
--- a/src/renderer/store/team/teamResolvedMembers.ts
+++ b/src/renderer/store/team/teamResolvedMembers.ts
@@ -45,10 +45,12 @@ const resolvedMemberSelectorCache = new Map<
     result: ResolvedTeamMember | null;
   }
 >();
+let activeRawTeammateNameKeysCache = new WeakMap<TeamViewSnapshot['members'], string[]>();
 
 export function clearResolvedMemberSelectorCaches(): void {
   resolvedMembersSelectorCache.clear();
   resolvedMemberSelectorCache.clear();
+  activeRawTeammateNameKeysCache = new WeakMap<TeamViewSnapshot['members'], string[]>();
 }
 
 export function clearResolvedMemberSelectorCachesForTeam(teamName: string): void {
@@ -166,6 +168,10 @@ function getActiveRawTeammateNameKeys(snapshot: TeamViewSnapshot | null | undefi
   if (!snapshot) {
     return [];
   }
+  const cached = activeRawTeammateNameKeysCache.get(snapshot.members);
+  if (cached) {
+    return cached;
+  }
   const names = new Set<string>();
   for (const member of snapshot.members) {
     const name = member.name.trim();
@@ -175,7 +181,9 @@ function getActiveRawTeammateNameKeys(snapshot: TeamViewSnapshot | null | undefi
     }
     names.add(key);
   }
-  return Array.from(names).sort((left, right) => left.localeCompare(right));
+  const result = Array.from(names).sort((left, right) => left.localeCompare(right));
+  activeRawTeammateNameKeysCache.set(snapshot.members, result);
+  return result;
 }
 
 function hasActiveRawTeammateRoster(snapshot: TeamViewSnapshot | null | undefined): boolean {
diff --git a/test/renderer/store/changeReviewSlice.test.ts b/test/renderer/store/changeReviewSlice.test.ts
index 7b9597d0..135d80d2 100644
--- a/test/renderer/store/changeReviewSlice.test.ts
+++ b/test/renderer/store/changeReviewSlice.test.ts
@@ -213,6 +213,29 @@ describe('changeReviewSlice task changes', () => {
     ).toBe('no_changes');
   });
 
+  it('records task change presence entries in one batch', () => {
+    const store = createSliceStore();
+    const keyA = buildTaskChangePresenceKey('team-a', 'task-a', OPTIONS_A);
+    const keyB = buildTaskChangePresenceKey('team-a', 'task-b', OPTIONS_B);
+
+    store.getState().recordTaskChangePresences([
+      { teamName: 'team-a', taskId: 'task-a', options: OPTIONS_A, presence: 'has_changes' },
+      { teamName: 'team-a', taskId: 'task-b', options: OPTIONS_B, presence: 'no_changes' },
+    ]);
+
+    expect(store.getState().taskChangePresenceByKey[keyA]).toBe('has_changes');
+    expect(store.getState().taskChangePresenceByKey[keyB]).toBe('no_changes');
+
+    store
+      .getState()
+      .recordTaskChangePresences([
+        { teamName: 'team-a', taskId: 'task-a', options: OPTIONS_A, presence: 'unknown' },
+      ]);
+
+    expect(store.getState().taskChangePresenceByKey[keyA]).toBeUndefined();
+    expect(store.getState().taskChangePresenceByKey[keyB]).toBe('no_changes');
+  });
+
   it('updates selected team task changePresence after a positive summary check', async () => {
     const store = createSliceStore();
     hoisted.getTaskChanges.mockResolvedValue(makeTaskChangeSet('presence-hit'));
diff --git a/test/renderer/store/teamSlice.test.ts b/test/renderer/store/teamSlice.test.ts
index ffd422fe..d91bcb3f 100644
--- a/test/renderer/store/teamSlice.test.ts
+++ b/test/renderer/store/teamSlice.test.ts
@@ -382,6 +382,48 @@ describe('teamSlice actions', () => {
     expect(window.localStorage.getItem('team:messagesPanelMode')).toBe('inline');
   });
 
+  it('updates selected team task change presence in one batch', () => {
+    const store = createSliceStore();
+    const existingData = createTeamSnapshot({
+      teamName: 'my-team',
+      tasks: [
+        { id: 'task-1', subject: 'One', changePresence: 'unknown' },
+        { id: 'task-2', subject: 'Two', changePresence: 'unknown' },
+      ],
+    });
+    store.setState({
+      selectedTeamName: 'my-team',
+      selectedTeamData: existingData,
+      teamDataCacheByName: { 'my-team': existingData },
+      globalTasks: [
+        { teamName: 'my-team', id: 'task-1', changePresence: 'unknown' },
+        { teamName: 'my-team', id: 'task-2', changePresence: 'unknown' },
+        { teamName: 'other-team', id: 'task-1', changePresence: 'unknown' },
+      ],
+    });
+
+    store.getState().setSelectedTeamTaskChangePresences('my-team', {
+      'task-1': 'no_changes',
+      'task-2': 'has_changes',
+    });
+
+    expect(
+      store
+        .getState()
+        .selectedTeamData.tasks.map((task: { changePresence?: string }) => task.changePresence)
+    ).toEqual(['no_changes', 'has_changes']);
+    expect(
+      store
+        .getState()
+        .teamDataCacheByName[
+          'my-team'
+        ].tasks.map((task: { changePresence?: string }) => task.changePresence)
+    ).toEqual(['no_changes', 'has_changes']);
+    expect(
+      store.getState().globalTasks.map((task: { changePresence?: string }) => task.changePresence)
+    ).toEqual(['no_changes', 'has_changes', 'unknown']);
+  });
+
   it('records terminal provisioning fanout diagnostics without changing visible graph hydrate behavior', () => {
     const store = createSliceStore();
     const fetchTeams = vi.fn(async () => undefined);