diff --git a/src/components/AIChat/memory/AIMemoryManagerModal.vue b/src/components/AIChat/memory/AIMemoryManagerModal.vue
new file mode 100644
index 00000000..589515d3
--- /dev/null
+++ b/src/components/AIChat/memory/AIMemoryManagerModal.vue
@@ -0,0 +1,321 @@
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import { storeToRefs } from 'pinia'
+import { useI18n } from 'vue-i18n'
+import type { AIMemoryEntry } from '@/services/ai/types'
+import { useAIService, useDataService } from '@/services'
+import { useToast } from '@/composables/useToast'
+import { usePromptStore } from '@/stores/prompt'
+import { useSessionStore } from '@/stores/session'
+
+type MemoryView = 'preferences' | 'entities'
+
+const props = defineProps<{ open: boolean }>()
+const emit = defineEmits<{ 'update:open': [value: boolean] }>()
+
+const { t, locale } = useI18n()
+const toast = useToast()
+const aiService = useAIService()
+const dataService = useDataService()
+const promptStore = usePromptStore()
+const sessionStore = useSessionStore()
+const { aiGlobalSettings } = storeToRefs(promptStore)
+
+const activeView = ref<MemoryView>('preferences')
+const entries = ref<AIMemoryEntry[]>([])
+const contactNames = ref(new Map<string, string>())
+const loading = ref(false)
+const savingId = ref<string | null>(null)
+const editingId = ref<string | null>(null)
+const editingContent = ref('')
+
+const viewItems = computed(() => [
+  { label: t('ai.global.memory.preferences'), value: 'preferences' },
+  { label: t('ai.global.memory.entities'), value: 'entities' },
+])
+const visibleEntries = computed(() =>
+  entries.value.filter((entry) =>
+    activeView.value === 'preferences' ? entry.scopeType === 'global' : entry.scopeType !== 'global'
+  )
+)
+const proactiveMemory = computed({
+  get: () => aiGlobalSettings.value.allowProactiveMemory ?? true,
+  set: (value: boolean) => promptStore.updateAIGlobalSettings({ allowProactiveMemory: value }),
+})
+
+function close(): void {
+  emit('update:open', false)
+}
+
+function startEditing(entry: AIMemoryEntry): void {
+  editingId.value = entry.id
+  editingContent.value = entry.content
+}
+
+function stopEditing(): void {
+  editingId.value = null
+  editingContent.value = ''
+}
+
+function formatUpdatedAt(timestamp: number): string {
+  return new Intl.DateTimeFormat(locale.value, {
+    year: 'numeric',
+    month: 'short',
+    day: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+  }).format(timestamp)
+}
+
+function getEntityLabel(entry: AIMemoryEntry): string {
+  if (!entry.scopeId) return ''
+  if (entry.scopeType === 'contact') return contactNames.value.get(entry.scopeId) ?? entry.scopeId
+  return sessionStore.sessions.find((session) => session.id === entry.scopeId)?.name ?? entry.scopeId
+}
+
+async function loadContactNames(memories: AIMemoryEntry[]): Promise<void> {
+  const keys = [
+    ...new Set(memories.filter((entry) => entry.scopeType === 'contact').map((entry) => entry.scopeId)),
+  ].filter((key): key is string => Boolean(key))
+  const names = new Map<string, string>()
+  const results = await Promise.allSettled(
+    keys.map(async (key) => ({ key, detail: await dataService.getContactDetail(key, { acceptStale: true }) }))
+  )
+  for (const result of results) {
+    if (result.status === 'fulfilled' && result.value.detail.contact) {
+      names.set(result.value.key, result.value.detail.contact.displayName)
+    }
+  }
+  contactNames.value = names
+}
+
+async function loadMemories(): Promise<void> {
+  loading.value = true
+  try {
+    const memories = await aiService.getAIMemories()
+    entries.value = memories
+    await Promise.all([sessionStore.loadSessions(), loadContactNames(memories)])
+  } catch (error) {
+    toast.fail(t('ai.global.memory.toast.loadFailed'), { description: String(error) })
+  } finally {
+    loading.value = false
+  }
+}
+
+async function saveEntry(entry: AIMemoryEntry): Promise<void> {
+  if (!editingContent.value.trim()) return
+  savingId.value = entry.id
+  try {
+    const updated = await aiService.updateAIMemory(entry.id, editingContent.value)
+    entries.value = entries.value.map((item) => (item.id === updated.id ? updated : item))
+    stopEditing()
+    toast.success(t('ai.global.memory.toast.saved'))
+  } catch (error) {
+    toast.fail(t('ai.global.memory.toast.saveFailed'), { description: String(error) })
+  } finally {
+    savingId.value = null
+  }
+}
+
+async function deleteEntry(entry: AIMemoryEntry): Promise<void> {
+  if (!confirm(t('ai.global.memory.confirmDelete'))) return
+  savingId.value = entry.id
+  try {
+    await aiService.deleteAIMemory(entry.id)
+    entries.value = entries.value.filter((item) => item.id !== entry.id)
+    if (editingId.value === entry.id) stopEditing()
+    toast.success(t('ai.global.memory.toast.deleted'))
+  } catch (error) {
+    toast.fail(t('ai.global.memory.toast.deleteFailed'), { description: String(error) })
+  } finally {
+    savingId.value = null
+  }
+}
+
+async function clearCurrentView(): Promise<void> {
+  const currentEntries = visibleEntries.value
+  if (currentEntries.length === 0 || !confirm(t('ai.global.memory.confirmClearView'))) return
+  loading.value = true
+  try {
+    if (activeView.value === 'preferences') {
+      await aiService.clearAIMemories({ scopeType: 'global', scopeId: null })
+    } else {
+      await Promise.all(currentEntries.map((entry) => aiService.deleteAIMemory(entry.id)))
+    }
+    await loadMemories()
+    toast.success(t('ai.global.memory.toast.cleared'))
+  } catch (error) {
+    await loadMemories()
+    toast.fail(t('ai.global.memory.toast.clearFailed'), { description: String(error) })
+  } finally {
+    loading.value = false
+  }
+}
+
+async function clearAll(): Promise<void> {
+  if (entries.value.length === 0 || !confirm(t('ai.global.memory.confirmClearAll'))) return
+  loading.value = true
+  try {
+    await aiService.clearAIMemories({ all: true })
+    entries.value = []
+    contactNames.value = new Map()
+    stopEditing()
+    toast.success(t('ai.global.memory.toast.cleared'))
+  } catch (error) {
+    toast.fail(t('ai.global.memory.toast.clearFailed'), { description: String(error) })
+  } finally {
+    loading.value = false
+  }
+}
+
+watch(
+  () => props.open,
+  (open) => {
+    if (open) void loadMemories()
+    else stopEditing()
+  },
+  { immediate: true }
+)
+</script>
+
+<template>
+  <UModal :open="open" :ui="{ content: 'sm:max-w-2xl' }" @update:open="emit('update:open', $event)">
+    <template #content>
+      <div class="flex max-h-[78vh] min-h-[520px] flex-col overflow-hidden">
+        <header class="flex items-start justify-between border-b border-gray-200 px-5 py-4 dark:border-gray-800">
+          <div>
+            <h2 class="text-base font-semibold text-gray-900 dark:text-white">{{ t('ai.global.memory.title') }}</h2>
+            <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">{{ t('ai.global.memory.description') }}</p>
+          </div>
+          <UButton
+            icon="i-lucide-x"
+            color="neutral"
+            variant="ghost"
+            size="sm"
+            :aria-label="t('common.close')"
+            @click="close"
+          />
+        </header>
+
+        <div class="flex min-h-0 flex-1 flex-col px-5 py-4">
+          <div class="mb-4 flex items-center justify-between rounded-xl bg-gray-50 px-4 py-3 dark:bg-gray-900/60">
+            <div class="min-w-0 pr-4">
+              <p class="text-sm text-gray-900 dark:text-gray-100">{{ t('ai.global.memory.proactive.title') }}</p>
+              <p class="mt-0.5 text-xs leading-5 text-gray-500 dark:text-gray-400">
+                {{ t('ai.global.memory.proactive.description') }}
+              </p>
+            </div>
+            <USwitch v-model="proactiveMemory" />
+          </div>
+
+          <div class="mb-3 flex items-center justify-between gap-3">
+            <UTabs v-model="activeView" :items="viewItems" :content="false" size="sm" class="min-w-max" />
+            <span class="text-xs text-gray-400">
+              {{ t('ai.global.memory.count', { count: visibleEntries.length }) }}
+            </span>
+          </div>
+
+          <div class="min-h-0 flex-1 overflow-y-auto pr-1">
+            <div v-if="loading" class="flex h-full min-h-56 items-center justify-center">
+              <UIcon name="i-lucide-loader-2" class="h-5 w-5 animate-spin text-gray-400" />
+            </div>
+            <div
+              v-else-if="visibleEntries.length === 0"
+              class="flex min-h-56 flex-col items-center justify-center text-center"
+            >
+              <UIcon name="i-lucide-brain" class="mb-3 h-8 w-8 text-gray-300 dark:text-gray-600" />
+              <p class="text-sm text-gray-500 dark:text-gray-400">{{ t('ai.global.memory.empty') }}</p>
+            </div>
+            <div v-else class="space-y-2">
+              <article
+                v-for="entry in visibleEntries"
+                :key="entry.id"
+                class="rounded-xl border border-gray-200 px-4 py-3 dark:border-gray-800"
+              >
+                <div v-if="entry.scopeType !== 'global'" class="mb-2 flex items-center gap-1.5 text-xs text-gray-500">
+                  <UIcon
+                    :name="entry.scopeType === 'contact' ? 'i-lucide-user-round' : 'i-lucide-users-round'"
+                    class="h-3.5 w-3.5"
+                  />
+                  <span class="truncate">{{ getEntityLabel(entry) }}</span>
+                </div>
+
+                <div v-if="editingId === entry.id">
+                  <UTextarea v-model="editingContent" :rows="3" autoresize class="w-full" />
+                  <div class="mt-2 flex justify-end gap-2">
+                    <UButton color="neutral" variant="ghost" size="xs" @click="stopEditing">
+                      {{ t('common.cancel') }}
+                    </UButton>
+                    <UButton
+                      size="xs"
+                      :loading="savingId === entry.id"
+                      :disabled="!editingContent.trim()"
+                      @click="saveEntry(entry)"
+                    >
+                      {{ t('common.save') }}
+                    </UButton>
+                  </div>
+                </div>
+                <template v-else>
+                  <p class="whitespace-pre-wrap break-words text-sm leading-6 text-gray-800 dark:text-gray-200">
+                    {{ entry.content }}
+                  </p>
+                  <div class="mt-2 flex items-center justify-between gap-3">
+                    <div class="flex min-w-0 items-center gap-2 text-[11px] text-gray-400">
+                      <span>{{ t(`ai.global.memory.source.${entry.sourceType}`) }}</span>
+                      <span aria-hidden="true">·</span>
+                      <span class="truncate">{{ formatUpdatedAt(entry.updatedAt) }}</span>
+                    </div>
+                    <div class="flex shrink-0 items-center gap-0.5">
+                      <UButton
+                        icon="i-lucide-pencil"
+                        color="neutral"
+                        variant="ghost"
+                        size="xs"
+                        :aria-label="t('common.edit')"
+                        @click="startEditing(entry)"
+                      />
+                      <UButton
+                        icon="i-lucide-trash-2"
+                        color="error"
+                        variant="ghost"
+                        size="xs"
+                        :loading="savingId === entry.id"
+                        :aria-label="t('common.delete')"
+                        @click="deleteEntry(entry)"
+                      />
+                    </div>
+                  </div>
+                </template>
+              </article>
+            </div>
+          </div>
+        </div>
+
+        <footer class="flex items-center justify-between border-t border-gray-200 px-5 py-3 dark:border-gray-800">
+          <UButton
+            color="error"
+            variant="ghost"
+            size="sm"
+            :disabled="visibleEntries.length === 0 || loading"
+            @click="clearCurrentView"
+          >
+            {{ t('ai.global.memory.clearCurrent') }}
+          </UButton>
+          <div class="flex items-center gap-2">
+            <UButton
+              color="error"
+              variant="soft"
+              size="sm"
+              :disabled="entries.length === 0 || loading"
+              @click="clearAll"
+            >
+              {{ t('ai.global.memory.clearAll') }}
+            </UButton>
+            <UButton color="neutral" variant="outline" size="sm" @click="close">{{ t('common.close') }}</UButton>
+          </div>
+        </footer>
+      </div>
+    </template>
+  </UModal>
+</template>
diff --git a/src/i18n/locales/en-US/ai.json b/src/i18n/locales/en-US/ai.json
index 2a006255..67010be4 100644
--- a/src/i18n/locales/en-US/ai.json
+++ b/src/i18n/locales/en-US/ai.json
@@ -279,6 +279,37 @@
     "input": {
       "placeholder": "Ask a question, or type {'@'} to select contacts or groups..."
     },
+    "memory": {
+      "button": "Memory",
+      "title": "Long-term memory",
+      "description": "Manage preferences and relationship context that AI can use across conversations.",
+      "preferences": "Preferences",
+      "entities": "Contacts and groups",
+      "count": "{count} items",
+      "empty": "No memories yet. You can ask AI to remember something in a conversation.",
+      "proactive": {
+        "title": "Allow proactive AI memory",
+        "description": "Let AI save long-term preferences and relationship insights. Explicit requests to remember still work when this is off."
+      },
+      "source": {
+        "user": "User confirmed",
+        "ai": "AI generated"
+      },
+      "clearCurrent": "Clear current category",
+      "clearAll": "Clear all",
+      "confirmDelete": "Delete this memory?",
+      "confirmClearView": "Clear every memory in the current category?",
+      "confirmClearAll": "Clear all long-term memories? This cannot be undone.",
+      "toast": {
+        "loadFailed": "Failed to load memories",
+        "saved": "Memory updated",
+        "saveFailed": "Failed to update memory",
+        "deleted": "Memory deleted",
+        "deleteFailed": "Failed to delete memory",
+        "cleared": "Memories cleared",
+        "clearFailed": "Failed to clear memories"
+      }
+    },
     "entityPicker": {
       "title": "Select contacts or groups",
       "add": "Select scope",
diff --git a/src/i18n/locales/ja-JP/ai.json b/src/i18n/locales/ja-JP/ai.json
index dfad22bd..0248ac7f 100644
--- a/src/i18n/locales/ja-JP/ai.json
+++ b/src/i18n/locales/ja-JP/ai.json
@@ -279,6 +279,37 @@
     "input": {
       "placeholder": "質問を入力、または {'@'} で連絡先やグループを選択..."
     },
+    "memory": {
+      "button": "メモリ",
+      "title": "長期メモリ",
+      "description": "会話をまたいで AI が利用する設定や関係性の背景を管理します。",
+      "preferences": "設定",
+      "entities": "連絡先とグループ",
+      "count": "{count} 件",
+      "empty": "メモリはまだありません。会話で AI に覚えるよう依頼できます。",
+      "proactive": {
+        "title": "AI による自発的な記憶を許可",
+        "description": "長期的に役立つ設定や関係性の知見を AI が保存できます。オフでも、明示的に記憶を依頼した内容は保存されます。"
+      },
+      "source": {
+        "user": "ユーザー確認済み",
+        "ai": "AI が生成"
+      },
+      "clearCurrent": "現在の分類を消去",
+      "clearAll": "すべて消去",
+      "confirmDelete": "このメモリを削除しますか？",
+      "confirmClearView": "現在の分類にあるメモリをすべて消去しますか？",
+      "confirmClearAll": "長期メモリをすべて消去しますか？この操作は元に戻せません。",
+      "toast": {
+        "loadFailed": "メモリを読み込めませんでした",
+        "saved": "メモリを更新しました",
+        "saveFailed": "メモリを更新できませんでした",
+        "deleted": "メモリを削除しました",
+        "deleteFailed": "メモリを削除できませんでした",
+        "cleared": "メモリを消去しました",
+        "clearFailed": "メモリを消去できませんでした"
+      }
+    },
     "entityPicker": {
       "title": "連絡先またはグループを選択",
       "add": "対象を選択",
diff --git a/src/i18n/locales/zh-CN/ai.json b/src/i18n/locales/zh-CN/ai.json
index 79633c4f..49e21bcb 100644
--- a/src/i18n/locales/zh-CN/ai.json
+++ b/src/i18n/locales/zh-CN/ai.json
@@ -279,6 +279,37 @@
     "input": {
       "placeholder": "输入问题，输入 {'@'} 选择联系人或群聊..."
     },
+    "memory": {
+      "button": "记忆",
+      "title": "长期记忆",
+      "description": "管理 AI 在不同对话间持续使用的偏好和关系背景。",
+      "preferences": "偏好",
+      "entities": "联系人和群聊",
+      "count": "{count} 条",
+      "empty": "暂无记忆，你可以在对话中让 AI 记住。",
+      "proactive": {
+        "title": "允许 AI 主动记忆",
+        "description": "允许 AI 保存有长期价值的偏好和关系结论；关闭后仍会保存你明确要求记住的内容。"
+      },
+      "source": {
+        "user": "用户确认",
+        "ai": "AI 形成"
+      },
+      "clearCurrent": "清空当前分类",
+      "clearAll": "清空全部",
+      "confirmDelete": "确定删除这条记忆吗？",
+      "confirmClearView": "确定清空当前分类中的全部记忆吗？",
+      "confirmClearAll": "确定清空全部长期记忆吗？此操作无法撤销。",
+      "toast": {
+        "loadFailed": "加载记忆失败",
+        "saved": "记忆已更新",
+        "saveFailed": "更新记忆失败",
+        "deleted": "记忆已删除",
+        "deleteFailed": "删除记忆失败",
+        "cleared": "记忆已清空",
+        "clearFailed": "清空记忆失败"
+      }
+    },
     "entityPicker": {
       "title": "选择联系人或群聊",
       "add": "选择对象",
diff --git a/src/i18n/locales/zh-TW/ai.json b/src/i18n/locales/zh-TW/ai.json
index cb0eefe9..c839c7c9 100644
--- a/src/i18n/locales/zh-TW/ai.json
+++ b/src/i18n/locales/zh-TW/ai.json
@@ -279,6 +279,37 @@
     "input": {
       "placeholder": "輸入問題，輸入 {'@'} 選擇聯絡人或群聊..."
     },
+    "memory": {
+      "button": "記憶",
+      "title": "長期記憶",
+      "description": "管理 AI 在不同對話間持續使用的偏好與關係背景。",
+      "preferences": "偏好",
+      "entities": "聯絡人和群聊",
+      "count": "{count} 條",
+      "empty": "暫無記憶，你可以在對話中讓 AI 記住。",
+      "proactive": {
+        "title": "允許 AI 主動記憶",
+        "description": "允許 AI 儲存有長期價值的偏好與關係結論；關閉後仍會儲存你明確要求記住的內容。"
+      },
+      "source": {
+        "user": "使用者確認",
+        "ai": "AI 形成"
+      },
+      "clearCurrent": "清空目前分類",
+      "clearAll": "清空全部",
+      "confirmDelete": "確定刪除這條記憶嗎？",
+      "confirmClearView": "確定清空目前分類中的全部記憶嗎？",
+      "confirmClearAll": "確定清空全部長期記憶嗎？此操作無法復原。",
+      "toast": {
+        "loadFailed": "載入記憶失敗",
+        "saved": "記憶已更新",
+        "saveFailed": "更新記憶失敗",
+        "deleted": "記憶已刪除",
+        "deleteFailed": "刪除記憶失敗",
+        "cleared": "記憶已清空",
+        "clearFailed": "清空記憶失敗"
+      }
+    },
     "entityPicker": {
       "title": "選擇聯絡人或群聊",
       "add": "選擇對象",
diff --git a/src/pages/global-ai/index.vue b/src/pages/global-ai/index.vue
index f599fa6e..9a0f5728 100644
--- a/src/pages/global-ai/index.vue
+++ b/src/pages/global-ai/index.vue
@@ -10,6 +10,7 @@ import ChatMessage from '@/components/AIChat/chat/ChatMessage.vue'
 import AIThinkingIndicator from '@/components/AIChat/chat/AIThinkingIndicator.vue'
 import ChatStatusBar from '@/components/AIChat/chat/ChatStatusBar.vue'
 import AIChatInput from '@/components/AIChat/input/AIChatInput.vue'
+import AIMemoryManagerModal from '@/components/AIChat/memory/AIMemoryManagerModal.vue'
 import { useChatScroll } from '@/components/AIChat/composables/useChatScroll'
 import { useProgressiveChatHistory } from '@/components/AIChat/composables/useProgressiveChatHistory'
 import { groupMessagesToQAPairs } from '@/components/AIChat/utils/chatMessages'
@@ -43,6 +44,7 @@ function isGlobalPageActive(): boolean {
   return !isUnmounted && route.name === 'global-ai'
 }
 const estimatedContextTokens = ref(0)
+const showMemoryManager = ref(false)
 
 const pairs = computed(() => groupMessagesToQAPairs(messages.value))
 const { messagesContainer, showScrollToBottom, handleScrollToBottom, scrollToBottom } = useChatScroll(
@@ -238,6 +240,15 @@ onUnmounted(() => {
       size="compact"
     >
       <template #actions>
+        <button
+          type="button"
+          class="flex items-center gap-1 rounded-md px-1.5 py-1 text-xs text-gray-500 transition-colors hover:bg-gray-100 hover:text-gray-700 dark:text-gray-400 dark:hover:bg-gray-800 dark:hover:text-gray-200"
+          :aria-expanded="showMemoryManager"
+          @click="showMemoryManager = true"
+        >
+          <UIcon name="i-lucide-brain" class="h-3.5 w-3.5" />
+          <span>{{ t('ai.global.memory.button') }}</span>
+        </button>
         <ChatHeaderActions
           :current-ai-chat-id="currentAIChatId"
           :current-messages="messages"
@@ -372,5 +383,7 @@ onUnmounted(() => {
         </div>
       </section>
     </div>
+
+    <AIMemoryManagerModal v-model:open="showMemoryManager" />
   </div>
 </template>