src/components/FolderView.vue

@@ -1,16 +1,15 @@
 <script setup lang="ts">
 import { computed } from 'vue'
+import { storeToRefs } from 'pinia'
 import { useServicesStore } from '@MailManager/stores/servicesStore'
 import { useMailStore } from '@/stores/mailStore'
+import { useMailSettingsStore } from '@/stores/mailSettingsStore'
 import { useMailUiStore } from '@/stores/mailUiStore'
-import { useUser } from '@KTXC'
 import FolderTreeView from './FolderTreeView.vue'
 import FolderPageView from './FolderPageView.vue'
 import type { CollectionObject } from '@MailManager/models/collection'
 import type { ServiceObject } from '@MailManager/models'
 
-type FolderViewMode = 'tree' | 'page'
-
 interface ServiceGroup {
   service: ServiceObject
   loading: boolean
@@ -31,12 +30,8 @@ const emit = defineEmits<{
 const servicesStore = useServicesStore()
 const mailStore = useMailStore()
 const mailUiStore = useMailUiStore()
-const { settings } = useUser()
+const mailSettingsStore = useMailSettingsStore()
-
+const { folderViewMode } = storeToRefs(mailSettingsStore)
-// Computed
-const folderViewMode = computed(() => {
-  return (settings.value.get('mail.folderViewMode') as FolderViewMode) || 'tree'
-})
 
 const serviceGroups = computed(() => {
   const groups: ServiceGroup[] = []

src/components/MessageList.vue

@@ -29,6 +29,7 @@ const emit = defineEmits<{
   selectionClear: []
   selectionMove: []
   selectionDelete: []
+  selectionFlag: [flag: string, value: boolean]
 }>()
 
 const longPressTimer = ref<number | null>(null)
@@ -202,6 +203,13 @@ const clearLongPressTimer = () => {
   }
 }
 
+const handleFlag = (flag: string, value: boolean) => {
+  if (props.selectionMode && selectionCount.value > 0) {
+    emit('selectionFlag', flag, value)
+  }
+}
+
+
 onBeforeUnmount(() => {
   clearLongPressTimer()
 })
@@ -260,6 +268,16 @@ onBeforeUnmount(() => {
             <v-icon>mdi-delete-outline</v-icon>
             <v-tooltip activator="parent" location="bottom">Delete Selected</v-tooltip>
           </v-btn>
+          <v-btn
+            size="small"
+            icon="mdi-read"
+            variant="text"
+            :disabled="selectionCount === 0"
+            @click="handleFlag('read', true)"
+          >
+            <v-icon>mdi-read</v-icon>
+            <v-tooltip activator="parent" location="bottom">Mark as Read</v-tooltip>
+          </v-btn>
           <v-btn
             size="small"
             icon="mdi-close"

src/components/settings/BehaviorSettings.vue

@@ -0,0 +1,44 @@
+<script setup lang="ts">
+import { storeToRefs } from 'pinia'
+import { messageReadDelayOptions, useMailSettingsStore } from '@/stores/mailSettingsStore'
+
+const mailSettingsStore = useMailSettingsStore()
+const { messageReadEnabled, messageReadDelay } = storeToRefs(mailSettingsStore)
+</script>
+
+<template>
+  <div class="pa-4">
+    <h3 class="text-h6 mb-4">Behaviours</h3>
+
+    <v-list>
+      <v-list-item>
+        <v-list-item-title>Mark messages as read automatically</v-list-item-title>
+        <v-list-item-subtitle>
+          Mark a message as read after it stays open for the configured delay
+        </v-list-item-subtitle>
+        <template #append>
+          <v-switch v-model="messageReadEnabled" color="primary" hide-details />
+        </template>
+      </v-list-item>
+
+      <v-list-item>
+        <v-list-item-title>Read delay</v-list-item-title>
+        <v-list-item-subtitle>
+          Choose how long a message must stay open before it is marked as read
+        </v-list-item-subtitle>
+        <template #append>
+          <v-select
+            v-model="messageReadDelay"
+            :items="messageReadDelayOptions"
+            item-title="title"
+            item-value="value"
+            density="compact"
+            variant="outlined"
+            :disabled="!messageReadEnabled"
+            style="width: 180px"
+          />
+        </template>
+      </v-list-item>
+    </v-list>
+  </div>
+</template>

src/components/settings/DisplaySettings.vue

@@ -1,67 +1,23 @@
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { storeToRefs } from 'pinia'
-import { useUser } from '@KTXC'
+import { folderViewModeOptions, useMailSettingsStore } from '@/stores/mailSettingsStore'
 
-type FolderViewMode = 'tree' | 'page'
+const mailSettingsStore = useMailSettingsStore()
-
+const { folderViewMode } = storeToRefs(mailSettingsStore)
-const { settings, setSetting } = useUser()
-
-const theme = ref('Auto')
-const showPreview = ref(true)
-const compactMode = ref(false)
-
-const folderViewMode = computed({
-  get: () => {
-    return (settings.value.get('mail.folderViewMode') as FolderViewMode) || 'tree'
-  },
-  set: (value: FolderViewMode) => setSetting('mail.folderViewMode', value)
-})
 </script>
 
 <template>
   <div class="pa-4">
     <h3 class="text-h6 mb-4">Display Settings</h3>
+
     <v-list>
-      <v-list-item>
-        <v-list-item-title>Theme</v-list-item-title>
-        <v-list-item-subtitle>Choose your preferred theme</v-list-item-subtitle>
-        <template #append>
-          <v-select
-            v-model="theme"
-            :items="['Light', 'Dark', 'Auto']"
-            density="compact"
-            variant="outlined"
-            style="width: 150px"
-          />
-        </template>
-      </v-list-item>
-
-      <v-list-item>
-        <v-list-item-title>Message preview</v-list-item-title>
-        <v-list-item-subtitle>Show message preview in list</v-list-item-subtitle>
-        <template #append>
-          <v-switch v-model="showPreview" color="primary" hide-details />
-        </template>
-      </v-list-item>
-
-      <v-list-item>
-        <v-list-item-title>Compact mode</v-list-item-title>
-        <v-list-item-subtitle>Use compact message list layout</v-list-item-subtitle>
-        <template #append>
-          <v-switch v-model="compactMode" color="primary" hide-details />
-        </template>
-      </v-list-item>
-
       <v-list-item>
         <v-list-item-title>Folder navigation style</v-list-item-title>
         <v-list-item-subtitle>Choose how folders are displayed</v-list-item-subtitle>
         <template #append>
           <v-select
             v-model="folderViewMode"
-            :items="[
+            :items="folderViewModeOptions"
-              { value: 'tree', title: 'Tree' },
-              { value: 'page', title: 'Page' }
-            ]"
             item-value="value"
             item-title="title"
             density="compact"

src/components/settings/SettingsDialog.vue

@@ -2,6 +2,7 @@
 import { ref } from 'vue'
 import DisplaySettings from './DisplaySettings.vue'
 import AccountsSettings from './AccountsSettings.vue'
+import BehaviorSettings from './BehaviorSettings.vue'
 import SecuritySettings from './SecuritySettings.vue'
 
 interface Props {
@@ -51,6 +52,10 @@ const handleClose = () => {
             <v-icon start>mdi-palette</v-icon>
             Display
           </v-tab>
+          <v-tab value="behaviour">
+            <v-icon start>mdi-timer-cog-outline</v-icon>
+            Behaviours
+          </v-tab>
           <v-tab value="security">
             <v-icon start>mdi-shield-account</v-icon>
             Security
@@ -68,6 +73,10 @@ const handleClose = () => {
             <DisplaySettings />
           </v-window-item>
 
+          <v-window-item value="behaviour">
+            <BehaviorSettings />
+          </v-window-item>
+
           <v-window-item value="security">
             <SecuritySettings />
           </v-window-item>

src/pages/MailPage.vue

@@ -35,7 +35,6 @@ const mailUiStore = useMailUiStore()
 // storeToRefs preserves reactivity for state and computed properties
 const {
   loading,
-  selectedFolder,
   selectedMessage,
   currentMessages,
 } = storeToRefs(mailStore)
@@ -43,6 +42,7 @@ const {
 const {
   sidebarVisible,
   settingsDialogVisible,
+  selectedFolder,
   composeMode,
   composeSource,
   composeVisible,
@@ -83,7 +83,7 @@ const lastSyncLabel = computed(() => {
 // Initialize
 onMounted(async () => {
   if (!isManagerAvailable.value) return
-  await mailStore.initialize()
+  await mailUiStore.initialize()
 })
 
 // Handlers — thin wrappers that delegate to the store
@@ -92,7 +92,11 @@ const {
   validateRenameFolderName,
 } = mailUiStore
 
-const handleFolderSelect = (folder: CollectionObject) => mailStore.selectFolder(folder)
+const sidebarToggle = () => mailUiStore.sidebarToggle()
+
+const handleSettingsOpen = () => mailUiStore.settingsOpen()
+
+const handleFolderSelect = (folder: CollectionObject) => mailUiStore.selectFolder(folder)
 
 const handleFolderCreateConfirm = async (folderName: string) => {
   try {
@@ -141,7 +145,7 @@ const handleMessageOpen = (message: EntityObject) => {
   mailStore.selectMessage(message)
 
   if (isMobile.value) {
-    mailUiStore.closeSidebar()
+    mailUiStore.sidebarHide()
   }
 }
 
@@ -153,6 +157,10 @@ const handleMessageComposeForward = (message: EntityObject) => mailUiStore.openC
 
 const handleMessageComposeClose = () => mailUiStore.closeCompose()
 
+const handleMessageFlag = (message: EntityObject, flag: string, value: boolean) => {
+  mailStore.flagMessages([message.identifier], { [flag]: value })
+}
+
 const handleMessageDelete = (message: EntityObject) => {
   mailStore.deleteMessages([message.identifier])
 }
@@ -175,12 +183,10 @@ const handleMessageSelectionClear = () => mailUiStore.messageSelectionModeDeacti
 
 const handleMessageSelectionMove = () => mailUiStore.openMoveMessagesDialog()
 
+const handleMessageSelectionFlag = (flag: string, value: boolean) => mailUiStore.flagSelectedMessages(flag, value)
+
 const handleMessageSelectionDelete = () => mailUiStore.deleteSelectedMessages()
 
-const toggleSidebar = () => mailUiStore.toggleSidebar()
-
-const handleSettingsOpen = () => mailUiStore.openSettings()
-
 </script>
 
 <template>
@@ -210,7 +216,7 @@ const handleSettingsOpen = () => mailUiStore.openSettings()
     <v-app-bar class="mail-toolbar" elevation="0" density="compact">
       <v-app-bar-nav-icon 
         v-if="isMobile" 
-        @click="toggleSidebar"
+        @click="sidebarToggle"
       />
       
       <v-app-bar-title>Mail</v-app-bar-title>
@@ -296,6 +302,7 @@ const handleSettingsOpen = () => mailUiStore.openSettings()
               @selection-toggle-one="handleMessageSelectionToggleOne"
               @selection-toggle-all="handleMessageSelectionToggleAll"
               @selection-clear="handleMessageSelectionClear"
+              @selection-flag="handleMessageSelectionFlag"
               @selection-move="handleMessageSelectionMove"
               @selection-delete="handleMessageSelectionDelete"
             />

src/stores/mailSettingsStore.ts

@@ -0,0 +1,74 @@
+import { computed } from 'vue'
+import { defineStore } from 'pinia'
+import { useUserStore } from '@KTXC'
+
+const MESSAGE_READ_ENABLED_KEY = 'mail.behaviour.messageReadEnabled'
+const MESSAGE_READ_DELAY_KEY = 'mail.behaviour.messageReadDelay'
+const FOLDER_VIEW_MODE_KEY = 'mail.folderViewMode'
+
+const DEFAULT_MESSAGE_READ_ENABLED = false
+const DEFAULT_MESSAGE_READ_DELAY = 5
+const DEFAULT_FOLDER_VIEW_MODE = 'tree'
+
+export type FolderViewMode = 'tree' | 'page'
+
+export const messageReadDelayOptions = [
+  { value: 2, title: '2 seconds' },
+  { value: 5, title: '5 seconds' },
+  { value: 10, title: '10 seconds' },
+  { value: 30, title: '30 seconds' },
+]
+
+export const folderViewModeOptions = [
+  { value: 'tree', title: 'Tree' },
+  { value: 'page', title: 'Page' },
+]
+
+function normalizeBoolean(value: unknown, fallback: boolean): boolean {
+  if (typeof value === 'boolean') {
+    return value
+  }
+
+  return fallback
+}
+
+function normalizePositiveNumber(value: unknown, fallback: number): number {
+  const normalized = Number(value)
+
+  return Number.isFinite(normalized) && normalized > 0 ? normalized : fallback
+}
+
+function normalizeFolderViewMode(value: unknown, fallback: FolderViewMode): FolderViewMode {
+  return value === 'tree' || value === 'page' ? value : fallback
+}
+
+export const useMailSettingsStore = defineStore('mailSettingsStore', () => {
+  const userStore = useUserStore()
+
+  const messageReadEnabled = computed({
+    get: () => normalizeBoolean(userStore.getSetting(MESSAGE_READ_ENABLED_KEY), DEFAULT_MESSAGE_READ_ENABLED),
+    set: (value: boolean) => userStore.setSetting(MESSAGE_READ_ENABLED_KEY, value),
+  })
+
+  const messageReadDelay = computed({
+    get: () => normalizePositiveNumber(userStore.getSetting(MESSAGE_READ_DELAY_KEY), DEFAULT_MESSAGE_READ_DELAY),
+    set: (value: number) => userStore.setSetting(
+      MESSAGE_READ_DELAY_KEY,
+      normalizePositiveNumber(value, DEFAULT_MESSAGE_READ_DELAY),
+    ),
+  })
+
+  const folderViewMode = computed({
+    get: () => normalizeFolderViewMode(userStore.getSetting(FOLDER_VIEW_MODE_KEY), DEFAULT_FOLDER_VIEW_MODE),
+    set: (value: FolderViewMode) => userStore.setSetting(
+      FOLDER_VIEW_MODE_KEY,
+      normalizeFolderViewMode(value, DEFAULT_FOLDER_VIEW_MODE),
+    ),
+  })
+
+  return {
+    folderViewMode,
+    messageReadEnabled,
+    messageReadDelay,
+  }
+})

src/stores/mailStore.ts

@@ -78,9 +78,7 @@ export const useMailStore = defineStore('mailStore', () => {
       await servicesStore.list()
 
       const services = [...servicesStore.servicesEnabled]
-      services.forEach(service => {
+      await Promise.all(services.map(service => loadFoldersForService(service)))
-        void loadFoldersForService(service,{ selectInbox: true })
-      })
     } catch (error) {
       console.error('[Mail][Operations] Failed to initialize:', error)
     } finally {
@@ -88,10 +86,7 @@ export const useMailStore = defineStore('mailStore', () => {
     }
   }
 
-  async function loadFoldersForService(
+  async function loadFoldersForService(service: ServiceObject) {
-    service: ServiceObject,
-    options: { selectInbox?: boolean } = {},
-  ) {
     
     if (service.identifier === null) {
       return
@@ -102,24 +97,10 @@ export const useMailStore = defineStore('mailStore', () => {
 
     try {
       // retrieve folders for service
-      const collections = await collectionsStore.collectionsForService(service.provider, service.identifier, true)
+      await collectionsStore.collectionsForService(service.provider, service.identifier, true)
 
       _setServiceFolderLoaded(service.provider, service.identifier, true)
 
-      if (options.selectInbox && !selectedFolder.value) {
-        const inbox = Object.values(collections).find(
-          folder =>
-            folder.provider === service.provider &&
-            String(folder.service) === String(service.identifier) &&
-            (folder.properties.role === 'inbox' ||
-              String(folder.identifier).toLowerCase() === 'inbox'),
-        )
-
-        if (inbox) {
-          await selectFolder(inbox)
-        }
-      }
-
       _updateSyncSources()
     } catch (error) {
       const message = error instanceof Error ? error.message : 'Failed to load folders'
@@ -323,41 +304,25 @@ export const useMailStore = defineStore('mailStore', () => {
     return service
   }
 
-  async function selectFolder(folder: CollectionObject) {
+  async function selectFolder(folder: CollectionObject | null) {
     selectedFolder.value = folder
     selectedMessage.value = null
 
+    if (folder) {
       try {
         await entitiesStore.list([folder.identifier])
       } catch (error) {
         console.error('[Mail][Operations] Failed to load messages:', error)
       }
+    }
 
     _updateSyncSources()
   }
 
-  function clearSelectedFolder() {
+  function selectMessage(entity: EntityObject | null) {
-    selectedFolder.value = null
-    selectedMessage.value = null
-
-    _updateSyncSources()
-  }
-
-  function selectMessage(entity: EntityObject) {
     selectedMessage.value = entity
   }
 
-  function clearSelectedMessage() {
-    selectedMessage.value = null
-  }
-
-  async function reloadSelectedFolder() {
-    // Reload the current folder so the sent message appears in Sent
-    if (selectedFolder.value) {
-      await selectFolder(selectedFolder.value)
-    }
-  }
-
   async function saveComposerDraft(folder: CollectionObject, message: ComposerMessageInput) {
     composerSaving.value = true
 
@@ -380,6 +345,24 @@ export const useMailStore = defineStore('mailStore', () => {
     }
   }
 
+  function findFoldersByRole(role: string): CollectionObject[] {
+    const normalizedRole = role.toLowerCase()
+
+    return servicesStore.servicesEnabled.flatMap(service => {
+      if (service.identifier === null) {
+        return []
+      }
+
+      return collectionsStore.collectionsForService(service.provider, service.identifier).filter(
+        folder =>
+          folder.provider === service.provider &&
+          String(folder.service) === String(service.identifier) &&
+          (folder.properties.role === normalizedRole ||
+            String(folder.identifier).toLowerCase() === normalizedRole),
+      )
+    })
+  }
+
   async function sendComposerMessage(message: ComposerMessageInput) {
     composerSending.value = true
 
@@ -492,7 +475,7 @@ export const useMailStore = defineStore('mailStore', () => {
     const deletedFolder = await collectionsStore.delete(folder.identifier)
 
     if (_sameCollection(selectedFolder.value, folder)) {
-      clearSelectedFolder()
+      await selectFolder(null)
     }
 
     notify(
@@ -503,6 +486,81 @@ export const useMailStore = defineStore('mailStore', () => {
     return deletedFolder
   }
 
+  async function deleteMessages(entityIdentifiers: EntityIdentifier[]) {
+    if (entityIdentifiers.length === 0) {
+      return
+    }
+
+    loading.value = true
+
+    try {
+      const { successes, failures } = await entitiesStore.delete(entityIdentifiers)
+
+      if (failures.length === 0) {
+        notify(
+          successes.length === 1 ? 'Message deleted' : `${successes.length} messages deleted`,
+          'success',
+        )
+      } 
+      
+      if (failures.length > 0) {
+        notify(
+          successes.length === 0
+            ? `Delete failed for ${failures.length === 1 ? '1 message' : `${failures.length} messages`}`
+            : `Deleted ${successes.length} ${successes.length === 1 ? 'message' : 'messages'}. ${failures.length} failed.`,
+          successes.length === 0 ? 'error' : 'warning',
+        )
+      }
+    } catch (error) {
+      const messageText = error instanceof Error ? error.message : 'Failed to delete messages'
+      console.error('[Mail][Operations] Failed to delete messages:', error)
+      notify(messageText, 'error')
+      throw error
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function flagMessages(entityIdentifiers: EntityIdentifier[], flags: Partial<MessageInterface['flags']>, options: { notify?: boolean } = {}) {
+    if (entityIdentifiers.length === 0) {
+      return
+    }
+
+    const shouldNotify = options.notify ?? true
+
+    loading.value = true
+
+    try {
+      const patch = entitiesStore.fresh().properties
+      patch.flags = flags
+
+      const { successes, failures } = await entitiesStore.patch(patch, entityIdentifiers)
+
+      if (shouldNotify && successes.length > 0) {
+        notify(
+          successes.length === 1 ? 'Message updated' : `${successes.length} messages updated`,
+          'success',
+        )
+      }
+
+      if (shouldNotify && failures.length > 0) {
+        notify(
+          successes.length === 0
+            ? `Update failed for ${failures.length === 1 ? '1 message' : `${failures.length} messages`}`
+            : `Updated ${successes.length} ${successes.length === 1 ? 'message' : 'messages'}. ${failures.length} failed.`,
+          successes.length === 0 ? 'error' : 'warning',
+        )
+      }
+    } catch (error) {
+      const messageText = error instanceof Error ? error.message : 'Failed to update messages'
+      console.error('[Mail][Operations] Failed to update messages:', error)
+      notify(messageText, 'error')
+      throw error
+    } finally {
+      loading.value = false
+    }
+  }
+
   async function moveMessages(target: CollectionObject, entityIdentifiers: EntityIdentifier[]) {
     const { movableIdentifiers, sourceCollections } = entityIdentifiers.reduce(
       (accumulator, identifier) => {
@@ -575,41 +633,6 @@ export const useMailStore = defineStore('mailStore', () => {
     }
   }
 
-  async function deleteMessages(entityIdentifiers: EntityIdentifier[]) {
-    if (entityIdentifiers.length === 0) {
-      return
-    }
-
-    loading.value = true
-
-    try {
-      const { successes, failures } = await entitiesStore.delete(entityIdentifiers)
-
-      if (failures.length === 0) {
-        notify(
-          successes.length === 1 ? 'Message deleted' : `${successes.length} messages deleted`,
-          'success',
-        )
-      } 
-      
-      if (failures.length > 0) {
-        notify(
-          successes.length === 0
-            ? `Delete failed for ${failures.length === 1 ? '1 message' : `${failures.length} messages`}`
-            : `Deleted ${successes.length} ${successes.length === 1 ? 'message' : 'messages'}. ${failures.length} failed.`,
-          successes.length === 0 ? 'error' : 'warning',
-        )
-      }
-    } catch (error) {
-      const messageText = error instanceof Error ? error.message : 'Failed to delete messages'
-      console.error('[Mail][Operations] Failed to delete messages:', error)
-      notify(messageText, 'error')
-      throw error
-    } finally {
-      loading.value = false
-    }
-  }
-
   function notify(message: string, color: 'success' | 'error' | 'info' | 'warning' = 'success') {
     showSnackbar({ message, color })
   }
@@ -625,7 +648,6 @@ export const useMailStore = defineStore('mailStore', () => {
 
     // State
     loading,
-    selectedFolder,
     selectedMessage,
     composerSaving,
     composerSending,
@@ -641,14 +663,12 @@ export const useMailStore = defineStore('mailStore', () => {
     // Actions
     retrieveService,
     selectFolder,
-    clearSelectedFolder,
     selectMessage,
-    clearSelectedMessage,
     createFolder,
-    reloadSelectedFolder,
     saveComposerDraft,
     sendComposerMessage,
     resetComposerState,
+    flagMessages,
     deleteMessages,
     deleteFolder,
     moveMessages,
@@ -658,6 +678,7 @@ export const useMailStore = defineStore('mailStore', () => {
     isServiceFolderLoading,
     hasServiceFoldersLoaded,
     getServiceFolderError,
+    findFoldersByRole,
     loadFoldersForService,
     initialize,
   }

src/stores/mailUiStore.ts

@@ -2,16 +2,20 @@ import { computed, ref, shallowRef, watch } from 'vue'
 import { defineStore } from 'pinia'
 import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
 import { useMailStore } from '@/stores/mailStore'
+import { useMailSettingsStore } from '@/stores/mailSettingsStore'
 import type { ServiceIdentifier, EntityIdentifier } from '@MailManager/types/common'
-import type { EntityObject, ServiceObject } from '@MailManager/models'
+import { EntityObject, type ServiceObject } from '@MailManager/models'
 import type { CollectionObject } from '@MailManager/models/collection'
 
 export const useMailUiStore = defineStore('mailUiStore', () => {
   const collectionsStore = useCollectionsStore()
   const mailStore = useMailStore()
+  const mailSettingsStore = useMailSettingsStore()
 
   const sidebarVisible = ref(true)
   const settingsDialogVisible = ref(false)
+  const selectedFolder = shallowRef<CollectionObject | null>(null)
+  const selectedMessage = shallowRef<EntityObject | null>(null)
   const composeMode = ref<'new' | 'reply' | 'forward'>('new')
   const composeSource = shallowRef<EntityObject | null>(null)
   const composeVisible = ref(false)
@@ -38,6 +42,8 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
   const deleteFolderDialogFolder = shallowRef<CollectionObject | null>(null)
   const deleteFolderDialogLoading = ref(false)
   const deleteFolderDialogError = ref('')
+  const messageReadIdentifier = ref<EntityIdentifier | null>(null)
+  const messageReadTimer = ref<ReturnType<typeof setTimeout> | null>(null)
 
   const createFolderDialogParentLabel = computed(() => {
     return createFolderDialogParent.value?.properties.label || 'Root'
@@ -86,20 +92,14 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
     return Array.from(invalidKeys)
   })
 
-  watch(
-    () => mailStore.selectedFolder,
-    () => {
-      closeCompose()
-      deactivateSelectionMode()
-    },
-  )
-
   watch(
     () => mailStore.selectedMessage,
-    selectedMessage => {
+    message => {
-      if (selectedMessage) {
+      if (message) {
         closeCompose()
       }
+
+      selectMessage(message)
     },
   )
 
@@ -110,6 +110,260 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
     },
   )
 
+  function sidebarToggle() {
+    sidebarVisible.value = !sidebarVisible.value
+  }
+
+  function sidebarHide() {
+    sidebarVisible.value = false
+  }
+
+  function settingsOpen() {
+    settingsDialogVisible.value = true
+  }
+
+  function settingsClose() {
+    settingsDialogVisible.value = false
+  }
+
+  function _sameCollection(left: CollectionObject | null | undefined, right: CollectionObject | null | undefined): boolean {
+    if (!left || !right) {
+      return false
+    }
+
+    return left.provider === right.provider &&
+      String(left.service) === String(right.service) &&
+      String(left.identifier) === String(right.identifier)
+  }
+
+  async function initialize() {
+    await mailStore.initialize()
+
+    if (!selectedFolder.value) {
+      const inbox = mailStore.findFoldersByRole('inbox')[0] ?? null
+
+      if (inbox) {
+        await selectFolder(inbox)
+      }
+    }
+  }
+
+  async function selectFolder(folder: CollectionObject | null) {
+    closeCompose()
+    messageSelectionModeDeactivate()
+    clearMessageReadTimer()
+    selectedFolder.value = folder
+    await mailStore.selectFolder(folder)
+  }
+
+  async function selectMessage(message: EntityObject | null) {
+    closeCompose()
+    messageSelectionModeDeactivate()
+    createMessageReadTimer(message)
+    // mailStore.selectMessage(message)
+  }
+
+  function createMessageReadTimer(entity: EntityObject | null) {
+    clearMessageReadTimer()
+
+    if (!entity) {
+      return
+    }
+
+    if (entity.properties.isRead || !mailSettingsStore.messageReadEnabled) {
+      return
+    }
+
+    const delayMilliseconds = mailSettingsStore.messageReadDelay * 1000
+
+    if (delayMilliseconds <= 0) {
+      return
+    }
+
+    messageReadIdentifier.value = entity.identifier
+    messageReadTimer.value = setTimeout(() => {
+      void completeMessageRead(entity.identifier)
+    }, delayMilliseconds)
+  }
+
+  function clearMessageReadTimer() {
+    if (messageReadTimer.value !== null) {
+      clearTimeout(messageReadTimer.value)
+    }
+
+    messageReadTimer.value = null
+    messageReadIdentifier.value = null
+  }
+
+  async function completeMessageRead(identifier: EntityIdentifier) {
+    try {
+      if (selectedMessage.value && selectedMessage.value.identifier === identifier && selectedMessage.value.properties.isRead === false) {
+        await mailStore.flagMessages([selectedMessage.value.identifier], { read: true }, { notify: false })
+      }
+    } catch (error) {
+      console.error('[Mail][UI] Failed to auto-mark message as read:', error)
+    } finally {
+      clearMessageReadTimer()
+    }
+  }
+  
+  function openCreateFolderDialog(service: ServiceObject, parentFolder: CollectionObject | null = null) {
+    createFolderDialogService.value = service
+    createFolderDialogParent.value = parentFolder
+    createFolderDialogError.value = ''
+    createFolderDialogLoading.value = false
+    createFolderDialogVisible.value = true
+  }
+
+  function closeCreateFolderDialog() {
+    createFolderDialogVisible.value = false
+    createFolderDialogService.value = null
+    createFolderDialogParent.value = null
+    createFolderDialogError.value = ''
+    createFolderDialogLoading.value = false
+  }
+
+  async function confirmCreateFolder(label: string) {
+    const service = createFolderDialogService.value
+
+    if (!service) {
+      return null
+    }
+
+    createFolderDialogLoading.value = true
+    createFolderDialogError.value = ''
+
+    try {
+      const folder = await mailStore.createFolder(service, label, createFolderDialogParent.value)
+      closeCreateFolderDialog()
+      return folder
+    } catch (error) {
+      createFolderDialogError.value = error instanceof Error ? error.message : 'Failed to create folder. Please try again.'
+      throw error
+    } finally {
+      createFolderDialogLoading.value = false
+    }
+  }
+
+  async function openRenameFolderDialog(target: CollectionObject) {
+    const service = await mailStore.retrieveService(target.service)
+    renameFolderDialogService.value = service
+    renameFolderDialogFolder.value = target
+    renameFolderDialogError.value = ''
+    renameFolderDialogLoading.value = false
+    renameFolderDialogVisible.value = true
+  }
+
+  function closeRenameFolderDialog() {
+    renameFolderDialogVisible.value = false
+    renameFolderDialogService.value = null
+    renameFolderDialogFolder.value = null
+    renameFolderDialogError.value = ''
+    renameFolderDialogLoading.value = false
+  }
+
+  async function confirmRenameFolder(label: string) {
+    const folder = renameFolderDialogFolder.value
+
+    if (!folder) {
+      return null
+    }
+
+    renameFolderDialogLoading.value = true
+    renameFolderDialogError.value = ''
+
+    try {
+      const updatedFolder = await mailStore.renameFolder(folder, label)
+
+      if (_sameCollection(selectedFolder.value, folder)) {
+        selectedFolder.value = updatedFolder
+      }
+
+      closeRenameFolderDialog()
+      return updatedFolder
+    } catch (error) {
+      renameFolderDialogError.value = error instanceof Error ? error.message : 'Failed to rename folder. Please try again.'
+      throw error
+    } finally {
+      renameFolderDialogLoading.value = false
+    }
+  }
+
+  async function openMoveFolderDialog(source: CollectionObject) {
+    const service = await mailStore.retrieveService(source.service)
+    moveFolderDialogService.value = service
+    moveFolderDialogSource.value = source
+    moveFolderDialogVisible.value = true
+  }
+
+  function closeMoveFolderDialog() {
+    moveFolderDialogVisible.value = false
+    moveFolderDialogService.value = null
+    moveFolderDialogSource.value = null
+  }
+
+  async function confirmMoveFolder(target: CollectionObject) {
+    const source = moveFolderDialogSource.value
+
+    if (!source) {
+      return null
+    }
+
+    const movedFolder = await mailStore.moveFolder(source, target)
+
+    if (_sameCollection(selectedFolder.value, source)) {
+      selectedFolder.value = movedFolder
+    }
+
+    closeMoveFolderDialog()
+    return movedFolder
+  }
+
+  async function openDeleteFolderDialog(target: CollectionObject) {
+    const service = await mailStore.retrieveService(target.service)
+    deleteFolderDialogService.value = service
+    deleteFolderDialogFolder.value = target
+    deleteFolderDialogError.value = ''
+    deleteFolderDialogLoading.value = false
+    deleteFolderDialogVisible.value = true
+  }
+
+  function closeDeleteFolderDialog() {
+    deleteFolderDialogVisible.value = false
+    deleteFolderDialogService.value = null
+    deleteFolderDialogFolder.value = null
+    deleteFolderDialogError.value = ''
+    deleteFolderDialogLoading.value = false
+  }
+
+  async function confirmDeleteFolder() {
+    const folder = deleteFolderDialogFolder.value
+
+    if (!folder) {
+      return null
+    }
+
+    deleteFolderDialogLoading.value = true
+    deleteFolderDialogError.value = ''
+
+    try {
+      const deleted = await mailStore.deleteFolder(folder)
+
+      if (_sameCollection(selectedFolder.value, folder)) {
+        selectFolder(null)
+        
+      }
+
+      closeDeleteFolderDialog()
+      return deleted
+    } catch (error) {
+      deleteFolderDialogError.value = error instanceof Error ? error.message : 'Failed to delete folder. Please try again.'
+      throw error
+    } finally {
+      deleteFolderDialogLoading.value = false
+    }
+  }
+
   function validateFolderNameBase(service: ServiceObject, name: string): string[] {
     const errors: string[] = []
 
@@ -196,7 +450,7 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
   }
 
   function openCompose(source?: EntityObject, mode: 'reply' | 'forward' = 'reply') {
-    mailStore.clearSelectedMessage()
+    mailStore.selectMessage(null)
     composeSource.value = source ?? null
     composeMode.value = mode
     composeVisible.value = true
@@ -254,7 +508,7 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
   }
 
   function messageSelectionReconcile() {
-    if (!mailStore.selectedFolder) {
+    if (!selectedFolder.value) {
       messageSelectionClear()
       return
     }
@@ -271,22 +525,6 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
     }
   }
 
-  function toggleSidebar() {
-    sidebarVisible.value = !sidebarVisible.value
-  }
-
-  function closeSidebar() {
-    sidebarVisible.value = false
-  }
-
-  function openSettings() {
-    settingsDialogVisible.value = true
-  }
-
-  function closeSettings() {
-    settingsDialogVisible.value = false
-  }
-
   async function openMoveMessagesDialog(entities?: EntityObject | EntityObject[]) {
     
     let moveMessagesServiceIdentifier = null as ServiceIdentifier | null
@@ -302,10 +540,10 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
       }
     } else {
       moveMessagesDialogCandidates.value = [...selectionList.value]
-      moveMessagesServiceIdentifier = mailStore.selectedFolder?.service as ServiceIdentifier || null
+      moveMessagesServiceIdentifier = selectedFolder.value?.service as ServiceIdentifier || null
     }
 
-    moveMessagesDialogService.value = await mailStore.retrieveService(moveMessagesServiceIdentifier);
+    moveMessagesDialogService.value = await mailStore.retrieveService(moveMessagesServiceIdentifier)
     moveMessagesDialogVisible.value = true
   }
 
@@ -323,153 +561,19 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
 
   async function deleteSelectedMessages() {
     await mailStore.deleteMessages([...selectionList.value])
-    deactivateSelectionMode()
+    messageSelectionModeDeactivate()
   }
 
-  function openCreateFolderDialog(service: ServiceObject, parentFolder: CollectionObject | null = null) {
+  async function flagSelectedMessages(flag: string, value: boolean) {
-    createFolderDialogService.value = service
+    await mailStore.flagMessages([...selectionList.value],  { [flag]: value })
-    createFolderDialogParent.value = parentFolder
+    messageSelectionModeDeactivate()
-    createFolderDialogError.value = ''
-    createFolderDialogLoading.value = false
-    createFolderDialogVisible.value = true
-  }
-
-  function closeCreateFolderDialog() {
-    createFolderDialogVisible.value = false
-    createFolderDialogService.value = null
-    createFolderDialogParent.value = null
-    createFolderDialogError.value = ''
-    createFolderDialogLoading.value = false
-  }
-
-  async function confirmCreateFolder(label: string) {
-    const service = createFolderDialogService.value
-
-    if (!service) {
-      return null
-    }
-
-    createFolderDialogLoading.value = true
-    createFolderDialogError.value = ''
-
-    try {
-      const folder = await mailStore.createFolder(service, label, createFolderDialogParent.value)
-      closeCreateFolderDialog()
-      return folder
-    } catch (error) {
-      createFolderDialogError.value = error instanceof Error ? error.message : 'Failed to create folder. Please try again.'
-      throw error
-    } finally {
-      createFolderDialogLoading.value = false
-    }
-  }
-
-  async function openRenameFolderDialog(target: CollectionObject) {
-    const service = await mailStore.retrieveService(target.service)
-    renameFolderDialogService.value = service
-    renameFolderDialogFolder.value = target
-    renameFolderDialogError.value = ''
-    renameFolderDialogLoading.value = false
-    renameFolderDialogVisible.value = true
-  }
-
-  function closeRenameFolderDialog() {
-    renameFolderDialogVisible.value = false
-    renameFolderDialogService.value = null
-    renameFolderDialogFolder.value = null
-    renameFolderDialogError.value = ''
-    renameFolderDialogLoading.value = false
-  }
-
-  async function confirmRenameFolder(label: string) {
-    const folder = renameFolderDialogFolder.value
-
-    if (!folder) {
-      return null
-    }
-
-    renameFolderDialogLoading.value = true
-    renameFolderDialogError.value = ''
-
-    try {
-      const updatedFolder = await mailStore.renameFolder(folder, label)
-      closeRenameFolderDialog()
-      return updatedFolder
-    } catch (error) {
-      renameFolderDialogError.value = error instanceof Error ? error.message : 'Failed to rename folder. Please try again.'
-      throw error
-    } finally {
-      renameFolderDialogLoading.value = false
-    }
-  }
-
-  async function openMoveFolderDialog(source: CollectionObject) {
-    const service = await mailStore.retrieveService(source.service)
-    moveFolderDialogService.value = service
-    moveFolderDialogSource.value = source
-    moveFolderDialogVisible.value = true
-  }
-
-  function closeMoveFolderDialog() {
-    moveFolderDialogVisible.value = false
-    moveFolderDialogService.value = null
-    moveFolderDialogSource.value = null
-  }
-
-  async function confirmMoveFolder(target: CollectionObject) {
-    const source = moveFolderDialogSource.value
-
-    if (!source) {
-      return null
-    }
-
-    const movedFolder = await mailStore.moveFolder(source, target)
-    closeMoveFolderDialog()
-    return movedFolder
-  }
-
-  async function openDeleteFolderDialog(target: CollectionObject) {
-    const service = await mailStore.retrieveService(target.service)
-    deleteFolderDialogService.value = service
-    deleteFolderDialogFolder.value = target
-    deleteFolderDialogError.value = ''
-    deleteFolderDialogLoading.value = false
-    deleteFolderDialogVisible.value = true
-  }
-
-  function closeDeleteFolderDialog() {
-    deleteFolderDialogVisible.value = false
-    deleteFolderDialogService.value = null
-    deleteFolderDialogFolder.value = null
-    deleteFolderDialogError.value = ''
-    deleteFolderDialogLoading.value = false
-  }
-
-  async function confirmDeleteFolder() {
-    const folder = deleteFolderDialogFolder.value
-
-    if (!folder) {
-      return null
-    }
-
-    deleteFolderDialogLoading.value = true
-    deleteFolderDialogError.value = ''
-
-    try {
-      const deleted = await mailStore.deleteFolder(folder)
-      closeDeleteFolderDialog()
-      return deleted
-    } catch (error) {
-      deleteFolderDialogError.value = error instanceof Error ? error.message : 'Failed to delete folder. Please try again.'
-      throw error
-    } finally {
-      deleteFolderDialogLoading.value = false
-    }
   }
 
   return {
     sidebarVisible,
     settingsDialogVisible,
+    selectedFolder,
+    selectedMessage,
     composeMode,
     composeSource,
     composeVisible,
@@ -499,13 +603,14 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
     deleteFolderDialogFolder,
     deleteFolderDialogLoading,
     deleteFolderDialogError,
-    toggleSidebar,
+    sidebarToggle,
-    closeSidebar,
+    sidebarHide,
-    openSettings,
+    settingsOpen,
-    closeSettings,
+    settingsClose,
+    initialize,
+    selectFolder,
     openCompose,
     closeCompose,
-    afterSent,
     messageSelectionModeActivate,
     messageSelectionModeDeactivate,
     messageSelectionToggleOne,
@@ -529,5 +634,6 @@ export const useMailUiStore = defineStore('mailUiStore', () => {
     openDeleteFolderDialog,
     closeDeleteFolderDialog,
     confirmDeleteFolder,
+    flagSelectedMessages,
   }
 })