chore(deps): update tiptap monorepo to v3.26.0

Reviewed-on: #56

package.json

@@ -21,15 +21,15 @@
     "@tiptap/extension-text-align": "^3.0.0",
     "@tiptap/extension-underline": "^3.0.0",
     "vue": "^3.4.0",
-    "vue-router": "^4.2.5",
-    "pinia": "^2.1.7",
-    "vuetify": "^3.5.0"
+    "vue-router": "^5.0.0",
+    "pinia": "^3.0.0",
+    "vuetify": "^4.0.0"
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "^6.0.0",
     "@vue/tsconfig": "^0.9.0",
     "typescript": "^6.0.0",
-    "vite": "^5.0.0",
-    "vue-tsc": "^1.8.27"
+    "vite": "^8.0.0",
+    "vue-tsc": "^3.0.0"
   }
 }

src/components/CreateFolderDialog.vue

@@ -1,7 +1,5 @@
 <script setup lang="ts">
 import { ref, computed, watch } from 'vue'
-import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
-import { CollectionPropertiesObject } from '@MailManager/models/collection'
 import type { CollectionObject } from '@MailManager/models/collection'
 import type { ServiceObject } from '@MailManager/models'
 
@@ -9,28 +7,27 @@ import type { ServiceObject } from '@MailManager/models'
 interface Props {
   modelValue: boolean
   service: ServiceObject
-  parentFolder?: CollectionObject | null
-  allFolders?: CollectionObject[]
+  parentFolderLabel?: string
+  validateName?: (name: string) => string[]
+  loading?: boolean
+  errorMessage?: string
 }
 
 const props = withDefaults(defineProps<Props>(), {
-  parentFolder: null,
-  allFolders: () => []
+  parentFolderLabel: 'Root',
+  validateName: () => [],
+  loading: false,
+  errorMessage: '',
 })
 
 // Emits
 const emit = defineEmits<{
   'update:modelValue': [value: boolean]
-  'created': [folder: CollectionObject]
+  confirm: [folderName: string]
 }>()
 
-// Store
-const collectionsStore = useCollectionsStore()
-
 // Form state
 const folderName = ref('')
-const loading = ref(false)
-const errorMessage = ref('')
 const validationErrors = ref<string[]>([])
 
 // Computed
@@ -39,67 +36,13 @@ const dialogValue = computed({
   set: (value: boolean) => emit('update:modelValue', value)
 })
 
-const parentFolderLabel = computed(() => {
-  if (!props.parentFolder) return 'Root'
-  return props.parentFolder.properties.label
-})
-
 const isValid = computed(() => {
   return folderName.value.trim().length > 0 && validationErrors.value.length === 0
 })
 
-// Validation functions
-const validateFolderName = (name: string): string[] => {
-  const errors: string[] = []
-  
-  if (!name || name.trim().length === 0) {
-    errors.push('Folder name is required')
-    return errors
-  }
-  
-  if (name.length > 255) {
-    errors.push('Folder name too long (max 255 characters)')
-  }
-  
-  // No special characters that might cause issues
-  if (/[<>:"|?*\x00-\x1F]/.test(name)) {
-    errors.push('Folder name contains invalid characters')
-  }
-  
-  // Provider-specific rules
-  if (props.service.provider === 'imap' && /[\/\\]/.test(name)) {
-    errors.push('IMAP folder names cannot contain / or \\')
-  }
-  
-  // Leading/trailing spaces
-  if (name !== name.trim()) {
-    errors.push('Folder name cannot have leading or trailing spaces')
-  }
-  
-  return errors
-}
-
-const checkDuplicateName = (name: string): boolean => {
-  const parentId = props.parentFolder?.identifier ?? null
-  
-  return props.allFolders.some(f => 
-    f.properties.label === name &&
-    String(f.collection) === String(parentId) &&
-    String(f.service) === String(props.service.identifier)
-  )
-}
-
 // Watch folder name for validation
 watch(folderName, (newName) => {
-  errorMessage.value = ''
-  validationErrors.value = validateFolderName(newName)
-  
-  // Check for duplicates only if no other validation errors
-  if (validationErrors.value.length === 0 && newName.trim().length > 0) {
-    if (checkDuplicateName(newName)) {
-      validationErrors.value.push('A folder with this name already exists in this location')
-    }
-  }
+  validationErrors.value = props.validateName(newName)
 })
 
 // Reset form when dialog opens/closes
@@ -111,59 +54,25 @@ watch(dialogValue, (isOpen) => {
 
 const resetForm = () => {
   folderName.value = ''
-  errorMessage.value = ''
   validationErrors.value = []
-  loading.value = false
 }
 
 const handleCreate = async () => {
-  // Final validation
-  const errors = validateFolderName(folderName.value)
+  const errors = props.validateName(folderName.value)
+
   if (errors.length > 0) {
     validationErrors.value = errors
     return
   }
   
-  if (checkDuplicateName(folderName.value)) {
-    validationErrors.value = ['A folder with this name already exists in this location']
-    return
-  }
-  
-  loading.value = true
-  errorMessage.value = ''
-  
-  try {
-    // Create properties object
-    const properties = new CollectionPropertiesObject()
-    properties.label = folderName.value.trim()
-    properties.rank = 0
-    properties.subscribed = true
-    
-    // Create the collection
-    const newFolder = await collectionsStore.create(
-      props.service.provider,
-      props.service.identifier as string | number,
-      props.parentFolder?.identifier ?? null,
-      properties
-    )
-    
-    // Success!
-    emit('created', newFolder)
-    dialogValue.value = false
-    resetForm()
-    
-  } catch (error: any) {
-    console.error('[CreateFolderDialog] Failed to create folder:', error)
-    errorMessage.value = error.message || 'Failed to create folder. Please try again.'
-  } finally {
-    loading.value = false
-  }
+  emit('confirm', folderName.value.trim())
 }
 
 const handleCancel = () => {
   dialogValue.value = false
   resetForm()
 }
+
 </script>
 
 <template>

src/components/DeleteFolderDialog.vue

@@ -8,20 +8,22 @@ interface Props {
   modelValue: boolean
   service: ServiceObject
   folder: CollectionObject
+  loading?: boolean
+  errorMessage?: string
 }
 
-const props = defineProps<Props>()
+const props = withDefaults(defineProps<Props>(), {
+  loading: false,
+  errorMessage: '',
+})
 
 const emit = defineEmits<{
   'update:modelValue': [value: boolean]
-  deleted: [folder: CollectionObject]
+  confirm: []
 }>()
 
 const collectionsStore = useCollectionsStore()
 
-const loading = ref(false)
-const errorMessage = ref('')
-
 const dialogValue = computed({
   get: () => props.modelValue,
   set: (value: boolean) => emit('update:modelValue', value),
@@ -33,37 +35,17 @@ const hasChildren = computed(() => {
   return collectionsStore.hasChildrenInCollection(props.folder.provider, props.folder.service, props.folder.identifier)
 })
 
-const resetState = () => {
-  loading.value = false
-  errorMessage.value = ''
-}
-
 watch(dialogValue, isOpen => {
   if (isOpen) {
-    resetState()
   }
 })
 
-const handleDelete = async () => {
-  loading.value = true
-  errorMessage.value = ''
-
-  try {
-    await collectionsStore.delete(props.folder.provider, props.folder.service, props.folder.identifier)
-    emit('deleted', props.folder)
-    dialogValue.value = false
-    resetState()
-  } catch (error: any) {
-    console.error('[DeleteFolderDialog] Failed to delete folder:', error)
-    errorMessage.value = error.message || 'Failed to delete folder. Please try again.'
-  } finally {
-    loading.value = false
-  }
+const handleDelete = () => {
+  emit('confirm')
 }
 
 const handleCancel = () => {
   dialogValue.value = false
-  resetState()
 }
 </script>
 

src/components/FolderPageView.vue

@@ -22,9 +22,9 @@ const collectionsStore = useCollectionsStore()
 const emit = defineEmits<{
   select: [folder: CollectionObject]
   createFolder: [service: ServiceObject, parentFolder: CollectionObject | null]
-  editFolder: [service: ServiceObject, folder: CollectionObject]
-  moveFolder: [service: ServiceObject, folder: CollectionObject]
-  deleteFolder: [service: ServiceObject, folder: CollectionObject]
+  editFolder: [folder: CollectionObject]
+  moveFolder: [folder: CollectionObject]
+  deleteFolder: [folder: CollectionObject]
 }>()
 
 // Page-based navigation state per service account
@@ -283,7 +283,7 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
               <v-list density="compact">
                 <v-list-item
                   prepend-icon="mdi-pencil"
-                  @click="emit('editFolder', group.service, folder)"
+                  @click="emit('editFolder', folder)"
                 >
                   <v-list-item-title>Edit Folder Name</v-list-item-title>
                 </v-list-item>
@@ -295,7 +295,7 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
                 </v-list-item>
                 <v-list-item
                   prepend-icon="mdi-folder-move"
-                  @click="emit('moveFolder', group.service, folder)"
+                  @click="emit('moveFolder', folder)"
                 >
                   <v-list-item-title>Move Folder</v-list-item-title>
                 </v-list-item>
@@ -303,7 +303,7 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
                   v-if="canDeleteFolder(folder)"
                   prepend-icon="mdi-delete"
                   base-color="error"
-                  @click="emit('deleteFolder', group.service, folder)"
+                  @click="emit('deleteFolder', folder)"
                 >
                   <v-list-item-title>Delete Folder</v-list-item-title>
                 </v-list-item>
@@ -446,7 +446,7 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
               <v-list density="compact">
                 <v-list-item
                   prepend-icon="mdi-pencil"
-                  @click="emit('editFolder', group.service, folder)"
+                  @click="emit('editFolder', folder)"
                 >
                   <v-list-item-title>Edit Folder Name</v-list-item-title>
                 </v-list-item>
@@ -458,7 +458,7 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
                 </v-list-item>
                 <v-list-item
                   prepend-icon="mdi-folder-move"
-                  @click="emit('moveFolder', group.service, folder)"
+                  @click="emit('moveFolder', folder)"
                 >
                   <v-list-item-title>Move Folder</v-list-item-title>
                 </v-list-item>
@@ -466,7 +466,7 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
                   v-if="canDeleteFolder(folder)"
                   prepend-icon="mdi-delete"
                   base-color="error"
-                  @click="emit('deleteFolder', group.service, folder)"
+                  @click="emit('deleteFolder', folder)"
                 >
                   <v-list-item-title>Delete Folder</v-list-item-title>
                 </v-list-item>

src/components/FolderSelectionDialog.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { computed, ref, watch } from 'vue'
-import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
 import { useMailStore } from '@/stores/mailStore'
+import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
 import type { ServiceObject, CollectionObject } from '@MailManager/models'
 import FolderSelectionTreeNode from './FolderSelectionTreeNode.vue'
 
@@ -30,8 +30,8 @@ const emit = defineEmits<{
   cancel: []
 }>()
 
-const collectionsStore = useCollectionsStore()
 const mailStore = useMailStore()
+const collectionsStore = useCollectionsStore()
 
 const selectedFolderKey = ref<string | null>(null)
 
@@ -40,10 +40,6 @@ const dialogValue = computed({
   set: (value: boolean) => emit('update:modelValue', value),
 })
 
-const folderKeyFor = (folder: CollectionObject): string => {
-  return `${folder.provider}:${String(folder.service)}:${String(folder.identifier)}`
-}
-
 interface ServiceGroup {
   service: ServiceObject
   loading: boolean
@@ -52,8 +48,7 @@ interface ServiceGroup {
 }
 
 const serviceGroups = computed<ServiceGroup[]>(() => {
-  const service = props.service ?? mailStore.moveDialogService
-
+  const service = props.service
   if (!service) {
     return []
   }
@@ -70,6 +65,34 @@ const serviceGroups = computed<ServiceGroup[]>(() => {
   }]
 })
 
+const selectedFolder = computed(() => {
+  if (!selectedFolderKey.value) {
+    return null
+  }
+
+  const group = serviceGroups.value[0]
+  if (!group) {
+    return null
+  }
+
+  return getServiceFolders(group.service).find(folder => folder.identifier === selectedFolderKey.value) ?? null
+})
+
+const canConfirm = computed(() => {
+  return selectedFolder.value !== null && !props.loading
+})
+
+watch(
+  () => props.modelValue,
+  (isOpen) => {
+    if (!isOpen) {
+      return
+    }
+
+    selectedFolderKey.value = null
+  },
+)
+
 const getRootFolders = (service: ServiceObject): CollectionObject[] => {
   if (service.identifier === null) {
     return []
@@ -86,36 +109,8 @@ const getServiceFolders = (service: ServiceObject): CollectionObject[] => {
   return collectionsStore.collectionsForService(service.provider, service.identifier)
 }
 
-const selectedFolder = computed(() => {
-  if (!selectedFolderKey.value) {
-    return null
-  }
-
-  const group = serviceGroups.value[0]
-  if (!group) {
-    return null
-  }
-
-  return getServiceFolders(group.service).find(folder => folderKeyFor(folder) === selectedFolderKey.value) ?? null
-})
-
-const canConfirm = computed(() => {
-  return selectedFolder.value !== null && !props.loading
-})
-
-watch(
-  () => [props.modelValue, mailStore.moveDialogService],
-  ([isOpen]) => {
-    if (!isOpen) {
-      return
-    }
-
-    selectedFolderKey.value = null
-  },
-)
-
 const handleSelect = (folder: CollectionObject) => {
-  selectedFolderKey.value = folderKeyFor(folder)
+  selectedFolderKey.value = folder.identifier
 }
 
 const handleCancel = () => {
@@ -165,7 +160,7 @@ const handleConfirm = () => {
 
               <FolderSelectionTreeNode
                 v-for="folder in getRootFolders(group.service)"
-                :key="folderKeyFor(folder)"
+                :key="folder.identifier"
                 :folder="folder"
                 :service="group.service"
                 :selected-folder-key="selectedFolderKey"

src/components/FolderSelectionTreeNode.vue

@@ -3,6 +3,7 @@ import { computed, ref } from 'vue'
 import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
 import type { CollectionObject } from '@MailManager/models/collection'
 import type { ServiceObject } from '@MailManager/models'
+import type { CollectionIdentifier } from '@MailManager/types/common'
 
 interface Props {
   folder: CollectionObject
@@ -20,9 +21,7 @@ const emit = defineEmits<{
 
 const expanded = ref(false)
 
-const folderKeyFor = (folder: CollectionObject): string => {
-  return `${folder.provider}:${String(folder.service)}:${String(folder.identifier)}`
-}
+const folderKeyFor = (folder: CollectionObject): string => String(folder.identifier)
 
 const folderLabelFor = (folder: CollectionObject): string => {
   return folder.properties.label || String(folder.identifier)
@@ -76,7 +75,11 @@ const childFolders = computed(() => {
     return []
   }
 
-  return collectionsStore.collectionsInCollection(props.service.provider, serviceIdentifier, props.folder.identifier)
+  return collectionsStore.collectionsInCollection(
+    props.service.provider,
+    serviceIdentifier,
+    props.folder.identifier as CollectionIdentifier,
+  )
 })
 
 const hasChildren = computed(() => {
@@ -86,7 +89,7 @@ const hasChildren = computed(() => {
     return false
   }
 
-  return collectionsStore.hasChildrenInCollection(props.service.provider, serviceIdentifier, props.folder.identifier)
+  return collectionsStore.hasChildrenInCollection(props.service.provider, serviceIdentifier, props.folder.identifier as CollectionIdentifier)
 })
 const isSelected = computed(() => props.selectedFolderKey === key.value)
 

src/components/FolderTree.vue

@@ -1,278 +0,0 @@
-<script setup lang="ts">
-import { ref, computed } from 'vue'
-import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
-import { useServicesStore } from '@MailManager/stores/servicesStore'
-import { useMailStore } from '@/stores/mailStore'
-import { useUser } from '@KTXC'
-import FolderTreeView from './FolderTreeView.vue'
-import FolderPageView from './FolderPageView.vue'
-import CreateFolderDialog from './CreateFolderDialog.vue'
-import DeleteFolderDialog from './DeleteFolderDialog.vue'
-import FolderSelectionDialog from './FolderSelectionDialog.vue'
-import RenameFolderDialog from './RenameFolderDialog.vue'
-import type { CollectionObject } from '@MailManager/models/collection'
-import type { ServiceObject } from '@MailManager/models'
-
-type FolderViewMode = 'tree' | 'page'
-
-const props = defineProps<{
-  selectedFolder?: CollectionObject | null
-}>()
-
-// Emits
-const emit = defineEmits<{
-  select: [folder: CollectionObject]
-  folderCreated: [folder: CollectionObject]
-}>()
-
-// Stores
-const collectionsStore = useCollectionsStore()
-const servicesStore = useServicesStore()
-const mailStore = useMailStore()
-
-// User settings
-const { settings } = useUser()
-
-// Folder view mode from user settings
-const folderViewMode = computed(() => {
-  return (settings.value.get('mail.folderViewMode') as FolderViewMode) || 'tree'
-})
-
-// Create folder dialog state
-const createDialogVisible = ref(false)
-const createDialogService = ref<ServiceObject | null>(null)
-const createDialogParent = ref<CollectionObject | null>(null)
-const renameDialogVisible = ref(false)
-const renameDialogService = ref<ServiceObject | null>(null)
-const renameDialogFolder = ref<CollectionObject | null>(null)
-const moveDialogVisible = ref(false)
-const moveDialogService = ref<ServiceObject | null>(null)
-const moveDialogFolder = ref<CollectionObject | null>(null)
-const deleteDialogVisible = ref(false)
-const deleteDialogService = ref<ServiceObject | null>(null)
-const deleteDialogFolder = ref<CollectionObject | null>(null)
-
-// Handle create folder event from child components
-const handleCreateFolder = (service: ServiceObject, parentFolder: CollectionObject | null = null) => {
-  createDialogService.value = service
-  createDialogParent.value = parentFolder
-  createDialogVisible.value = true
-}
-
-// Handle folder created
-const handleFolderCreated = (newFolder: CollectionObject) => {
-  emit('folderCreated', newFolder)
-  emit('select', newFolder)
-}
-
-const handleEditFolder = (service: ServiceObject, folder: CollectionObject) => {
-  renameDialogService.value = service
-  renameDialogFolder.value = folder
-  renameDialogVisible.value = true
-}
-
-const handleMoveFolder = (service: ServiceObject, folder: CollectionObject) => {
-  moveDialogService.value = service
-  moveDialogFolder.value = folder
-  moveDialogVisible.value = true
-}
-
-const handleDeleteFolder = (service: ServiceObject, folder: CollectionObject) => {
-  deleteDialogService.value = service
-  deleteDialogFolder.value = folder
-  deleteDialogVisible.value = true
-}
-
-const handleFolderRenamed = (updatedFolder: CollectionObject) => {
-  emit('select', updatedFolder)
-}
-
-const folderKeyFor = (folder: CollectionObject): string => {
-  return `${folder.provider}:${String(folder.service)}:${String(folder.identifier)}`
-}
-
-const moveDialogInvalidFolderKeys = computed(() => {
-  const sourceFolder = moveDialogFolder.value
-
-  if (!sourceFolder) {
-    return []
-  }
-
-  const invalidKeys = new Set<string>()
-  const queue: CollectionObject[] = [sourceFolder]
-
-  while (queue.length > 0) {
-    const currentFolder = queue.shift()
-
-    if (!currentFolder) {
-      continue
-    }
-
-    invalidKeys.add(folderKeyFor(currentFolder))
-
-    collectionsStore
-      .collectionsInCollection(currentFolder.provider, currentFolder.service, currentFolder.identifier)
-      .forEach(childFolder => {
-        queue.push(childFolder)
-      })
-  }
-
-  return Array.from(invalidKeys)
-})
-
-const isSameFolder = (left: CollectionObject | null | undefined, right: CollectionObject | null | undefined) => {
-  if (!left || !right) {
-    return false
-  }
-
-  return left.provider === right.provider &&
-    String(left.service) === String(right.service) &&
-    String(left.identifier) === String(right.identifier)
-}
-
-const handleFolderDeleted = (deletedFolder: CollectionObject) => {
-  if (isSameFolder(props.selectedFolder, deletedFolder)) {
-    mailStore.clearSelectedFolder()
-  }
-
-  mailStore.notify(`Folder "${deletedFolder.properties.label || String(deletedFolder.identifier)}" deleted`, 'success')
-}
-
-const handleMoveDialogCancel = () => {
-  moveDialogVisible.value = false
-}
-
-const handleFolderMove = async (targetFolder: CollectionObject) => {
-  const sourceFolder = moveDialogFolder.value
-
-  if (!sourceFolder) {
-    return
-  }
-
-  try {
-    const movedFolder = await collectionsStore.move(folderKeyFor(targetFolder), folderKeyFor(sourceFolder))
-    moveDialogVisible.value = false
-
-    if (isSameFolder(props.selectedFolder, sourceFolder)) {
-      emit('select', movedFolder)
-    }
-
-    mailStore.notify(
-      `Folder "${sourceFolder.properties.label || String(sourceFolder.identifier)}" moved to "${targetFolder.properties.label || String(targetFolder.identifier)}"`,
-      'success',
-    )
-  } catch (error: unknown) {
-    console.error('[FolderTree] Failed to move folder:', error)
-    mailStore.notify(error instanceof Error ? error.message : 'Failed to move folder', 'error')
-  }
-}
-
-// Computed: all folders for validation
-const allFolders = computed(() => 
-  servicesStore.servicesEnabled.flatMap(service =>
-    collectionsStore.collectionsForService(service.provider, service.identifier),
-  )
-)
-
-interface ServiceGroup {
-  service: ServiceObject
-  loading: boolean
-  loaded: boolean
-  error: string | null
-}
-const serviceGroups = computed(() => {
-  const groups: ServiceGroup[] = []
-
-  servicesStore.servicesEnabled.forEach(service => {
-    groups.push({
-      service,
-      loading: mailStore.isServiceFolderLoading(service.provider, service.identifier),
-      loaded: mailStore.hasServiceFoldersLoaded(service.provider, service.identifier),
-      error: mailStore.getServiceFolderError(service.provider, service.identifier),
-    })
-  })
-
-  return groups
-})
-</script>
-
-<template>
-  <v-list density="compact" nav>
-    <!-- Tree View -->
-    <FolderTreeView
-      v-if="folderViewMode === 'tree'"
-      :selected-folder="selectedFolder"
-      :service-groups="serviceGroups"
-      @select="emit('select', $event)"
-      @create-folder="handleCreateFolder"
-      @edit-folder="handleEditFolder"
-      @move-folder="handleMoveFolder"
-      @delete-folder="handleDeleteFolder"
-    />
-
-    <!-- Page-based View -->
-    <FolderPageView
-      v-else
-      :selected-folder="selectedFolder"
-      :service-groups="serviceGroups"
-      @select="emit('select', $event)"
-      @create-folder="handleCreateFolder"
-      @edit-folder="handleEditFolder"
-      @move-folder="handleMoveFolder"
-      @delete-folder="handleDeleteFolder"
-    />
-
-    <!-- Empty state -->
-    <v-list-item v-if="servicesStore.servicesEnabled.length === 0">
-      <v-list-item-title class="text-center text-medium-emphasis">
-        No mail accounts configured
-      </v-list-item-title>
-    </v-list-item>
-  </v-list>
-  
-  <!-- Create Folder Dialog -->
-  <CreateFolderDialog
-    v-if="createDialogService"
-    v-model="createDialogVisible"
-    :service="createDialogService"
-    :parent-folder="createDialogParent"
-    :all-folders="allFolders"
-    @created="handleFolderCreated"
-  />
-
-  <RenameFolderDialog
-    v-if="renameDialogService && renameDialogFolder"
-    v-model="renameDialogVisible"
-    :service="renameDialogService"
-    :folder="renameDialogFolder"
-    :all-folders="allFolders"
-    @updated="handleFolderRenamed"
-  />
-
-  <FolderSelectionDialog
-    v-if="moveDialogService && moveDialogFolder"
-    v-model="moveDialogVisible"
-    :service="moveDialogService"
-    :loading="collectionsStore.transceiving"
-    title="Move Folder"
-    confirm-text="Move Folder"
-    empty-text="No valid target folders are available."
-    :disabled-folder-keys="moveDialogInvalidFolderKeys"
-    @cancel="handleMoveDialogCancel"
-    @select="handleFolderMove"
-  />
-
-  <DeleteFolderDialog
-    v-if="deleteDialogService && deleteDialogFolder"
-    v-model="deleteDialogVisible"
-    :service="deleteDialogService"
-    :folder="deleteDialogFolder"
-    @deleted="handleFolderDeleted"
-  />
-</template>
-
-<style scoped>
-.v-list-item--active {
-  background-color: rgba(var(--v-theme-primary), 0.12);
-}
-</style>

src/components/FolderTreeNode.vue

@@ -17,17 +17,17 @@ const expanded = ref(false)
 const emit = defineEmits<{
   select: [folder: CollectionObject]
   createSubfolder: [service: ServiceObject, parentFolder: CollectionObject]
-  editFolder: [service: ServiceObject, folder: CollectionObject]
-  moveFolder: [service: ServiceObject, folder: CollectionObject]
-  deleteFolder: [service: ServiceObject, folder: CollectionObject]
+  editFolder: [folder: CollectionObject]
+  moveFolder: [folder: CollectionObject]
+  deleteFolder: [folder: CollectionObject]
 }>()
 
 const childFolders = computed(() => {
-  return collectionsStore.collectionsInCollection(props.service.provider, props.service.identifier, props.folder.identifier)
+  return collectionsStore.collectionsInCollection(props.service.provider, props.service.identifier ?? '', props.folder.identifier)
 })
 
 const hasChildren = computed(() => {
-  return collectionsStore.hasChildrenInCollection(props.service.provider, props.service.identifier, props.folder.identifier)
+  return collectionsStore.hasChildrenInCollection(props.service.provider, props.service.identifier ?? '', props.folder.identifier)
 })
 
 const canDeleteFolder = computed(() => !props.folder.properties.role)
@@ -131,7 +131,7 @@ const isSelected = (folder: CollectionObject): boolean => {
             <v-list density="compact">
               <v-list-item
                 prepend-icon="mdi-pencil"
-                @click="emit('editFolder', service, folder)"
+                @click="emit('editFolder', folder)"
               >
                 <v-list-item-title>Edit Folder Name</v-list-item-title>
               </v-list-item>
@@ -143,7 +143,7 @@ const isSelected = (folder: CollectionObject): boolean => {
               </v-list-item>
               <v-list-item
                 prepend-icon="mdi-folder-move"
-                @click="emit('moveFolder', service, folder)"
+                @click="emit('moveFolder', folder)"
               >
                 <v-list-item-title>Move Folder</v-list-item-title>
               </v-list-item>
@@ -151,7 +151,7 @@ const isSelected = (folder: CollectionObject): boolean => {
                 v-if="canDeleteFolder"
                 prepend-icon="mdi-delete"
                 base-color="error"
-                @click="emit('deleteFolder', service, folder)"
+                @click="emit('deleteFolder', folder)"
               >
                 <v-list-item-title>Delete Folder</v-list-item-title>
               </v-list-item>
@@ -170,9 +170,9 @@ const isSelected = (folder: CollectionObject): boolean => {
         :selected-folder="selectedFolder"
         @select="emit('select', $event)"
         @create-subfolder="(service, parentFolder) => emit('createSubfolder', service, parentFolder)"
-        @edit-folder="(service, folder) => emit('editFolder', service, folder)"
-        @move-folder="(service, folder) => emit('moveFolder', service, folder)"
-        @delete-folder="(service, folder) => emit('deleteFolder', service, folder)"
+        @edit-folder="(folder) => emit('editFolder', folder)"
+        @move-folder="(folder) => emit('moveFolder', folder)"
+        @delete-folder="(folder) => emit('deleteFolder', folder)"
       />
     </div>
   </v-list-group>
@@ -217,7 +217,7 @@ const isSelected = (folder: CollectionObject): boolean => {
         <v-list density="compact">
           <v-list-item
             prepend-icon="mdi-pencil"
-            @click="emit('editFolder', service, folder)"
+            @click="emit('editFolder', folder)"
           >
             <v-list-item-title>Edit Folder Name</v-list-item-title>
           </v-list-item>
@@ -229,7 +229,7 @@ const isSelected = (folder: CollectionObject): boolean => {
           </v-list-item>
           <v-list-item
             prepend-icon="mdi-folder-move"
-            @click="emit('moveFolder', service, folder)"
+            @click="emit('moveFolder', folder)"
           >
             <v-list-item-title>Move Folder</v-list-item-title>
           </v-list-item>
@@ -237,7 +237,7 @@ const isSelected = (folder: CollectionObject): boolean => {
             v-if="canDeleteFolder"
             prepend-icon="mdi-delete"
             base-color="error"
-            @click="emit('deleteFolder', service, folder)"
+            @click="emit('deleteFolder', folder)"
           >
             <v-list-item-title>Delete Folder</v-list-item-title>
           </v-list-item>

src/components/FolderTreeView.vue

@@ -22,9 +22,9 @@ const collectionsStore = useCollectionsStore()
 const emit = defineEmits<{
   select: [folder: CollectionObject]
   createFolder: [service: ServiceObject, parentFolder: CollectionObject | null]
-  editFolder: [service: ServiceObject, folder: CollectionObject]
-  moveFolder: [service: ServiceObject, folder: CollectionObject]
-  deleteFolder: [service: ServiceObject, folder: CollectionObject]
+  editFolder: [folder: CollectionObject]
+  moveFolder: [folder: CollectionObject]
+  deleteFolder: [folder: CollectionObject]
 }>()
 
 const getRootFolders = (service: ServiceObject): CollectionObject[] => {
@@ -75,9 +75,9 @@ const getServiceFolders = (service: ServiceObject): CollectionObject[] => {
           :selected-folder="selectedFolder"
           @select="emit('select', $event)"
           @create-subfolder="(service, parentFolder) => emit('createFolder', service, parentFolder)"
-          @edit-folder="(service, folder) => emit('editFolder', service, folder)"
-          @move-folder="(service, folder) => emit('moveFolder', service, folder)"
-          @delete-folder="(service, folder) => emit('deleteFolder', service, folder)"
+          @edit-folder="(folder) => emit('editFolder', folder)"
+          @move-folder="(folder) => emit('moveFolder', folder)"
+          @delete-folder="(folder) => emit('deleteFolder', folder)"
         />
 
         <v-list-item v-if="group.loading && getServiceFolders(group.service).length === 0" disabled class="folder-status-item">

src/components/FolderView.vue

@@ -0,0 +1,113 @@
+<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 FolderTreeView from './FolderTreeView.vue'
+import FolderPageView from './FolderPageView.vue'
+import type { CollectionObject } from '@MailManager/models/collection'
+import type { ServiceObject } from '@MailManager/models'
+
+interface ServiceGroup {
+  service: ServiceObject
+  loading: boolean
+  loaded: boolean
+  error: string | null
+}
+
+const props = defineProps<{
+  selectedFolder?: CollectionObject | null
+}>()
+
+// Emits
+const emit = defineEmits<{
+  select: [folder: CollectionObject]
+}>()
+
+// Stores
+const servicesStore = useServicesStore()
+const mailStore = useMailStore()
+const mailUiStore = useMailUiStore()
+const mailSettingsStore = useMailSettingsStore()
+const { folderViewMode } = storeToRefs(mailSettingsStore)
+
+const serviceGroups = computed(() => {
+  const groups: ServiceGroup[] = []
+
+  servicesStore.servicesEnabled.forEach(service => {
+    if (service.identifier === null) {
+      return
+    }
+
+    groups.push({
+      service,
+      loading: mailStore.isServiceFolderLoading(service.provider, service.identifier),
+      loaded: mailStore.hasServiceFoldersLoaded(service.provider, service.identifier),
+      error: mailStore.getServiceFolderError(service.provider, service.identifier),
+    })
+  })
+
+  return groups
+})
+
+// Handlers
+const handleFolderCreate = (service: ServiceObject, parentFolder: CollectionObject | null = null) => {
+  mailUiStore.openCreateFolderDialog(service, parentFolder)
+}
+
+const handleFolderEdit = (folder: CollectionObject) => {
+  mailUiStore.openRenameFolderDialog(folder)
+}
+
+const handleFolderDelete = (folder: CollectionObject) => {
+  mailUiStore.openDeleteFolderDialog(folder)
+}
+
+const handleFolderMove = (folder: CollectionObject) => {
+  mailUiStore.openMoveFolderDialog(folder)
+}
+
+</script>
+
+<template>
+  <v-list density="compact" nav>
+    <!-- Tree View -->
+    <FolderTreeView
+      v-if="folderViewMode === 'tree'"
+      :selected-folder="selectedFolder"
+      :service-groups="serviceGroups"
+      @select="emit('select', $event)"
+      @create-folder="handleFolderCreate"
+      @edit-folder="handleFolderEdit"
+      @move-folder="handleFolderMove"
+      @delete-folder="handleFolderDelete"
+    />
+
+    <!-- Page-based View -->
+    <FolderPageView
+      v-else
+      :selected-folder="selectedFolder"
+      :service-groups="serviceGroups"
+      @select="emit('select', $event)"
+      @create-folder="handleFolderCreate"
+      @edit-folder="handleFolderEdit"
+      @move-folder="handleFolderMove"
+      @delete-folder="handleFolderDelete"
+    />
+
+    <!-- Empty state -->
+    <v-list-item v-if="servicesStore.servicesEnabled.length === 0">
+      <v-list-item-title class="text-center text-medium-emphasis">
+        No mail accounts configured
+      </v-list-item-title>
+    </v-list-item>
+  </v-list>
+</template>
+
+<style scoped>
+.v-list-item--active {
+  background-color: rgba(var(--v-theme-primary), 0.12);
+}
+</style>

src/components/MessageComposer.vue

@@ -1,22 +1,26 @@
 <script setup lang="ts">
 import { ref, computed, watch, onBeforeUnmount } from 'vue'
-import { useEditor, EditorContent } from '@tiptap/vue-3'
+import { storeToRefs } from 'pinia'
+import { useEditor } from '@tiptap/vue-3'
 import StarterKit from '@tiptap/starter-kit'
 import Link from '@tiptap/extension-link'
 import Underline from '@tiptap/extension-underline'
 import TextAlign from '@tiptap/extension-text-align'
 import Placeholder from '@tiptap/extension-placeholder'
-import { entityService } from '@MailManager/services'
-import type { EntityInterface } from '@MailManager/types/entity'
-import type { MessageInterface } from '@MailManager/types/message'
-import type { CollectionInterface } from '@MailManager/types/collection'
-import { MessageObject } from '@MailManager/models/message'
 import { EntityObject } from '@MailManager/models/entity'
+import type { CollectionObject } from '@MailManager/models'
+import { useMailStore } from '@/stores/mailStore'
+import type { MessageAddressInterface } from '@MailManager/types/message'
+import { ComposerMode } from '@/types/composer'
+import ComposerToolbar from '@/components/composer/ComposerToolbar.vue'
+import ComposerRecipients from '@/components/composer/ComposerRecipients.vue'
+import ComposerEditor from '@/components/composer/ComposerEditor.vue'
 
 // Props
 interface Props {
-  replyTo?: EntityInterface<MessageInterface> | null
-  folder?: CollectionInterface | null
+  mode: ComposerMode
+  source?: EntityObject | MessageAddressInterface | null
+  folder?: CollectionObject | null
 }
 
 const props = defineProps<Props>()
@@ -24,9 +28,15 @@ const props = defineProps<Props>()
 // Emits
 const emit = defineEmits<{
   close: []
-  sent: []
 }>()
 
+const mailStore = useMailStore()
+const {
+  composerSending: sending,
+  composerSaving: saving,
+  composerLastSaved: lastSaved,
+} = storeToRefs(mailStore)
+
 // State
 const to = ref<string[]>([])
 const cc = ref<string[]>([])
@@ -34,10 +44,6 @@ const bcc = ref<string[]>([])
 const subject = ref('')
 const showCc = ref(false)
 const showBcc = ref(false)
-const sending = ref(false)
-const saving = ref(false)
-const lastSaved = ref<Date | null>(null)
-const draftId = ref<string | null>(null)
 
 // Auto-save timer
 let autoSaveTimer: ReturnType<typeof setTimeout> | null = null
@@ -65,25 +71,73 @@ const editor = useEditor({
   },
 })
 
-// Initialize from reply-to message
-if (props.replyTo) {
-  const replyMessage = new MessageObject(props.replyTo.properties)
-  
-  const fromEmail = replyMessage.from?.address
-  to.value = fromEmail ? [fromEmail] : []
-  
-  const originalSubject = replyMessage.subject || ''
-  subject.value = originalSubject.startsWith('Re:') 
-    ? originalSubject
-    : `Re: ${originalSubject}`
-  
-  // Add quoted reply - prefer HTML content, fallback to text
-  const originalBody = replyMessage.getHtmlContent() || replyMessage.getTextContent() || ''
-  const senderName = replyMessage.from?.label || replyMessage.from?.address || 'Unknown'
-  const quotedReply = `<p><br></p><p>On ${new Date(replyMessage.date || '').toLocaleString()}, ${senderName} wrote:</p><blockquote>${originalBody}</blockquote>`
-  editor.value?.commands.setContent(quotedReply)
+function resetComposerFields() {
+  to.value = []
+  cc.value = []
+  bcc.value = []
+  subject.value = ''
+  showCc.value = false
+  showBcc.value = false
+  editor.value?.commands.setContent('')
 }
 
+function initializeComposerFromProps() {
+  mailStore.resetComposerState()
+  resetComposerFields()
+
+  if (props.mode === ComposerMode.Fresh) {
+    if (props.source && 'address' in props.source) {
+      // If source is an email address, pre-fill the "To" field
+      to.value = [props.source.address]
+    }
+    return
+  }
+
+  if (props.source instanceof EntityObject == false) {
+    return
+  }
+
+  const sourceMessage = props.source.properties
+  const originalSubject = sourceMessage.subject || ''
+  const originalBody = sourceMessage.getHtmlContent() || sourceMessage.getTextContent() || ''
+  const senderName = sourceMessage.from?.label || sourceMessage.from?.address || 'Unknown'
+  const sentAt = sourceMessage.sent || props.source.created || ''
+  const sentLabel = sentAt ? new Date(sentAt).toLocaleString() : 'an unknown time'
+
+  if (props.mode === ComposerMode.Reply) {
+    const fromEmail = sourceMessage.replyTo?.[0]?.address || sourceMessage.from?.address
+    to.value = fromEmail ? [fromEmail] : []
+    subject.value = /^Re:/i.test(originalSubject)
+      ? originalSubject
+      : `Re: ${originalSubject}`
+    editor.value?.commands.setContent(
+      `<p><br></p><p>---------- Original message ---------</p><p>From: ${senderName}</p><p>Date: ${sentLabel}</p><p>Subject: ${originalSubject}</p><blockquote>${originalBody}</blockquote>`,
+    )
+    return
+  }
+
+  if (props.mode === ComposerMode.Forward) {
+    subject.value = /^Fwd:/i.test(originalSubject)
+      ? originalSubject
+      : `Fwd: ${originalSubject}`
+    editor.value?.commands.setContent(
+      `<p><br></p><p>---------- Forwarded message ---------</p><p>From: ${senderName}</p><p>Date: ${sentLabel}</p><p>Subject: ${originalSubject}</p><blockquote>${originalBody}</blockquote>`,
+    )
+  }
+}
+
+watch(
+  [() => props.mode, () => props.source, () => editor.value],
+  ([, , currentEditor]) => {
+    if (!currentEditor) {
+      return
+    }
+
+    initializeComposerFromProps()
+  },
+  { immediate: true },
+)
+
 // Computed
 const canSend = computed(() => {
   return to.value.length > 0 && subject.value.trim().length > 0
@@ -110,10 +164,8 @@ const saveDraft = async () => {
     return
   }
   
-  saving.value = true
-  
   try {
-    const draftData = {
+    await mailStore.saveComposerDraft(props.folder, {
       to: to.value,
       cc: cc.value,
       bcc: bcc.value,
@@ -122,27 +174,9 @@ const saveDraft = async () => {
         html: editor.value?.getHTML() || '',
         text: editor.value?.getText() || '',
       },
-    }
-    
-    // Find drafts folder for this service
-    // For now, we'll use the current folder's service
-    // In a real implementation, you'd find the actual Drafts folder
-    const response = await entityService.create({
-      provider: props.folder.provider,
-      service: props.folder.service,
-      collection: props.folder.identifier, // Should be drafts folder ID
-      properties: draftData,
     })
-    
-    if (response) {
-      draftId.value = String(response.identifier)
-    }
-    
-    lastSaved.value = new Date()
   } catch (error) {
-    console.error('[MessageComposer] Failed to save draft:', error)
-  } finally {
-    saving.value = false
+    console.error('[Mail][Composer] Failed to save draft:', error)
   }
 }
 
@@ -173,53 +207,32 @@ onBeforeUnmount(() => {
   if (autoSaveTimer) {
     clearTimeout(autoSaveTimer)
   }
+  mailStore.resetComposerState()
   editor.value?.destroy()
 })
 
 // Handlers
 const handleClose = () => {
+  mailStore.resetComposerState()
   emit('close')
 }
 
 const handleSend = async () => {
   if (!canSend.value || sending.value) return
-  
-  sending.value = true
-  
+
   try {
-    await entityService.transmit({
-      message: {
-        to: to.value,
-        cc: cc.value.length > 0 ? cc.value : undefined,
-        bcc: bcc.value.length > 0 ? bcc.value : undefined,
-        subject: subject.value,
-        body: {
-          html: editor.value?.getHTML() || '',
-          text: editor.value?.getText() || '',
-        },
+    await mailStore.sendComposerMessage({
+      to: to.value,
+      cc: cc.value,
+      bcc: bcc.value,
+      subject: subject.value,
+      body: {
+        html: editor.value?.getHTML() || '',
+        text: editor.value?.getText() || '',
       },
     })
-    
-    // Delete draft if it was saved
-    if (draftId.value && props.folder) {
-      try {
-        await entityService.delete({
-          provider: props.folder.provider,
-          service: props.folder.service,
-          collection: props.folder.identifier,
-          identifier: draftId.value,
-        })
-      } catch (error) {
-        console.error('[MessageComposer] Failed to delete draft:', error)
-      }
-    }
-    
-    emit('sent')
   } catch (error) {
-    console.error('[MessageComposer] Failed to send message:', error)
-    alert('Failed to send message. Please try again.')
-  } finally {
-    sending.value = false
+    console.error('[Mail][Composer] Failed to send message:', error)
   }
 }
 
@@ -248,192 +261,61 @@ const removeLink = () => editor.value?.chain().focus().unsetLink().run()
 const isActive = (name: string, attrs?: any) => {
   return editor.value?.isActive(name, attrs) || false
 }
+
+const toggleLink = () => {
+  if (isActive('link')) {
+    removeLink()
+    return
+  }
+
+  setLink()
+}
 </script>
 
 <template>
   <div class="message-composer">
-    <!-- Toolbar -->
-    <v-toolbar density="compact" elevation="0" class="composer-toolbar">
-      <v-btn
-        variant="text"
-        @click="handleClose"
-        icon="mdi-close"
-      >
-        <v-icon>mdi-close</v-icon>
-        <v-tooltip activator="parent" location="bottom">Close</v-tooltip>
-      </v-btn>
+    <ComposerToolbar
+      :mode="mode"
+      :save-status="saveStatus"
+      :can-send="canSend"
+      :sending="sending"
+      @close="handleClose"
+      @send="handleSend"
+    />
 
-      <v-toolbar-title>
-        {{ replyTo ? 'Reply' : 'New Message' }}
-      </v-toolbar-title>
-
-      <v-spacer />
-
-      <span v-if="saveStatus" class="text-caption text-medium-emphasis mr-4">
-        {{ saveStatus }}
-      </span>
-
-      <v-btn
-        color="primary"
-        :disabled="!canSend"
-        :loading="sending"
-        @click="handleSend"
-        prepend-icon="mdi-send"
-      >
-        Send
-      </v-btn>
-    </v-toolbar>
-
-    <!-- Composer content -->
     <div class="composer-content">
-      <!-- Recipients -->
-      <div class="composer-fields pa-4">
-        <v-combobox
-          v-model="to"
-          label="To"
-          chips
-          multiple
-          closable-chips
-          variant="outlined"
-          density="compact"
-          class="mb-2"
-        >
-          <template v-slot:append-inner>
-            <v-btn
-              size="x-small"
-              variant="text"
-              @click="toggleCc"
-              class="mr-1"
-            >
-              Cc
-            </v-btn>
-            <v-btn
-              size="x-small"
-              variant="text"
-              @click="toggleBcc"
-            >
-              Bcc
-            </v-btn>
-          </template>
-        </v-combobox>
-
-        <v-combobox
-          v-if="showCc"
-          v-model="cc"
-          label="Cc"
-          chips
-          multiple
-          closable-chips
-          variant="outlined"
-          density="compact"
-          class="mb-2"
-        />
-
-        <v-combobox
-          v-if="showBcc"
-          v-model="bcc"
-          label="Bcc"
-          chips
-          multiple
-          closable-chips
-          variant="outlined"
-          density="compact"
-          class="mb-2"
-        />
-
-        <v-text-field
-          v-model="subject"
-          label="Subject"
-          variant="outlined"
-          density="compact"
-        />
-      </div>
+      <ComposerRecipients
+        :to="to"
+        :cc="cc"
+        :bcc="bcc"
+        :subject="subject"
+        :show-cc="showCc"
+        :show-bcc="showBcc"
+        @update:to="to = $event"
+        @update:cc="cc = $event"
+        @update:bcc="bcc = $event"
+        @update:subject="subject = $event"
+        @toggle:cc="toggleCc"
+        @toggle:bcc="toggleBcc"
+      />
 
       <v-divider />
 
-      <!-- Editor toolbar -->
-      <v-toolbar density="compact" elevation="0" class="editor-toolbar">
-        <v-btn
-          icon
-          size="small"
-          :class="{ 'v-btn--active': isActive('bold') }"
-          @click="toggleBold"
-        >
-          <v-icon>mdi-format-bold</v-icon>
-          <v-tooltip activator="parent" location="bottom">Bold</v-tooltip>
-        </v-btn>
-
-        <v-btn
-          icon
-          size="small"
-          :class="{ 'v-btn--active': isActive('italic') }"
-          @click="toggleItalic"
-        >
-          <v-icon>mdi-format-italic</v-icon>
-          <v-tooltip activator="parent" location="bottom">Italic</v-tooltip>
-        </v-btn>
-
-        <v-btn
-          icon
-          size="small"
-          :class="{ 'v-btn--active': isActive('underline') }"
-          @click="toggleUnderline"
-        >
-          <v-icon>mdi-format-underline</v-icon>
-          <v-tooltip activator="parent" location="bottom">Underline</v-tooltip>
-        </v-btn>
-
-        <v-divider vertical class="mx-2" />
-
-        <v-btn
-          icon
-          size="small"
-          :class="{ 'v-btn--active': isActive('bulletList') }"
-          @click="toggleBulletList"
-        >
-          <v-icon>mdi-format-list-bulleted</v-icon>
-          <v-tooltip activator="parent" location="bottom">Bullet List</v-tooltip>
-        </v-btn>
-
-        <v-btn
-          icon
-          size="small"
-          :class="{ 'v-btn--active': isActive('orderedList') }"
-          @click="toggleOrderedList"
-        >
-          <v-icon>mdi-format-list-numbered</v-icon>
-          <v-tooltip activator="parent" location="bottom">Numbered List</v-tooltip>
-        </v-btn>
-
-        <v-divider vertical class="mx-2" />
-
-        <v-btn
-          icon
-          size="small"
-          :class="{ 'v-btn--active': isActive('link') }"
-          @click="isActive('link') ? removeLink() : setLink()"
-        >
-          <v-icon>mdi-link</v-icon>
-          <v-tooltip activator="parent" location="bottom">Link</v-tooltip>
-        </v-btn>
-
-        <v-spacer />
-
-        <v-btn
-          icon
-          size="small"
-        >
-          <v-icon>mdi-paperclip</v-icon>
-          <v-tooltip activator="parent" location="bottom">Attach Files</v-tooltip>
-        </v-btn>
-      </v-toolbar>
-
-      <v-divider />
-
-      <!-- Editor -->
-      <div class="editor-container">
-        <editor-content :editor="editor" />
-      </div>
+      <ComposerEditor
+        :editor="editor"
+        :is-bold-active="isActive('bold')"
+        :is-italic-active="isActive('italic')"
+        :is-underline-active="isActive('underline')"
+        :is-bullet-list-active="isActive('bulletList')"
+        :is-ordered-list-active="isActive('orderedList')"
+        :is-link-active="isActive('link')"
+        @bold="toggleBold"
+        @italic="toggleItalic"
+        @underline="toggleUnderline"
+        @bullet-list="toggleBulletList"
+        @ordered-list="toggleOrderedList"
+        @link="toggleLink"
+      />
     </div>
   </div>
 </template>
@@ -457,65 +339,4 @@ const isActive = (name: string, attrs?: any) => {
   flex-direction: column;
   overflow: hidden;
 }
-
-.composer-fields {
-  flex-shrink: 0;
-}
-
-.editor-toolbar {
-  flex-shrink: 0;
-  border-bottom: 1px solid rgb(var(--v-border-color));
-}
-
-.editor-container {
-  flex: 1;
-  overflow-y: auto;
-  background-color: rgb(var(--v-theme-background));
-}
-
-.v-btn--active {
-  background-color: rgba(var(--v-theme-primary), 0.12);
-  color: rgb(var(--v-theme-primary));
-}
-
-:deep(.tiptap-editor) {
-  outline: none;
-  min-height: 300px;
-  
-  p.is-editor-empty:first-child::before {
-    color: rgb(var(--v-theme-on-surface-variant));
-    content: attr(data-placeholder);
-    float: left;
-    height: 0;
-    pointer-events: none;
-  }
-  
-  h1, h2, h3, h4, h5, h6 {
-    line-height: 1.3;
-    margin-top: 1em;
-    margin-bottom: 0.5em;
-  }
-  
-  p {
-    margin-bottom: 0.5em;
-  }
-  
-  ul, ol {
-    padding-left: 1.5em;
-    margin-bottom: 0.5em;
-  }
-  
-  blockquote {
-    border-left: 3px solid rgb(var(--v-border-color));
-    padding-left: 1em;
-    margin-left: 0;
-    margin-bottom: 0.5em;
-    color: rgb(var(--v-theme-on-surface-variant));
-  }
-  
-  a {
-    color: rgb(var(--v-theme-primary));
-    text-decoration: underline;
-  }
-}
 </style>

src/components/MessageList.vue

@@ -3,6 +3,8 @@ import { computed, onBeforeUnmount, ref } from 'vue'
 import type { EntityIdentifier } from '@MailManager/types/common'
 import type { EntityObject } from '@MailManager/models'
 import type { CollectionObject } from '@MailManager/models/collection'
+import RecipientDetails from '@/components/common/RecipientDetails.vue'
+import MessageListItemMenu from '@/components/MessageListItemMenu.vue'
 
 // Props
 interface Props {
@@ -23,62 +25,70 @@ const props = withDefaults(defineProps<Props>(), {
 // Emits
 const emit = defineEmits<{
   open: [message: EntityObject]
-  toggleSelection: [message: EntityObject]
-  activateSelectionMode: [message: EntityObject]
-  toggleSelectAll: [value: boolean]
-  clearSelection: []
-  moveSelection: []
-  deleteSelection: []
+  reply: [message: EntityObject]
+  forward: [message: EntityObject]
+  move: [message: EntityObject]
+  delete: [message: EntityObject]
+  flag: [message: EntityObject, flag: string, value: boolean]
+  selectionMode: [message: EntityObject]
+  selectionToggleOne: [message: EntityObject]
+  selectionToggleAll: [value: boolean]
+  selectionClear: []
+  selectionMove: []
+  selectionDelete: []
+  selectionFlag: [flag: string, value: boolean]
 }>()
 
 const longPressTimer = ref<number | null>(null)
 const longPressActivated = ref(false)
 const suppressNextClick = ref(false)
-const LONG_PRESS_MS = 450
-
+const contextMenuVisible = ref(false)
+const contextMenuTarget = ref<[number, number] | undefined>(undefined)
+const contextMenuMessage = ref<EntityObject | null>(null)
+const LONG_PRESS_MS = 400
 const selectedIdSet = computed(() => new Set(props.selectionList))
+const selectionCount = computed(() => props.selectionList.length ?? 0)
+
+// Sorted messages (newest first)
+const sortedMessages = computed(() => {
+  return [...props.messages].sort((a, b) => {
+    const dateA = timeStamp(a) ?? 0
+    const dateB = timeStamp(b) ?? 0
+    return dateB - dateA
+  })
+})
 
 const isOpened = (message: EntityObject): boolean => {
   if (!props.selectedMessage) return false
-  return (
-    message.provider === props.selectedMessage.provider &&
-    message.service === props.selectedMessage.service &&
-    message.collection === props.selectedMessage.collection &&
-    message.identifier === props.selectedMessage.identifier
-  )
+  return (message.identifier === props.selectedMessage.identifier)
 }
 
 const isSelected = (message: EntityObject): boolean => {
-  return selectedIdSet.value.has(
-    `${message.provider}:${String(message.service)}:${String(message.collection)}:${String(message.identifier)}` as EntityIdentifier,
-  )
+  return selectedIdSet.value.has(message.identifier)
 }
 
-// Check if message is unread
-const isUnread = (message: EntityObject): boolean => {
-  return !message.properties.flags?.read
+const timeStamp = (message: EntityObject): number | null => {
+  const timestamp = message.properties.received
+    || message.properties.sent
+    || message.modified
+    || message.created
+    || null
+
+  if (!timestamp) {
+    return null
+  }
+
+  const timeValue = new Date(timestamp).getTime()
+  return Number.isNaN(timeValue) ? null : timeValue
 }
 
-// Check if message is flagged
-const isFlagged = (message: EntityObject): boolean => {
-  return message.properties.flags?.flagged || false
-}
-
-const currentMessages = computed(() => props.messages ?? [])
-
-const selectionCount = computed(() => props.selectionList.length)
-
-const hasSelection = computed(() => selectionCount.value > 0)
-
-const allCurrentMessagesSelected = computed(() => {
-  return currentMessages.value.length > 0 && currentMessages.value.every(message => isSelected(message))
-})
-
 // Format date for display
-const formatDate = (date: Date | string | null | undefined): string => {
+const formatDate = (date: Date | string | number | null | undefined): string => {
   if (!date) return ''
   
   const messageDate = new Date(date)
+  if (Number.isNaN(messageDate.getTime())) return ''
+
   const now = new Date()
   const today = new Date(now.getFullYear(), now.getMonth(), now.getDate())
   const yesterday = new Date(today)
@@ -115,26 +125,20 @@ const formatDate = (date: Date | string | null | undefined): string => {
   })
 }
 
-// Truncate text
-const truncate = (text: string | null | undefined, length: number = 100): string => {
-  if (!text) return ''
-  return text.length > length ? text.substring(0, length) + '...' : text
+const isSelectionControlClick = (event: MouseEvent | KeyboardEvent): boolean => {
+  return event.target instanceof Element && event.target.closest('.message-selection-checkbox, .message-item-menu-trigger, .message-item-menu-content') !== null
 }
 
-const handleSelectionToggle = (message: EntityObject) => {
-  emit('toggleSelection', message)
+const handleSelectionToggleOne = (message: EntityObject) => {
+  emit('selectionToggleOne', message)
 }
 
-const handleMessageMouseClick = (event: MouseEvent | KeyboardEvent, message: EntityObject) => {
-  if (event.shiftKey && !props.selectionMode) {
-    event.preventDefault()
-    event.stopPropagation()
-    emit('activateSelectionMode', message)
-    return
-  }
+const handleSelectionToggleAll = (value: boolean | null) => {
+  emit('selectionToggleAll', value === true)
+}
 
-  if (longPressActivated.value) {
-    longPressActivated.value = false
+const handleMouseClick = (event: MouseEvent | KeyboardEvent, message: EntityObject) => {
+  if (isSelectionControlClick(event)) {
     return
   }
 
@@ -143,15 +147,31 @@ const handleMessageMouseClick = (event: MouseEvent | KeyboardEvent, message: Ent
     return
   }
 
+  if (event.shiftKey && !props.selectionMode) {
+    event.preventDefault()
+    event.stopPropagation()
+    emit('selectionMode', message)
+    return
+  }
+
+  if (longPressActivated.value) {
+    longPressActivated.value = false
+    return
+  }
+
   if (props.selectionMode) {
-    emit('toggleSelection', message)
+    emit('selectionToggleOne', message)
     return
   }
 
   emit('open', message)
 }
 
-const handleMessageMouseDown = (event: MouseEvent, message: EntityObject) => {
+const handleMouseDown = (event: MouseEvent, message: EntityObject) => {
+  if (isSelectionControlClick(event)) {
+    return
+  }
+
   if (!event.shiftKey || props.selectionMode) {
     return
   }
@@ -159,14 +179,44 @@ const handleMessageMouseDown = (event: MouseEvent, message: EntityObject) => {
   event.preventDefault()
   event.stopPropagation()
   suppressNextClick.value = true
-  emit('activateSelectionMode', message)
+  emit('selectionMode', message)
 }
 
-const clearLongPressTimer = () => {
-  if (longPressTimer.value !== null) {
-    window.clearTimeout(longPressTimer.value)
-    longPressTimer.value = null
+const openContextMenu = (event: MouseEvent, message: EntityObject) => {
+  if (isSelectionControlClick(event)) {
+    return
   }
+
+  event.preventDefault()
+  event.stopPropagation()
+
+  contextMenuMessage.value = message
+  contextMenuTarget.value = [event.clientX, event.clientY]
+  contextMenuVisible.value = true
+}
+
+const handleContextMenuReply = (message: EntityObject) => {
+  emit('reply', message)
+}
+
+const handleContextMenuForward = (message: EntityObject) => {
+  emit('forward', message)
+}
+
+const handleContextMenuMove = (message: EntityObject) => {
+  emit('move', message)
+}
+
+const handleContextMenuDelete = (message: EntityObject) => {
+  emit('delete', message)
+}
+
+const handleContextMenuFlag = (message: EntityObject, flag: string, value: boolean) => {
+  emit('flag', message, flag, value)
+}
+
+const getContextMenuMessage = (): EntityObject => {
+  return contextMenuMessage.value as EntityObject
 }
 
 const handleTouchStart = (message: EntityObject) => {
@@ -175,9 +225,9 @@ const handleTouchStart = (message: EntityObject) => {
 
   longPressTimer.value = window.setTimeout(() => {
     if (!props.selectionMode) {
-      emit('activateSelectionMode', message)
+      emit('selectionMode', message)
     } else {
-      emit('toggleSelection', message)
+      emit('selectionToggleOne', message)
     }
 
     longPressActivated.value = true
@@ -193,35 +243,31 @@ const handleTouchMove = () => {
   clearLongPressTimer()
 }
 
-onBeforeUnmount(() => {
-  clearLongPressTimer()
-})
-
-const handleSelectAllToggle = (value: boolean | null) => {
-  emit('toggleSelectAll', value === true)
+const clearLongPressTimer = () => {
+  if (longPressTimer.value !== null) {
+    window.clearTimeout(longPressTimer.value)
+    longPressTimer.value = null
+  }
 }
 
-// Sorted messages (newest first)
-const sortedMessages = computed(() => {
-  return [...currentMessages.value].sort((a, b) => {
-    const dateA = a.properties.date ? new Date(a.properties.date).getTime() : 0
-    const dateB = b.properties.date ? new Date(b.properties.date).getTime() : 0
-    return dateB - dateA
-  })
-})
+const handleFlag = (flag: string, value: boolean) => {
+  if (props.selectionMode && selectionCount.value > 0) {
+    emit('selectionFlag', flag, value)
+  }
+}
 
-// Read/Unread counts from collection properties
-const unreadCount = computed(() => {
-  return props.selectedCollection?.properties.unread ?? 0
-})
+const handleRecipientClick = (message: EntityObject) => {
+  if (props.selectionMode) {
+    emit('selectionToggleOne', message)
+    return
+  }
 
-const totalCount = computed(() => {
-  return props.selectedCollection?.properties.total ?? 0
-})
+  emit('open', message)
+}
 
-// True only when the collection explicitly provides total/unread counts
-const hasCountData = computed(() => {
-  return props.selectedCollection?.properties.total != null
+
+onBeforeUnmount(() => {
+  clearLongPressTimer()
 })
 </script>
 
@@ -230,12 +276,12 @@ const hasCountData = computed(() => {
     <!-- Header with folder name and counts -->
     <div v-if="selectedCollection" class="message-list-header">
       <div class="message-list-heading">
-        <h2 class="text-h6">{{ selectedCollection.properties.label || 'Folder' }}</h2>
+        <h2 class="text-h6">{{ selectedCollection?.properties.label || 'Folder' }}</h2>
         <div class="folder-counts text-caption text-medium-emphasis">
-          <span v-if="hasCountData">
-            <span class="unread-count">{{ unreadCount }}</span>
+          <span v-if="selectedCollection?.properties.total != null">
+            <span class="unread-count">{{ selectedCollection?.properties.unread ?? 0 }}</span>
             <span class="mx-1">/</span>
-            <span>{{ totalCount }}</span>
+            <span>{{ selectedCollection?.properties.total ?? 0 }}</span>
           </span>
           <span v-else-if="messages.length > 0">
             {{ messages.length }} loaded
@@ -246,15 +292,12 @@ const hasCountData = computed(() => {
       <div v-if="selectionMode && messages.length > 0" class="selection-summary">
         <div class="selection-controls">
           <v-checkbox-btn
-            :model-value="allCurrentMessagesSelected"
-            :indeterminate="hasSelection && !allCurrentMessagesSelected"
+            :model-value="selectionCount !== 0"
+            :indeterminate="selectionCount > 0 && selectionCount !== messages.length"
             density="compact"
             hide-details
-            @update:model-value="handleSelectAllToggle"
+            @update:model-value="handleSelectionToggleAll"
           />
-          <span class="text-caption text-medium-emphasis">
-            {{ selectionCount > 0 ? `${selectionCount} selected` : 'Select all loaded' }}
-          </span>
         </div>
 
         <div class="selection-actions">
@@ -262,8 +305,8 @@ const hasCountData = computed(() => {
             size="small"
             icon="mdi-folder-move-outline"
             variant="text"
-            :disabled="!hasSelection"
-            @click="emit('moveSelection')"
+            :disabled="selectionCount === 0"
+            @click="emit('selectionMove')"
           >
             <v-icon>mdi-folder-move-outline</v-icon>
             <v-tooltip activator="parent" location="bottom">Move Selected</v-tooltip>
@@ -272,18 +315,37 @@ const hasCountData = computed(() => {
             size="small"
             icon="mdi-delete-outline"
             variant="text"
-            :disabled="!hasSelection"
-            @click="emit('deleteSelection')"
+            :disabled="selectionCount === 0"
+            @click="emit('selectionDelete')"
           >
             <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-email-open-outline"
+            variant="text"
+            :disabled="selectionCount === 0"
+            @click="handleFlag('read', true)"
+          >
+            <v-icon>mdi-email-open-outline</v-icon>
+            <v-tooltip activator="parent" location="bottom">Mark as Read</v-tooltip>
+          </v-btn>
+          <v-btn
+            size="small"
+            icon="mdi-email-outline"
+            variant="text"
+            :disabled="selectionCount === 0"
+            @click="handleFlag('read', false)"
+          >
+            <v-icon>mdi-email-outline</v-icon>
+            <v-tooltip activator="parent" location="bottom">Mark as Unread</v-tooltip>
+          </v-btn>
           <v-btn
             size="small"
             icon="mdi-close"
             variant="text"
-            :disabled="!hasSelection"
-            @click="emit('clearSelection')"
+            @click="emit('selectionClear')"
           >
             <v-icon>mdi-close</v-icon>
             <v-tooltip activator="parent" location="bottom">Clear Selected</v-tooltip>
@@ -303,7 +365,7 @@ const hasCountData = computed(() => {
     </div>
 
     <!-- Empty state -->
-    <div v-else-if="currentMessages.length === 0" class="pa-8 text-center">
+    <div v-else-if="messages.length === 0" class="pa-8 text-center">
       <v-icon size="64" color="grey-lighten-1">mdi-email-outline</v-icon>
       <div class="text-h6 mt-4 text-medium-emphasis">No messages</div>
       <div class="text-body-2 text-medium-emphasis">
@@ -320,16 +382,17 @@ const hasCountData = computed(() => {
     >
       <template v-slot:default="{ item: message }">
         <v-list-item
-          :key="`${message.provider}:${message.service}:${message.collection}:${message.identifier}`"
+          :key="message.identifier"
           class="message-item"
           :class="{
             'opened': isOpened(message),
             'selected': isSelected(message),
             'selection-mode': selectionMode,
-            'unread': isUnread(message)
+            'unread': !message.properties.isRead
           }"
-          @mousedown="handleMessageMouseDown($event, message)"
-          @click="handleMessageMouseClick($event, message)"
+          @mousedown="handleMouseDown($event, message)"
+          @click="handleMouseClick($event, message)"
+          @contextmenu="openContextMenu($event, message)"
           @touchstart.passive="handleTouchStart(message)"
           @touchend="handleTouchEnd"
           @touchcancel="handleTouchEnd"
@@ -344,7 +407,7 @@ const hasCountData = computed(() => {
                 density="compact"
                 hide-details
                 @click.stop
-                @update:model-value="handleSelectionToggle(message)"
+                @update:model-value="handleSelectionToggleOne(message)"
               />
 
               <v-avatar size="40" color="primary">
@@ -357,10 +420,17 @@ const hasCountData = computed(() => {
 
           <v-list-item-title class="d-flex align-center">
             <span class="flex-grow-1 text-truncate">
-              {{ message.properties.from?.label || message.properties.from?.address || 'Unknown Sender' }}
+              <RecipientDetails
+                :address="message.properties.from"
+                @clicked="handleRecipientClick(message)"
+              >
+                <template #default="{ label }">
+                  <span class="message-person-link text-truncate">{{ label }}</span>
+                </template>
+              </RecipientDetails>
             </span>
             <span class="text-caption text-medium-emphasis ml-2">
-              {{ formatDate(message.properties.date) }}
+              {{ formatDate(timeStamp(message)) }}
             </span>
           </v-list-item-title>
 
@@ -369,32 +439,56 @@ const hasCountData = computed(() => {
           </v-list-item-subtitle>
 
           <v-list-item-subtitle class="text-caption text-truncate">
-            {{ truncate(message.properties.snippet, 80) }}
+            {{ '' }}
           </v-list-item-subtitle>
 
           <template v-slot:append>
-            <div class="d-flex flex-column align-center">
-              <v-icon 
-                v-if="isFlagged(message)"
-                size="small"
-                color="warning"
-                class="mb-1"
-              >
-                mdi-star
-              </v-icon>
-              <v-icon 
-                v-if="message.properties.attachments && message.properties.attachments.length > 0"
-                size="small"
-                color="grey"
-              >
-                mdi-paperclip
-              </v-icon>
+            <div class="message-item-append">
+              <div class="d-flex flex-column align-center">
+                <v-icon 
+                  v-if="message.properties.isFlagged"
+                  size="small"
+                  color="warning"
+                  class="mb-1"
+                >
+                  mdi-star
+                </v-icon>
+                <v-icon 
+                  v-if="message.properties.hasAttachments"
+                  size="small"
+                  color="grey"
+                >
+                  mdi-paperclip
+                </v-icon>
+              </div>
+
+              <MessageListItemMenu
+                :message="message"
+                @reply="handleContextMenuReply"
+                @forward="handleContextMenuForward"
+                @move="handleContextMenuMove"
+                @delete="handleContextMenuDelete"
+                @flag="handleContextMenuFlag"
+              />
             </div>
           </template>
         </v-list-item>
         <v-divider />
       </template>
     </v-virtual-scroll>
+
+    <MessageListItemMenu
+      v-if="contextMenuMessage"
+      v-model="contextMenuVisible"
+      :message="getContextMenuMessage()"
+      :target="contextMenuTarget"
+      :show-activator="false"
+      @reply="handleContextMenuReply"
+      @forward="handleContextMenuForward"
+      @move="handleContextMenuMove"
+      @delete="handleContextMenuDelete"
+      @flag="handleContextMenuFlag"
+    />
   </div>
 </template>
 
@@ -479,6 +573,31 @@ const hasCountData = computed(() => {
   min-width: 72px;
 }
 
+.message-item-append {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+@media (hover: hover) {
+  .message-item :deep(.message-item-menu-trigger) {
+    opacity: 0;
+    visibility: hidden;
+    pointer-events: none;
+    transition: opacity 0.2s ease, visibility 0.2s ease;
+  }
+
+  .message-item:hover :deep(.message-item-menu-trigger),
+  .message-item:focus-within :deep(.message-item-menu-trigger),
+  .message-item.opened :deep(.message-item-menu-trigger),
+  .message-item.selected :deep(.message-item-menu-trigger),
+  .message-item :deep(.message-item-menu-trigger[aria-expanded='true']) {
+    opacity: 1;
+    visibility: visible;
+    pointer-events: auto;
+  }
+}
+
 .message-item:hover {
   background-color: rgba(var(--v-theme-on-surface), 0.04);
 }
@@ -497,6 +616,33 @@ const hasCountData = computed(() => {
   :deep(.v-list-item-subtitle:first-of-type) {
     font-weight: 600;
   }
+
+  :deep(.v-list-item-title),
+  :deep(.v-list-item-subtitle:first-of-type),
+  :deep(.v-list-item-title .text-caption) {
+    color: rgb(var(--v-theme-on-surface));
+  }
+}
+
+.message-item.unread:hover {
+  background-color: rgba(var(--v-theme-primary), 0.1);
+}
+
+.message-item.unread.selected:not(.opened) {
+  background-color: rgba(var(--v-theme-primary), 0.14);
+}
+
+.message-person-link {
+  display: inline-block;
+  max-width: 100%;
+  border-radius: 4px;
+  padding: 1px 4px;
+  margin: -1px -4px;
+  transition: background-color 0.2s ease;
+}
+
+.message-person-link:hover {
+  background-color: rgba(var(--v-theme-primary), 0.08);
 }
 
 @media (max-width: 960px) {

src/components/MessageListItemMenu.vue

@@ -0,0 +1,138 @@
+<script setup lang="ts">
+import { computed, getCurrentInstance, ref } from 'vue'
+import type { EntityObject } from '@MailManager/models'
+
+interface Props {
+  message: EntityObject
+  modelValue?: boolean
+  target?: [number, number] | undefined
+  showActivator?: boolean
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  target: undefined,
+  showActivator: true,
+})
+
+const emit = defineEmits<{
+  'update:modelValue': [value: boolean]
+  reply: [message: EntityObject]
+  forward: [message: EntityObject]
+  move: [message: EntityObject]
+  delete: [message: EntityObject]
+  flag: [message: EntityObject, flag: string, value: boolean]
+}>()
+
+const isRead = computed(() => props.message.properties.isRead === true)
+const isFlagged = computed(() => props.message.properties.isFlagged === true)
+const localIsOpen = ref(false)
+const instance = getCurrentInstance()
+const isControlled = computed(() => {
+  const vnodeProps = instance?.vnode.props ?? {}
+
+  return Object.prototype.hasOwnProperty.call(vnodeProps, 'modelValue')
+    || Object.prototype.hasOwnProperty.call(vnodeProps, 'onUpdate:modelValue')
+})
+
+const isOpen = computed({
+  get: () => (isControlled.value ? props.modelValue ?? false : localIsOpen.value),
+  set: (value: boolean) => {
+    if (!isControlled.value) {
+      localIsOpen.value = value
+    }
+
+    emit('update:modelValue', value)
+  },
+})
+
+const handleFlag = (flag: string, value: boolean) => {
+  emit('flag', props.message, flag, value)
+  isOpen.value = false
+}
+
+const handleReply = () => {
+  emit('reply', props.message)
+  isOpen.value = false
+}
+
+const handleForward = () => {
+  emit('forward', props.message)
+  isOpen.value = false
+}
+
+const handleMove = () => {
+  emit('move', props.message)
+  isOpen.value = false
+}
+
+const handleDelete = () => {
+  emit('delete', props.message)
+  isOpen.value = false
+}
+</script>
+
+<template>
+  <v-menu
+    v-model="isOpen"
+    :target="target"
+    :absolute="target !== undefined"
+    :close-on-content-click="true"
+    location="bottom end"
+    content-class="message-item-menu-content"
+  >
+    <template v-if="showActivator" #activator="{ props: menuProps }">
+      <v-btn
+        v-bind="menuProps"
+        class="message-item-menu-trigger"
+        icon="mdi-dots-vertical"
+        size="small"
+        variant="text"
+        @click.stop
+        @mousedown.stop
+      >
+        <v-icon>mdi-dots-vertical</v-icon>
+        <v-tooltip activator="parent" location="bottom">More Actions</v-tooltip>
+      </v-btn>
+    </template>
+
+    <v-list class="message-item-menu" density="compact" min-width="220">
+      <v-list-item
+        :prepend-icon="isRead ? 'mdi-email-outline' : 'mdi-email-open-outline'"
+        @click="handleFlag('read', !isRead)"
+      >
+        <v-list-item-title>
+          {{ isRead ? 'Mark as unread' : 'Mark as read' }}
+        </v-list-item-title>
+      </v-list-item>
+
+      <v-list-item
+        :prepend-icon="isFlagged ? 'mdi-star' : 'mdi-star-outline'"
+        @click="handleFlag('flagged', !isFlagged)"
+      >
+        <v-list-item-title>
+          {{ isFlagged ? 'Unstar' : 'Star' }}
+        </v-list-item-title>
+      </v-list-item>
+
+      <v-divider class="my-1" />
+
+      <v-list-item prepend-icon="mdi-folder-move-outline" @click="handleMove">
+        <v-list-item-title>Move to...</v-list-item-title>
+      </v-list-item>
+
+      <v-list-item prepend-icon="mdi-reply" @click="handleReply">
+        <v-list-item-title>Reply</v-list-item-title>
+      </v-list-item>
+
+      <v-list-item prepend-icon="mdi-share" @click="handleForward">
+        <v-list-item-title>Forward</v-list-item-title>
+      </v-list-item>
+
+      <v-divider class="my-1" />
+
+      <v-list-item prepend-icon="mdi-delete-outline" @click="handleDelete">
+        <v-list-item-title>Delete</v-list-item-title>
+      </v-list-item>
+    </v-list>
+  </v-menu>
+</template>

src/components/MessageReader.vue

@@ -3,6 +3,7 @@ import { computed, ref, watch } from 'vue'
 import { useUser } from '@KTXC'
 import type { EntityObject, MessageObject } from '@MailManager/models'
 import { SecurityLevel } from '@/utile/emailSanitizer'
+import { useMailStore } from '@/stores/mailStore'
 import ReaderEmpty from './reader/ReaderEmpty.vue'
 import ReaderToolbar from './reader/ReaderToolbar.vue'
 import ReaderHeader from './reader/ReaderHeader.vue'
@@ -25,6 +26,7 @@ const emit = defineEmits<{
 
 // User settings
 const { getSetting } = useUser()
+const mailStore = useMailStore()
 
 // Per-message overrides
 const allowImages = ref(false)
@@ -94,6 +96,14 @@ const handleMove = () => {
   }
 }
 
+const handleDownload = async (partIndex?: number) => {
+  if (!props.entity) {
+    return
+  }
+
+  await mailStore.downloadMessage(props.entity, partIndex)
+}
+
 const handleFlag = () => {
   if (props.entity) {
     emit('flag', props.entity)
@@ -125,13 +135,17 @@ const handleCompose = () => {
         @move="handleMove"
         @delete="handleDelete"
         @flag="handleFlag"
+        @download="handleDownload()"
         @toggle-images="toggleImages"
         @set-security-level="setSecurityLevel"
       />
 
       <!-- Message content -->
       <div class="message-content">
-        <ReaderHeader :message="message!" />
+        <ReaderHeader
+          :entity="props.entity"
+          @download-attachment="handleDownload"
+        />
         
         <v-divider />
         

src/components/RenameFolderDialog.vue

@@ -1,7 +1,5 @@
 <script setup lang="ts">
 import { ref, computed, watch } from 'vue'
-import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
-import { CollectionPropertiesObject } from '@MailManager/models/collection'
 import type { CollectionObject } from '@MailManager/models/collection'
 import type { ServiceObject } from '@MailManager/models'
 
@@ -9,23 +7,25 @@ interface Props {
   modelValue: boolean
   service: ServiceObject
   folder: CollectionObject
-  allFolders?: CollectionObject[]
+  parentFolderLabel?: string
+  validateName?: (name: string) => string[]
+  loading?: boolean
+  errorMessage?: string
 }
 
 const props = withDefaults(defineProps<Props>(), {
-  allFolders: () => []
+  parentFolderLabel: 'Root',
+  validateName: () => [],
+  loading: false,
+  errorMessage: '',
 })
 
 const emit = defineEmits<{
   'update:modelValue': [value: boolean]
-  updated: [folder: CollectionObject]
+  confirm: [folderName: string]
 }>()
 
-const collectionsStore = useCollectionsStore()
-
 const folderName = ref('')
-const loading = ref(false)
-const errorMessage = ref('')
 const validationErrors = ref<string[]>([])
 
 const dialogValue = computed({
@@ -37,74 +37,13 @@ const isValid = computed(() => {
   return folderName.value.trim().length > 0 && validationErrors.value.length === 0
 })
 
-const parentFolderLabel = computed(() => {
-  const parentId = props.folder.collection
-  if (parentId === null || parentId === undefined) return 'Root'
-
-  const parent = props.allFolders.find(
-    f =>
-      String(f.identifier) === String(parentId) &&
-      f.provider === props.folder.provider &&
-      String(f.service) === String(props.folder.service)
-  )
-
-  return parent?.properties.label || 'Root'
-})
-
-const validateFolderName = (name: string): string[] => {
-  const errors: string[] = []
-
-  if (!name || name.trim().length === 0) {
-    errors.push('Folder name is required')
-    return errors
-  }
-
-  if (name.length > 255) {
-    errors.push('Folder name too long (max 255 characters)')
-  }
-
-  if (/[<>:"|?*\x00-\x1F]/.test(name)) {
-    errors.push('Folder name contains invalid characters')
-  }
-
-  if (props.service.provider === 'imap' && /[\/\\]/.test(name)) {
-    errors.push('IMAP folder names cannot contain / or \\')
-  }
-
-  if (name !== name.trim()) {
-    errors.push('Folder name cannot have leading or trailing spaces')
-  }
-
-  return errors
-}
-
-const checkDuplicateName = (name: string): boolean => {
-  const parentId = props.folder.collection ?? null
-  return props.allFolders.some(f => {
-    if (String(f.identifier) === String(props.folder.identifier)) return false
-    return (
-      f.properties.label === name &&
-      String(f.collection) === String(parentId) &&
-      f.provider === props.folder.provider &&
-      String(f.service) === String(props.folder.service)
-    )
-  })
-}
-
 watch(folderName, (newName) => {
-  errorMessage.value = ''
-  validationErrors.value = validateFolderName(newName)
-
-  if (validationErrors.value.length === 0 && newName.trim().length > 0 && checkDuplicateName(newName)) {
-    validationErrors.value.push('A folder with this name already exists in this location')
-  }
+  validationErrors.value = props.validateName(newName)
 })
 
 function resetForm() {
   folderName.value = props.folder.properties.label || ''
-  errorMessage.value = ''
   validationErrors.value = []
-  loading.value = false
 }
 
 watch(dialogValue, (isOpen) => {
@@ -114,54 +53,27 @@ watch(dialogValue, (isOpen) => {
 }, { immediate: true })
 
 const handleRename = async () => {
-  const errors = validateFolderName(folderName.value)
+  const errors = props.validateName(folderName.value)
+
   if (errors.length > 0) {
     validationErrors.value = errors
     return
   }
 
-  if (checkDuplicateName(folderName.value)) {
-    validationErrors.value = ['A folder with this name already exists in this location']
-    return
-  }
-
   const newName = folderName.value.trim()
   if (newName === props.folder.properties.label) {
     dialogValue.value = false
     return
   }
 
-  loading.value = true
-  errorMessage.value = ''
-
-  try {
-    const properties = new CollectionPropertiesObject()
-    properties.label = newName
-    properties.rank = props.folder.properties.rank ?? 0
-    properties.subscribed = props.folder.properties.subscribed ?? true
-
-    const updatedFolder = await collectionsStore.update(
-      props.folder.provider,
-      props.folder.service,
-      props.folder.identifier,
-      properties
-    )
-
-    emit('updated', updatedFolder)
-    dialogValue.value = false
-    resetForm()
-  } catch (error: any) {
-    console.error('[RenameFolderDialog] Failed to rename folder:', error)
-    errorMessage.value = error.message || 'Failed to rename folder. Please try again.'
-  } finally {
-    loading.value = false
-  }
+  emit('confirm', newName)
 }
 
 const handleCancel = () => {
   dialogValue.value = false
   resetForm()
 }
+
 </script>
 
 <template>

src/components/common/RecipientDetails.vue

@@ -0,0 +1,192 @@
+<script setup lang="ts">
+import { computed } from 'vue'
+import { useSnackbar } from '@KTXC'
+import type { MessageAddressInterface } from '@MailManager/types/message'
+import { useMailUiStore } from '@/stores/mailUiStore'
+import { ComposerMode } from '@/types/composer'
+
+interface Props {
+  address?: MessageAddressInterface | null
+}
+
+const props = defineProps<Props>()
+
+// Emits
+const emit = defineEmits<{
+  clicked: []
+}>()
+
+const mailUiStore = useMailUiStore()
+const { showSnackbar } = useSnackbar()
+
+const recipientLabel = computed(() => props.address?.label?.trim() || '')
+const recipientAddress = computed(() => props.address?.address?.trim() || '')
+const displayLabel = computed(() => recipientLabel.value || recipientAddress.value || 'Unknown Sender')
+const formattedAddress = computed(() => {
+  if (recipientLabel.value && recipientAddress.value && recipientLabel.value !== recipientAddress.value) {
+    return `${recipientLabel.value} <${recipientAddress.value}>`
+  }
+
+  return recipientAddress.value || recipientLabel.value
+})
+const hasEmail = computed(() => recipientAddress.value.length > 0)
+
+const showCopyResult = (message: string, color: 'success' | 'error') => {
+  showSnackbar({ message, color })
+}
+
+const copy = async (value: string, label: string) => {
+  if (!value) {
+    return
+  }
+
+  try {
+    await navigator.clipboard.writeText(value)
+    showCopyResult(`${label} copied`, 'success')
+  } catch (error) {
+    console.error('[Mail][RecipientDetails] Failed to copy text:', error)
+    showCopyResult(`Unable to copy ${label.toLowerCase()}`, 'error')
+  }
+}
+
+const handleCompose = () => {
+  if (!props.address) {
+    return
+  }
+
+  mailUiStore.openComposer(props.address, ComposerMode.Fresh)
+}
+
+const handleClick = () => {
+  emit('clicked')
+}
+</script>
+
+<template>
+  <v-menu
+    :open-on-hover="true"
+    :open-on-click="false"
+    :open-delay="1000"
+    location="bottom start"
+    transition="slide-y-transition"
+  >
+    <template #activator="{ props: activatorProps }">
+      <span
+        v-bind="activatorProps"
+        class="address-activator"
+        @click="handleClick"
+      >
+        <slot
+          :label="displayLabel"
+          :name="recipientLabel"
+          :email="recipientAddress"
+        >
+          {{ displayLabel }}
+        </slot>
+      </span>
+    </template>
+
+    <v-card class="address-card" elevation="8" rounded="lg">
+      <div class="address-card-header">
+        <v-avatar size="40" color="primary">
+          <span class="text-white text-subtitle-2">
+            {{ displayLabel[0]?.toUpperCase() || 'U' }}
+          </span>
+        </v-avatar>
+
+        <div class="address-card-meta">
+          <div class="text-subtitle-2 font-weight-medium">{{ displayLabel }}</div>
+          <div v-if="recipientAddress" class="text-body-2 text-medium-emphasis">{{ recipientAddress }}</div>
+        </div>
+      </div>
+
+      <v-divider class="my-3" />
+
+      <div class="address-card-actions">
+        <v-btn
+          class="address-action-button"
+          size="small"
+          variant="tonal"
+          prepend-icon="mdi-pencil"
+          :disabled="!hasEmail"
+          @click="handleCompose"
+        >
+          Send Email
+        </v-btn>
+        <v-btn
+          class="address-action-button"
+          size="small"
+          variant="text"
+          :disabled="!hasEmail"
+          @click="copy(recipientAddress, 'Email address')"
+        >
+          <v-icon>mdi-content-copy</v-icon>
+          <v-tooltip activator="parent" location="bottom">Copy Email</v-tooltip>
+        </v-btn>
+        <v-btn
+          class="address-action-button"
+          size="small"
+          variant="text"
+          :disabled="!formattedAddress"
+          @click="copy(formattedAddress, 'Address')"
+        >
+          <v-icon>mdi-card-account-details-outline</v-icon>
+          <v-tooltip activator="parent" location="bottom">Copy Address</v-tooltip>
+        </v-btn>
+        <v-btn
+          v-if="recipientLabel"
+          class="address-action-button"
+          size="small"
+          variant="text"
+          @click="copy(recipientLabel, 'Name')"
+        >
+          <v-icon>mdi-account-outline</v-icon>
+          <v-tooltip activator="parent" location="bottom">Copy Name</v-tooltip>
+        </v-btn>
+      </div>
+    </v-card>
+  </v-menu>
+</template>
+
+<style scoped lang="scss">
+.address-activator {
+  display: inline-flex;
+  align-items: center;
+  max-width: 100%;
+}
+
+.address-card {
+  width: min(320px, calc(100vw - 32px));
+  padding: 16px;
+}
+
+.address-card-header {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.address-card-meta {
+  min-width: 0;
+}
+
+.address-card-actions {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.address-card-actions :deep(.address-action-button) {
+  height: 36px;
+  min-height: 36px;
+  width: 36px;
+  min-width: 36px;
+  padding: 0;
+}
+
+.address-card-actions :deep(.address-action-button:first-child) {
+  width: auto;
+  min-width: 0;
+  padding-inline: 12px;
+}
+</style>

src/components/composer/ComposerEditor.vue

@@ -0,0 +1,184 @@
+<script setup lang="ts">
+import type { PropType } from 'vue'
+import { EditorContent, type Editor } from '@tiptap/vue-3'
+
+defineProps({
+  editor: {
+    type: Object as PropType<Editor | null>,
+    default: null,
+  },
+  isBoldActive: {
+    type: Boolean,
+    required: true,
+  },
+  isItalicActive: {
+    type: Boolean,
+    required: true,
+  },
+  isUnderlineActive: {
+    type: Boolean,
+    required: true,
+  },
+  isBulletListActive: {
+    type: Boolean,
+    required: true,
+  },
+  isOrderedListActive: {
+    type: Boolean,
+    required: true,
+  },
+  isLinkActive: {
+    type: Boolean,
+    required: true,
+  },
+})
+
+defineEmits<{
+  bold: []
+  italic: []
+  underline: []
+  bulletList: []
+  orderedList: []
+  link: []
+}>()
+</script>
+
+<template>
+  <v-toolbar density="compact" elevation="0" class="editor-toolbar">
+    <v-btn
+      icon
+      size="small"
+      :class="{ 'v-btn--active': isBoldActive }"
+      @click="$emit('bold')"
+    >
+      <v-icon>mdi-format-bold</v-icon>
+      <v-tooltip activator="parent" location="bottom">Bold</v-tooltip>
+    </v-btn>
+
+    <v-btn
+      icon
+      size="small"
+      :class="{ 'v-btn--active': isItalicActive }"
+      @click="$emit('italic')"
+    >
+      <v-icon>mdi-format-italic</v-icon>
+      <v-tooltip activator="parent" location="bottom">Italic</v-tooltip>
+    </v-btn>
+
+    <v-btn
+      icon
+      size="small"
+      :class="{ 'v-btn--active': isUnderlineActive }"
+      @click="$emit('underline')"
+    >
+      <v-icon>mdi-format-underline</v-icon>
+      <v-tooltip activator="parent" location="bottom">Underline</v-tooltip>
+    </v-btn>
+
+    <v-divider vertical class="mx-2" />
+
+    <v-btn
+      icon
+      size="small"
+      :class="{ 'v-btn--active': isBulletListActive }"
+      @click="$emit('bulletList')"
+    >
+      <v-icon>mdi-format-list-bulleted</v-icon>
+      <v-tooltip activator="parent" location="bottom">Bullet List</v-tooltip>
+    </v-btn>
+
+    <v-btn
+      icon
+      size="small"
+      :class="{ 'v-btn--active': isOrderedListActive }"
+      @click="$emit('orderedList')"
+    >
+      <v-icon>mdi-format-list-numbered</v-icon>
+      <v-tooltip activator="parent" location="bottom">Numbered List</v-tooltip>
+    </v-btn>
+
+    <v-divider vertical class="mx-2" />
+
+    <v-btn
+      icon
+      size="small"
+      :class="{ 'v-btn--active': isLinkActive }"
+      @click="$emit('link')"
+    >
+      <v-icon>mdi-link</v-icon>
+      <v-tooltip activator="parent" location="bottom">Link</v-tooltip>
+    </v-btn>
+
+    <v-spacer />
+
+    <v-btn icon size="small">
+      <v-icon>mdi-paperclip</v-icon>
+      <v-tooltip activator="parent" location="bottom">Attach Files</v-tooltip>
+    </v-btn>
+  </v-toolbar>
+
+  <v-divider />
+
+  <div class="editor-container">
+    <EditorContent :editor="editor" />
+  </div>
+</template>
+
+<style scoped lang="scss">
+.editor-toolbar {
+  flex-shrink: 0;
+  border-bottom: 1px solid rgb(var(--v-border-color));
+}
+
+.editor-container {
+  flex: 1;
+  overflow-y: auto;
+  background-color: rgb(var(--v-theme-background));
+}
+
+.v-btn--active {
+  background-color: rgba(var(--v-theme-primary), 0.12);
+  color: rgb(var(--v-theme-primary));
+}
+
+:deep(.tiptap-editor) {
+  outline: none;
+  min-height: 300px;
+
+  p.is-editor-empty:first-child::before {
+    color: rgb(var(--v-theme-on-surface-variant));
+    content: attr(data-placeholder);
+    float: left;
+    height: 0;
+    pointer-events: none;
+  }
+
+  h1, h2, h3, h4, h5, h6 {
+    line-height: 1.3;
+    margin-top: 1em;
+    margin-bottom: 0.5em;
+  }
+
+  p {
+    margin-bottom: 0.5em;
+  }
+
+  ul, ol {
+    padding-left: 1.5em;
+    margin-bottom: 0.5em;
+  }
+
+  blockquote {
+    border-left: 3px solid rgb(var(--v-border-color));
+    padding-left: 1em;
+    margin-left: 0;
+    margin-bottom: 0.5em;
+    color: rgb(var(--v-theme-on-surface-variant));
+  }
+
+  a {
+    color: rgb(var(--v-theme-primary));
+    text-decoration: underline;
+  }
+}
+</style>

src/components/composer/ComposerRecipients.vue

@@ -0,0 +1,95 @@
+<script setup lang="ts">
+interface Props {
+  to: string[]
+  cc: string[]
+  bcc: string[]
+  subject: string
+  showCc: boolean
+  showBcc: boolean
+}
+
+defineProps<Props>()
+
+defineEmits<{
+  'update:to': [value: string[]]
+  'update:cc': [value: string[]]
+  'update:bcc': [value: string[]]
+  'update:subject': [value: string]
+  'toggle:cc': []
+  'toggle:bcc': []
+}>()
+</script>
+
+<template>
+  <div class="composer-fields pa-4">
+    <v-combobox
+      :model-value="to"
+      label="To"
+      chips
+      multiple
+      closable-chips
+      variant="outlined"
+      density="compact"
+      class="mb-2"
+      @update:model-value="$emit('update:to', $event)"
+    >
+      <template #append-inner>
+        <v-btn
+          size="x-small"
+          variant="text"
+          class="mr-1"
+          @click="$emit('toggle:cc')"
+        >
+          Cc
+        </v-btn>
+        <v-btn
+          size="x-small"
+          variant="text"
+          @click="$emit('toggle:bcc')"
+        >
+          Bcc
+        </v-btn>
+      </template>
+    </v-combobox>
+
+    <v-combobox
+      v-if="showCc"
+      :model-value="cc"
+      label="Cc"
+      chips
+      multiple
+      closable-chips
+      variant="outlined"
+      density="compact"
+      class="mb-2"
+      @update:model-value="$emit('update:cc', $event)"
+    />
+
+    <v-combobox
+      v-if="showBcc"
+      :model-value="bcc"
+      label="Bcc"
+      chips
+      multiple
+      closable-chips
+      variant="outlined"
+      density="compact"
+      class="mb-2"
+      @update:model-value="$emit('update:bcc', $event)"
+    />
+
+    <v-text-field
+      :model-value="subject"
+      label="Subject"
+      variant="outlined"
+      density="compact"
+      @update:model-value="$emit('update:subject', $event)"
+    />
+  </div>
+</template>
+
+<style scoped lang="scss">
+.composer-fields {
+  flex-shrink: 0;
+}
+</style>

src/components/composer/ComposerToolbar.vue

@@ -0,0 +1,57 @@
+<script setup lang="ts">
+import { ComposerMode } from '@/types/composer'
+
+interface Props {
+  mode: ComposerMode
+  saveStatus: string
+  canSend: boolean
+  sending: boolean
+}
+
+defineProps<Props>()
+
+defineEmits<{
+  close: []
+  send: []
+}>()
+</script>
+
+<template>
+  <v-toolbar density="compact" elevation="0" class="composer-toolbar">
+    <v-btn
+      variant="text"
+      icon="mdi-close"
+      @click="$emit('close')"
+    >
+      <v-icon>mdi-close</v-icon>
+      <v-tooltip activator="parent" location="bottom">Close</v-tooltip>
+    </v-btn>
+
+    <v-toolbar-title>
+      {{ mode === ComposerMode.Reply ? 'Reply' : mode === ComposerMode.Forward ? 'Forward' : 'New Message' }}
+    </v-toolbar-title>
+
+    <v-spacer />
+
+    <span v-if="saveStatus" class="text-caption text-medium-emphasis mr-4">
+      {{ saveStatus }}
+    </span>
+
+    <v-btn
+      color="primary"
+      :disabled="!canSend"
+      :loading="sending"
+      prepend-icon="mdi-send"
+      @click="$emit('send')"
+    >
+      Send
+    </v-btn>
+  </v-toolbar>
+</template>
+
+<style scoped lang="scss">
+.composer-toolbar {
+  flex-shrink: 0;
+  border-bottom: 1px solid rgb(var(--v-border-color));
+}
+</style>

src/components/reader/ReaderHeader.vue

@@ -1,12 +1,26 @@
 <script setup lang="ts">
-import { MessageObject } from '@MailManager/models/message'
+import { computed } from 'vue'
+import RecipientDetails from '@/components/common/RecipientDetails.vue'
+import type { EntityObject } from '@MailManager/models';
 
 interface Props {
-  message: MessageObject
+  entity: EntityObject | null
 }
 
 const props = defineProps<Props>()
 
+const emit = defineEmits<{
+  downloadAttachment: [index: number]
+}>()
+
+const message = computed(() => {
+  return props.entity?.properties ?? null
+})
+
+const randomKey = computed(() => {
+  return Math.random().toString(36).substring(2, 15)
+})
+
 // Format date for display
 const formatDate = (date: Date | string | null | undefined): string => {
   if (!date) return ''
@@ -31,6 +45,10 @@ const formatFileSize = (bytes: number | undefined): string => {
   if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB'
   return (bytes / (1024 * 1024)).toFixed(1) + ' MB'
 }
+
+const download = async (index: number): Promise<void> => {
+  emit('downloadAttachment', index)
+}
 </script>
 
 <template>
@@ -46,10 +64,14 @@ const formatFileSize = (bytes: number | undefined): string => {
       
       <div class="flex-grow-1">
         <div class="text-body-1 font-weight-medium">
-          {{ message?.from?.label || message?.from?.address || 'Unknown Sender' }}
+          <RecipientDetails :address="message?.from">
+            <template #default="{ label }">
+              <span class="contact-link">{{ label }}</span>
+            </template>
+          </RecipientDetails>
         </div>
         <div class="text-caption text-medium-emphasis">
-          {{ formatDate(message?.date) }}
+          {{ formatDate(message?.received || message?.sent) }}
         </div>
       </div>
     </div>
@@ -57,12 +79,26 @@ const formatFileSize = (bytes: number | undefined): string => {
     <!-- Recipients -->
     <div v-if="message?.to && message?.to.length > 0" class="text-body-2 mb-1">
       <span class="text-medium-emphasis">To:</span>
-      {{ message?.to.map(t => t.label || t.address).join(', ') }}
+      <template v-for="(recipient, index) in message.to" :key="randomKey">
+        <RecipientDetails :address="recipient">
+          <template #default="{ label }">
+            <span class="contact-link">{{ label }}</span>
+          </template>
+        </RecipientDetails>
+        <span v-if="index < message.to.length - 1">, </span>
+      </template>
     </div>
 
     <div v-if="message?.cc && message?.cc.length > 0" class="text-body-2 mb-1">
       <span class="text-medium-emphasis">Cc:</span>
-      {{ message?.cc.map(c => c.label || c.address).join(', ') }}
+      <template v-for="(recipient, index) in message.cc" :key="randomKey">
+        <RecipientDetails :address="recipient">
+          <template #default="{ label }">
+            <span class="contact-link">{{ label }}</span>
+          </template>
+        </RecipientDetails>
+        <span v-if="index < message.cc.length - 1">, </span>
+      </template>
     </div>
 
     <!-- Attachments -->
@@ -71,19 +107,24 @@ const formatFileSize = (bytes: number | undefined): string => {
         Attachments ({{ message?.attachments.length }})
       </div>
       <div class="d-flex flex-wrap gap-2">
-        <v-chip
+        <div
           v-for="(attachment, index) in message?.attachments"
-          :key="index"
-          prepend-icon="mdi-paperclip"
-          size="small"
-          variant="outlined"
-          class="attachment-chip"
+          :key="randomKey"
+          class="attachment-item"
         >
-          <span class="attachment-name">{{ attachment.name || 'Untitled' }}</span>
-          <span v-if="attachment.size" class="text-caption text-medium-emphasis ml-1">
-            ({{ formatFileSize(attachment.size) }})
-          </span>
-        </v-chip>
+          <v-chip
+            prepend-icon="mdi-paperclip"
+            size="small"
+            variant="outlined"
+            class="attachment-chip"
+            @click="download(index)"
+          >
+            <span class="attachment-name">{{ attachment.name || 'Untitled' }}</span>
+            <span v-if="attachment.size" class="text-caption text-medium-emphasis ml-1">
+              ({{ formatFileSize(attachment.size ?? undefined) }})
+            </span>
+          </v-chip>
+        </div>
       </div>
     </div>
   </div>
@@ -98,8 +139,15 @@ const formatFileSize = (bytes: number | undefined): string => {
   gap: 0.5rem;
 }
 
+.attachment-item {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+}
+
 .attachment-chip {
   max-width: 300px;
+  cursor: pointer;
   
   .attachment-name {
     overflow: hidden;
@@ -107,4 +155,21 @@ const formatFileSize = (bytes: number | undefined): string => {
     white-space: nowrap;
   }
 }
+
+.attachment-error {
+  color: rgb(var(--v-theme-error));
+  margin-top: 0.25rem;
+}
+
+.contact-link {
+  display: inline-block;
+  border-radius: 4px;
+  padding: 1px 4px;
+  margin: -1px -4px;
+  transition: background-color 0.2s ease;
+}
+
+.contact-link:hover {
+  background-color: rgba(var(--v-theme-primary), 0.08);
+}
 </style>

src/components/reader/ReaderToolbar.vue

@@ -17,6 +17,7 @@ const emit = defineEmits<{
   move: []
   delete: []
   flag: []
+  download: []
   toggleImages: []
   setSecurityLevel: [level: SecurityLevel]
 }>()
@@ -161,6 +162,28 @@ const currentSecurityLevel = computed(() => {
       <v-icon>mdi-delete-outline</v-icon>
       <v-tooltip activator="parent" location="bottom">Delete</v-tooltip>
     </v-btn>
+
+    <v-menu>
+      <template #activator="{ props: menuProps }">
+        <v-btn
+          v-bind="menuProps"
+          icon="mdi-dots-vertical"
+          variant="text"
+        >
+          <v-icon>mdi-dots-vertical</v-icon>
+          <v-tooltip activator="parent" location="bottom">More Actions</v-tooltip>
+        </v-btn>
+      </template>
+
+      <v-list density="compact">
+        <v-list-item
+          prepend-icon="mdi-download"
+          @click="emit('download')"
+        >
+          <v-list-item-title>Download</v-list-item-title>
+        </v-list-item>
+      </v-list>
+    </v-menu>
   </v-toolbar>
 </template>
 

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 { useUser } from '@KTXC'
+import { storeToRefs } from 'pinia'
+import { folderViewModeOptions, useMailSettingsStore } from '@/stores/mailSettingsStore'
 
-type FolderViewMode = 'tree' | 'page'
-
-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)
-})
+const mailSettingsStore = useMailSettingsStore()
+const { folderViewMode } = storeToRefs(mailSettingsStore)
 </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="[
-              { value: 'tree', title: 'Tree' },
-              { value: 'page', title: 'Page' }
-            ]"
+            :items="folderViewModeOptions"
             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

@@ -1,17 +1,22 @@
 <script setup lang="ts">
-import { computed, onMounted } from 'vue'
+import { computed, onMounted, unref } from 'vue'
 import { storeToRefs } from 'pinia'
 import { useDisplay } from 'vuetify'
 import { useModuleStore } from '@KTXC'
+import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
 import { useMailStore } from '@/stores/mailStore'
+import { useMailUiStore } from '@/stores/mailUiStore'
 import type { CollectionObject, EntityObject } from '@MailManager/models'
-import type { EntityIdentifier } from '@MailManager/types/common'
-import FolderTree from '@/components/FolderTree.vue'
+import { ComposerMode } from '@/types/composer'
 import MessageList from '@/components/MessageList.vue'
 import MessageReader from '@/components/MessageReader.vue'
 import MessageComposer from '@/components/MessageComposer.vue'
+import CreateFolderDialog from '@/components/CreateFolderDialog.vue'
+import DeleteFolderDialog from '@/components/DeleteFolderDialog.vue'
 import FolderSelectionDialog from '@/components/FolderSelectionDialog.vue'
+import RenameFolderDialog from '@/components/RenameFolderDialog.vue'
 import SettingsDialog from '@/components/settings/SettingsDialog.vue'
+import FolderView from '@/components/FolderView.vue'
 
 // Vuetify display for responsive behavior
 const display = useDisplay()
@@ -19,94 +24,173 @@ const isMobile = computed(() => display.mdAndDown.value)
 
 // Check if mail manager is available
 const moduleStore = useModuleStore()
-const isMailManagerAvailable = computed(() => {
+const isManagerAvailable = computed(() => {
   return moduleStore.has('mail_manager') || moduleStore.has('MailManager')
 })
+const collectionsStore = useCollectionsStore()
 
 // Mail module store
 const mailStore = useMailStore()
+const mailUiStore = useMailUiStore()
 
 // storeToRefs preserves reactivity for state and computed properties
+const {
+  loading,
+  selectedMessage,
+  currentMessages,
+} = storeToRefs(mailStore)
+
 const {
   sidebarVisible,
   settingsDialogVisible,
-  loading,
   selectedFolder,
-  selectedMessage,
+  composerMode,
+  composerSource,
+  composerVisible,
   selectionList,
   selectionMode,
-  composeMode,
-  composeReplyTo,
-  currentMessages,
-  moveDialogVisible,
-  moveDialogCandidates,
-} = storeToRefs(mailStore)
+  moveMessagesDialogVisible,
+  moveMessagesDialogService,
+  createFolderDialogVisible,
+  createFolderDialogService,
+  createFolderDialogLoading,
+  createFolderDialogError,
+  renameFolderDialogVisible,
+  renameFolderDialogService,
+  renameFolderDialogFolder,
+  renameFolderDialogLoading,
+  renameFolderDialogError,
+  moveFolderDialogVisible,
+  moveFolderDialogService,
+  deleteFolderDialogVisible,
+  deleteFolderDialogService,
+  deleteFolderDialogFolder,
+  deleteFolderDialogLoading,
+  deleteFolderDialogError,
+} = storeToRefs(mailUiStore)
 
 // Complex store/composable objects accessed directly (not simple refs)
 const { mailSync, entitiesStore } = mailStore
 
 const lastSyncLabel = computed(() => {
-  if (!mailSync.lastSync) return ''
-  return `(Last: ${new Date(mailSync.lastSync).toLocaleTimeString()})`
+  const lastSync = unref(unref(mailSync.lastSync))
+
+  if (!(lastSync instanceof Date)) return ''
+  return `(Last: ${lastSync.toLocaleTimeString()})`
 })
 
 // Initialize
 onMounted(async () => {
-  if (!isMailManagerAvailable.value) return
-  await mailStore.initialize()
+  if (!isManagerAvailable.value) return
+  await mailUiStore.initialize()
 })
 
 // Handlers — thin wrappers that delegate to the store
-const handleFolderSelect = (folder: CollectionObject) => mailStore.selectFolder(folder)
+const {
+  validateCreateFolderName,
+  validateRenameFolderName,
+} = mailUiStore
 
-const handleMessageOpen = (message: EntityObject) => mailStore.selectMessage(message, isMobile.value)
+const sidebarToggle = () => mailUiStore.sidebarToggle()
 
-const handleMessageSelectionToggle = (message: EntityObject) => mailStore.toggleMessageSelection(message)
+const handleSettingsOpen = () => mailUiStore.settingsOpen()
 
-const handleSelectionModeActivate = (message: EntityObject) => mailStore.activateSelectionMode(message)
+const handleFolderSelect = (folder: CollectionObject) => mailUiStore.selectFolder(folder)
 
-const handleSelectAllToggle = (value: boolean) => {
-  if (value) {
-    mailStore.selectAllCurrentMessages()
-    return
+const handleFolderCreateConfirm = async (folderName: string) => {
+  try {
+    const mutatedFolder = await mailUiStore.confirmCreateFolder(folderName)
+
+    if (mutatedFolder) {
+      handleFolderSelect(mutatedFolder)
+    }
+  } catch (error: unknown) {
+    console.error('[MailPage] Failed to create folder:', error)
   }
-
-  mailStore.clearSelection()
 }
 
-const handleSelectionClear = () => mailStore.deactivateSelectionMode()
+const handleFolderEditConfirm = async (folderName: string) => {
+  try {
+    const mutatedFolder = await mailUiStore.confirmRenameFolder(folderName)
 
-const handleSelectionMove = () => mailStore.openMoveDialog()
-
-const handleSelectionDelete = () => mailStore.deleteMessages([...selectionList.value])
-
-const handleCompose = (message?: EntityObject) => mailStore.openCompose(message)
-
-const handleComposeClose = () => mailStore.closeCompose()
-
-const handleComposeSent = () => mailStore.afterSent()
-
-const handleDelete = (message: EntityObject) => {
-  const id = `${message.provider}:${String(message.service)}:${String(message.collection)}:${String(message.identifier)}` as EntityIdentifier
-  mailStore.deleteMessages([id])
+    if (mutatedFolder) {
+      handleFolderSelect(mutatedFolder)
+    }
+  } catch (error: unknown) {
+    console.error('[MailPage] Failed to rename folder:', error)
+  }
 }
 
-const handleMove = (message: EntityObject) => mailStore.openMoveDialog(message)
+const handleFolderDeleteConfirm = async () => {
+  try {
+    await mailUiStore.confirmDeleteFolder()
+  } catch (error: unknown) {
+    console.error('[MailPage] Failed to delete folder:', error)
+  }
+}
 
-const handleMoveConfirm = async (target: CollectionObject) => { await mailStore.moveMessages(target, moveDialogCandidates.value ?? []) }
+const handleFolderMoveConfirm = async (targetFolder: CollectionObject) => {
+  try {
+    await mailUiStore.confirmMoveFolder(targetFolder)
+  } catch (error: unknown) {
+    console.error('[MailPage] Failed to move folder:', error)
+  }
+}
 
-const handleMoveCancel = () => mailStore.closeMoveDialog()
+const handleFolderMoveCancel = () => mailUiStore.closeMoveFolderDialog()
 
-const toggleSidebar = () => mailStore.toggleSidebar()
 
-const handleSettingsOpen = () => mailStore.openSettings()
+const handleMessageOpen = (message: EntityObject) => {
+  mailStore.selectMessage(message)
+
+  if (isMobile.value) {
+    mailUiStore.sidebarHide()
+  }
+}
+
+const handleMessageComposeFresh = () => mailUiStore.openComposer()
+
+const handleMessageComposeReply = (message: EntityObject) => mailUiStore.openComposer(message, ComposerMode.Reply)
+
+const handleMessageComposeForward = (message: EntityObject) => mailUiStore.openComposer(message, ComposerMode.Forward)
+
+const handleMessageComposeClose = () => mailUiStore.closeComposer()
+
+const handleMessageFlag = (message: EntityObject, flag: string, value: boolean) => {
+  mailStore.flagMessages([message.identifier], { [flag]: value })
+}
+
+const handleMessageDelete = (message: EntityObject) => {
+  mailStore.deleteMessages([message.identifier])
+}
+
+const handleMessageMove = (message: EntityObject) => mailUiStore.openMoveMessagesDialog(message)
+
+const handleMessageMoveConfirm = async (target: CollectionObject) => { await mailUiStore.confirmMoveMessages(target) }
+
+const handleMessageMoveCancel = () => mailUiStore.closeMoveMessagesDialog()
+
+const handleMessageSelectionMode = (message: EntityObject) => mailUiStore.messageSelectionModeActivate(message)
+
+const handleMessageSelectionToggleOne = (message: EntityObject) => mailUiStore.messageSelectionToggleOne(message)
+
+const handleMessageSelectionToggleAll = (value: boolean) => {
+  mailUiStore.messageSelectionToggleAll(value)
+}
+
+const handleMessageSelectionClear = () => mailUiStore.messageSelectionModeDeactivate()
+
+const handleMessageSelectionMove = () => mailUiStore.openMoveMessagesDialog()
+
+const handleMessageSelectionFlag = (flag: string, value: boolean) => mailUiStore.flagSelectedMessages(flag, value)
+
+const handleMessageSelectionDelete = () => mailUiStore.deleteSelectedMessages()
 
-const handleFolderCreated = (folder: CollectionObject) => mailStore.notify(`Folder "${folder.properties.label}" created`, 'success')
 </script>
 
 <template>
   <!-- Manager Unavailable -->
-  <div v-if="!isMailManagerAvailable" class="mail-unavailable">
+  <div v-if="!isManagerAvailable" class="mail-unavailable">
     <v-alert
       type="warning"
       variant="outlined"
@@ -131,7 +215,7 @@ const handleFolderCreated = (folder: CollectionObject) => mailStore.notify(`Fold
     <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>
@@ -140,7 +224,7 @@ const handleFolderCreated = (folder: CollectionObject) => mailStore.notify(`Fold
       
       <v-btn
         icon="mdi-pencil"
-        @click="handleCompose()"
+        @click="handleMessageComposeFresh()"
         color="primary"
         variant="text"
       >
@@ -180,10 +264,10 @@ const handleFolderCreated = (folder: CollectionObject) => mailStore.notify(`Fold
         width="280"
         class="mail-sidebar"
       >
-        <FolderTree
+
+        <FolderView
           :selected-folder="selectedFolder"
           @select="handleFolderSelect"
-          @folder-created="handleFolderCreated"
         />
 
         <template #append>
@@ -213,32 +297,39 @@ const handleFolderCreated = (folder: CollectionObject) => mailStore.notify(`Fold
               :selection-mode="selectionMode"
               :loading="loading"
               @open="handleMessageOpen"
-              @toggle-selection="handleMessageSelectionToggle"
-              @activate-selection-mode="handleSelectionModeActivate"
-              @toggle-select-all="handleSelectAllToggle"
-              @clear-selection="handleSelectionClear"
-              @move-selection="handleSelectionMove"
-              @delete-selection="handleSelectionDelete"
+              @reply="handleMessageComposeReply"
+              @forward="handleMessageComposeForward"
+              @move="handleMessageMove"
+              @delete="handleMessageDelete"
+              @flag="handleMessageFlag"
+              @selection-mode="handleMessageSelectionMode"
+              @selection-toggle-one="handleMessageSelectionToggleOne"
+              @selection-toggle-all="handleMessageSelectionToggleAll"
+              @selection-clear="handleMessageSelectionClear"
+              @selection-flag="handleMessageSelectionFlag"
+              @selection-move="handleMessageSelectionMove"
+              @selection-delete="handleMessageSelectionDelete"
             />
           </div>
 
           <!-- Reader/Composer panel -->
           <div class="mail-reader-panel">
             <MessageComposer
-              v-if="composeMode"
-              :reply-to="composeReplyTo"
+              v-if="composerVisible"
+              :mode="composerMode"
+              :source="composerSource"
               :folder="selectedFolder"
-              @close="handleComposeClose"
-              @sent="handleComposeSent"
+              @close="handleMessageComposeClose"
             />
             
             <MessageReader
               v-else
               :entity="selectedMessage"
-              @compose="handleCompose"
-              @reply="handleCompose"
-              @move="handleMove"
-              @delete="handleDelete"
+              @compose="handleMessageComposeFresh"
+              @reply="handleMessageComposeReply"
+              @forward="handleMessageComposeForward"
+              @move="handleMessageMove"
+              @delete="handleMessageDelete"
             />
           </div>
         </div>
@@ -249,13 +340,61 @@ const handleFolderCreated = (folder: CollectionObject) => mailStore.notify(`Fold
     <SettingsDialog v-model="settingsDialogVisible" />
 
     <FolderSelectionDialog
-      v-model="moveDialogVisible"
+      v-if="moveMessagesDialogService"
+      v-model="moveMessagesDialogVisible"
+      :service="moveMessagesDialogService"
       :loading="loading"
-      title="Move To"
+      title="Move Messages To"
       confirm-text="Move"
       empty-text="No other folders are available in this account."
-      @select="handleMoveConfirm"
-      @cancel="handleMoveCancel"
+      @select="handleMessageMoveConfirm"
+      @cancel="handleMessageMoveCancel"
+    />
+
+    <FolderSelectionDialog
+      v-if="moveFolderDialogService"
+      v-model="moveFolderDialogVisible"
+      :service="moveFolderDialogService"
+      :loading="collectionsStore.transceiving"
+      title="Move Folder To"
+      confirm-text="Move"
+      empty-text="No other folders are available in this account."
+      :disabled-folder-keys="mailUiStore.moveFolderDialogInvalidFolderKeys"
+      @select="handleFolderMoveConfirm"
+      @cancel="handleFolderMoveCancel"
+    />
+
+    <CreateFolderDialog
+      v-if="createFolderDialogService"
+      v-model="createFolderDialogVisible"
+      :service="createFolderDialogService"
+      :parent-folder-label="mailUiStore.createFolderDialogParentLabel"
+      :validate-name="validateCreateFolderName"
+      :loading="createFolderDialogLoading"
+      :error-message="createFolderDialogError"
+      @confirm="handleFolderCreateConfirm"
+    />
+
+    <RenameFolderDialog
+      v-if="renameFolderDialogService && renameFolderDialogFolder"
+      v-model="renameFolderDialogVisible"
+      :service="renameFolderDialogService"
+      :folder="renameFolderDialogFolder"
+      :parent-folder-label="mailUiStore.renameFolderDialogParentLabel"
+      :validate-name="validateRenameFolderName"
+      :loading="renameFolderDialogLoading"
+      :error-message="renameFolderDialogError"
+      @confirm="handleFolderEditConfirm"
+    />
+
+    <DeleteFolderDialog
+      v-if="deleteFolderDialogService && deleteFolderDialogFolder"
+      v-model="deleteFolderDialogVisible"
+      :service="deleteFolderDialogService"
+      :folder="deleteFolderDialogFolder"
+      :loading="deleteFolderDialogLoading"
+      :error-message="deleteFolderDialogError"
+      @confirm="handleFolderDeleteConfirm"
     />
   </div>
 </template>

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

@@ -1,4 +1,4 @@
-import { ref, computed, shallowRef, watch } from 'vue'
+import { ref, computed, shallowRef } from 'vue'
 import { defineStore } from 'pinia'
 import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
 import { useEntitiesStore } from '@MailManager/stores/entitiesStore'
@@ -6,7 +6,21 @@ import { useServicesStore } from '@MailManager/stores/servicesStore'
 import { useMailSync } from '@MailManager/composables/useMailSync'
 import { useSnackbar } from '@KTXC'
 import type { ServiceIdentifier, CollectionIdentifier, EntityIdentifier } from '@MailManager/types/common'
-import type { ServiceObject, CollectionObject, EntityObject } from '@MailManager/models'
+import type { EntityTransmitRequest } from '@MailManager/types/entity'
+import type { MessageAddressInterface, MessageInterface, MessagePartInterface } from '@MailManager/types/message'
+import { ServiceObject, type CollectionObject, type EntityObject } from '@MailManager/models'
+import { CollectionPropertiesObject } from '@MailManager/models/collection'
+
+interface ComposerMessageInput {
+  to: string[]
+  cc: string[]
+  bcc: string[]
+  subject: string
+  body: {
+    html: string
+    text: string
+  }
+}
 
 export const useMailStore = defineStore('mailStore', () => {
   const servicesStore = useServicesStore()
@@ -31,27 +45,17 @@ export const useMailStore = defineStore('mailStore', () => {
   }
 
   // ── General State ─────────────────-───────────────────────────────────────
-  const sidebarVisible = ref(true)
-  const settingsDialogVisible = ref(false)
   const loading = ref(false)
   const serviceFolderLoadingState = ref<Record<string, boolean>>({})
   const serviceFolderLoadedState = ref<Record<string, boolean>>({})
   const serviceFolderErrorState = ref<Record<string, string | null>>({})
 
-  // ── Selection State ───────────────────────────────────────────────────────
   const selectedFolder = shallowRef<CollectionObject | null>(null)
   const selectedMessage = shallowRef<EntityObject | null>(null)
-  const selectionMode = ref(false)
-  const selectionList = ref<EntityIdentifier[]>([])
-
-  // ── Compose State ─────────────────────────────────────────────────────────
-  const composeMode = ref(false)
-  const composeReplyTo = shallowRef<EntityObject | null>(null)
-
-  // ── Move State ────────────────────────────────────────────────────────────
-  const moveDialogVisible = ref(false)
-  const moveDialogService = ref<ServiceIdentifier | null>(null)
-  const moveDialogCandidates = ref<EntityIdentifier[] | null>(null)
+  const composerSaving = ref(false)
+  const composerSending = ref(false)
+  const composerLastSaved = ref<Date | null>(null)
+  const composerDraftIdentifier = ref<EntityIdentifier | null>(null)
 
   // ── Computed ──────────────────────────────────────────────────────────────
   const currentMessages = computed(() => {
@@ -74,20 +78,15 @@ export const useMailStore = defineStore('mailStore', () => {
       await servicesStore.list()
 
       const services = [...servicesStore.servicesEnabled]
-      services.forEach(service => {
-        void loadFoldersForService(service,{ selectInbox: true })
-      })
+      await Promise.all(services.map(service => loadFoldersForService(service)))
     } catch (error) {
-      console.error('[Mail] Failed to initialize:', error)
+      console.error('[Mail][Operations] Failed to initialize:', error)
     } finally {
       loading.value = false
     }
   }
 
-  async function loadFoldersForService(
-    service: ServiceObject,
-    options: { selectInbox?: boolean } = {},
-  ) {
+  async function loadFoldersForService(service: ServiceObject) {
     
     if (service.identifier === null) {
       return
@@ -98,37 +97,15 @@ export const useMailStore = defineStore('mailStore', () => {
 
     try {
       // retrieve folders for service
-      const collections = await collectionsStore.list({
-        [service.provider]: {
-          [String(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()
-      return collections
     } catch (error) {
       const message = error instanceof Error ? error.message : 'Failed to load folders'
       _setServiceFolderError(service.provider, service.identifier, message)
-      console.error(
-        `[Mail] Failed to load folders for ${service.provider}:${String(service.identifier)}:`,
-        error,
-      )
+      console.error(`[Mail][Operations] Failed to load folders for ${service.provider}:${String(service.identifier)}:`, error)
       _updateSyncSources()
       return {}
     } finally {
@@ -139,15 +116,20 @@ export const useMailStore = defineStore('mailStore', () => {
   // ── Helpers ──────────────────────────────────────────────────────────
 
   function _serviceIdentifier(item: ServiceObject | CollectionObject | EntityObject | { provider: string, service: string | number }): ServiceIdentifier {
+    if (item instanceof ServiceObject) {
+      return `${item.provider}:${String(item.identifier)}` as ServiceIdentifier
+    }
     return `${item.provider}:${String(item.service)}` as ServiceIdentifier
   }
 
-  function _collectionIdentifier(item: CollectionObject | EntityObject): CollectionIdentifier {
-    return `${item.provider}:${String(item.service)}:${String(item.identifier)}` as CollectionIdentifier
-  }
+  function _sameCollection(left: CollectionObject | null | undefined, right: CollectionObject | null | undefined): boolean {
+    if (!left || !right) {
+      return false
+    }
 
-  function _entityIdentifier(item: EntityObject): EntityIdentifier {
-    return `${item.provider}:${String(item.service)}:${String(item.collection)}:${String(item.identifier)}` as EntityIdentifier
+    return left.provider === right.provider &&
+      String(left.service) === String(right.service) &&
+      String(left.identifier) === String(right.identifier)
   }
 
   function _setServiceFolderLoading(provider: string, service: string | number, loadingState: boolean) {
@@ -176,15 +158,18 @@ export const useMailStore = defineStore('mailStore', () => {
 
     // Track the currently selected folder
     if (selectedFolder.value) {
-      mailSyncController.addSource({
-        provider: selectedFolder.value.provider,
-        service: selectedFolder.value.service,
-        collections: [selectedFolder.value.identifier],
-      })
+      //mailSyncController.addSource({
+      //  provider: selectedFolder.value.provider,
+      //  service: selectedFolder.value.service,
+      //  collections: [selectedFolder.value.identifier],
+      //})
     }
 
     // Always track inboxes for each account (for new-mail notifications)
     servicesStore.servicesEnabled.forEach(service => {
+      if (service.identifier === null) {
+        return
+      }
       const inboxes = collectionsStore.collectionsForService(service.provider, service.identifier).filter(
         c =>
           String(c.service) === String(service.identifier) &&
@@ -193,11 +178,11 @@ export const useMailStore = defineStore('mailStore', () => {
       )
 
       if (inboxes.length > 0) {
-        mailSyncController.addSource({
-          provider: service.provider,
-          service: service.identifier as string | number,
-          collections: inboxes.map(inbox => inbox.identifier),
-        })
+        //mailSyncController.addSource({
+        //  provider: service.provider,
+        //  service: service.identifier as string | number,
+        //  collections: inboxes.map(inbox => inbox.identifier),
+        //})
       }
     })
 
@@ -218,254 +203,289 @@ export const useMailStore = defineStore('mailStore', () => {
     return serviceFolderErrorState.value[_serviceIdentifier({ provider, service })] ?? null
   }
 
-  function _reloadFolderMessages(folder: CollectionObject) {
-    return entitiesStore.list({
-      [folder.provider]: {
-        [String(folder.service)]: {
-          [String(folder.identifier)]: true,
-        },
-      },
-    })
+  function _findDraftFolder(folder: CollectionObject): CollectionObject {
+    return collectionsStore.collectionsForService(folder.provider, folder.service).find(
+      candidate =>
+        candidate.provider === folder.provider &&
+        String(candidate.service) === String(folder.service) &&
+        (candidate.properties.role === 'drafts' ||
+          String(candidate.identifier).toLowerCase() === 'drafts' ||
+          candidate.properties.label.toLowerCase() === 'drafts'),
+    ) ?? folder
   }
 
-  function _setSelectionList(nextIds: EntityIdentifier[]) {
-    selectionList.value = Array.from(new Set(nextIds))
+  function _toMessageAddresses(addresses: string[]): MessageAddressInterface[] | undefined {
+    const normalized = addresses
+      .map(address => address.trim())
+      .filter(address => address.length > 0)
 
-    if (selectionList.value.length === 0) {
-      selectionMode.value = false
+    if (normalized.length === 0) {
+      return undefined
     }
+
+    return normalized.map(address => ({ address }))
   }
 
-  function _reconcileSelection() {
-    if (!selectedFolder.value) {
-      clearSelection()
-      selectedMessage.value = null
-      return
+  function _toDraftBody(body: ComposerMessageInput['body']): MessagePartInterface | null {
+    const parts: MessagePartInterface[] = []
+    const text = body.text.trim()
+    const html = body.html.trim()
+
+    if (text.length > 0) {
+      parts.push({
+        type: 'text/plain',
+        content: text,
+      })
     }
 
-    const currentMessageIdentifiers = new Set(currentMessages.value.map(message => _entityIdentifier(message)))
-    const nextSelectedIds = selectionList.value.filter(identifier => currentMessageIdentifiers.has(identifier))
-
-    if (nextSelectedIds.length !== selectionList.value.length) {
-      _setSelectionList(nextSelectedIds)
+    if (html.length > 0) {
+      parts.push({
+        type: 'text/html',
+        content: html,
+      })
     }
 
-    if (selectedMessage.value && !currentMessageIdentifiers.has(_entityIdentifier(selectedMessage.value))) {
-      selectedMessage.value = null
+    if (parts.length === 0) {
+      return null
     }
-  }
 
-  function _formatMoveNotification(successCount: number, failureCount: number, targetFolder: CollectionObject) {
-    const folderLabel = targetFolder.properties.label || String(targetFolder.identifier)
-
-    if (failureCount === 0) {
-      return {
-        message: successCount === 1
-          ? `Message moved to "${folderLabel}"`
-          : `${successCount} messages moved to "${folderLabel}"`,
-        color: 'success' as const,
-      }
+    if (parts.length === 1) {
+      return parts[0]
     }
 
     return {
-      message: successCount === 0
-        ? `Move failed for ${failureCount === 1 ? '1 message' : `${failureCount} messages`}`
-        : `Moved ${successCount} ${successCount === 1 ? 'message' : 'messages'} to "${folderLabel}". ${failureCount} failed.`,
-      color: successCount === 0 ? 'error' as const : 'warning' as const,
+      type: 'multipart/alternative',
+      subParts: parts,
     }
   }
 
-  watch(currentMessages, () => {
-    _reconcileSelection()
-  })
+  function _toDraftProperties(message: ComposerMessageInput): MessageInterface {
+    return {
+      '@type': 'mail:message',
+      to: _toMessageAddresses(message.to),
+      cc: _toMessageAddresses(message.cc),
+      bcc: _toMessageAddresses(message.bcc),
+      subject: message.subject.trim() || null,
+      body: _toDraftBody(message.body),
+      flags: {
+        draft: true,
+      },
+    }
+  }
+
+  function resetComposerState() {
+    composerSaving.value = false
+    composerSending.value = false
+    composerLastSaved.value = null
+    composerDraftIdentifier.value = null
+  }
 
   // ── Actions ───────────────────────────────────────────────────────────────
 
-  async function selectFolder(folder: CollectionObject) {
+  async function retrieveService(identifier: ServiceIdentifier, force: boolean = false): Promise<ServiceObject | null> {
+    let service = servicesStore.serviceByIdentifier(identifier)
+    if (service && !force) {
+      return service
+    }
+
+    try {
+      service = await servicesStore.serviceByIdentifier(identifier, true)
+    } catch (error) {
+      console.error(`[Mail][Operations] Failed to retrieve service ${identifier}:`, error)
+      throw error
+    }
+
+    if (!service) {
+      const message = `Service ${identifier} not found`
+      console.error(`[Mail][Operations] ${message}`)
+      throw new Error(message)
+    }
+
+    return service
+  }
+
+  async function selectFolder(folder: CollectionObject | null) {
     selectedFolder.value = folder
     selectedMessage.value = null
-    clearSelection()
-    selectionMode.value = false
-    composeMode.value = false
 
-    try {
-      await _reloadFolderMessages(folder)
-    } catch (error) {
-      console.error('[Mail] Failed to load messages:', error)
+    if (folder) {
+      try {
+        await entitiesStore.list([folder.identifier])
+      } catch (error) {
+        console.error('[Mail][Operations] Failed to load messages:', error)
+      }
     }
 
     _updateSyncSources()
   }
 
-  function clearSelectedFolder() {
-    selectedFolder.value = null
-    selectedMessage.value = null
-    clearSelection()
-    selectionMode.value = false
-    composeMode.value = false
-    composeReplyTo.value = null
-
-    _updateSyncSources()
-  }
-
-  function selectMessage(entity: EntityObject, closeSidebar = false) {
+  function selectMessage(entity: EntityObject | null) {
     selectedMessage.value = entity
-    composeMode.value = false
-
-    if (closeSidebar) {
-      sidebarVisible.value = false
-    }
   }
 
-  function openCompose(replyTo?: EntityObject) {
-    composeMode.value = true
-    composeReplyTo.value = replyTo ?? null
-    selectedMessage.value = null
-  }
-  
-  function closeCompose() {
-    composeMode.value = false
-    composeReplyTo.value = null
-  }
-
-  async function afterSent() {
-    composeMode.value = false
-    composeReplyTo.value = null
-
-    // Reload the current folder so the sent message appears in Sent
-    if (selectedFolder.value) {
-      await selectFolder(selectedFolder.value)
-    }
-  }
-
-  function isMessageSelected(message: EntityObject) {
-    return selectionList.value.includes(_entityIdentifier(message))
-  }
-
-  function toggleMessageSelection(message: EntityObject) {
-    const identifier = _entityIdentifier(message)
-
-    selectionMode.value = true
-
-    if (selectionList.value.includes(identifier)) {
-      _setSelectionList(selectionList.value.filter(selectedId => selectedId !== identifier))
-
-      return
-    }
-
-    _setSelectionList([...selectionList.value, identifier])
-  }
-
-  function selectAllCurrentMessages() {
-    selectionMode.value = true
-    _setSelectionList(currentMessages.value.map(message => _entityIdentifier(message)))
-  }
-
-  function activateSelectionMode(message?: EntityObject) {
-    selectionMode.value = true
-
-    if (message) {
-      const identifier = _entityIdentifier(message)
-
-      if (!selectionList.value.includes(identifier)) {
-        _setSelectionList([...selectionList.value, identifier])
-      }
-    }
-  }
-
-  function deactivateSelectionMode() {
-    selectionMode.value = false
-    clearSelection()
-  }
-
-  function clearSelection() {
-    _setSelectionList([])
-  }
-
-  function openMoveDialog(entities?: EntityObject | EntityObject[]) {
-    
-    moveDialogCandidates.value = []
-    
-    if (entities) {
-      if (Array.isArray(entities)) {
-        moveDialogCandidates.value = entities.map(entity => _entityIdentifier(entity))
-        moveDialogService.value = _serviceIdentifier(entities[0])
-      } else {
-        moveDialogCandidates.value = [_entityIdentifier(entities)]
-        moveDialogService.value = _serviceIdentifier(entities)
-      }
-    } else {
-      moveDialogCandidates.value = selectionList.value
-      moveDialogService.value = _serviceIdentifier(selectedFolder.value)
-    }
-
-    moveDialogVisible.value = true
-  }
-
-  function closeMoveDialog() {
-    moveDialogVisible.value = false
-    moveDialogService.value = null
-    moveDialogCandidates.value = null
-  }
-
-  async function moveMessages(target: CollectionObject, entityIdentifiers: EntityIdentifier[]) {
-    const movableIdentifiers = entityIdentifiers.filter(identifier => {
-      const entity = entitiesStore.entityByIdentifier(identifier)
-
-      if (!entity) {
-        return false
-      }
-
-      // Only allow moving messages within the same service and disallow moving into the same folder
-      return entity.provider === target.provider &&
-        String(entity.service) === String(target.service) &&
-        String(entity.collection) !== String(target.identifier)
-    })
-
-    if (movableIdentifiers.length === 0) {
-      closeMoveDialog()
-      return
-    }
-
-    loading.value = true
+  async function saveComposerDraft(folder: CollectionObject, message: ComposerMessageInput) {
+    composerSaving.value = true
 
     try {
-      const response = await entitiesStore.move(_collectionIdentifier(target), movableIdentifiers)
-      const operationSucceeded: EntityIdentifier[] = []
-      const operationFailures: EntityIdentifier[] = []
+      const targetFolder = _findDraftFolder(folder)
+      const properties = _toDraftProperties(message)
+      const draft = composerDraftIdentifier.value
+        ? await entitiesStore.update(composerDraftIdentifier.value, properties)
+        : await entitiesStore.create(targetFolder.identifier, properties)
 
-      Object.entries(response).forEach(([sourceIdentifier, result]) => {
-        if (result.success) {
-          operationSucceeded.push(sourceIdentifier as EntityIdentifier)
-          return
-        }
+      composerDraftIdentifier.value = draft.identifier
+      composerLastSaved.value = new Date()
 
-        operationFailures.push(sourceIdentifier as EntityIdentifier)
-      })
-
-      if (operationSucceeded.length === 0) {
-        throw new Error(operationFailures[0] ?? 'Failed to move messages')
-      }
-
-      if (selectedMessage.value && operationSucceeded.includes(_entityIdentifier(selectedMessage.value))) {
-        selectedMessage.value = null
-      }
-
-      clearSelection()
-      closeMoveDialog()
-
-      const notification = _formatMoveNotification(operationSucceeded.length, operationFailures.length, target)
-      notify(notification.message, notification.color)
+      return draft
     } catch (error) {
-      const messageText = error instanceof Error ? error.message : 'Failed to move messages'
-      console.error('[Mail] Failed to move messages:', error)
+      console.error('[Mail][Operations] Failed to save draft:', error)
+      throw error
+    } finally {
+      composerSaving.value = false
+    }
+  }
+
+  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
+
+    const transmitRequest: EntityTransmitRequest = {
+      message: {
+        to: message.to.map(address => address.trim()).filter(address => address.length > 0),
+        cc: message.cc.map(address => address.trim()).filter(address => address.length > 0),
+        bcc: message.bcc.map(address => address.trim()).filter(address => address.length > 0),
+        subject: message.subject,
+        body: {
+          html: message.body.html,
+          text: message.body.text,
+        },
+      },
+    }
+
+    if (transmitRequest.message.cc?.length === 0) {
+      delete transmitRequest.message.cc
+    }
+
+    if (transmitRequest.message.bcc?.length === 0) {
+      delete transmitRequest.message.bcc
+    }
+
+    try {
+      const response = await entitiesStore.transmit(transmitRequest)
+
+      if (composerDraftIdentifier.value) {
+        try {
+          await entitiesStore.delete([composerDraftIdentifier.value])
+        } catch (error) {
+          console.error('[Mail][Operations] Failed to delete draft after send:', error)
+        }
+      }
+
+      notify('Message sent', 'success')
+      resetComposerState()
+      return response
+    } catch (error) {
+      const messageText = error instanceof Error ? error.message : 'Failed to send message'
+      console.error('[Mail][Operations] Failed to send message:', error)
       notify(messageText, 'error')
       throw error
     } finally {
-      loading.value = false
+      composerSending.value = false
     }
   }
 
+  async function createFolder(service: ServiceObject, label: string, parentFolder: CollectionObject | null = null): Promise<CollectionObject> {
+    if (service.identifier === null) {
+      throw new Error('Cannot create folder for a service without an identifier')
+    }
+
+    const properties = new CollectionPropertiesObject()
+    properties.label = label.trim()
+    properties.rank = 0
+    properties.subscribed = true
+
+    const newFolder = await collectionsStore.create(
+      service.provider,
+      service.identifier,
+      properties,
+      parentFolder?.identifier,
+    )
+
+    notify(
+      `Folder "${newFolder.properties.label || properties.label}" created`,
+      'success',
+    )
+
+    return newFolder
+  }
+
+  async function renameFolder(folder: CollectionObject, label: string): Promise<CollectionObject> {
+    const properties = new CollectionPropertiesObject()
+    properties.label = label.trim()
+    properties.rank = folder.properties.rank ?? 0
+    properties.subscribed = folder.properties.subscribed ?? true
+
+    const updatedFolder = await collectionsStore.update(folder.identifier, properties)
+
+    if (_sameCollection(selectedFolder.value, folder)) {
+      selectedFolder.value = updatedFolder
+    }
+
+    notify(
+      `Folder "${folder.properties.label || String(folder.identifier)}" renamed to "${updatedFolder.properties.label || properties.label}"`,
+      'success',
+    )
+
+    return updatedFolder
+  }
+
+  async function moveFolder(source: CollectionObject, target: CollectionObject): Promise<CollectionObject> {
+    const movedFolder = await collectionsStore.move(target.identifier, source.identifier)
+
+    if (_sameCollection(selectedFolder.value, source)) {
+      selectedFolder.value = movedFolder
+    }
+
+    notify(
+      `Folder "${source.properties.label || String(source.identifier)}" moved to "${target.properties.label || String(target.identifier)}"`,
+      'success',
+    )
+
+    return movedFolder
+  }
+
+  async function deleteFolder(folder: CollectionObject): Promise<CollectionObject | boolean> {
+    const deletedFolder = await collectionsStore.delete(folder.identifier)
+
+    if (_sameCollection(selectedFolder.value, folder)) {
+      await selectFolder(null)
+    }
+
+    notify(
+      `Folder "${folder.properties.label || String(folder.identifier)}" deleted`,
+      'success',
+    )
+
+    return deletedFolder
+  }
+
   async function deleteMessages(entityIdentifiers: EntityIdentifier[]) {
     if (entityIdentifiers.length === 0) {
       return
@@ -474,48 +494,26 @@ export const useMailStore = defineStore('mailStore', () => {
     loading.value = true
 
     try {
-      const response = await entitiesStore.delete(entityIdentifiers)
-      const operationSucceeded: EntityIdentifier[] = []
-      const operationFailures: EntityIdentifier[] = []
+      const { successes, failures } = await entitiesStore.delete(entityIdentifiers)
 
-      Object.entries(response).forEach(([sourceIdentifier, result]) => {
-        if (result.success) {
-          operationSucceeded.push(sourceIdentifier as EntityIdentifier)
-          return
-        }
-
-        operationFailures.push(sourceIdentifier as EntityIdentifier)
-      })
-
-      if (operationSucceeded.length === 0) {
-        throw new Error(operationFailures[0] ?? 'Failed to delete messages')
-      }
-
-      if (selectedMessage.value && operationSucceeded.includes(_entityIdentifier(selectedMessage.value))) {
-        selectedMessage.value = null
-      }
-
-      clearSelection()
-
-      const successCount = operationSucceeded.length
-      const failureCount = operationFailures.length
-
-      if (failureCount === 0) {
+      if (failures.length === 0) {
         notify(
-          successCount === 1 ? 'Message deleted' : `${successCount} messages deleted`,
+          successes.length === 1 ? 'Message deleted' : `${successes.length} messages deleted`,
           'success',
         )
-      } else {
+      } 
+      
+      if (failures.length > 0) {
         notify(
-          successCount === 0
-            ? `Delete failed for ${failureCount === 1 ? '1 message' : `${failureCount} messages`}`
-            : `Deleted ${successCount} ${successCount === 1 ? 'message' : 'messages'}. ${failureCount} failed.`,
-          successCount === 0 ? 'error' : 'warning',
+          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] Failed to delete messages:', error)
+      console.error('[Mail][Operations] Failed to delete messages:', error)
       notify(messageText, 'error')
       throw error
     } finally {
@@ -523,12 +521,139 @@ export const useMailStore = defineStore('mailStore', () => {
     }
   }
 
-  function toggleSidebar() {
-    sidebarVisible.value = !sidebarVisible.value
+  async function flagMessages(entityIdentifiers: EntityIdentifier[], flags: Partial<MessageInterface['flags']>, options: { notify?: boolean } = {}) {
+    if (entityIdentifiers.length === 0) {
+      return
+    }
+
+    const shouldNotify = options.notify ?? 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
+    }
   }
 
-  function openSettings() {
-    settingsDialogVisible.value = true
+  async function moveMessages(target: CollectionObject, entityIdentifiers: EntityIdentifier[]) {
+    const { movableIdentifiers, sourceCollections } = entityIdentifiers.reduce(
+      (accumulator, identifier) => {
+        const entity = entitiesStore.entity(identifier)
+
+        if (!entity) {
+          return accumulator
+        }
+
+        // Only allow moving messages within the same service and disallow moving into the same folder
+        const canMove = entity.provider === target.provider &&
+          String(entity.service) === String(target.service) &&
+          String(entity.collection) !== String(target.identifier)
+
+        if (!canMove) {
+          return accumulator
+        }
+
+        accumulator.movableIdentifiers.push(identifier)
+
+        if (!accumulator.sourceCollections.some(
+          collection => String(collection) === String(entity.collection),
+        )) {
+          accumulator.sourceCollections.push(entity.collection)
+        }
+
+        return accumulator
+      },
+      {
+        movableIdentifiers: [] as EntityIdentifier[],
+        sourceCollections: [] as CollectionIdentifier[],
+      },
+    )
+
+    if (movableIdentifiers.length === 0) {
+      return
+    }
+
+    loading.value = true
+
+    try {
+      const { successes, failures } = await entitiesStore.move(target.identifier, movableIdentifiers)
+
+      if (failures.length === 0) {
+        notify(
+          successes.length === 1 ? 'Message moved' : `${successes.length} messages moved`,
+          'success',
+        )
+      } 
+      
+      if (failures.length > 0) {
+        notify(
+          successes.length === 0
+            ? `Move failed for ${failures.length === 1 ? '1 message' : `${failures.length} messages`}`
+            : `Moved ${successes.length} ${successes.length === 1 ? 'message' : 'messages'}. ${failures.length} failed.`,
+          successes.length === 0 ? 'error' : 'warning',
+        )
+      }
+
+      // update source collections to reflect moved messages
+      sourceCollections.push(target.identifier)
+      await collectionsStore.fetch(sourceCollections)
+    } catch (error) {
+      const messageText = error instanceof Error ? error.message : 'Failed to move messages'
+      console.error('[Mail][Operations] Failed to move messages:', error)
+      notify(messageText, 'error')
+      throw error
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function downloadMessage(entity: EntityObject, index?: number) {
+    const target = entity.identifier
+    let part = null
+
+    if (index !== undefined) {
+      part = entity.properties.attachments?.[Number(index)] ?? null
+    }
+
+    try {
+      await entitiesStore.download(target, part)
+    } catch (error) {
+      const messageText = error instanceof Error
+        ? error.message
+        : index === undefined
+          ? 'Failed to download message'
+          : 'Failed to download attachment'
+      console.error(
+        index === undefined
+          ? '[Mail][Operations] Failed to download message:'
+          : '[Mail][Operations] Failed to download attachment:',
+        error,
+      )
+      notify(messageText, 'error')
+      throw error
+    }
   }
 
   function notify(message: string, color: 'success' | 'error' | 'info' | 'warning' = 'success') {
@@ -545,18 +670,12 @@ export const useMailStore = defineStore('mailStore', () => {
     mailSync,
 
     // State
-    sidebarVisible,
-    settingsDialogVisible,
     loading,
-    selectedFolder,
     selectedMessage,
-    selectionList,
-    selectionMode,
-    composeMode,
-    composeReplyTo,
-    moveDialogVisible,
-    moveDialogService,
-    moveDialogCandidates,
+    composerSaving,
+    composerSending,
+    composerLastSaved,
+    composerDraftIdentifier,
     serviceFolderLoadingState,
     serviceFolderLoadedState,
     serviceFolderErrorState,
@@ -565,28 +684,25 @@ export const useMailStore = defineStore('mailStore', () => {
     currentMessages,
 
     // Actions
+    retrieveService,
     selectFolder,
-    clearSelectedFolder,
     selectMessage,
-    isMessageSelected,
-    activateSelectionMode,
-    deactivateSelectionMode,
-    toggleMessageSelection,
-    selectAllCurrentMessages,
-    clearSelection,
-    openCompose,
-    openMoveDialog,
-    closeMoveDialog,
-    closeCompose,
-    afterSent,
+    createFolder,
+    saveComposerDraft,
+    sendComposerMessage,
+    resetComposerState,
+    flagMessages,
     deleteMessages,
+    deleteFolder,
     moveMessages,
-    toggleSidebar,
-    openSettings,
+    downloadMessage,
+    moveFolder,
+    renameFolder,
     notify,
     isServiceFolderLoading,
     hasServiceFoldersLoaded,
     getServiceFolderError,
+    findFoldersByRole,
     loadFoldersForService,
     initialize,
   }

src/stores/mailUiStore.ts

@@ -0,0 +1,641 @@
+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 { ComposerMode } from '@/types/composer'
+import type { ServiceIdentifier, EntityIdentifier } from '@MailManager/types/common'
+import { EntityObject, type ServiceObject } from '@MailManager/models'
+import type { CollectionObject } from '@MailManager/models/collection'
+import type { MessageAddressInterface } from '@MailManager/types/message'
+
+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 composerMode = ref<ComposerMode>(ComposerMode.Fresh)
+  const composerSource = shallowRef<EntityObject | MessageAddressInterface | null>(null)
+  const composerVisible = ref(false)
+  const selectionMode = ref(false)
+  const selectionList = ref<EntityIdentifier[]>([])
+  const moveMessagesDialogVisible = ref(false)
+  const moveMessagesDialogService = shallowRef<ServiceObject | null>(null)
+  const moveMessagesDialogCandidates = ref<EntityIdentifier[] | null>(null)
+  const createFolderDialogVisible = ref(false)
+  const createFolderDialogService = shallowRef<ServiceObject | null>(null)
+  const createFolderDialogParent = shallowRef<CollectionObject | null>(null)
+  const createFolderDialogLoading = ref(false)
+  const createFolderDialogError = ref('')
+  const renameFolderDialogVisible = ref(false)
+  const renameFolderDialogService = shallowRef<ServiceObject | null>(null)
+  const renameFolderDialogFolder = shallowRef<CollectionObject | null>(null)
+  const renameFolderDialogLoading = ref(false)
+  const renameFolderDialogError = ref('')
+  const moveFolderDialogVisible = ref(false)
+  const moveFolderDialogService = shallowRef<ServiceObject | null>(null)
+  const moveFolderDialogSource = shallowRef<CollectionObject | null>(null)
+  const deleteFolderDialogVisible = ref(false)
+  const deleteFolderDialogService = shallowRef<ServiceObject | null>(null)
+  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'
+  })
+
+  const renameFolderDialogParentLabel = computed(() => {
+    const folder = renameFolderDialogFolder.value
+
+    if (!folder || folder.collection === null || folder.collection === undefined) {
+      return 'Root'
+    }
+
+    const parent = collectionsStore.collectionsInCollection(folder.provider, folder.service, null)
+      .flatMap(rootFolder => [rootFolder, ...collectionsStore.collectionsForService(folder.provider, folder.service)])
+      .find(candidate => String(candidate.identifier) === String(folder.collection))
+
+    return parent?.properties.label || 'Root'
+  })
+
+  const moveFolderDialogInvalidFolderKeys = computed(() => {
+    const sourceFolder = moveFolderDialogSource.value
+
+    if (!sourceFolder) {
+      return []
+    }
+
+    const invalidKeys = new Set<string>()
+    const queue = [sourceFolder]
+
+    while (queue.length > 0) {
+      const currentFolder = queue.shift()
+
+      if (!currentFolder) {
+        continue
+      }
+
+      invalidKeys.add(String(currentFolder.identifier))
+
+      collectionsStore
+        .collectionsInCollection(currentFolder.provider, currentFolder.service, currentFolder.identifier)
+        .forEach(childFolder => {
+          queue.push(childFolder)
+        })
+    }
+
+    return Array.from(invalidKeys)
+  })
+
+  watch(
+    () => mailStore.selectedMessage,
+    message => {
+      if (message) {
+        closeComposer()
+      }
+
+      selectMessage(message)
+    },
+  )
+
+  watch(
+    () => mailStore.currentMessages,
+    () => {
+      messageSelectionReconcile()
+    },
+  )
+
+  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) {
+    closeComposer()
+    messageSelectionModeDeactivate()
+    clearMessageReadTimer()
+    selectedMessage.value = null
+    selectedFolder.value = folder
+    await mailStore.selectFolder(folder)
+  }
+
+  async function selectMessage(message: EntityObject | null) {
+    messageSelectionModeDeactivate()
+    createMessageReadTimer(message)
+    selectedMessage.value = 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[] = []
+
+    if (!name || name.trim().length === 0) {
+      errors.push('Folder name is required')
+      return errors
+    }
+
+    if (name.length > 255) {
+      errors.push('Folder name too long (max 255 characters)')
+    }
+
+    if (/[<>:"|?*\x00-\x1F]/.test(name)) {
+      errors.push('Folder name contains invalid characters')
+    }
+
+    if (service.provider === 'imap' && /[\/\\]/.test(name)) {
+      errors.push('IMAP folder names cannot contain / or \\')
+    }
+
+    if (name !== name.trim()) {
+      errors.push('Folder name cannot have leading or trailing spaces')
+    }
+
+    return errors
+  }
+
+  function validateCreateFolderName(name: string): string[] {
+    const service = createFolderDialogService.value
+
+    if (!service || service.identifier === null) {
+      return ['Folder service is unavailable']
+    }
+
+    const errors = validateFolderNameBase(service, name)
+
+    if (errors.length > 0) {
+      return errors
+    }
+
+    const parentIdentifier = createFolderDialogParent.value?.identifier ?? null
+    const duplicate = collectionsStore
+      .collectionsInCollection(service.provider, service.identifier, parentIdentifier)
+      .some(folder => folder.properties.label === name)
+
+    if (duplicate) {
+      errors.push('A folder with this name already exists in this location')
+    }
+
+    return errors
+  }
+
+  function validateRenameFolderName(name: string): string[] {
+    const service = renameFolderDialogService.value
+    const folder = renameFolderDialogFolder.value
+
+    if (!service || !folder || service.identifier === null) {
+      return ['Folder service is unavailable']
+    }
+
+    const errors = validateFolderNameBase(service, name)
+
+    if (errors.length > 0) {
+      return errors
+    }
+
+    const parentIdentifier = folder.collection ?? null
+    const duplicate = collectionsStore
+      .collectionsInCollection(service.provider, service.identifier, parentIdentifier)
+      .some(candidate =>
+        String(candidate.identifier) !== String(folder.identifier) &&
+        candidate.properties.label === name,
+      )
+
+    if (duplicate) {
+      errors.push('A folder with this name already exists in this location')
+    }
+
+    return errors
+  }
+
+  function setSelectionList(nextIds: EntityIdentifier[]) {
+    selectionList.value = Array.from(new Set(nextIds))
+  }
+
+  function openComposer(source?: EntityObject | MessageAddressInterface, mode: ComposerMode = ComposerMode.Fresh) {
+    mailStore.selectMessage(null)
+    composerSource.value = source ?? null
+    composerMode.value = mode
+    composerVisible.value = true
+  }
+
+  function closeComposer() {
+    composerMode.value = ComposerMode.Fresh
+    composerSource.value = null
+    composerVisible.value = false
+  }
+
+  function messageSelectionClear() {
+    setSelectionList([])
+  }
+
+  function messageSelectionModeActivate(message?: EntityObject) {
+    selectionMode.value = true
+
+    if (!message) {
+      return
+    }
+
+    const identifier = message.identifier
+
+    if (!selectionList.value.includes(identifier)) {
+      setSelectionList([...selectionList.value, identifier])
+    }
+  }
+
+  function messageSelectionModeDeactivate() {
+    selectionMode.value = false
+    messageSelectionClear()
+  }
+
+  function messageSelectionToggleOne(message: EntityObject) {
+    const identifier = message.identifier
+
+    selectionMode.value = true
+
+    if (selectionList.value.includes(identifier)) {
+      setSelectionList(selectionList.value.filter(selectedId => selectedId !== identifier))
+      return
+    }
+
+    setSelectionList([...selectionList.value, identifier])
+  }
+
+  function messageSelectionToggleAll(value: boolean) {
+    selectionMode.value = true
+    if (value) {
+      setSelectionList(mailStore.currentMessages.map(message => message.identifier))
+    } else {
+      setSelectionList([])
+    }
+  }
+
+  function messageSelectionReconcile() {
+    if (!selectedFolder.value) {
+      messageSelectionClear()
+      return
+    }
+
+    const currentMessageIdentifiers = new Set(mailStore.currentMessages.map(message => message.identifier))
+    const nextSelectedIds = selectionList.value.filter(identifier => currentMessageIdentifiers.has(identifier))
+
+    if (nextSelectedIds.length !== selectionList.value.length) {
+      setSelectionList(nextSelectedIds)
+    }
+
+    if (nextSelectedIds.length === 0) {
+      selectionMode.value = false
+    }
+  }
+
+  async function openMoveMessagesDialog(entities?: EntityObject | EntityObject[]) {
+    
+    let moveMessagesServiceIdentifier = null as ServiceIdentifier | null
+    moveMessagesDialogCandidates.value = []
+
+    if (entities) {
+      if (Array.isArray(entities)) {
+        moveMessagesDialogCandidates.value = entities.map(entity => entity.identifier)
+        moveMessagesServiceIdentifier = entities[0]?.service as ServiceIdentifier || null
+      } else {
+        moveMessagesDialogCandidates.value = [entities.identifier]
+        moveMessagesServiceIdentifier = entities.service as ServiceIdentifier || null
+      }
+    } else {
+      moveMessagesDialogCandidates.value = [...selectionList.value]
+      moveMessagesServiceIdentifier = selectedFolder.value?.service as ServiceIdentifier || null
+    }
+
+    moveMessagesDialogService.value = await mailStore.retrieveService(moveMessagesServiceIdentifier)
+    moveMessagesDialogVisible.value = true
+  }
+
+  function closeMoveMessagesDialog() {
+    moveMessagesDialogVisible.value = false
+    moveMessagesDialogService.value = null
+    moveMessagesDialogCandidates.value = null
+  }
+
+  async function confirmMoveMessages(targetIdentifier: Parameters<typeof mailStore.moveMessages>[0]) {
+    await mailStore.moveMessages(targetIdentifier, moveMessagesDialogCandidates.value ?? [])
+    messageSelectionModeDeactivate()
+    closeMoveMessagesDialog()
+  }
+
+  async function deleteSelectedMessages() {
+    await mailStore.deleteMessages([...selectionList.value])
+    messageSelectionModeDeactivate()
+  }
+
+  async function flagSelectedMessages(flag: string, value: boolean) {
+    await mailStore.flagMessages([...selectionList.value],  { [flag]: value })
+    messageSelectionModeDeactivate()
+  }
+
+  return {
+    sidebarVisible,
+    settingsDialogVisible,
+    selectedFolder,
+    selectedMessage,
+    composerMode,
+    composerSource,
+    composerVisible,
+    selectionMode,
+    selectionList,
+    moveMessagesDialogVisible,
+    moveMessagesDialogService,
+    moveMessagesDialogCandidates,
+    createFolderDialogParentLabel,
+    createFolderDialogVisible,
+    createFolderDialogService,
+    createFolderDialogParent,
+    createFolderDialogLoading,
+    createFolderDialogError,
+    renameFolderDialogVisible,
+    renameFolderDialogService,
+    renameFolderDialogFolder,
+    renameFolderDialogParentLabel,
+    renameFolderDialogLoading,
+    renameFolderDialogError,
+    moveFolderDialogVisible,
+    moveFolderDialogService,
+    moveFolderDialogSource,
+    moveFolderDialogInvalidFolderKeys,
+    deleteFolderDialogVisible,
+    deleteFolderDialogService,
+    deleteFolderDialogFolder,
+    deleteFolderDialogLoading,
+    deleteFolderDialogError,
+    sidebarToggle,
+    sidebarHide,
+    settingsOpen,
+    settingsClose,
+    initialize,
+    selectFolder,
+    openComposer,
+    closeComposer,
+    messageSelectionModeActivate,
+    messageSelectionModeDeactivate,
+    messageSelectionToggleOne,
+    messageSelectionToggleAll,
+    messageSelectionClear,
+    validateCreateFolderName,
+    validateRenameFolderName,
+    openMoveMessagesDialog,
+    closeMoveMessagesDialog,
+    confirmMoveMessages,
+    deleteSelectedMessages,
+    openCreateFolderDialog,
+    closeCreateFolderDialog,
+    confirmCreateFolder,
+    openRenameFolderDialog,
+    closeRenameFolderDialog,
+    confirmRenameFolder,
+    openMoveFolderDialog,
+    closeMoveFolderDialog,
+    confirmMoveFolder,
+    openDeleteFolderDialog,
+    closeDeleteFolderDialog,
+    confirmDeleteFolder,
+    flagSelectedMessages,
+  }
+})

src/types/composer.ts

@@ -0,0 +1,5 @@
+export enum ComposerMode {
+	Fresh,
+	Reply,
+	Forward,
+}

tsconfig.app.json

@@ -1,6 +1,12 @@
 {
   "extends": "@vue/tsconfig/tsconfig.dom.json",
-  "include": ["src/**/*", "src/**/*.vue", "../../core/src/**/*.ts"],
+  "include": [
+    "src/**/*",
+    "src/**/*.vue",
+    "../../core/src/**/*.ts",
+    "../mail_manager/src/**/*.ts",
+    "../mail_manager/src/**/*.vue"
+  ],
   "exclude": ["src/**/__tests__/*"],
   "compilerOptions": {
     "composite": true,