fix: composition send responses and notifications

Signed-off-by: Sebastian <krupinski01@gmail.com>

src/stores/mailCompositionStore.ts

@@ -14,11 +14,11 @@ import type {
 import { ComposerMode } from '@/types/composer'
 import type { ComposerDraft, ComposerDraftAttachment, ComposerDraftMessage, ComposerSenderIdentity } from '@/types/composer'
 import { EntityObject, MessageAddressObject, ServiceObject } from '@MailManager/models'
-import type { ServiceIdentifier } from '@MailManager/services'
 
 export const useMailCompositionStore = defineStore('mailCompositionStore', () => {
   const servicesStore = useServicesStore()
   const mailUiStore = useMailUiStore()
+  
   const activeDraft = ref<ComposerDraft | null>(null)
   const saving = ref(false)
 
@@ -206,7 +206,7 @@ export const useMailCompositionStore = defineStore('mailCompositionStore', () =>
     }
     
     try {
-      await compositionService.send({ 
+      const response = await compositionService.send({ 
         identifier: activeDraft.value.identifier,
         revision: activeDraft.value.revision,
         sender: {
@@ -218,7 +218,16 @@ export const useMailCompositionStore = defineStore('mailCompositionStore', () =>
         message: activeDraft.value.message,
         attachments: activeDraft.value.attachments,
       })
+
+      if (response.disposition === 'error') {
+        console.error('[Mail][Composer] Failed to send message:', response.error)
+        mailUiStore.notify(`Failed to send message: ${response.error?.message || 'Unknown error'}`, 'error')
+        return
+      }
+
       activeDraft.value = null
+      mailUiStore.notify('Message sent successfully', 'success')
+      mailUiStore.closeComposer()
     } catch (error) {
       console.error('[Mail][Composer] Failed to send draft:', error)
       throw error