feat: Add conversation delete feature (#11677)

<img width="1240" alt="Screenshot 2025-06-05 at 12 39 04 AM"
src="https://github.com/user-attachments/assets/0071cd23-38c3-4638-946e-f1fbd11ec845"
/>


## Changes

Give the admins an option to delete conversation via the context menu

- enable conversation deletion in routes and controller
- expose delete API on conversations
- add delete option in conversation context menu and integrate with card
and list
- implement store action and mutation for delete
- update i18n with new strings

fixes: https://github.com/chatwoot/chatwoot/issues/947

---------

Co-authored-by: iamsivin <iamsivin@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Pranav <pranavrajs@gmail.com>

app/javascript/dashboard/components/ChatList.vue

@@ -22,6 +22,7 @@ import {
 // https://tanstack.com/virtual/latest/docs/framework/vue/examples/variable
 import { DynamicScroller, DynamicScrollerItem } from 'vue-virtual-scroller';
 import ChatListHeader from './ChatListHeader.vue';
+import Dialog from 'dashboard/components-next/dialog/Dialog.vue';
 import ConversationFilter from 'next/filter/ConversationFilter.vue';
 import SaveCustomView from 'next/filter/SaveCustomView.vue';
 import ChatTypeTabs from './widgets/ChatTypeTabs.vue';
@@ -82,6 +83,7 @@ const emit = defineEmits(['conversationLoad']);
 const { uiSettings } = useUISettings();
 const { t } = useI18n();
 const router = useRouter();
+const route = useRoute();
 const store = useStore();
 
 const conversationListRef = ref(null);
@@ -646,6 +648,30 @@ function openLastItemAfterDeleteInFolder() {
   }
 }
 
+function redirectToConversationList() {
+  const {
+    params: { accountId, inbox_id: inboxId, label, teamId },
+    name,
+  } = route;
+
+  let conversationType = '';
+  if (isOnMentionsView({ route: { name } })) {
+    conversationType = 'mention';
+  } else if (isOnUnattendedView({ route: { name } })) {
+    conversationType = 'unattended';
+  }
+  router.push(
+    conversationListPageURL({
+      accountId,
+      conversationType: conversationType,
+      customViewId: props.foldersId,
+      inboxId,
+      label,
+      teamId,
+    })
+  );
+}
+
 async function assignPriority(priority, conversationId = null) {
   store.dispatch('setCurrentChatPriority', {
     priority,
@@ -670,26 +696,7 @@ async function markAsUnread(conversationId) {
     await store.dispatch('markMessagesUnread', {
       id: conversationId,
     });
-    const {
-      params: { accountId, inbox_id: inboxId, label, teamId },
-      name,
-    } = useRoute();
-    let conversationType = '';
-    if (isOnMentionsView({ route: { name } })) {
-      conversationType = 'mention';
-    } else if (isOnUnattendedView({ route: { name } })) {
-      conversationType = 'unattended';
-    }
-    router.push(
-      conversationListPageURL({
-        accountId,
-        conversationType: conversationType,
-        customViewId: props.foldersId,
-        inboxId,
-        label,
-        teamId,
-      })
-    );
+    redirectToConversationList();
   } catch (error) {
     // Ignore error
   }
@@ -703,6 +710,7 @@ async function markAsRead(conversationId) {
     // Ignore error
   }
 }
+
 async function onAssignTeam(team, conversationId = null) {
   try {
     await store.dispatch('assignTeam', {
@@ -764,6 +772,26 @@ onMounted(() => {
   }
 });
 
+const deleteConversationDialogRef = ref(null);
+const selectedConversationId = ref(null);
+
+async function deleteConversation() {
+  try {
+    await store.dispatch('deleteConversation', selectedConversationId.value);
+    redirectToConversationList();
+    selectedConversationId.value = null;
+    deleteConversationDialogRef.value.close();
+    useAlert(t('CONVERSATION.SUCCESS_DELETE_CONVERSATION'));
+  } catch (error) {
+    useAlert(t('CONVERSATION.FAIL_DELETE_CONVERSATION'));
+  }
+}
+
+const handleDelete = conversationId => {
+  selectedConversationId.value = conversationId;
+  deleteConversationDialogRef.value.open();
+};
+
 provide('selectConversation', selectConversation);
 provide('deSelectConversation', deSelectConversation);
 provide('assignAgent', onAssignAgent);
@@ -775,6 +803,7 @@ provide('markAsUnread', markAsUnread);
 provide('markAsRead', markAsRead);
 provide('assignPriority', assignPriority);
 provide('isConversationSelected', isConversationSelected);
+provide('deleteConversation', handleDelete);
 
 watch(activeTeam, () => resetAndFetchData());
 
@@ -938,6 +967,19 @@ watch(conversationFilters, (newVal, oldVal) => {
         </template>
       </DynamicScroller>
     </div>
+    <Dialog
+      ref="deleteConversationDialogRef"
+      type="alert"
+      :title="
+        $t('CONVERSATION.DELETE_CONVERSATION.TITLE', {
+          conversationId: selectedConversationId,
+        })
+      "
+      :description="$t('CONVERSATION.DELETE_CONVERSATION.DESCRIPTION')"
+      :confirm-button-label="$t('CONVERSATION.DELETE_CONVERSATION.CONFIRM')"
+      @confirm="deleteConversation"
+      @close="selectedConversationId = null"
+    />
     <TeleportWithDirection
       v-if="showAdvancedFilters"
       to="#conversationFilterTeleportTarget"