feat: Improve Captain interactions, activity messages (#11493)

Show captain messages under the name of the assistant which generated
the message.

- Add support for `Captain::Assistant` sender type
- Add push_event_data for captain_assistants
- Add activity message handler for captain_assistants
- Update UI to show captain messages under the name of the assistant
- Fix the issue where openAI errors when image is sent
- Add support for custom name of the assistant

---------

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

app/javascript/dashboard/components-next/message/Message.vue

@@ -186,12 +186,20 @@ const isBotOrAgentMessage = computed(() => {
     return true;
   }
   const senderId = props.senderId ?? props.sender?.id;
-  const senderType = props.senderType ?? props.sender?.type;
+  const senderType = props.sender?.type ?? props.senderType;
 
   if (!senderType || !senderId) {
     return true;
   }
 
+  if (
+    [SENDER_TYPES.AGENT_BOT, SENDER_TYPES.CAPTAIN_ASSISTANT].includes(
+      senderType
+    )
+  ) {
+    return true;
+  }
+
   return senderType.toLowerCase() === SENDER_TYPES.USER.toLowerCase();
 });
 
@@ -406,7 +414,7 @@ const avatarInfo = computed(() => {
   const { name, type, avatarUrl, thumbnail } = sender || {};
 
   // If sender type is agent bot, use avatarUrl
-  if (type === SENDER_TYPES.AGENT_BOT) {
+  if ([SENDER_TYPES.AGENT_BOT, SENDER_TYPES.CAPTAIN_ASSISTANT].includes(type)) {
     return {
       name: name ?? '',
       src: avatarUrl ?? '',

app/javascript/dashboard/components-next/message/constants.js

@@ -21,6 +21,7 @@ export const SENDER_TYPES = {
   CONTACT: 'Contact',
   USER: 'User',
   AGENT_BOT: 'agent_bot',
+  CAPTAIN_ASSISTANT: 'captain_assistant',
 };
 
 export const ORIENTATION = {