FIX: stream messages when directly PMing a persona (#500)

previous to this fix we did not consider personas a bot in the
front end

assets/javascripts/initializers/ai-bot-replies.js

@@ -10,8 +10,9 @@ import copyConversation from "../discourse/lib/copy-conversation";
 
 const AUTO_COPY_THRESHOLD = 4;
 
+let enabledChatBotIds = [];
 function isGPTBot(user) {
-  return user && [-110, -111, -112, -113, -114, -115, -116].includes(user.id);
+  return user && enabledChatBotIds.includes(user.id);
 }
 
 function attachHeaderIcon(api) {
@@ -197,6 +198,7 @@ export default {
     const user = container.lookup("service:current-user");
 
     if (user?.ai_enabled_chat_bots) {
+      enabledChatBotIds = user.ai_enabled_chat_bots.map((bot) => bot.id);
       if (settings.ai_bot_add_to_header) {
         withPluginApi("1.6.0", attachHeaderIcon);
       }

lib/ai_bot/entry_point.rb

@@ -97,6 +97,14 @@ module DiscourseAi
           SQL
 
           bots.each { |hash| hash["model_name"] = model_map[hash["id"]] }
+          mentionables = AiPersona.mentionables(user: scope.user)
+          if mentionables.present?
+            bots.concat(
+              mentionables.map do |mentionable|
+                { "id" => mentionable[:user_id], "username" => mentionable[:username] }
+              end,
+            )
+          end
           bots
         end
 

spec/lib/modules/ai_bot/entry_point_spec.rb

@@ -23,6 +23,27 @@ RSpec.describe DiscourseAi::AiBot::EntryPoint do
         bot_allowed_group.add(admin)
       end
 
+      it "adds mentionables to current_user_serializer" do
+        Group.refresh_automatic_groups!
+
+        persona =
+          Fabricate(
+            :ai_persona,
+            mentionable: true,
+            enabled: true,
+            allowed_group_ids: [bot_allowed_group.id],
+          )
+        persona.create_user!
+
+        serializer = CurrentUserSerializer.new(admin, scope: Guardian.new(admin))
+        serializer = serializer.as_json
+        bots = serializer[:current_user][:ai_enabled_chat_bots]
+
+        persona_bot = bots.find { |bot| bot["id"] == persona.user_id }
+
+        expect(persona_bot["username"]).to eq(persona.user.username)
+      end
+
       it "queues a job to generate a reply by the AI" do
         expect { PostCreator.create!(admin, post_args) }.to change(
           Jobs::CreateAiReply.jobs,