feat: add captain conversation ownership

spec/controllers/api/v1/accounts/conversations/assignments_controller_spec.rb

@@ -37,6 +37,7 @@ RSpec.describe 'Conversation Assignment API', type: :request do
     context 'when it is an authenticated user with access to the inbox' do
       let(:agent) { create(:user, account: account, role: :agent) }
       let(:agent_bot) { create(:agent_bot, account: account) }
+      let(:captain_assistant) { create(:captain_assistant, account: account) }
       let(:team) { create(:team, account: account) }
 
       before do
@@ -74,6 +75,27 @@ RSpec.describe 'Conversation Assignment API', type: :request do
         expect(conversation.assignee).to be_nil
       end
 
+      it 'assigns a Captain assistant to the conversation' do
+        params = { assignee_id: captain_assistant.id, assignee_type: 'CaptainAssistant' }
+
+        expect(Conversations::AssignmentService).to receive(:new)
+          .with(hash_including(conversation: conversation, assignee_id: captain_assistant.id, assignee_type: 'CaptainAssistant'))
+          .and_call_original
+
+        post api_v1_account_conversation_assignments_url(account_id: account.id, conversation_id: conversation.display_id),
+             params: params,
+             headers: agent.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(response.parsed_body['name']).to eq(captain_assistant.name)
+        conversation.reload
+        expect(conversation.assignee_captain_assistant).to eq(captain_assistant)
+        expect(conversation.assignee_agent_bot).to be_nil
+        expect(conversation.assignee).to be_nil
+        expect(conversation.status).to eq('pending')
+      end
+
       it 'assigns a team to the conversation' do
         team_member = create(:user, account: account, role: :agent, auto_offline: false)
         create(:inbox_member, inbox: conversation.inbox, user: team_member)