fix: open bot handled conversations on team takeover

app/models/concerns/assignment_handler.rb

@@ -14,6 +14,10 @@ module AssignmentHandler
 
     validate_current_assignee_team
     self.assignee ||= find_assignee_from_team
+    return if assignee_id.blank?
+
+    self.status = :open if assignee_agent_bot_id.present? && pending?
+    self.assignee_agent_bot = nil
   end
 
   def validate_current_assignee_team

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

@@ -83,6 +83,7 @@ RSpec.describe 'Conversation Assignment API', type: :request do
         team_member = create(:user, account: account, role: :agent, auto_offline: false)
         create(:inbox_member, inbox: conversation.inbox, user: team_member)
         create(:team_member, team: team, user: team_member)
+        conversation.update!(assignee_agent_bot: agent_bot, status: :pending)
         params = { team_id: team.id }
 
         post api_v1_account_conversation_assignments_url(account_id: account.id, conversation_id: conversation.display_id),
@@ -93,7 +94,10 @@ RSpec.describe 'Conversation Assignment API', type: :request do
         expect(response).to have_http_status(:success)
         expect(conversation.reload.team).to eq(team)
         # assignee will be from team
-        expect(conversation.reload.assignee).to eq(team_member)
+        conversation.reload
+        expect(conversation.assignee).to eq(team_member)
+        expect(conversation.assignee_agent_bot).to be_nil
+        expect(conversation.status).to eq('open')
       end
     end