- Backend: RequestHuman service method changes status from AI_SERVING to PENDING
- Backend: POST /api/dashboard/conversation/request-human endpoint
- Frontend: requestHumanConversation API client
- Frontend: "转人工" button in conversation list dropdown and detail dialog
Prevent "Cannot read properties of null (reading forEach)" when
fetchTagsAll / fetchAgentProfilesAll / fetchAgentTeamsAll return null
from the API. Add null guard in buildTagOptions and array checks for
assignee/team data before calling .map.