Answer a question again by forking at its answer's snapshot

internal/server/inbox.go

@@ -45,6 +45,30 @@ func (s *Server) DismissInbox(w http.ResponseWriter, r *http.Request, itemID str
 	writeJSON(w, http.StatusOK, item)
 }
 
+func (s *Server) AnswerAgain(w http.ResponseWriter, r *http.Request) {
+	req := api.InboxResponseCreate{}
+	if !readJSON(w, r, &req) {
+		return
+	}
+	_, ok := s.images(w, r, req.Images)
+	if !ok {
+		return
+	}
+
+	u, err := s.store.GetUser(r.Context(), actor(r))
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+
+	fork, err := s.agents.AnswerAgain(r.Context(), u, req)
+	if err != nil {
+		writeAgentError(w, err)
+		return
+	}
+	writeJSON(w, http.StatusCreated, fork)
+}
+
 func (s *Server) RespondInbox(w http.ResponseWriter, r *http.Request) {
 	req := api.InboxRespond{}
 	if !readJSON(w, r, &req) {