Start a new task from a closed task

internal/server/server.go

@@ -840,6 +840,60 @@ func (s *Server) ForkSnapshot(w http.ResponseWriter, r *http.Request, taskID str
 	writeJSON(w, http.StatusCreated, fork)
 }
 
+func (s *Server) ContinueSession(w http.ResponseWriter, r *http.Request, sessionID string) {
+	req := api.MessageCreate{}
+	if !readJSON(w, r, &req) {
+		return
+	}
+
+	images, ok := s.images(w, r, req.Images)
+	if !ok {
+		return
+	}
+
+	if strings.TrimSpace(req.Text) == "" && len(images) == 0 {
+		writeError(w, http.StatusBadRequest, errors.New("text or images are required"))
+		return
+	}
+
+	model := ""
+	if req.Model != nil {
+		model = *req.Model
+	}
+	sendID := ""
+	if req.SendId != nil {
+		sendID = *req.SendId
+	}
+
+	src, err := s.store.GetSession(r.Context(), sessionID)
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+	t, err := s.store.GetTask(r.Context(), src.TaskId)
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+	p, err := s.store.GetProject(r.Context(), t.ProjectId)
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+	u, err := s.store.GetUser(r.Context(), actor(r))
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+
+	task, err := s.agents.Continue(r.Context(), src, t, p, u, req.Text, model, sendID, r.Header.Get("Byre-Client"), images...)
+	if err != nil {
+		writeAgentError(w, err)
+		return
+	}
+	writeJSON(w, http.StatusCreated, task)
+}
+
 func (s *Server) ListSessions(w http.ResponseWriter, r *http.Request, taskID string) {
 	_, err := s.store.GetTask(r.Context(), taskID)
 	if err != nil {