Add per-task terminals over WebSocket with an xterm.js Terminal tab

internal/server/server.go

@@ -28,6 +28,7 @@ type Server struct {
 	agents    *agents.Manager
 	notifier  *push.Notifier
 	hub       *hub
+	terminals *terminals
 	startedAt time.Time
 	spa       fs.FS
 
@@ -45,6 +46,7 @@ func New(dataDir string, spa fs.FS) (*Server, error) {
 
 	s := &Server{
 		hub:       newHub(),
+		terminals: newTerminals(),
 		startedAt: time.Now().UTC(),
 		spa:       spa,
 		users:     map[string]string{},
@@ -79,9 +81,13 @@ func (s *Server) publish(ev api.Event) {
 	s.hub.publish(ev)
 	s.notifier.Observe(ev)
 	s.agents.Observe(ev)
+	if (ev.Kind == "task.merged" || ev.Kind == "task.discarded") && ev.TaskId != nil {
+		s.terminals.close(*ev.TaskId)
+	}
 }
 
 func (s *Server) Close() error {
+	s.terminals.closeAll()
 	s.agents.Close()
 	s.notifier.Close()
 	return s.store.Close()