SSE reconnect, task switcher state/inbox/new task, stream throttle

internal/claude/session.go

@@ -45,6 +45,7 @@ type Event struct {
 	Type    string
 	Subtype string
 	Raw     json.RawMessage
+	Read    time.Time
 }
 
 type Block struct {
@@ -505,6 +506,7 @@ func (s *Session) readLoop(stdout io.Reader) {
 }
 
 func (s *Session) handleLine(line []byte) {
+	read := time.Now()
 	env := envelope{}
 	err := json.Unmarshal(line, &env)
 	if err != nil {
@@ -540,7 +542,7 @@ func (s *Session) handleLine(line []byte) {
 		s.idMu.Unlock()
 	}
 
-	s.events <- Event{Type: env.Type, Subtype: env.Subtype, Raw: append(json.RawMessage{}, line...)}
+	s.events <- Event{Type: env.Type, Subtype: env.Subtype, Raw: append(json.RawMessage{}, line...), Read: read}
 }
 
 func (s *Session) learnScrub(raw json.RawMessage) {