Method generateTitle

pkg/server/session_manager.go:882–913

generateTitle generates a title for a session using the sessiontitle package. The generated title is stored in the session and persisted to the store. A SessionTitleEvent is emitted to notify clients.

(ctx context.Context, sess *session.Session, gen *sessiontitle.Generator, userMessages []string, events chan<- runtime.Event)

// The generated title is stored in the session and persisted to the store.
// A SessionTitleEvent is emitted to notify clients.
func (sm *SessionManager) generateTitle(ctx context.Context, sess *session.Session, gen *sessiontitle.Generator, userMessages []string, events chan<- runtime.Event) {
	if gen == nil || len(userMessages) == 0 {
		return
	}

	title, err := gen.Generate(ctx, sess.ID, userMessages)
	if err != nil {
		slog.ErrorContext(ctx, "Failed to generate session title", "session_id", sess.ID, "error", err)
		return
	}

	if title == "" {
		return
	}

	// Update the in-memory session
	sess.Title = title

	// Persist the title
	if err := sm.sessionStore.UpdateSession(ctx, sess); err != nil {
		slog.ErrorContext(ctx, "Failed to persist generated title", "session_id", sess.ID, "error", err)
		return
	}

	// Emit the title event
	select {
	case events <- runtime.SessionTitle(sess.ID, title):
		slog.DebugContext(ctx, "Generated and emitted session title", "session_id", sess.ID, "title", title)
	case <-ctx.Done():
		slog.DebugContext(ctx, "Context cancelled while emitting title event", "session_id", sess.ID)
	}
}

func (sm *SessionManager) runtimeForSession(ctx context.Context, sess *session.Session, agentFilename, currentAgent string, rc *config.RuntimeConfig) (_ runtime.Runtime, _ *sessiontitle.Generator, err error) {
	// Caller (RunSession) holds sm.mux and has already verified that no