Remove dead code

cmd/root/new.go

@@ -69,11 +69,11 @@ func (f *newFlags) runNewCommand(cmd *cobra.Command, args []string) error {
 
 	sess := session.New(opts...)
 
-	return runTUI(ctx, "", rt, sess, firstMessage)
+	return runTUI(ctx, rt, sess, firstMessage)
 }
 
-func runTUI(ctx context.Context, agentFilename string, rt runtime.Runtime, sess *session.Session, firstMessage *string) error {
-	a := app.New(ctx, agentFilename, rt, sess, firstMessage)
+func runTUI(ctx context.Context, rt runtime.Runtime, sess *session.Session, firstMessage *string) error {
+	a := app.New(ctx, rt, sess, firstMessage)
 	m := tui.New(ctx, a)
 
 	progOpts := []tea.ProgramOption{

cmd/root/run.go

@@ -114,10 +114,10 @@ func (f *runExecFlags) runOrExec(ctx context.Context, out *cli.Printer, args []s
 	}
 
 	if !tui {
-		return f.handleExecMode(ctx, out, agentFileName, rt, sess, args)
+		return f.handleExecMode(ctx, out, rt, sess, args)
 	}
 
-	return handleRunMode(ctx, agentFileName, rt, sess, args)
+	return handleRunMode(ctx, rt, sess, args)
 }
 
 func (f *runExecFlags) loadAgentFrom(ctx context.Context, source teamloader.AgentSource) (*team.Team, error) {
@@ -187,7 +187,7 @@ func (f *runExecFlags) createLocalRuntimeAndSession(t *team.Team) (runtime.Runti
 	return localRt, sess, nil
 }
 
-func (f *runExecFlags) handleExecMode(ctx context.Context, out *cli.Printer, agentFilename string, rt runtime.Runtime, sess *session.Session, args []string) error {
+func (f *runExecFlags) handleExecMode(ctx context.Context, out *cli.Printer, rt runtime.Runtime, sess *session.Session, args []string) error {
 	execArgs := []string{"exec"}
 	if len(args) == 2 {
 		execArgs = append(execArgs, args[1])
@@ -198,7 +198,7 @@ func (f *runExecFlags) handleExecMode(ctx context.Context, out *cli.Printer, age
 	err := cli.Run(ctx, out, cli.Config{
 		AppName:        AppName,
 		AttachmentPath: f.attachmentPath,
-	}, agentFilename, rt, sess, execArgs)
+	}, rt, sess, execArgs)
 	if cliErr, ok := err.(cli.RuntimeError); ok {
 		return RuntimeError{Err: cliErr.Err}
 	}
@@ -222,11 +222,11 @@ func readInitialMessage(args []string) (*string, error) {
 	return &args[1], nil
 }
 
-func handleRunMode(ctx context.Context, agentFilename string, rt runtime.Runtime, sess *session.Session, args []string) error {
+func handleRunMode(ctx context.Context, rt runtime.Runtime, sess *session.Session, args []string) error {
 	firstMessage, err := readInitialMessage(args)
 	if err != nil {
 		return err
 	}
 
-	return runTUI(ctx, agentFilename, rt, sess, firstMessage)
+	return runTUI(ctx, rt, sess, firstMessage)
 }

pkg/acp/agent.go

@@ -181,7 +181,7 @@ func (a *Agent) Prompt(ctx context.Context, params acp.PromptRequest) (acp.Promp
 	}
 
 	if userContent != "" {
-		acpSess.sess.AddMessage(session.UserMessage(a.agentFilename, userContent))
+		acpSess.sess.AddMessage(session.UserMessage(userContent))
 	}
 
 	// Run the agent and stream updates

pkg/api/pagination_test.go

@@ -20,8 +20,7 @@ func createTestMessages(count int) []session.Message {
 			role = chat.MessageRoleAssistant
 		}
 		messages[i] = session.Message{
-			AgentFilename: "test.yaml",
-			AgentName:     "test",
+			AgentName: "test",
 			Message: chat.Message{
 				Role:      role,
 				Content:   "Message " + strconv.Itoa(i),

pkg/api/types.go

@@ -115,14 +115,13 @@ type DeleteAgentResponse struct {
 
 // SessionsResponse represents a session in the sessions list
 type SessionsResponse struct {
-	ID                         string `json:"id"`
-	Title                      string `json:"title"`
-	CreatedAt                  string `json:"created_at"`
-	NumMessages                int    `json:"num_messages"`
-	InputTokens                int    `json:"input_tokens"`
-	OutputTokens               int    `json:"output_tokens"`
-	GetMostRecentAgentFilename string `json:"most_recent_agent_filename"`
-	WorkingDir                 string `json:"working_dir,omitempty"`
+	ID           string `json:"id"`
+	Title        string `json:"title"`
+	CreatedAt    string `json:"created_at"`
+	NumMessages  int    `json:"num_messages"`
+	InputTokens  int    `json:"input_tokens"`
+	OutputTokens int    `json:"output_tokens"`
+	WorkingDir   string `json:"working_dir,omitempty"`
 }
 
 // SessionResponse represents a detailed session

pkg/app/app.go

@@ -16,7 +16,6 @@ import (
 )
 
 type App struct {
-	agentFilename    string
 	runtime          runtime.Runtime
 	session          *session.Session
 	firstMessage     *string
@@ -25,9 +24,8 @@ type App struct {
 	cancel           context.CancelFunc
 }
 
-func New(ctx context.Context, agentFilename string, rt runtime.Runtime, sess *session.Session, firstMessage *string) *App {
+func New(ctx context.Context, rt runtime.Runtime, sess *session.Session, firstMessage *string) *App {
 	app := &App{
-		agentFilename:    agentFilename,
 		runtime:          rt,
 		session:          sess,
 		firstMessage:     firstMessage,
@@ -129,7 +127,7 @@ func (a *App) EmitStartupInfo(ctx context.Context, events chan runtime.Event) {
 func (a *App) Run(ctx context.Context, cancel context.CancelFunc, message string) {
 	a.cancel = cancel
 	go func() {
-		a.session.AddMessage(session.UserMessage(a.agentFilename, message))
+		a.session.AddMessage(session.UserMessage(message))
 		for event := range a.runtime.RunStream(ctx, a.session) {
 			if ctx.Err() != nil {
 				return

pkg/cli/runner.go

@@ -38,7 +38,7 @@ type Config struct {
 }
 
 // Run executes an agent in non-TUI mode, handling user input and runtime events
-func Run(ctx context.Context, out *Printer, cfg Config, agentFilename string, rt runtime.Runtime, sess *session.Session, args []string) error {
+func Run(ctx context.Context, out *Printer, cfg Config, rt runtime.Runtime, sess *session.Session, args []string) error {
 	// Create a cancellable context for this agentic loop and wire Ctrl+C to cancel it
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()
@@ -79,7 +79,7 @@ func Run(ctx context.Context, out *Printer, cfg Config, agentFilename string, rt
 			finalAttachPath = cfg.AttachmentPath
 		}
 
-		sess.AddMessage(createUserMessageWithAttachment(agentFilename, messageText, finalAttachPath))
+		sess.AddMessage(createUserMessageWithAttachment(messageText, finalAttachPath))
 
 		firstLoop := true
 		lastAgent := rt.CurrentAgentName()
@@ -390,16 +390,16 @@ func parseAttachCommand(userInput string) (messageText, attachPath string) {
 }
 
 // createUserMessageWithAttachment creates a user message with optional image attachment
-func createUserMessageWithAttachment(agentFilename, userContent, attachmentPath string) *session.Message {
+func createUserMessageWithAttachment(userContent, attachmentPath string) *session.Message {
 	if attachmentPath == "" {
-		return session.UserMessage(agentFilename, userContent)
+		return session.UserMessage(userContent)
 	}
 
 	// Convert file to data URL
 	dataURL, err := fileToDataURL(attachmentPath)
 	if err != nil {
 		slog.Warn("Failed to attach file", "path", attachmentPath, "error", err)
-		return session.UserMessage(agentFilename, userContent)
+		return session.UserMessage(userContent)
 	}
 
 	// Ensure we have some text content when attaching a file
@@ -423,7 +423,7 @@ func createUserMessageWithAttachment(agentFilename, userContent, attachmentPath
 		},
 	}
 
-	return session.UserMessage(agentFilename, "", multiContent...)
+	return session.UserMessage("", multiContent...)
 }
 
 // fileToDataURL converts a file to a data URL

pkg/runtime/runtime.go

@@ -1335,7 +1335,7 @@ func (r *LocalRuntime) handleTaskTransfer(ctx context.Context, sess *session.Ses
 
 	s := session.New(
 		session.WithSystemMessage(memberAgentTask),
-		session.WithImplicitUserMessage("", "Follow the default instructions"),
+		session.WithImplicitUserMessage("Follow the default instructions"),
 		session.WithMaxIterations(child.MaxIterations()),
 		session.WithTitle("Transferred task"),
 		session.WithToolsApproved(sess.ToolsApproved),
@@ -1489,7 +1489,7 @@ func (r *LocalRuntime) Summarize(ctx context.Context, sess *session.Session, eve
 	)
 
 	summarySession := session.New(session.WithSystemMessage(systemPrompt))
-	summarySession.AddMessage(session.UserMessage("", userPrompt))
+	summarySession.AddMessage(session.UserMessage(userPrompt))
 	summarySession.Title = "Generating summary..."
 
 	summaryRuntime, err := New(newTeam, WithSessionCompaction(false))

pkg/server/server.go

@@ -40,20 +40,13 @@ type Server struct {
 	ociTeamKey     string
 	agentsDir      string
 	agentsPath     string // For local files: specific file path to reload (instead of scanning agentsDir)
-	rootFS         *os.Root
 }
 
 type Opt func(*Server) error
 
 func WithAgentsDir(dir string) Opt {
 	return func(s *Server) error {
-		rootFs, err := os.OpenRoot(dir)
-		if err != nil {
-			return fmt.Errorf("failed to open root filesystem at %s: %w", dir, err)
-		}
-
 		s.agentsDir = dir
-		s.rootFS = rootFs
 		return nil
 	}
 }
@@ -106,17 +99,11 @@ func New(sessionStore session.Store, runConfig *config.RuntimeConfig, teams map[
 
 	// List all available agents
 	group.GET("/agents", s.getAgents)
-	// Get an agent by id
-	group.GET("/agents/:id", s.getAgentConfig)
-	// Get an agent's raw YAML configuration by id
-	group.GET("/agents/:id/yaml", s.getAgentConfigYAML)
 
 	// SESSIONS
 
 	// List all sessions
 	group.GET("/sessions", s.getSessions)
-	// Get sessions by agent filename
-	group.GET("/sessions/agent/:id", s.getSessionsByAgent)
 	// Get a session by id
 	group.GET("/sessions/:id", s.getSession)
 	// Resume a session by id
@@ -154,7 +141,7 @@ func (s *Server) Serve(ctx context.Context, ln net.Listener) error {
 // hasAgentsDir returns true if the server has a local agents directory.
 // Returns false for OCI reference-based servers, which load from memory.
 func (s *Server) hasAgentsDir() bool {
-	return s.agentsDir != "" && s.rootFS != nil
+	return s.agentsDir != ""
 }
 
 // getTeam retrieves a team by key with read lock
@@ -191,38 +178,6 @@ func (s *Server) getOCIRef(key string) (string, bool) {
 
 // API handlers
 
-func (s *Server) getAgentConfig(c echo.Context) error {
-	agentID := c.Param("id")
-	p := addYamlExt(agentID)
-
-	data, err := s.rootFS.ReadFile(p)
-	if err != nil {
-		return fmt.Errorf("reading config file %s: %w", p, err)
-	}
-
-	cfg, err := config.Load(c.Request().Context(), teamloader.NewBytesSource(data))
-	if err != nil {
-		slog.Error("Failed to load config", "error", err)
-		return echo.NewHTTPError(http.StatusNotFound, "agent not found")
-	}
-
-	return c.JSON(http.StatusOK, cfg)
-}
-
-func (s *Server) getAgentConfigYAML(c echo.Context) error {
-	agentID := c.Param("id")
-	p := addYamlExt(agentID)
-
-	// Read the YAML file
-	yamlContent, err := s.rootFS.ReadFile(p)
-	if err != nil {
-		slog.Error("Failed to read agent YAML file", "path", p, "error", err)
-		return echo.NewHTTPError(http.StatusInternalServerError, "failed to read agent file")
-	}
-
-	return c.String(http.StatusOK, string(yamlContent))
-}
-
 func (s *Server) getAgents(c echo.Context) error {
 	// Refresh agents from disk to get the latest configurations
 	// Only refresh for local files/dirs (hasAgentsDir == true)
@@ -346,41 +301,13 @@ func (s *Server) getSessions(c echo.Context) error {
 	responses := make([]api.SessionsResponse, len(sessions))
 	for i, sess := range sessions {
 		responses[i] = api.SessionsResponse{
-			ID:                         sess.ID,
-			Title:                      sess.Title,
-			CreatedAt:                  sess.CreatedAt.Format(time.RFC3339),
-			NumMessages:                len(sess.GetAllMessages()),
-			InputTokens:                sess.InputTokens,
-			OutputTokens:               sess.OutputTokens,
-			GetMostRecentAgentFilename: sess.GetMostRecentAgentFilename(),
-			WorkingDir:                 sess.WorkingDir,
-		}
-	}
-	return c.JSON(http.StatusOK, responses)
-}
-
-func (s *Server) getSessionsByAgent(c echo.Context) error {
-	agentFilename := c.Param("id")
-	if agentFilename == "" {
-		return echo.NewHTTPError(http.StatusBadRequest, "id parameter is required")
-	}
-
-	sessions, err := s.sessionStore.GetSessionsByAgent(c.Request().Context(), agentFilename)
-	if err != nil {
-		return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("failed to get sessions for agent: %v", err))
-	}
-
-	responses := make([]api.SessionsResponse, len(sessions))
-	for i, sess := range sessions {
-		responses[i] = api.SessionsResponse{
-			ID:                         sess.ID,
-			Title:                      sess.Title,
-			CreatedAt:                  sess.CreatedAt.Format(time.RFC3339),
-			NumMessages:                len(sess.GetAllMessages()),
-			InputTokens:                sess.InputTokens,
-			OutputTokens:               sess.OutputTokens,
-			GetMostRecentAgentFilename: sess.GetMostRecentAgentFilename(),
-			WorkingDir:                 sess.WorkingDir,
+			ID:           sess.ID,
+			Title:        sess.Title,
+			CreatedAt:    sess.CreatedAt.Format(time.RFC3339),
+			NumMessages:  len(sess.GetAllMessages()),
+			InputTokens:  sess.InputTokens,
+			OutputTokens: sess.OutputTokens,
+			WorkingDir:   sess.WorkingDir,
 		}
 	}
 	return c.JSON(http.StatusOK, responses)
@@ -540,7 +467,7 @@ func (s *Server) runAgent(c echo.Context) error {
 	}
 
 	for _, msg := range messages {
-		sess.AddMessage(session.UserMessage(agentFilename, msg.Content, msg.MultiContent...))
+		sess.AddMessage(session.UserMessage(msg.Content, msg.MultiContent...))
 	}
 
 	if err := s.sessionStore.UpdateSession(c.Request().Context(), sess); err != nil {
@@ -655,13 +582,6 @@ func (s *Server) loadTeamForSession(ctx context.Context, agentFilename string, s
 	return t, nil
 }
 
-func addYamlExt(filename string) string {
-	if strings.HasSuffix(filename, ".yaml") || strings.HasSuffix(filename, ".yml") {
-		return filename
-	}
-	return filename + ".yaml"
-}
-
 func (s *Server) elicitation(c echo.Context) error {
 	sessionID := c.Param("id")
 	var req api.ResumeElicitationRequest