fix session with split screens

internals/handlers.go

@@ -57,19 +57,17 @@ func handleStaticJS(w http.ResponseWriter, r *http.Request) {
 	w.Write(data)
 }
 
-// handleIndex: clean URL, always creates a fresh session.
-// The session-specific /s/<id> URL is available in the toolbar for sharing.
+// handleIndex: always creates a fresh workspace and redirects to its stable URL.
+// PTY sessions are started lazily by the frontend via WebSocket connections.
 func handleIndex(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Path != "/" {
 		http.NotFound(w, r)
 		return
 	}
-	id := randHex(16)
-	getOrCreate(id)
-	serveTerminalPage(w, id, isAuthed(r))
+	http.Redirect(w, r, "/s/"+randHex(16), http.StatusFound)
 }
 
-// handleShell: reconnects to a specific session by ID.
+// handleShell: serves the terminal page for an existing (or new) workspace ID.
 func handleShell(w http.ResponseWriter, r *http.Request) {
 	id := strings.TrimPrefix(r.URL.Path, "/s/")
 	if !validID(id) {
@@ -79,14 +77,14 @@ func handleShell(w http.ResponseWriter, r *http.Request) {
 	serveTerminalPage(w, id, isAuthed(r))
 }
 
-func serveTerminalPage(w http.ResponseWriter, id string, authed bool) {
+func serveTerminalPage(w http.ResponseWriter, workspaceID string, authed bool) {
 	authedStr := "false"
 	if authed {
 		authedStr = "true"
 	}
 	html := strings.NewReplacer(
-		"[[SESSION_ID]]", id,
-		"[[AUTHED]]",     authedStr,
+		"[[WORKSPACE_ID]]", workspaceID,
+		"[[AUTHED]]",       authedStr,
 	).Replace(shellPageHTML)
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
 	w.Write([]byte(html))