diff --git a/cobot/commands/local_setup.py b/cobot/commands/local_setup.py
index 5a20a84..6c1e0e1 100644
--- a/cobot/commands/local_setup.py
+++ b/cobot/commands/local_setup.py
@@ -4,9 +4,6 @@ import argparse
 import os
 import shutil
 import subprocess
-import tempfile
-import threading
-import urllib.request
 from pathlib import Path
 from typing import Callable, List, Optional
 
@@ -23,42 +20,13 @@ _PROJECT_DIR = Path(__file__).parent.parent.parent
 # Название дистрибутива ROS2, который устанавливает этот скрипт.
 _DISTRO = "jazzy"
 
-# Path where apt expects the ROS2 GPG signing key to be stored.
-# Путь, по которому apt ожидает найти GPG-ключ подписи ROS2.
-_ROS_KEYRING = Path("/usr/share/keyrings/ros-archive-keyring.gpg")
-
-# Path to the apt sources file that points to the ROS2 package repository.
-# Путь к файлу источников apt, указывающему на репозиторий пакетов ROS2.
-_ROS_SOURCES = Path("/etc/apt/sources.list.d/ros2.list")
-
-# Path created by "rosdep init" to mark that rosdep has already been initialized.
-# Путь, создаваемый "rosdep init" для отметки того, что rosdep уже инициализирован.
-_ROSDEP_SOURCES = Path("/etc/ros/rosdep/sources.list.d/20-default.list")
-
-# Webots simulator version and the direct .deb download URL for amd64.
-# Версия симулятора Webots и прямая ссылка для скачивания .deb для amd64.
+# Webots simulator version targeted by this installer.
+# Версия симулятора Webots, устанавливаемая этим скриптом.
 _WEBOTS_VERSION = "2025a"
-_WEBOTS_DEB_URL = (
-    f"https://github.com/cyberbotics/webots/releases/download/"
-    f"R{_WEBOTS_VERSION}/webots_{_WEBOTS_VERSION}_amd64.deb"
-)
 
-# Environment variables passed to apt to suppress interactive prompts (e.g. "restart services?").
-# Переменные окружения для apt, подавляющие интерактивные запросы (например, "перезапустить сервисы?").
-_APT_ENV = {**os.environ, "DEBIAN_FRONTEND": "noninteractive"}
-
-# Extra apt options: short per-connection and per-transfer timeouts plus retry count.
-# Forces IPv4 because many VMs have broken IPv6 routing that causes silent hangs.
-# Дополнительные опции apt: короткие таймауты на соединение и передачу данных, плюс число повторов.
-# Принудительно используем IPv4, так как в VM часто сломана маршрутизация IPv6, что вызывает зависания.
-_APT_OPTS = [
-    "-o", "Acquire::http::ConnectTimeout=15",
-    "-o", "Acquire::https::ConnectTimeout=15",
-    "-o", "Acquire::http::Timeout=30",
-    "-o", "Acquire::https::Timeout=30",
-    "-o", "Acquire::Retries=2",
-    "-o", "Acquire::ForceIPv4=true",
-]
+# Directory that contains the shell scripts used by this command.
+# Директория с shell-скриптами, используемыми этой командой.
+_SCRIPTS_DIR = _PROJECT_DIR / "scripts"
 
 # Type alias for the callable used to write a line to the TUI log screen.
 # Псевдоним типа для функции записи строки в лог TUI.
@@ -165,354 +133,58 @@ def _run_logged(
         raise RuntimeError(f"Command failed: {cmd[0]}")
 
 
-def _run_apt_with_progress(
-    cmd: List[str],
-    write: Write,
-    on_progress: Callable[[float], None],
-    env: dict | None = None,
-    register_proc: Callable | None = None,
-) -> None:
-    """Run an apt command, stream its stdout to the log, and report download progress.
-
-    Uses APT::Status-Fd to receive machine-readable progress lines on a private
-    pipe. A background thread reads the pipe and calls on_progress(0-100) for
-    each percentage update. When a new URI starts downloading it is printed to
-    the log so the user can see what is being fetched.
-
-    Запускает команду apt, передаёт stdout в лог и показывает прогресс скачивания.
-    Использует APT::Status-Fd для получения машинночитаемых строк прогресса через
-    приватный канал. Фоновый поток читает канал и вызывает on_progress(0-100) при
-    каждом обновлении процента. При начале скачивания нового файла его URI
-    выводится в лог, чтобы пользователь видел что именно загружается.
-    """
-    r_fd, w_fd = os.pipe()
-    try:
-        proc = subprocess.Popen(
-            cmd + ["-o", f"APT::Status-Fd={w_fd}"],
-            stdout=subprocess.PIPE,
-            stderr=subprocess.STDOUT,
-            text=True,
-            env=env or os.environ,
-            pass_fds=(w_fd,),
-        )
-    finally:
-        # Close the write end in the parent so the reader thread gets EOF when apt exits.
-        # Закрываем пишущий конец в родителе, чтобы читающий поток получил EOF при выходе apt.
-        os.close(w_fd)
-
-    if register_proc:
-        register_proc(proc)
-
-    def _read_status() -> None:
-        """Parse APT::Status-Fd lines and forward percentage and URI info.
-
-        Status-Fd line format: dlstatus:index:pct:message
-        or for package installs: pmstatus:pkg:pct:message
-
-        Разбирает строки APT::Status-Fd и передаёт процент и URI.
-        Формат строки: dlstatus:index:pct:message
-        или для установки пакетов: pmstatus:pkg:pct:message
-        """
-        last_uri: str = ""
-        fetched = 0
-        with os.fdopen(r_fd, "r") as f:
-            for line in f:
-                parts = line.strip().split(":", 3)
-                if len(parts) < 3:
-                    continue
-                kind, _, pct_str = parts[0], parts[1], parts[2]
-                msg = parts[3] if len(parts) == 4 else ""
-                try:
-                    on_progress(float(pct_str))
-                except ValueError:
-                    continue
-                if kind == "dlstatus" and msg:
-                    # Print each new URI once as it starts downloading.
-                    # Выводим каждый новый URI один раз при начале загрузки.
-                    uri = msg.split()[0]
-                    if uri != last_uri:
-                        last_uri = uri
-                        fetched += 1
-                        write(f"[dim][{fetched}] {msg}[/dim]")
-
-    t = threading.Thread(target=_read_status, daemon=True)
-    t.start()
-    for line in proc.stdout:
-        s = line.rstrip()
-        if s:
-            write(s)
-    proc.wait()
-    t.join()
-
-    if proc.returncode not in (0, -9):
-        raise RuntimeError(f"Command failed: {cmd[0]}")
-
-
-# Installation steps - each step maps to one visible phase in the log screen
-# Шаги установки - каждый шаг соответствует одной видимой фазе в экране лога
-def _step_prereqs(
-    write: Write,
-    on_progress: Callable[[float], None],
-    register_proc: Callable | None = None,
-) -> None:
-    """Step 1 - Refresh apt cache and install packages required for the ROS2 setup.
-
-    Installs: software-properties-common, curl, gnupg2, lsb-release, build-essential.
-    Also enables the Ubuntu universe repository which some ROS2 dependencies live in.
-
-    Шаг 1 - Обновляет кеш apt и устанавливает пакеты, необходимые для настройки ROS2.
-    Устанавливает: software-properties-common, curl, gnupg2, lsb-release, build-essential.
-    Также включает репозиторий Ubuntu universe, в котором находятся некоторые зависимости ROS2.
-    """
-    write("[bold]Step 1 / 5 - Prerequisites[/bold]")
-    write("[cyan][*][/cyan] Updating package lists...")
-    _run_apt_with_progress(
-        ["sudo", "apt-get", "update"] + _APT_OPTS,
-        write, on_progress, _APT_ENV, register_proc,
-    )
-    write("[cyan][*][/cyan] Installing prerequisites...")
-    _run_apt_with_progress(
-        [
-            "sudo", "apt-get", "install", "-y", "--no-install-recommends",
-            "software-properties-common", "curl", "gnupg2",
-            "lsb-release", "build-essential",
-        ] + _APT_OPTS,
-        write, on_progress, _APT_ENV, register_proc,
-    )
-    write("[cyan][*][/cyan] Adding universe repository...")
-    # --no-update prevents add-apt-repository from running its own apt-get update,
-    # which would ignore our timeout options and could hang indefinitely.
-    # --no-update запрещает add-apt-repository запускать собственный apt-get update,
-    # который игнорирует наши таймауты и может зависнуть.
-    _run_logged(["sudo", "add-apt-repository", "-y", "--no-update", "universe"], write,
-                register_proc=register_proc)
-    write("[green][ok][/green] Prerequisites ready")
-
-
-def _step_ros2_repo(
-    write: Write,
-    on_progress: Callable[[float], None],
-    register_proc: Callable | None = None,
-) -> None:
-    """Step 2 - Download the ROS2 signing key and register the ROS2 apt repository.
-
-    Removes any previous key and sources file first so re-runs always start clean.
-    Downloads the key from the official ros/rosdistro GitHub repository, writes it
-    to the system keyring, then creates /etc/apt/sources.list.d/ros2.list and
-    refreshes only that source to avoid updating all Ubuntu mirrors.
-
-    Шаг 2 - Скачивает ключ подписи ROS2 и регистрирует репозиторий apt ROS2.
-    Сначала удаляет предыдущие ключ и файл источников, чтобы повторные запуски
-    всегда начинались с чистого состояния. Скачивает ключ с официального GitHub
-    репозитория ros/rosdistro, записывает его в системный кейринг, затем создаёт
-    /etc/apt/sources.list.d/ros2.list и обновляет только этот источник.
-    """
-    write("\n[bold]Step 2 / 5 - ROS2 repository[/bold]")
-
-    # Remove previous key and sources file to avoid stale config on re-runs.
-    # Удаляем предыдущие ключ и файл источников для чистого состояния при повторных запусках.
-    for path in (_ROS_KEYRING, _ROS_SOURCES):
-        if path.exists():
-            subprocess.run(["sudo", "rm", "-f", str(path)], check=False)
-            write(f"[dim]Removed {path}[/dim]")
-
-    write("[cyan][*][/cyan] Downloading ROS2 signing key...")
-    key_url = "https://raw.githubusercontent.com/ros/rosdistro/master/ros.key"
-    with tempfile.NamedTemporaryFile(delete=False, suffix=".gpg") as tmp:
-        tmp_path = tmp.name
-    try:
-        with urllib.request.urlopen(key_url, timeout=30) as resp:
-            Path(tmp_path).write_bytes(resp.read())
-        subprocess.run(
-            ["sudo", "install", "-m", "644", tmp_path, str(_ROS_KEYRING)],
-            check=True,
-        )
-    finally:
-        Path(tmp_path).unlink(missing_ok=True)
-    write("[green][ok][/green] Signing key installed")
-
-    # Detect machine architecture and Ubuntu codename to build the sources.list line.
-    # Определяем архитектуру машины и кодовое имя Ubuntu для строки sources.list.
-    arch = subprocess.check_output(["dpkg", "--print-architecture"], text=True).strip()
-    codename = subprocess.check_output(
-        ["bash", "-c", ". /etc/os-release && echo ${UBUNTU_CODENAME:-${VERSION_CODENAME}}"],
-        text=True,
-    ).strip()
-    sources_line = (
-        f"deb [arch={arch} signed-by={_ROS_KEYRING}] "
-        f"http://packages.ros.org/ros2/ubuntu {codename} main\n"
-    )
-    result = subprocess.run(
-        ["sudo", "tee", str(_ROS_SOURCES)],
-        input=sources_line, capture_output=True, text=True,
-    )
-    if result.returncode != 0:
-        raise RuntimeError(f"Failed to write {_ROS_SOURCES}")
-    write(f"[dim]{_ROS_SOURCES}[/dim]")
-
-    # Update only the ROS2 source - avoids downloading all Ubuntu mirror metadata.
-    # Обновляем только источник ROS2 - избегаем скачивания метаданных всех зеркал Ubuntu.
-    write("[cyan][*][/cyan] Updating ROS2 package list...")
-    _run_apt_with_progress(
-        [
-            "sudo", "apt-get", "update",
-            "-o", f"Dir::Etc::sourcelist={_ROS_SOURCES}",
-            "-o", "Dir::Etc::sourceparts=-",
-            "-o", "APT::Get::List-Cleanup=0",
-        ] + _APT_OPTS,
-        write, on_progress, _APT_ENV, register_proc,
-    )
-    write("[green][ok][/green] ROS2 repository ready")
-
-
-def _step_install_ros2(
-    write: Write,
-    on_progress: Callable[[float], None],
-    pkg: str,
-    register_proc: Callable | None = None,
-) -> None:
-    """Step 3 - Install the chosen ROS2 Jazzy package via apt.
-
-    pkg is either "desktop" (full install with GUI tools) or "ros-base"
-    (minimal headless install). The full package name becomes ros-jazzy-{pkg}.
-
-    Шаг 3 - Устанавливает выбранный пакет ROS2 Jazzy через apt.
-    pkg - это либо "desktop" (полная установка с GUI), либо "ros-base"
-    (минимальная установка без GUI). Полное имя пакета: ros-jazzy-{pkg}.
-    """
-    write(f"\n[bold]Step 3 / 5 - ros-{_DISTRO}-{pkg}[/bold]")
-    write(f"[cyan][*][/cyan] Installing ros-{_DISTRO}-{pkg}...")
-    _run_apt_with_progress(
-        ["sudo", "apt-get", "install", "-y", f"ros-{_DISTRO}-{pkg}"] + _APT_OPTS,
-        write, on_progress, _APT_ENV, register_proc,
-    )
-    write(f"[green][ok][/green] ros-{_DISTRO}-{pkg} installed")
-
-
-def _step_dev_tools(
-    write: Write,
-    on_progress: Callable[[float], None],
-    register_proc: Callable | None = None,
-) -> None:
-    """Step 4 - Install colcon, rosdep, vcstool and initialize rosdep.
-
-    Installs the Python packages needed to build and manage ROS2 workspaces.
-    Runs "rosdep init" only if it has not been run before, then always runs
-    "rosdep update" to fetch the latest package index.
-
-    Шаг 4 - Устанавливает colcon, rosdep, vcstool и инициализирует rosdep.
-    Устанавливает Python-пакеты, необходимые для сборки и управления рабочими
-    пространствами ROS2. Запускает "rosdep init" только если он ещё не запускался,
-    затем всегда запускает "rosdep update" для получения свежего индекса пакетов.
-    """
-    write("\n[bold]Step 4 / 5 - Dev tools[/bold]")
-    write("[cyan][*][/cyan] Installing colcon, rosdep, vcstool...")
-    _run_apt_with_progress(
-        [
-            "sudo", "apt-get", "install", "-y",
-            "python3-argcomplete",
-            "python3-colcon-clean",
-            "python3-colcon-common-extensions",
-            "python3-rosdep",
-            "python3-vcstool",
-        ] + _APT_OPTS,
-        write, on_progress, _APT_ENV, register_proc,
-    )
-    if not _ROSDEP_SOURCES.exists():
-        write("[cyan][*][/cyan] Initializing rosdep...")
-        _run_logged(["sudo", "rosdep", "init"], write, register_proc=register_proc)
-    else:
-        write("[green][ok][/green] rosdep already initialized")
-    write("[cyan][*][/cyan] Updating rosdep...")
-    _run_logged(["rosdep", "update", "--rosdistro", _DISTRO], write,
-                register_proc=register_proc)
-    write("[green][ok][/green] Dev tools ready")
-
-
-def _step_shell_setup(write: Write) -> None:
-    """Step 5 - Append ROS2 environment setup lines to the user shell rc file.
-
-    Adds "source /opt/ros/jazzy/setup.bash" so ROS2 commands are available in
-    every new terminal. Also adds a commented-out ROS_AUTOMATIC_DISCOVERY_RANGE
-    line as a reminder for multi-machine setups. Both lines are added only once.
-
-    Шаг 5 - Добавляет строки настройки окружения ROS2 в rc-файл оболочки пользователя.
-    Добавляет "source /opt/ros/jazzy/setup.bash" чтобы команды ROS2 были доступны
-    в каждом новом терминале. Также добавляет закомментированную строку
-    ROS_AUTOMATIC_DISCOVERY_RANGE как напоминание для многомашинных настроек.
-    Обе строки добавляются только один раз.
-    """
-    write("\n[bold]Step 5 / 5 - Shell configuration[/bold]")
-    shell_name = Path(os.environ.get("SHELL", "/bin/bash")).name
-    rc = Path.home() / (".zshrc" if shell_name == "zsh" else ".bashrc")
-    rc_text = rc.read_text() if rc.exists() else ""
-
-    source_line = f"source /opt/ros/{_DISTRO}/setup.bash"
-    discovery_comment = "# export ROS_AUTOMATIC_DISCOVERY_RANGE=LOCALHOST"
-
-    additions = []
-    if source_line not in rc_text:
-        additions.append(source_line)
-    if discovery_comment not in rc_text:
-        additions.append(discovery_comment)
-
-    if additions:
-        with rc.open("a") as f:
-            f.write(f"\n# ROS2 {_DISTRO}\n")
-            for line in additions:
-                f.write(line + "\n")
-        write(f"[green][ok][/green] Added ROS2 setup to ~/{rc.name}")
-    else:
-        write(f"[green][ok][/green] ROS2 setup already in ~/{rc.name}")
-
-
 # Tasks - long-running functions executed inside a LogScreen background thread
 # Задачи - долгие функции, выполняемые в фоновом потоке внутри LogScreen
+def _run_script(script: Path, screen: LogScreen) -> None:
+    """Run a shell script, stream its output to the TUI log, and parse
+    PROGRESS:<pct>:<label> markers to update the progress bar.
+    Raises RuntimeError if the script exits with a non-zero code.
+    Запускает shell-скрипт, транслирует вывод в лог TUI и разбирает маркеры
+    PROGRESS:<pct>:<метка> для обновления прогресс-бара.
+    Выбрасывает RuntimeError если скрипт завершился с ненулевым кодом.
+    """
+    proc = subprocess.Popen(
+        ["bash", str(script)],
+        stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+        text=True, cwd=_PROJECT_DIR,
+    )
+    screen.set_proc(proc)
+    for line in proc.stdout:
+        s = line.rstrip()
+        if s.startswith("PROGRESS:"):
+            # Format emitted by scripts: PROGRESS:<pct>:<label>
+            # Формат, выводимый скриптами: PROGRESS:<pct>:<метка>
+            parts = s.split(":", 2)
+            try:
+                screen.set_progress(float(parts[1]), parts[2] if len(parts) > 2 else "")
+            except (ValueError, IndexError):
+                pass
+        elif s:
+            screen.write(s)
+    proc.wait()
+    if proc.returncode not in (0, -9):
+        raise RuntimeError(f"Script failed (exit {proc.returncode}): {script.name}")
+
+
 def _task_install(screen: LogScreen, pkg: str) -> None:
-    """Full ROS2 Jazzy installation task, split into 5 sequential steps.
-
-    Maps each step to a sub-range of the 0-100% progress bar so the bar
-    advances smoothly through prerequisites, repo setup, ROS2 install,
-    dev tools and shell configuration.
-
-    Полная задача установки ROS2 Jazzy, разбитая на 5 последовательных шагов.
-    Каждый шаг отображается в своём диапазоне прогресс-бара 0-100%, так что
-    бар плавно движется через prerequisites, настройку репозитория, установку
-    ROS2, инструменты разработчика и настройку оболочки.
+    """Run the ROS2 Jazzy installation shell script for the chosen variant (desktop / ros-base).
+    The script emits PROGRESS: markers so the bar advances during installation.
+    Запускает shell-скрипт установки ROS2 Jazzy для выбранного варианта (desktop / ros-base).
+    Скрипт выводит маркеры PROGRESS:, чтобы прогресс-бар обновлялся во время установки.
     """
     try:
-        def prog(lo: float, hi: float) -> Callable[[float], None]:
-            """Map a 0-100 apt percentage into the [lo, hi] sub-range of the progress bar.
-            Отображает 0-100% apt в поддиапазон [lo, hi] прогресс-бара.
-            """
-            return lambda p: screen.set_progress(lo + p / 100.0 * (hi - lo))
-
-        screen.set_progress(0, "Preparing...")
-        _step_prereqs(screen.write, prog(0, 15), register_proc=screen.set_proc)
-        if screen.is_stopped():
+        # "desktop" -> setup_ros2_desktop.sh, "ros-base" -> setup_ros2_ros_base.sh
+        script = _SCRIPTS_DIR / f"setup_ros2_{pkg.replace('-', '_')}.sh"
+        if not script.exists():
+            screen.write(f"[red]Script not found:[/red] {script}")
+            screen.finish(False)
             return
-
-        screen.set_progress(15, "Setting up ROS2 repository...")
-        _step_ros2_repo(screen.write, prog(15, 30), register_proc=screen.set_proc)
-        if screen.is_stopped():
-            return
-
-        screen.set_progress(30, f"Installing ros-{_DISTRO}-{pkg}...")
-        _step_install_ros2(screen.write, prog(30, 75), pkg, register_proc=screen.set_proc)
-        if screen.is_stopped():
-            return
-
-        screen.set_progress(75, "Installing dev tools...")
-        _step_dev_tools(screen.write, prog(75, 95), register_proc=screen.set_proc)
-        if screen.is_stopped():
-            return
-
-        screen.set_progress(95, "Configuring shell...")
-        _step_shell_setup(screen.write)
-        screen.set_progress(100, "Done")
-
-        screen.write(f"\n[green]ROS2 {_DISTRO} installed successfully.[/green]")
-        screen.finish(True)
+        screen.set_progress(0, "Starting installation...")
+        _run_script(script, screen)
+        if not screen.is_stopped():
+            screen.set_progress(100, "Done")
+            screen.write(f"\n[green]ROS2 {_DISTRO} ({pkg}) installed successfully.[/green]")
+            screen.finish(True)
     except Exception as exc:
         if not screen.is_stopped():
             screen.write(f"\n[red]Error:[/red] {exc}")
@@ -601,72 +273,22 @@ def _task_build(screen: LogScreen) -> None:
 
 
 def _task_install_webots(screen: LogScreen) -> None:
-    """Download the Webots .deb from GitHub and install it with apt.
+    """Run the Webots installation shell script, streaming output and progress to the TUI.
 
-    Progress is split into two phases:
-    - 0-65%: downloading the .deb file (streamed in 64 KB chunks).
-    - 65-100%: running apt-get install on the downloaded file.
-
-    Скачивает .deb Webots с GitHub и устанавливает его через apt.
-    Прогресс разделён на две фазы:
-    - 0-65%: скачивание .deb файла (потоковое, кусками по 64 КБ).
-    - 65-100%: запуск apt-get install для скачанного файла.
+    Запускает shell-скрипт установки Webots, транслируя вывод и прогресс в TUI.
     """
     try:
-        screen.write(f"[bold]Installing Webots {_WEBOTS_VERSION}[/bold]\n")
-        screen.write(f"[dim]{_WEBOTS_DEB_URL}[/dim]\n")
-        screen.set_progress(0, "Downloading Webots...")
-
-        with tempfile.TemporaryDirectory() as tmp:
-            deb_path = Path(tmp) / f"webots_{_WEBOTS_VERSION}_amd64.deb"
-
-            with urllib.request.urlopen(_WEBOTS_DEB_URL, timeout=30) as resp:
-                total = int(resp.headers.get("Content-Length", 0))
-                downloaded = 0
-                with open(deb_path, "wb") as f:
-                    while True:
-                        if screen.is_stopped():
-                            return
-                        chunk = resp.read(65536)
-                        if not chunk:
-                            break
-                        f.write(chunk)
-                        downloaded += len(chunk)
-                        if total > 0:
-                            pct = min(downloaded / total * 65, 65)
-                            mb = downloaded / 1_048_576
-                            total_mb = total / 1_048_576
-                            screen.set_progress(pct, f"Downloading... {mb:.0f} / {total_mb:.0f} MB")
-
-            if screen.is_stopped():
-                return
-
-            screen.write("[green]Download complete.[/green]")
-            screen.set_progress(65, "Installing package...")
-
-            proc = subprocess.Popen(
-                ["sudo", "apt-get", "install", "-y", str(deb_path)],
-                stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
-                text=True,
-            )
-            screen.set_proc(proc)
-            for line in proc.stdout:
-                s = line.rstrip()
-                if s:
-                    screen.write(s)
-            proc.wait()
-
-        if proc.returncode not in (0, -9):
-            screen.write("\n[red]Webots installation failed.[/red]")
+        script = _SCRIPTS_DIR / "install_webots.sh"
+        if not script.exists():
+            screen.write(f"[red]Script not found:[/red] {script}")
             screen.finish(False)
             return
-
-        if screen.is_stopped():
-            return
-
-        screen.set_progress(100, "Done")
-        screen.write("\n[green]Webots installed successfully.[/green]")
-        screen.finish(True)
+        screen.set_progress(0, "Starting Webots installation...")
+        _run_script(script, screen)
+        if not screen.is_stopped():
+            screen.set_progress(100, "Done")
+            screen.write(f"\n[green]Webots {_WEBOTS_VERSION} installed successfully.[/green]")
+            screen.finish(True)
     except Exception as exc:
         if not screen.is_stopped():
             screen.write(f"\n[red]Error:[/red] {exc}")
diff --git a/scripts/install_webots.sh b/scripts/install_webots.sh
new file mode 100755
index 0000000..f3fc272
--- /dev/null
+++ b/scripts/install_webots.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+# Download and install the Webots simulator from the Cyberbotics GitHub release.
+# Emits PROGRESS:<pct>:<label> lines so the Python caller can update its progress bar.
+# Скачивает и устанавливает симулятор Webots из релизов GitHub Cyberbotics.
+# Выводит строки PROGRESS:<pct>:<метка> для обновления прогресс-бара в Python.
+set -euo pipefail
+export DEBIAN_FRONTEND=noninteractive
+
+PROGRESS() { echo "PROGRESS:$1:$2"; }
+
+WEBOTS_VERSION="2025a"
+DEB_URL="https://github.com/cyberbotics/webots/releases/download/R${WEBOTS_VERSION}/webots_${WEBOTS_VERSION}_amd64.deb"
+TMP_DIR="$(mktemp -d)"
+DEB_PATH="${TMP_DIR}/webots_${WEBOTS_VERSION}_amd64.deb"
+
+cleanup() { rm -rf "$TMP_DIR"; }
+trap cleanup EXIT
+
+PROGRESS 5 "Downloading Webots ${WEBOTS_VERSION}..."
+echo "Downloading Webots ${WEBOTS_VERSION}..."
+echo "URL: ${DEB_URL}"
+
+# wget writes download progress to stderr; redirect to stdout so it appears in the TUI log.
+wget --progress=dot:mega -O "$DEB_PATH" "$DEB_URL" 2>&1
+
+PROGRESS 70 "Installing Webots package..."
+echo "Download complete. Installing..."
+
+sudo apt-get install -y "$DEB_PATH"
+
+PROGRESS 100 "Done"
+echo "Webots ${WEBOTS_VERSION} installed successfully."
diff --git a/scripts/setup_ros2_desktop.sh b/scripts/setup_ros2_desktop.sh
new file mode 100755
index 0000000..5c9984e
--- /dev/null
+++ b/scripts/setup_ros2_desktop.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+# Install ROS2 Jazzy Desktop on Ubuntu 24.04.
+# Emits PROGRESS:<pct>:<label> lines so the Python caller can update its progress bar.
+# Устанавливает ROS2 Jazzy Desktop на Ubuntu 24.04.
+# Выводит строки PROGRESS:<pct>:<метка> для обновления прогресс-бара в Python.
+set -euo pipefail
+export DEBIAN_FRONTEND=noninteractive
+
+PROGRESS() { echo "PROGRESS:$1:$2"; }
+
+PROGRESS 0 "Setting up locale..."
+echo "Setting up locale..."
+sudo apt-get update -q
+sudo apt-get install -y -q locales
+sudo locale-gen en_US en_US.UTF-8
+sudo update-locale LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
+export LANG=en_US.UTF-8
+
+PROGRESS 8 "Adding universe repository..."
+echo "Adding universe repository..."
+sudo apt-get install -y -q software-properties-common
+sudo add-apt-repository -y universe
+
+PROGRESS 16 "Adding ROS2 GPG key..."
+echo "Adding ROS2 GPG key..."
+sudo apt-get update -q
+sudo apt-get install -y -q curl
+sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key \
+    -o /usr/share/keyrings/ros-archive-keyring.gpg
+
+PROGRESS 22 "Configuring ROS2 apt repository..."
+echo "Configuring ROS2 apt repository..."
+echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] \
+http://packages.ros.org/ros2/ubuntu $(. /etc/os-release && echo "$UBUNTU_CODENAME") main" \
+    | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null
+
+PROGRESS 28 "Updating package lists..."
+echo "Updating package lists..."
+sudo apt-get update -q
+sudo apt-get upgrade -y -q
+
+PROGRESS 35 "Installing ros-jazzy-desktop (this may take a while)..."
+echo "Installing ros-jazzy-desktop..."
+sudo apt-get install -y ros-jazzy-desktop
+
+PROGRESS 75 "Installing ROS2 dev tools..."
+echo "Installing ROS2 dev tools..."
+sudo apt-get install -y ros-dev-tools
+
+PROGRESS 88 "Initializing rosdep..."
+echo "Initializing rosdep..."
+sudo rosdep init 2>/dev/null || true
+rosdep update
+
+PROGRESS 100 "Done"
+echo "ROS2 Jazzy Desktop installed successfully."
diff --git a/scripts/setup_ros2_ros_base.sh b/scripts/setup_ros2_ros_base.sh
new file mode 100755
index 0000000..d481886
--- /dev/null
+++ b/scripts/setup_ros2_ros_base.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+# Install ROS2 Jazzy (ros-base) on Ubuntu 24.04.
+# Emits PROGRESS:<pct>:<label> lines so the Python caller can update its progress bar.
+# Устанавливает ROS2 Jazzy (ros-base) на Ubuntu 24.04.
+# Выводит строки PROGRESS:<pct>:<метка> для обновления прогресс-бара в Python.
+set -euo pipefail
+export DEBIAN_FRONTEND=noninteractive
+
+PROGRESS() { echo "PROGRESS:$1:$2"; }
+
+PROGRESS 0 "Setting up locale..."
+echo "Setting up locale..."
+sudo apt-get update -q
+sudo apt-get install -y -q locales
+sudo locale-gen en_US en_US.UTF-8
+sudo update-locale LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
+export LANG=en_US.UTF-8
+
+PROGRESS 8 "Adding universe repository..."
+echo "Adding universe repository..."
+sudo apt-get install -y -q software-properties-common
+sudo add-apt-repository -y universe
+
+PROGRESS 16 "Adding ROS2 GPG key..."
+echo "Adding ROS2 GPG key..."
+sudo apt-get update -q
+sudo apt-get install -y -q curl
+sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key \
+    -o /usr/share/keyrings/ros-archive-keyring.gpg
+
+PROGRESS 22 "Configuring ROS2 apt repository..."
+echo "Configuring ROS2 apt repository..."
+echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] \
+http://packages.ros.org/ros2/ubuntu $(. /etc/os-release && echo "$UBUNTU_CODENAME") main" \
+    | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null
+
+PROGRESS 28 "Updating package lists..."
+echo "Updating package lists..."
+sudo apt-get update -q
+sudo apt-get upgrade -y -q
+
+PROGRESS 35 "Installing ros-jazzy-ros-base (this may take a while)..."
+echo "Installing ros-jazzy-ros-base..."
+sudo apt-get install -y ros-jazzy-ros-base
+
+PROGRESS 75 "Installing ROS2 dev tools..."
+echo "Installing ROS2 dev tools..."
+sudo apt-get install -y ros-dev-tools
+
+PROGRESS 88 "Initializing rosdep..."
+echo "Initializing rosdep..."
+sudo rosdep init 2>/dev/null || true
+rosdep update
+
+PROGRESS 100 "Done"
+echo "ROS2 Jazzy (ros-base) installed successfully."