diff --git a/cobot/cli.py b/cobot/cli.py
index d42f26e..fc3b7c3 100644
--- a/cobot/cli.py
+++ b/cobot/cli.py
@@ -3,10 +3,12 @@ import sys
 
 # Import each command module so we can register its subparser.
 # Импортируем каждый модуль команды, чтобы зарегистрировать его подпарсер.
+from cobot.commands import clean as cmd_clean
 from cobot.commands import delete as cmd_delete
 from cobot.commands import docker_setup as cmd_docker_setup
 from cobot.commands import doc_setup as cmd_doc_setup
 from cobot.commands import local_setup as cmd_local_setup
+from cobot.commands import rebuild as cmd_rebuild
 from cobot.commands import robot_setup as cmd_robot_setup
 from cobot.commands import run as cmd_run
 from cobot.commands import setup as cmd_setup
@@ -27,6 +29,10 @@ _GROUPS = [
     ("Run", [
         ("run", "launch the robot controller or Webots simulator (local or Docker)"),
     ]),
+    ("Build", [
+        ("rebuild", "rebuild ROS2 packages in src/ with colcon"),
+        ("clean",   "remove colcon build artifacts (build/ install/ log/)"),
+    ]),
     ("Management", [
         ("update", "pull latest changes from the remote git branch and reinstall cobot"),
         ("delete", "remove the project, Docker images, containers, and optionally ROS2"),
@@ -107,5 +113,7 @@ def _register_commands(subparsers):
     cmd_doc_setup.register(subparsers)
     cmd_robot_setup.register(subparsers)
     cmd_run.register(subparsers)
+    cmd_rebuild.register(subparsers)
+    cmd_clean.register(subparsers)
     cmd_update.register(subparsers)
     cmd_delete.register(subparsers)
diff --git a/cobot/commands/clean.py b/cobot/commands/clean.py
new file mode 100644
index 0000000..4afa8c1
--- /dev/null
+++ b/cobot/commands/clean.py
@@ -0,0 +1,205 @@
+from __future__ import annotations
+
+import argparse
+import shutil
+from pathlib import Path
+from typing import Optional
+
+from textual.app import App
+
+from cobot.tui import SCREEN_CSS, InputScreen, LogScreen, PickScreen
+
+_PROJECT_DIR = Path(__file__).parent.parent.parent
+_BUILD_DIR = _PROJECT_DIR / "build"
+_INSTALL_DIR = _PROJECT_DIR / "install"
+_LOG_DIR = _PROJECT_DIR / "log"
+
+
+def _remove_dir(path: Path, write) -> None:
+    """Remove a directory tree if it exists, logging the result.
+    Рекурсивно удаляет директорию если она существует, выводя результат в лог.
+    """
+    if path.exists():
+        shutil.rmtree(path)
+        write(f"[green][ok][/green] Removed  {path.relative_to(_PROJECT_DIR)}")
+    else:
+        write(f"[dim]Not found: {path.relative_to(_PROJECT_DIR)}[/dim]")
+
+
+def _task_clean_all(screen: LogScreen) -> None:
+    """Delete build/, install/, and log/ directories entirely.
+    Полностью удаляет директории build/, install/ и log/.
+    """
+    try:
+        screen.set_progress(0, "Cleaning build/...")
+        screen.write("[bold]Cleaning all build artifacts[/bold]\n")
+
+        _remove_dir(_BUILD_DIR, screen.write)
+        if screen.is_stopped():
+            return
+
+        screen.set_progress(40, "Cleaning install/...")
+        _remove_dir(_INSTALL_DIR, screen.write)
+        if screen.is_stopped():
+            return
+
+        screen.set_progress(75, "Cleaning log/...")
+        _remove_dir(_LOG_DIR, screen.write)
+        if screen.is_stopped():
+            return
+
+        screen.set_progress(100, "Done")
+        screen.write("\n[green]All build artifacts removed.[/green]")
+        screen.finish(True)
+
+    except Exception as exc:
+        if not screen.is_stopped():
+            screen.write(f"\n[red]Error:[/red] {exc}")
+            screen.finish(False)
+
+
+def _task_clean_package(screen: LogScreen, package: str) -> None:
+    """Delete build/<pkg>, install/<pkg>, and all log/*/<pkg> directories.
+    Удаляет build/<pkg>, install/<pkg> и все log/*/<pkg> директории.
+    """
+    try:
+        screen.set_progress(0, f"Cleaning {package}...")
+        screen.write(f"[bold]Cleaning package: {package}[/bold]\n")
+
+        _remove_dir(_BUILD_DIR / package, screen.write)
+        if screen.is_stopped():
+            return
+
+        screen.set_progress(40, f"Cleaning install/{package}...")
+        _remove_dir(_INSTALL_DIR / package, screen.write)
+        if screen.is_stopped():
+            return
+
+        screen.set_progress(70, f"Cleaning log entries for {package}...")
+        # colcon creates one subdirectory per package inside each timestamped log run.
+        # colcon создаёт по одной поддиректории на пакет внутри каждого лога с временной меткой.
+        if _LOG_DIR.exists():
+            removed = 0
+            for log_run in _LOG_DIR.iterdir():
+                if not log_run.is_dir():
+                    continue
+                pkg_log = log_run / package
+                if pkg_log.exists():
+                    shutil.rmtree(pkg_log)
+                    screen.write(
+                        f"[green][ok][/green] Removed  log/{log_run.name}/{package}"
+                    )
+                    removed += 1
+            if removed == 0:
+                screen.write(f"[dim]No log entries found for {package}[/dim]")
+        else:
+            screen.write("[dim]Not found: log/[/dim]")
+
+        if screen.is_stopped():
+            return
+
+        screen.set_progress(100, "Done")
+        screen.write(f"\n[green]Package '{package}' artifacts removed.[/green]")
+        screen.finish(True)
+
+    except Exception as exc:
+        if not screen.is_stopped():
+            screen.write(f"\n[red]Error:[/red] {exc}")
+            screen.finish(False)
+
+
+class _CleanApp(App[None]):
+    """Clean wizard: asks what to clean (all / specific package) then runs deletion.
+    Мастер очистки: спрашивает что удалить (всё / конкретный пакет), затем выполняет удаление.
+    """
+
+    CSS = SCREEN_CSS
+
+    def __init__(self, target: Optional[str]):
+        super().__init__()
+        # None = ask, "all" = delete everything, anything else = package name.
+        # None = спросить, "all" = удалить всё, иначе = имя пакета.
+        self._target = target
+
+    def on_mount(self) -> None:
+        if self._target is None:
+            self._ask_target()
+        elif self._target == "all":
+            self._start_all()
+        else:
+            self._start_package(self._target)
+
+    def _ask_target(self) -> None:
+        self.push_screen(
+            PickScreen(
+                "clean",
+                "What do you want to clean?",
+                ["All (build/ install/ log/)", "Specific package"],
+                "All (build/ install/ log/)",
+            ),
+            self._got_target_choice,
+        )
+
+    def _got_target_choice(self, value: Optional[str]) -> None:
+        if value is None:
+            self.exit()
+            return
+        if value.startswith("All"):
+            self._start_all()
+        else:
+            self._ask_package()
+
+    def _ask_package(self) -> None:
+        self.push_screen(
+            InputScreen(
+                "clean",
+                "Package name to clean:",
+                "",
+                note="Example: iiwa_controller",
+            ),
+            self._got_package,
+        )
+
+    def _got_package(self, value: Optional[str]) -> None:
+        if value is None or not value.strip():
+            self.exit()
+            return
+        self._start_package(value.strip())
+
+    def _start_all(self) -> None:
+        self.push_screen(
+            LogScreen("Cleaning all artifacts", _task_clean_all, show_progress=True),
+            lambda _: self.exit(),
+        )
+
+    def _start_package(self, package: str) -> None:
+        self.push_screen(
+            LogScreen(
+                f"Cleaning package: {package}",
+                lambda s: _task_clean_package(s, package),
+                show_progress=True,
+            ),
+            lambda _: self.exit(),
+        )
+
+
+def register(subparsers: argparse._SubParsersAction) -> None:
+    p = subparsers.add_parser(
+        "clean",
+        help="Remove colcon build artifacts (build/ install/ log/)",
+    )
+    p.add_argument(
+        "target",
+        nargs="?",
+        metavar="all | PACKAGE",
+        default=None,
+        help="'all' to remove everything, or a package name to clean only that package",
+    )
+    p.set_defaults(func=run)
+
+
+def run(args: argparse.Namespace) -> None:
+    """Entry point for the clean command.
+    Точка входа для команды clean.
+    """
+    _CleanApp(getattr(args, "target", None)).run()
diff --git a/cobot/commands/rebuild.py b/cobot/commands/rebuild.py
new file mode 100644
index 0000000..b242f88
--- /dev/null
+++ b/cobot/commands/rebuild.py
@@ -0,0 +1,192 @@
+from __future__ import annotations
+
+import argparse
+import subprocess
+from pathlib import Path
+from typing import List, Optional
+
+from textual.app import App
+
+from cobot.tui import SCREEN_CSS, InputScreen, LogScreen, PickScreen
+from cobot.commands.local_setup import _ros2_env
+
+_PROJECT_DIR = Path(__file__).parent.parent.parent
+
+
+def _task_rebuild(screen: LogScreen, packages: List[str], symlink: bool) -> None:
+    """Run colcon build for the selected packages (or all if packages is empty).
+    Streams output to the log and tracks per-package progress.
+
+    Запускает colcon build для выбранных пакетов (или всех если packages пуст).
+    Транслирует вывод в лог и отслеживает прогресс по каждому пакету.
+    """
+    try:
+        env = _ros2_env()
+
+        # Count packages so we can show X / total progress.
+        # Считаем пакеты чтобы показывать X / всего в прогрессе.
+        list_cmd = ["colcon", "list", "--base-paths", "src"]
+        if packages:
+            list_cmd += ["--packages-select"] + packages
+        list_result = subprocess.run(
+            list_cmd, capture_output=True, text=True,
+            cwd=_PROJECT_DIR, env=env,
+        )
+        total = max(len([l for l in list_result.stdout.splitlines() if l.strip()]), 1)
+
+        pkg_label = " ".join(packages) if packages else "all packages"
+        symlink_label = " --symlink-install" if symlink else ""
+        screen.write(f"[bold]colcon build{symlink_label} — {pkg_label}[/bold]\n")
+        screen.set_progress(0, f"0 / {total} packages done")
+        built = 0
+
+        cmd = ["colcon", "build", "--base-paths", "src"]
+        if symlink:
+            cmd.append("--symlink-install")
+        if packages:
+            cmd += ["--packages-select"] + packages
+
+        proc = subprocess.Popen(
+            cmd,
+            stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+            text=True, cwd=_PROJECT_DIR, env=env,
+        )
+        screen.set_proc(proc)
+
+        for line in proc.stdout:
+            s = line.rstrip()
+            if s:
+                screen.write(s)
+            if "Finished <<<" in line or "Failed <<<" in line:
+                built += 1
+                screen.set_progress(
+                    built / total * 100,
+                    f"{built} / {total} packages done",
+                )
+        proc.wait()
+
+        if screen.is_stopped():
+            return
+
+        if proc.returncode not in (0, -9):
+            screen.write("\n[red]Build failed.[/red]")
+            screen.finish(False)
+            return
+
+        screen.set_progress(100, "Done")
+        screen.write("\n[green]Build complete.[/green]")
+        screen.finish(True)
+
+    except Exception as exc:
+        if not screen.is_stopped():
+            screen.write(f"\n[red]Error:[/red] {exc}")
+            screen.finish(False)
+
+
+class _RebuildApp(App[None]):
+    """Rebuild wizard: optionally asks for packages and symlink flag, then runs colcon.
+    Мастер пересборки: опционально спрашивает пакеты и флаг symlink, затем запускает colcon.
+    """
+
+    CSS = SCREEN_CSS
+
+    def __init__(self, packages: Optional[List[str]], symlink: Optional[bool]):
+        super().__init__()
+        # None means "ask the user interactively".
+        # None означает "спросить пользователя интерактивно".
+        self._packages = packages
+        self._symlink = symlink
+
+    def on_mount(self) -> None:
+        if self._packages is None:
+            self._ask_packages()
+        elif self._symlink is None:
+            self._ask_symlink()
+        else:
+            self._start()
+
+    def _ask_packages(self) -> None:
+        self.push_screen(
+            InputScreen(
+                "rebuild",
+                "Packages to rebuild (space-separated, leave empty for all):",
+                "",
+                note="Example: iiwa_controller iiwa_bringup",
+            ),
+            self._got_packages,
+        )
+
+    def _got_packages(self, value: Optional[str]) -> None:
+        if value is None:
+            self.exit()
+            return
+        self._packages = value.split() if value.strip() else []
+        if self._symlink is None:
+            self._ask_symlink()
+        else:
+            self._start()
+
+    def _ask_symlink(self) -> None:
+        self.push_screen(
+            PickScreen(
+                "rebuild",
+                "Use --symlink-install?",
+                ["Yes", "No"],
+                "Yes",
+            ),
+            self._got_symlink,
+        )
+
+    def _got_symlink(self, value: Optional[str]) -> None:
+        if value is None:
+            self.exit()
+            return
+        self._symlink = value == "Yes"
+        self._start()
+
+    def _start(self) -> None:
+        self.push_screen(
+            LogScreen(
+                "Rebuilding packages",
+                lambda s: _task_rebuild(s, self._packages, self._symlink),
+                show_progress=True,
+            ),
+            lambda _: self.exit(),
+        )
+
+
+def register(subparsers: argparse._SubParsersAction) -> None:
+    p = subparsers.add_parser(
+        "rebuild",
+        help="Rebuild ROS2 packages in src/ with colcon",
+    )
+    p.add_argument(
+        "packages",
+        nargs="*",
+        metavar="PACKAGE",
+        help="Packages to rebuild (omit to be asked, or leave empty for all)",
+    )
+    p.set_defaults(symlink=None)
+    p.add_argument(
+        "--symlink-install",
+        dest="symlink",
+        action="store_true",
+        help="Pass --symlink-install to colcon build",
+    )
+    p.add_argument(
+        "--no-symlink-install",
+        dest="symlink",
+        action="store_false",
+        help="Do not pass --symlink-install to colcon build",
+    )
+    p.set_defaults(func=run)
+
+
+def run(args: argparse.Namespace) -> None:
+    """Entry point for the rebuild command.
+    Точка входа для команды rebuild.
+    """
+    # Convert empty list to None so the TUI asks interactively.
+    # Преобразуем пустой список в None, чтобы TUI спросил интерактивно.
+    packages = args.packages if args.packages else None
+    _RebuildApp(packages, args.symlink).run()