feat: improve updater flow and release channels

- added dedicated GUI updater executable and integrated launch path from main app

- added stable/beta update channel selection with persisted settings and checker support

- expanded CI/release validation to include updater and full test discovery

build.py

@@ -6,12 +6,14 @@ from app_version import APP_VERSION
 
 # --- Конфигурация ---
 APP_NAME = "AnabasisManager"
+UPDATER_NAME = "AnabasisUpdater"
 VERSION = APP_VERSION  # Единая версия приложения
 MAIN_SCRIPT = "main.py"
+UPDATER_SCRIPT = "updater_gui.py"
 ICON_PATH = "icon.ico"
 DIST_DIR = os.path.join("dist", APP_NAME)
 ARCHIVE_NAME = f"{APP_NAME}-{VERSION}"  # Формат Название-Версия
-SAFE_CLEAN_ROOT_FILES = {"main.py", "requirements.txt", "build.py"}
+SAFE_CLEAN_ROOT_FILES = {"main.py", "updater_gui.py", "requirements.txt", "build.py"}
 REMOVE_LIST = [
     "Qt6Pdf.dll", "Qt6PdfQuick.dll", "Qt6PdfWidgets.dll",
     "Qt6VirtualKeyboard.dll", "Qt6Positioning.dll",
@@ -58,6 +60,29 @@ def run_build():
         sys.exit(1)
 
 
+def run_updater_build():
+    print(f"\n--- 1.2 Сборка {UPDATER_NAME} ---")
+    command = [
+        "pyinstaller",
+        "--noconfirm",
+        "--onefile",
+        "--windowed",
+        f"--name={UPDATER_NAME}",
+        "--distpath", DIST_DIR,
+        "--workpath", os.path.join("build", "updater"),
+        "--specpath", os.path.join("build", "updater_spec"),
+        f"--icon={ICON_PATH}" if os.path.exists(ICON_PATH) else "",
+        UPDATER_SCRIPT,
+    ]
+    command = [arg for arg in command if arg]
+    try:
+        subprocess.check_call(command)
+        print(f"[OK] {UPDATER_NAME} собран.")
+    except subprocess.CalledProcessError as e:
+        print(f"[ERROR] Ошибка при сборке {UPDATER_NAME}: {e}")
+        sys.exit(1)
+
+
 def run_cleanup():
     print(f"\n--- 2. Оптимизация папки {APP_NAME} ---")
 
@@ -99,6 +124,7 @@ if __name__ == "__main__":
             shutil.rmtree(folder)
 
     run_build()
+    run_updater_build()
     run_cleanup()
     create_archive()