fix(build): use absolute icon path for updater pyinstaller

- pass absolute icon path to PyInstaller to avoid missing icon in updater spec dir

- remove stale updater spec and use --clean before updater build

build.py

@@ -46,6 +46,8 @@ def ensure_project_root():
 
 def run_build():
     print(f"--- 1. Запуск PyInstaller для {APP_NAME} v{VERSION} ---")
+    icon_abs_path = os.path.abspath(ICON_PATH)
+    has_icon = os.path.exists(icon_abs_path)
 
     command = [
         "pyinstaller",
@@ -56,8 +58,8 @@ def run_build():
         "--exclude-module", "PySide6.QtWebEngineWidgets",
         "--exclude-module", "PySide6.QtWebEngineQuick",
         f"--name={APP_NAME}",
-        f"--icon={ICON_PATH}" if os.path.exists(ICON_PATH) else "",
-        f"--add-data={ICON_PATH}{os.pathsep}." if os.path.exists(ICON_PATH) else "",
+        f"--icon={icon_abs_path}" if has_icon else "",
+        f"--add-data={icon_abs_path}{os.pathsep}." if has_icon else "",
         f"--add-data=auth_webview.py{os.pathsep}.",
                 MAIN_SCRIPT
     ]
@@ -74,16 +76,23 @@ def run_build():
 
 def run_updater_build():
     print(f"\n--- 1.2 Сборка {UPDATER_NAME} ---")
+    icon_abs_path = os.path.abspath(ICON_PATH)
+    has_icon = os.path.exists(icon_abs_path)
+    updater_spec_dir = os.path.join("build", "updater_spec")
+    updater_spec_path = os.path.join(updater_spec_dir, f"{UPDATER_NAME}.spec")
+    if os.path.exists(updater_spec_path):
+        os.remove(updater_spec_path)
     command = [
         "pyinstaller",
         "--noconfirm",
+        "--clean",
         "--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 "",
+        "--specpath", updater_spec_dir,
+        f"--icon={icon_abs_path}" if has_icon else "",
         UPDATER_SCRIPT,
     ]
     command = [arg for arg in command if arg]