Refactor Windows build script for improved readability and consistency

- Cleaned up whitespace and formatting in build_windows.py for better readability.
- Consolidated environment variable setup for stdout and stderr.
- Streamlined subprocess command calls by removing unnecessary line breaks.
- Enhanced error handling and logging for better debugging.
- Updated comments for clarity and consistency.

Update updater.py to improve checksum verification logic

- Modified checksum verification to prioritize specific .sha256 files matching installer names.
- Added fallback logic to check for any .sha256 file if no specific match is found.

Enhance update manager UI with download progress dialog

- Introduced DownloadingDialog to provide feedback during update downloads.
- Updated MainWindow to manage the new downloading dialog and handle its lifecycle.
- Removed the skip version functionality from the update dialog as per new requirements.

Refactor update manager UI tests for clarity and maintainability

- Removed tests related to the skip version functionality.
- Updated test cases to reflect changes in the update manager UI.
- Ensured all tests are aligned with the new dialog structure and signal emissions.

src/webdrop_bridge/ui/main_window.py

@@ -270,6 +270,7 @@ class MainWindow(QMainWindow):
         self._background_threads = []  # Keep references to background threads
         self._background_workers = {}  # Keep references to background workers
         self.checking_dialog = None  # Track the checking dialog
+        self.downloading_dialog = None  # Track the download dialog
         self._is_manual_check = False  # Track if this is a manual check (for UI feedback)
 
         # Set window properties
@@ -1402,6 +1403,12 @@ class MainWindow(QMainWindow):
         Args:
             release: Release object with update info
         """
+        # Close checking dialog if open (manual check case)
+        if hasattr(self, "checking_dialog") and self.checking_dialog:
+            self.checking_dialog.close()
+            self.checking_dialog = None
+        self._is_manual_check = False
+
         # Update status to show update available
         self.set_update_status(f"Update available: v{release.version}", emoji="✅")
 
@@ -1413,7 +1420,6 @@ class MainWindow(QMainWindow):
         # Connect dialog signals
         dialog.update_now.connect(lambda: self._on_user_update_now(release))
         dialog.update_later.connect(lambda: self._on_user_update_later())
-        dialog.skip_version.connect(lambda: self._on_user_skip_version(release.version))
 
         # Show dialog (modal)
         dialog.exec()
@@ -1434,21 +1440,6 @@ class MainWindow(QMainWindow):
         logger.info("User deferred update")
         self.set_update_status("Update deferred", emoji="")
 
-    def _on_user_skip_version(self, version: str) -> None:
-        """Handle user clicking 'Skip Version' button.
-
-        Args:
-            version: Version to skip
-        """
-        logger.info(f"User skipped version {version}")
-
-        # Store skipped version in preferences
-        skipped_file = Path.home() / ".webdrop-bridge" / "skipped_version.txt"
-        skipped_file.parent.mkdir(parents=True, exist_ok=True)
-        skipped_file.write_text(version)
-
-        self.set_update_status(f"Skipped v{version}", emoji="")
-
     def _start_update_download(self, release) -> None:
         """Start downloading the update in background thread.
 
@@ -1458,6 +1449,12 @@ class MainWindow(QMainWindow):
         logger.info(f"Starting download for v{release.version}")
         self.set_update_status(f"Downloading v{release.version}", emoji="⬇️")
 
+        # Show download progress dialog
+        from webdrop_bridge.ui.update_manager_ui import DownloadingDialog
+
+        self.downloading_dialog = DownloadingDialog(self)
+        self.downloading_dialog.show()
+
         # Run download in background thread to avoid blocking UI
         self._perform_update_async(release)
 
@@ -1558,6 +1555,10 @@ class MainWindow(QMainWindow):
         """
         from webdrop_bridge.ui.update_manager_ui import InstallDialog
 
+        if hasattr(self, "downloading_dialog") and self.downloading_dialog:
+            self.downloading_dialog.close()
+            self.downloading_dialog = None
+
         logger.info(f"Download complete: {installer_path}")
         self.set_update_status("Ready to install", emoji="✅")
 
@@ -1572,6 +1573,10 @@ class MainWindow(QMainWindow):
         Args:
             error: Error message
         """
+        if hasattr(self, "downloading_dialog") and self.downloading_dialog:
+            self.downloading_dialog.close()
+            self.downloading_dialog = None
+
         logger.error(f"Download failed: {error}")
         self.set_update_status(error, emoji="❌")