Sync from development - prepare for v0.2.0.10

2026-01-17 11:37:01 +01:00 · 2026-01-04 22:43:32 +00:00
parent 0d84d2f2fe
commit 9b5310c2f9
59 changed files with 613 additions and 349 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,26 @@
 # Jackify Changelog

+## v0.2.0.10 - Registry & Hashing Fixes
+**Release Date:** 2025-01-04
+
+### Engine Updates
+- **jackify-engine 0.4.5**: Fixed archive extraction with backslashes (including pattern matching), data directory path configuration, and removed post-download .wabbajack hash validation. Engine now auto-refreshes OAuth tokens during long installations via `NEXUS_OAUTH_INFO` environment variable.
+
+### Critical Bug Fixes
+- **InstallationThread Crash**: Fixed crash during installation with error "'InstallationThread' object has no attribute 'auth_service'". Premium detection diagnostics code assumed auth_service existed but it was never passed to the thread. Affects all users when Premium detection (including false positives) is triggered.
+- **Install Start Hang**: Fixed missing `oauth_info` parameter that prevented modlist installs from starting (hung at "Starting modlist installation...")
+- **OAuth Token Auto-Refresh**: Fixed OAuth tokens expiring during long modlist installations. Jackify now refreshes tokens with 15-minute buffer before passing to engine. Engine receives full OAuth state via `NEXUS_OAUTH_INFO` environment variable, enabling automatic token refresh during multi-hour downloads. Fixes "Token has expired" errors that occurred 60 minutes into installations.
+- **ShowDotFiles Registry Format**: Fixed Wine registry format bug causing hidden files to remain hidden in prefixes. Python string escaping issue wrote single backslash instead of double backslash in `[Software\\Wine]` section header. Added auto-detection and fix for broken format from curated registry files.
+- **Dotnet4 Registry Fixes**: Confirmed universal dotnet4.x registry fixes (`*mscoree=native` and `OnlyUseLatestCLR=1`) are applied in all three workflows (Install, Configure New, Configure Existing) across both CLI and GUI interfaces
+- **Proton Path Configuration**: Fixed `proton_path` writing invalid "auto" string to config.json - now uses `null` instead, preventing jackify-engine from receiving invalid paths
+
+### Improvements
+- **Wine Binary Detection**: Enhanced detection with recursive fallback search within Proton directory when expected paths don't exist (handles different Proton version structures)
+- Added Jackify version logging at workflow start
+- Fixed GUI log file rotation to only run in debug mode
+
+---
+
 ## v0.2.0.9 - Critical Configuration Fixes
 **Release Date:** 2025-12-31

--- a/jackify/init.py
+++ b/jackify/init.py
@@ -5,4 +5,4 @@ This package provides both CLI and GUI interfaces for managing
 Wabbajack modlists natively on Linux systems.
 """

-__version__ = "0.2.0.9"
+__version__ = "0.2.0.10"
--- a/jackify/backend/core/modlist_operations.py
+++ b/jackify/backend/core/modlist_operations.py
@@ -34,7 +34,7 @@ def _get_user_proton_version():
        # get_proton_path() returns the Install Proton path
        user_proton_path = config_handler.get_proton_path()

-        if user_proton_path == 'auto':
+        if not user_proton_path or user_proton_path == 'auto':
            # Use enhanced fallback logic with GE-Proton preference
            logging.info("User selected auto-detect, using GE-Proton → Experimental → Proton precedence")
            return WineUtils.select_best_proton()
@@ -502,10 +502,11 @@ class ModlistInstallCLI:
                    print("\n" + "-" * 28)
                    print(f"{COLOR_INFO}Nexus Authentication: Using API Key (Legacy){COLOR_RESET}")

-                # Get valid token/key
-                api_key = auth_service.ensure_valid_auth()
+                # Get valid token/key and OAuth state for engine auto-refresh
+                api_key, oauth_info = auth_service.get_auth_for_engine()
                if api_key:
                    self.context['nexus_api_key'] = api_key
+                    self.context['nexus_oauth_info'] = oauth_info  # For engine auto-refresh
                else:
                    # Auth expired or invalid - prompt to set up
                    print(f"\n{COLOR_WARNING}Your authentication has expired or is invalid.{COLOR_RESET}")
@@ -538,9 +539,10 @@ class ModlistInstallCLI:
                        if username:
                            print(f"{COLOR_INFO}Authorized as: {username}{COLOR_RESET}")

-                        api_key = auth_service.ensure_valid_auth()
+                        api_key, oauth_info = auth_service.get_auth_for_engine()
                        if api_key:
                            self.context['nexus_api_key'] = api_key
+                            self.context['nexus_oauth_info'] = oauth_info  # For engine auto-refresh
                        else:
                            print(f"{COLOR_ERROR}Failed to retrieve auth token after authorization.{COLOR_RESET}")
                            return None
@@ -738,6 +740,7 @@ class ModlistInstallCLI:
            modlist_arg = self.context.get('modlist_value') or self.context.get('machineid')
            machineid = self.context.get('machineid')
            api_key = self.context.get('nexus_api_key')
+            oauth_info = self.context.get('nexus_oauth_info')

            # Path to the engine binary
            engine_path = get_jackify_engine_path()
@@ -779,24 +782,37 @@ class ModlistInstallCLI:
            # Store original environment values to restore later
            original_env_values = {
                'NEXUS_API_KEY': os.environ.get('NEXUS_API_KEY'),
+                'NEXUS_OAUTH_INFO': os.environ.get('NEXUS_OAUTH_INFO'),
                'DOTNET_SYSTEM_GLOBALIZATION_INVARIANT': os.environ.get('DOTNET_SYSTEM_GLOBALIZATION_INVARIANT')
            }

            try:
                # Temporarily modify current process's environment
+                # Prefer NEXUS_OAUTH_INFO (supports auto-refresh) over NEXUS_API_KEY (legacy)
+                if oauth_info:
+                    os.environ['NEXUS_OAUTH_INFO'] = oauth_info
+                    self.logger.debug(f"Set NEXUS_OAUTH_INFO for engine (supports auto-refresh)")
+                    # Also set NEXUS_API_KEY for backward compatibility
                    if api_key:
                        os.environ['NEXUS_API_KEY'] = api_key
-                    self.logger.debug(f"Temporarily set os.environ['NEXUS_API_KEY'] for engine call using session-provided key.")
-                elif 'NEXUS_API_KEY' in os.environ: # api_key is None/empty, but a system key might exist
-                    self.logger.debug(f"Session API key not provided. Temporarily removing inherited NEXUS_API_KEY ('{'[REDACTED]' if os.environ.get('NEXUS_API_KEY') else 'None'}') from os.environ for engine call to ensure it is not used.")
+                elif api_key:
+                    # No OAuth info, use API key only (no auto-refresh support)
+                    os.environ['NEXUS_API_KEY'] = api_key
+                    self.logger.debug(f"Set NEXUS_API_KEY for engine (no auto-refresh)")
+                else:
+                    # No auth available, clear any inherited values
+                    if 'NEXUS_API_KEY' in os.environ:
                        del os.environ['NEXUS_API_KEY']
-                # If api_key is None and NEXUS_API_KEY was not in os.environ, it remains unset, which is correct.
+                    if 'NEXUS_OAUTH_INFO' in os.environ:
+                        del os.environ['NEXUS_OAUTH_INFO']
+                    self.logger.debug(f"No Nexus auth available, cleared inherited env vars")

                os.environ['DOTNET_SYSTEM_GLOBALIZATION_INVARIANT'] = "1"
                self.logger.debug(f"Temporarily set os.environ['DOTNET_SYSTEM_GLOBALIZATION_INVARIANT'] = '1' for engine call.")
                
                self.logger.info("Environment prepared for jackify-engine install process by modifying os.environ.")
                self.logger.debug(f"NEXUS_API_KEY in os.environ (pre-call): {'[SET]' if os.environ.get('NEXUS_API_KEY') else '[NOT SET]'}")
+                self.logger.debug(f"NEXUS_OAUTH_INFO in os.environ (pre-call): {'[SET]' if os.environ.get('NEXUS_OAUTH_INFO') else '[NOT SET]'}")
                
                pretty_cmd = ' '.join([f'"{arg}"' if ' ' in arg else arg for arg in cmd])
                print(f"{COLOR_INFO}Launching Jackify Install Engine with command:{COLOR_RESET} {pretty_cmd}")
--- a/jackify/backend/handlers/config_handler.py
+++ b/jackify/backend/handlers/config_handler.py
@@ -58,6 +58,8 @@ class ConfigHandler:
            "use_winetricks_for_components": True,  # DEPRECATED: Migrated to component_installation_method. Kept for backward compatibility.
            "component_installation_method": "winetricks",  # "winetricks" (default) or "system_protontricks"
            "game_proton_path": None,  # Proton version for game shortcuts (can be any Proton 9+), separate from install proton
+            "proton_path": None,  # Install Proton path (for jackify-engine) - None means auto-detect
+            "proton_version": None,  # Install Proton version name - None means auto-detect
            "steam_restart_strategy": "jackify",  # "jackify" (default) or "nak_simple"
            "window_width": None,  # Saved window width (None = use dynamic sizing)
            "window_height": None  # Saved window height (None = use dynamic sizing)
@@ -757,16 +759,20 @@ class ConfigHandler:
        Always reads fresh from disk.

        Returns:
-            str: Saved Install Proton path or 'auto' if not saved
+            str: Saved Install Proton path, or None if not set (indicates auto-detect mode)
        """
        try:
            config = self._read_config_from_disk()
-            proton_path = config.get("proton_path", "auto")
+            proton_path = config.get("proton_path")
+            # Return None if missing/None/empty string - don't default to "auto"
+            if not proton_path:
+                logger.debug("proton_path not set in config - will use auto-detection")
+                return None
            logger.debug(f"Retrieved fresh install proton_path from config: {proton_path}")
            return proton_path
        except Exception as e:
            logger.error(f"Error retrieving install proton_path: {e}")
-            return "auto"
+            return None

    def get_game_proton_path(self):
        """
@@ -775,7 +781,7 @@ class ConfigHandler:
        Always reads fresh from disk.

        Returns:
-            str: Saved Game Proton path, Install Proton path, or 'auto' if not saved
+            str: Saved Game Proton path, Install Proton path, or None if not saved (indicates auto-detect mode)
        """
        try:
            config = self._read_config_from_disk()
@@ -783,8 +789,12 @@ class ConfigHandler:

            # If game proton not set or set to same_as_install, use install proton
            if not game_proton_path or game_proton_path == "same_as_install":
-                game_proton_path = config.get("proton_path", "auto")
+                game_proton_path = config.get("proton_path")  # Returns None if not set

+            # Return None if missing/None/empty string
+            if not game_proton_path:
+                logger.debug("game_proton_path not set in config - will use auto-detection")
+                return None
            logger.debug(f"Retrieved fresh game proton_path from config: {game_proton_path}")
            return game_proton_path
        except Exception as e:
@@ -821,15 +831,20 @@ class ConfigHandler:
                logger.info(f"Auto-detected Proton: {best_proton['name']} ({proton_type})")
                self.save_config()
            else:
-                # Fallback to auto-detect mode
-                self.settings["proton_path"] = "auto"
-                self.settings["proton_version"] = "auto"
-                logger.info("No compatible Proton versions found, using auto-detect mode")
+                # Set proton_path to None (will appear as null in JSON) so jackify-engine doesn't get invalid path
+                # Code will auto-detect on each run when proton_path is None
+                self.settings["proton_path"] = None
+                self.settings["proton_version"] = None
+                logger.warning("No compatible Proton versions found - proton_path set to null in config.json")
+                logger.info("Jackify will auto-detect Proton on each run until a valid version is found")
                self.save_config()

        except Exception as e:
            logger.error(f"Failed to auto-detect Proton: {e}")
-            self.settings["proton_path"] = "auto"
-            self.settings["proton_version"] = "auto"
+            # Set proton_path to None (will appear as null in JSON)
+            self.settings["proton_path"] = None
+            self.settings["proton_version"] = None
+            logger.warning("proton_path set to null in config.json due to auto-detection failure")
+            self.save_config()

 
--- a/jackify/backend/handlers/modlist_handler.py
+++ b/jackify/backend/handlers/modlist_handler.py
@@ -105,9 +105,9 @@ class ModlistHandler:
            verbose: Boolean indicating if verbose output is desired.
            filesystem_handler: Optional FileSystemHandler instance to use instead of creating a new one.
        """
-        # Use standard logging (no file handler)
+        # Use standard logging (propagate to root logger so messages appear in logs)
        self.logger = logging.getLogger(__name__)
-        self.logger.propagate = False
+        self.logger.propagate = True
        self.steamdeck = steamdeck

        # DEBUG: Log ModlistHandler instantiation details for SD card path debugging
@@ -746,15 +746,20 @@ class ModlistHandler:
        try:
            registry_success = self._apply_universal_dotnet_fixes()
        except Exception as e:
-            self.logger.error(f"CRITICAL: Registry fixes failed - modlist may have .NET compatibility issues: {e}")
+            error_msg = f"CRITICAL: Registry fixes failed - modlist may have .NET compatibility issues: {e}"
+            self.logger.error(error_msg)
+            if status_callback:
+                status_callback(f"{self._get_progress_timestamp()} ERROR: {error_msg}")
            registry_success = False

        if not registry_success:
+            failure_msg = "WARNING: Universal dotnet4.x registry fixes FAILED! This modlist may experience .NET Framework compatibility issues."
            self.logger.error("=" * 80)
-            self.logger.error("WARNING: Universal dotnet4.x registry fixes FAILED!")
-            self.logger.error("This modlist may experience .NET Framework compatibility issues.")
+            self.logger.error(failure_msg)
            self.logger.error("Consider manually setting mscoree=native in winecfg if problems occur.")
            self.logger.error("=" * 80)
+            if status_callback:
+                status_callback(f"{self._get_progress_timestamp()} {failure_msg}")
            # Continue but user should be aware of potential issues

        # Step 4.6: Enable dotfiles visibility for Wine prefix
@@ -1596,20 +1601,21 @@ class ModlistHandler:
                except Exception as e:
                    self.logger.warning(f"Wineserver shutdown failed (non-critical): {e}")

-            # Registry fix 1: Set mscoree=native DLL override
+            # Registry fix 1: Set *mscoree=native DLL override (asterisk for full override)
            # This tells Wine to use native .NET runtime instead of Wine's implementation
-            self.logger.debug("Setting mscoree=native DLL override...")
+            self.logger.debug("Setting *mscoree=native DLL override...")
            cmd1 = [
                wine_binary, 'reg', 'add',
                'HKEY_CURRENT_USER\\Software\\Wine\\DllOverrides',
-                '/v', 'mscoree', '/t', 'REG_SZ', '/d', 'native', '/f'
+                '/v', '*mscoree', '/t', 'REG_SZ', '/d', 'native', '/f'
            ]

            result1 = subprocess.run(cmd1, env=env, capture_output=True, text=True, errors='replace', timeout=30)
+            self.logger.info(f"*mscoree registry command result: returncode={result1.returncode}, stdout={result1.stdout[:200]}, stderr={result1.stderr[:200]}")
            if result1.returncode == 0:
-                self.logger.info("Successfully applied mscoree=native DLL override")
+                self.logger.info("Successfully applied *mscoree=native DLL override")
            else:
-                self.logger.warning(f"Failed to set mscoree DLL override: {result1.stderr}")
+                self.logger.error(f"Failed to set *mscoree DLL override: returncode={result1.returncode}, stderr={result1.stderr}")

            # Registry fix 2: Set OnlyUseLatestCLR=1
            # This prevents .NET version conflicts by using the latest CLR
@@ -1621,10 +1627,11 @@ class ModlistHandler:
            ]

            result2 = subprocess.run(cmd2, env=env, capture_output=True, text=True, errors='replace', timeout=30)
+            self.logger.info(f"OnlyUseLatestCLR registry command result: returncode={result2.returncode}, stdout={result2.stdout[:200]}, stderr={result2.stderr[:200]}")
            if result2.returncode == 0:
                self.logger.info("Successfully applied OnlyUseLatestCLR=1 registry entry")
            else:
-                self.logger.warning(f"Failed to set OnlyUseLatestCLR: {result2.stderr}")
+                self.logger.error(f"Failed to set OnlyUseLatestCLR: returncode={result2.returncode}, stderr={result2.stderr}")

            # Force wineserver to flush registry changes to disk
            if wineserver_binary:
@@ -1639,17 +1646,17 @@ class ModlistHandler:
            self.logger.info("Verifying registry entries were applied and persisted...")
            verification_passed = True

-            # Verify mscoree=native
+            # Verify *mscoree=native
            verify_cmd1 = [
                wine_binary, 'reg', 'query',
                'HKEY_CURRENT_USER\\Software\\Wine\\DllOverrides',
-                '/v', 'mscoree'
+                '/v', '*mscoree'
            ]
            verify_result1 = subprocess.run(verify_cmd1, env=env, capture_output=True, text=True, errors='replace', timeout=30)
            if verify_result1.returncode == 0 and 'native' in verify_result1.stdout:
-                self.logger.info("VERIFIED: mscoree=native is set correctly")
+                self.logger.info("VERIFIED: *mscoree=native is set correctly")
            else:
-                self.logger.error(f"VERIFICATION FAILED: mscoree=native not found in registry. Query output: {verify_result1.stdout}")
+                self.logger.error(f"VERIFICATION FAILED: *mscoree=native not found in registry. Query output: {verify_result1.stdout}")
                verification_passed = False

            # Verify OnlyUseLatestCLR=1
@@ -1696,10 +1703,17 @@ class ModlistHandler:
                ]

                for wine_path in wine_candidates:
-                    if wine_path.exists():
+                    if wine_path.exists() and wine_path.is_file():
                        self.logger.info(f"Using Wine binary from user's configured Proton: {wine_path}")
                        return str(wine_path)

+                # Wine binary not found at expected paths - search recursively in Proton directory
+                self.logger.debug(f"Wine binary not found at expected paths in {proton_path}, searching recursively...")
+                wine_binary = self._search_wine_in_proton_directory(proton_path)
+                if wine_binary:
+                    self.logger.info(f"Found Wine binary via recursive search in Proton directory: {wine_binary}")
+                    return wine_binary
+
                self.logger.warning(f"User's configured Proton path has no wine binary: {user_proton_path}")

            # Fallback: Try to use same Steam library detection as main Proton detection
@@ -1719,4 +1733,42 @@ class ModlistHandler:
            self.logger.error(f"Error finding Wine binary: {e}")
            return None

+    def _search_wine_in_proton_directory(self, proton_path: Path) -> Optional[str]:
+        """
+        Recursively search for wine binary within a Proton directory.
+        This handles cases where the directory structure might differ between Proton versions.
+        
+        Args:
+            proton_path: Path to the Proton directory to search
+            
+        Returns:
+            Path to wine binary if found, None otherwise
+        """
+        try:
+            if not proton_path.exists() or not proton_path.is_dir():
+                return None
+
+            # Search for 'wine' executable (not 'wine64' or 'wine-preloader')
+            # Limit search depth to avoid scanning entire filesystem
+            max_depth = 5
+            for root, dirs, files in os.walk(proton_path, followlinks=False):
+                # Calculate depth relative to proton_path
+                depth = len(Path(root).relative_to(proton_path).parts)
+                if depth > max_depth:
+                    dirs.clear()  # Don't descend further
+                    continue
+                
+                # Check if 'wine' is in this directory
+                if 'wine' in files:
+                    wine_path = Path(root) / 'wine'
+                    # Verify it's actually an executable file
+                    if wine_path.is_file() and os.access(wine_path, os.X_OK):
+                        self.logger.debug(f"Found wine binary at: {wine_path}")
+                        return str(wine_path)
+
+            return None
+        except Exception as e:
+            self.logger.debug(f"Error during recursive wine search in {proton_path}: {e}")
+            return None
+
 
--- a/jackify/backend/handlers/modlist_install_cli.py
+++ b/jackify/backend/handlers/modlist_install_cli.py
@@ -427,10 +427,11 @@ class ModlistInstallCLI:
                    print("\n" + "-" * 28)
                    print(f"{COLOR_INFO}Nexus Authentication: Using API Key (Legacy){COLOR_RESET}")

-                # Get valid token/key
-                api_key = auth_service.ensure_valid_auth()
+                # Get valid token/key and OAuth state for engine auto-refresh
+                api_key, oauth_info = auth_service.get_auth_for_engine()
                if api_key:
                    self.context['nexus_api_key'] = api_key
+                    self.context['nexus_oauth_info'] = oauth_info  # For engine auto-refresh
                else:
                    # Auth expired or invalid - prompt to set up
                    print(f"\n{COLOR_WARNING}Your authentication has expired or is invalid.{COLOR_RESET}")
@@ -463,9 +464,10 @@ class ModlistInstallCLI:
                        if username:
                            print(f"{COLOR_INFO}Authorized as: {username}{COLOR_RESET}")

-                        api_key = auth_service.ensure_valid_auth()
+                        api_key, oauth_info = auth_service.get_auth_for_engine()
                        if api_key:
                            self.context['nexus_api_key'] = api_key
+                            self.context['nexus_oauth_info'] = oauth_info  # For engine auto-refresh
                        else:
                            print(f"{COLOR_ERROR}Failed to retrieve auth token after authorization.{COLOR_RESET}")
                            return None
@@ -616,6 +618,7 @@ class ModlistInstallCLI:
            modlist_arg = self.context.get('modlist_value') or self.context.get('machineid')
            machineid = self.context.get('machineid')
            api_key = self.context['nexus_api_key']
+            oauth_info = self.context.get('nexus_oauth_info')

            # Path to the engine binary
            engine_path = get_jackify_engine_path()
@@ -675,24 +678,37 @@ class ModlistInstallCLI:
            # Store original environment values to restore later
            original_env_values = {
                'NEXUS_API_KEY': os.environ.get('NEXUS_API_KEY'),
+                'NEXUS_OAUTH_INFO': os.environ.get('NEXUS_OAUTH_INFO'),
                'DOTNET_SYSTEM_GLOBALIZATION_INVARIANT': os.environ.get('DOTNET_SYSTEM_GLOBALIZATION_INVARIANT')
            }

            try:
                # Temporarily modify current process's environment
+                # Prefer NEXUS_OAUTH_INFO (supports auto-refresh) over NEXUS_API_KEY (legacy)
+                if oauth_info:
+                    os.environ['NEXUS_OAUTH_INFO'] = oauth_info
+                    self.logger.debug(f"Set NEXUS_OAUTH_INFO for engine (supports auto-refresh)")
+                    # Also set NEXUS_API_KEY for backward compatibility
                    if api_key:
                        os.environ['NEXUS_API_KEY'] = api_key
-                    self.logger.debug(f"Temporarily set os.environ['NEXUS_API_KEY'] for engine call using session-provided key.")
-                elif 'NEXUS_API_KEY' in os.environ: # api_key is None/empty, but a system key might exist
-                    self.logger.debug(f"Session API key not provided. Temporarily removing inherited NEXUS_API_KEY ('{'[REDACTED]' if os.environ.get('NEXUS_API_KEY') else 'None'}') from os.environ for engine call to ensure it is not used.")
+                elif api_key:
+                    # No OAuth info, use API key only (no auto-refresh support)
+                    os.environ['NEXUS_API_KEY'] = api_key
+                    self.logger.debug(f"Set NEXUS_API_KEY for engine (no auto-refresh)")
+                else:
+                    # No auth available, clear any inherited values
+                    if 'NEXUS_API_KEY' in os.environ:
                        del os.environ['NEXUS_API_KEY']
-                # If api_key is None and NEXUS_API_KEY was not in os.environ, it remains unset, which is correct.
+                    if 'NEXUS_OAUTH_INFO' in os.environ:
+                        del os.environ['NEXUS_OAUTH_INFO']
+                    self.logger.debug(f"No Nexus auth available, cleared inherited env vars")

                os.environ['DOTNET_SYSTEM_GLOBALIZATION_INVARIANT'] = "1"
                self.logger.debug(f"Temporarily set os.environ['DOTNET_SYSTEM_GLOBALIZATION_INVARIANT'] = '1' for engine call.")

                self.logger.info("Environment prepared for jackify-engine install process by modifying os.environ.")
                self.logger.debug(f"NEXUS_API_KEY in os.environ (pre-call): {'[SET]' if os.environ.get('NEXUS_API_KEY') else '[NOT SET]'}")
+                self.logger.debug(f"NEXUS_OAUTH_INFO in os.environ (pre-call): {'[SET]' if os.environ.get('NEXUS_OAUTH_INFO') else '[NOT SET]'}")
                
                pretty_cmd = ' '.join([f'"{arg}"' if ' ' in arg else arg for arg in cmd])
                print(f"{COLOR_INFO}Launching Jackify Install Engine with command:{COLOR_RESET} {pretty_cmd}")
--- a/jackify/backend/handlers/protontricks_handler.py
+++ b/jackify/backend/handlers/protontricks_handler.py
@@ -596,19 +596,29 @@ class ProtontricksHandler:
                try:
                    if user_reg_path.exists():
                        content = user_reg_path.read_text(encoding='utf-8', errors='ignore')
-                        if "ShowDotFiles" not in content:
+                        # Check for CORRECT format with proper backslash escaping
+                        has_correct_format = '[Software\\\\Wine]' in content and '"ShowDotFiles"="Y"' in content
+                        has_broken_format = '[SoftwareWine]' in content and '"ShowDotFiles"="Y"' in content
+
+                        if has_broken_format and not has_correct_format:
+                            # Fix the broken format by replacing the section header
+                            logger.debug(f"Found broken ShowDotFiles format in {user_reg_path}, fixing...")
+                            content = content.replace('[SoftwareWine]', '[Software\\\\Wine]')
+                            user_reg_path.write_text(content, encoding='utf-8')
+                            dotfiles_set_success = True
+                        elif not has_correct_format:
                            logger.debug(f"Adding ShowDotFiles entry to {user_reg_path}")
                            with open(user_reg_path, 'a', encoding='utf-8') as f:
-                                f.write('\n[Software\\Wine] 1603891765\n')
+                                f.write('\n[Software\\\\Wine] 1603891765\n')
                                f.write('"ShowDotFiles"="Y"\n')
                            dotfiles_set_success = True # Count file write as success too
                        else:
-                             logger.debug("ShowDotFiles already present in user.reg")
+                             logger.debug("ShowDotFiles already present in correct format in user.reg")
                             dotfiles_set_success = True # Already there counts as success
                    else:
                        logger.warning(f"user.reg not found at {user_reg_path}, creating it.")
                        with open(user_reg_path, 'w', encoding='utf-8') as f:
-                             f.write('[Software\\Wine] 1603891765\n')
+                             f.write('[Software\\\\Wine] 1603891765\n')
                             f.write('"ShowDotFiles"="Y"\n')
                        dotfiles_set_success = True # Creating file counts as success
                except Exception as e:
--- a/jackify/backend/handlers/subprocess_utils.py
+++ b/jackify/backend/handlers/subprocess_utils.py
@@ -41,8 +41,8 @@ def get_clean_subprocess_env(extra_env=None):
    """
    Returns a copy of os.environ with bundled-runtime variables and other problematic entries removed.
    Optionally merges in extra_env dict.
-    Also ensures bundled tools (lz4, unzip, etc.) are in PATH when running as AppImage.
-    CRITICAL: Preserves system PATH to ensure system tools (like lz4) are available.
+    Also ensures bundled tools (lz4, cabextract, winetricks) are in PATH when running as AppImage.
+    CRITICAL: Preserves system PATH to ensure system utilities (wget, curl, unzip, xz, gzip, sha256sum) are available.
    """
    from pathlib import Path
    
@@ -73,7 +73,8 @@ def get_clean_subprocess_env(extra_env=None):
            path_parts.append(sys_path)

    # Add bundled tools directory to PATH if running as AppImage
-    # This ensures lz4, unzip, xz, etc. are available to subprocesses
+    # This ensures lz4, cabextract, and winetricks are available to subprocesses
+    # System utilities (wget, curl, unzip, xz, gzip, sha256sum) come from system PATH
    # Note: appdir was saved before env cleanup above
    tools_dir = None
    
@@ -100,23 +101,23 @@ def get_clean_subprocess_env(extra_env=None):
                tools_dir = str(possible_dir)
                break
    
-    # Build final PATH: bundled tools first (if any), then original PATH with system paths
+    # Build final PATH: system PATH first, then bundled tools (lz4, cabextract, winetricks)
+    # System utilities (wget, curl, unzip, xz, gzip, sha256sum) are preferred from system
    final_path_parts = []
-    if tools_dir and os.path.isdir(tools_dir):
-        # Prepend tools directory so bundled tools take precedence
-        # This is critical - bundled lz4 must come before system lz4
-        final_path_parts.append(tools_dir)
    
-    # Add all other paths (preserving order, removing duplicates)
-    # Note: AppRun already sets PATH with tools directory, but we ensure it's first
+    # Add all other paths first (system utilities take precedence)
    seen = set()
-    if tools_dir:
-        seen.add(tools_dir)  # Already added, don't add again
    for path_part in path_parts:
        if path_part and path_part not in seen:
            final_path_parts.append(path_part)
            seen.add(path_part)
    
+    # Then add bundled tools directory (for lz4, cabextract, winetricks)
+    if tools_dir and os.path.isdir(tools_dir) and tools_dir not in seen:
+        final_path_parts.append(tools_dir)
+        seen.add(tools_dir)
+    
+    
    env['PATH'] = ':'.join(final_path_parts)
    
    # Optionally restore LD_LIBRARY_PATH to system default if needed
--- a/jackify/backend/handlers/winetricks_handler.py
+++ b/jackify/backend/handlers/winetricks_handler.py
@@ -149,7 +149,7 @@ class WinetricksHandler:

            # If user selected a specific Proton, try that first
            wine_binary = None
-            if user_proton_path != 'auto':
+            if user_proton_path and user_proton_path != 'auto':
                # Check if user-selected Proton still exists
                if os.path.exists(user_proton_path):
                    # Resolve symlinks to handle ~/.steam/steam -> ~/.local/share/Steam
@@ -582,7 +582,7 @@ class WinetricksHandler:
            user_proton_path = config.get_proton_path()

            wine_binary = None
-            if user_proton_path != 'auto':
+            if user_proton_path and user_proton_path != 'auto':
                if os.path.exists(user_proton_path):
                    resolved_proton_path = os.path.realpath(user_proton_path)
                    valve_proton_wine = os.path.join(resolved_proton_path, 'dist', 'bin', 'wine')
@@ -594,8 +594,8 @@ class WinetricksHandler:
                        wine_binary = ge_proton_wine

            if not wine_binary:
-                if user_proton_path == 'auto':
-                    self.logger.info("Auto-detecting Proton (user selected 'auto')")
+                if not user_proton_path or user_proton_path == 'auto':
+                    self.logger.info("Auto-detecting Proton (user selected 'auto' or path not set)")
                    best_proton = WineUtils.select_best_proton()
                    if best_proton:
                        wine_binary = WineUtils.find_proton_binary(best_proton['name'])
@@ -811,7 +811,7 @@ class WinetricksHandler:

            # If user selected a specific Proton, try that first
            wine_binary = None
-            if user_proton_path != 'auto':
+            if user_proton_path and user_proton_path != 'auto':
                if os.path.exists(user_proton_path):
                    resolved_proton_path = os.path.realpath(user_proton_path)
                    valve_proton_wine = os.path.join(resolved_proton_path, 'dist', 'bin', 'wine')
@@ -822,10 +822,10 @@ class WinetricksHandler:
                    elif os.path.exists(ge_proton_wine):
                        wine_binary = ge_proton_wine

-            # Only auto-detect if user explicitly chose 'auto'
+            # Only auto-detect if user explicitly chose 'auto' or path is not set
            if not wine_binary:
-                if user_proton_path == 'auto':
-                    self.logger.info("Auto-detecting Proton (user selected 'auto')")
+                if not user_proton_path or user_proton_path == 'auto':
+                    self.logger.info("Auto-detecting Proton (user selected 'auto' or path not set)")
                    best_proton = WineUtils.select_best_proton()
                    if best_proton:
                        wine_binary = WineUtils.find_proton_binary(best_proton['name'])
--- a/jackify/backend/services/automated_prefix_service.py
+++ b/jackify/backend/services/automated_prefix_service.py
@@ -71,7 +71,7 @@ class AutomatedPrefixService:
            config_handler = ConfigHandler()
            user_proton_path = config_handler.get_game_proton_path()

-            if user_proton_path == 'auto':
+            if not user_proton_path or user_proton_path == 'auto':
                # Use enhanced fallback logic with GE-Proton preference
                logger.info("User selected auto-detect, using GE-Proton → Experimental → Proton precedence")
                return WineUtils.select_best_proton()
@@ -3095,20 +3095,20 @@ echo Prefix creation complete.
            env['WINEPREFIX'] = prefix_path
            env['WINEDEBUG'] = '-all'  # Suppress Wine debug output

-            # Registry fix 1: Set mscoree=native DLL override
+            # Registry fix 1: Set *mscoree=native DLL override (asterisk for full override)
            # This tells Wine to use native .NET runtime instead of Wine's implementation
-            logger.debug("Setting mscoree=native DLL override...")
+            logger.debug("Setting *mscoree=native DLL override...")
            cmd1 = [
                wine_binary, 'reg', 'add',
                'HKEY_CURRENT_USER\\Software\\Wine\\DllOverrides',
-                '/v', 'mscoree', '/t', 'REG_SZ', '/d', 'native', '/f'
+                '/v', '*mscoree', '/t', 'REG_SZ', '/d', 'native', '/f'
            ]

            result1 = subprocess.run(cmd1, env=env, capture_output=True, text=True, errors='replace')
            if result1.returncode == 0:
-                logger.info("Successfully applied mscoree=native DLL override")
+                logger.info("Successfully applied *mscoree=native DLL override")
            else:
-                logger.warning(f"Failed to set mscoree DLL override: {result1.stderr}")
+                logger.warning(f"Failed to set *mscoree DLL override: {result1.stderr}")

            # Registry fix 2: Set OnlyUseLatestCLR=1
            # This prevents .NET version conflicts by using the latest CLR
@@ -3140,39 +3140,96 @@ echo Prefix creation complete.
    def _find_wine_binary_for_registry(self, modlist_compatdata_path: str) -> Optional[str]:
        """Find the appropriate Wine binary for registry operations"""
        try:
-            # Method 1: Try to detect from Steam's config or use Proton from compat data
-            # Look for wine binary in common Proton locations
-            proton_paths = [
-                os.path.expanduser("~/.local/share/Steam/compatibilitytools.d"),
-                os.path.expanduser("~/.steam/steam/steamapps/common")
+            from ..handlers.config_handler import ConfigHandler
+            from ..handlers.wine_utils import WineUtils
+            
+            # Method 1: Use the user's configured Proton version from settings
+            config_handler = ConfigHandler()
+            user_proton_path = config_handler.get_game_proton_path()
+
+            if user_proton_path and user_proton_path != 'auto':
+                # User has selected a specific Proton version
+                proton_path = Path(user_proton_path).expanduser()
+
+                # Check for wine binary in both GE-Proton and Valve Proton structures
+                wine_candidates = [
+                    proton_path / "files" / "bin" / "wine",  # GE-Proton structure
+                    proton_path / "dist" / "bin" / "wine"    # Valve Proton structure
                ]

-            for base_path in proton_paths:
-                if os.path.exists(base_path):
-                    for item in os.listdir(base_path):
-                        if 'proton' in item.lower():
-                            wine_path = os.path.join(base_path, item, 'files', 'bin', 'wine')
-                            if os.path.exists(wine_path):
-                                logger.debug(f"Found Wine binary: {wine_path}")
-                                return wine_path
+                for wine_path in wine_candidates:
+                    if wine_path.exists() and wine_path.is_file():
+                        logger.info(f"Using Wine binary from user's configured Proton: {wine_path}")
+                        return str(wine_path)

-            # Method 2: Fallback to system wine if available
-            try:
-                result = subprocess.run(['which', 'wine'], capture_output=True, text=True)
-                if result.returncode == 0:
-                    wine_path = result.stdout.strip()
-                    logger.debug(f"Using system Wine binary: {wine_path}")
-                    return wine_path
-            except Exception:
-                pass
+                # Wine binary not found at expected paths - search recursively in Proton directory
+                logger.debug(f"Wine binary not found at expected paths in {proton_path}, searching recursively...")
+                wine_binary = self._search_wine_in_proton_directory(proton_path)
+                if wine_binary:
+                    logger.info(f"Found Wine binary via recursive search in Proton directory: {wine_binary}")
+                    return wine_binary

-            logger.error("No suitable Wine binary found for registry operations")
+                logger.warning(f"User's configured Proton path has no wine binary: {user_proton_path}")
+
+            # Method 2: Fallback to auto-detection using WineUtils
+            best_proton = WineUtils.select_best_proton()
+            if best_proton:
+                wine_binary = WineUtils.find_proton_binary(best_proton['name'])
+                if wine_binary:
+                    logger.info(f"Using Wine binary from detected Proton: {wine_binary}")
+                    return wine_binary
+
+            # NEVER fall back to system wine - it will break Proton prefixes with architecture mismatches
+            logger.error("No suitable Proton Wine binary found for registry operations")
            return None

        except Exception as e:
            logger.error(f"Error finding Wine binary: {e}")
            return None

+    def _search_wine_in_proton_directory(self, proton_path: Path) -> Optional[str]:
+        """
+        Recursively search for wine binary within a Proton directory.
+        This handles cases where the directory structure might differ between Proton versions.
+        
+        Args:
+            proton_path: Path to the Proton directory to search
+            
+        Returns:
+            Path to wine binary if found, None otherwise
+        """
+        try:
+            if not proton_path.exists() or not proton_path.is_dir():
+                return None
+
+            # Search for 'wine' executable (not 'wine64' or 'wine-preloader')
+            # Limit search depth to avoid scanning entire filesystem
+            max_depth = 5
+            for root, dirs, files in os.walk(proton_path, followlinks=False):
+                # Calculate depth relative to proton_path
+                try:
+                    depth = len(Path(root).relative_to(proton_path).parts)
+                except ValueError:
+                    # Path is not relative to proton_path (shouldn't happen, but be safe)
+                    continue
+                    
+                if depth > max_depth:
+                    dirs.clear()  # Don't descend further
+                    continue
+                
+                # Check if 'wine' is in this directory
+                if 'wine' in files:
+                    wine_path = Path(root) / 'wine'
+                    # Verify it's actually an executable file
+                    if wine_path.is_file() and os.access(wine_path, os.X_OK):
+                        logger.debug(f"Found wine binary at: {wine_path}")
+                        return str(wine_path)
+
+            return None
+        except Exception as e:
+            logger.debug(f"Error during recursive wine search in {proton_path}: {e}")
+            return None
+
    def _inject_game_registry_entries(self, modlist_compatdata_path: str):
        """Detect and inject FNV/Enderal game paths and apply universal dotnet4.x compatibility fixes"""
        system_reg_path = os.path.join(modlist_compatdata_path, "pfx", "system.reg")
--- a/jackify/backend/services/modlist_service.py
+++ b/jackify/backend/services/modlist_service.py
@@ -276,6 +276,7 @@ class ModlistService:
            download_dir_str = str(actual_download_path)
            
            api_key = context['nexus_api_key']
+            oauth_info = context.get('nexus_oauth_info')

            # Path to the engine binary (copied from working code)
            engine_path = get_jackify_engine_path()
@@ -302,15 +303,25 @@ class ModlistService:
            # Store original environment values (copied from working code)
            original_env_values = {
                'NEXUS_API_KEY': os.environ.get('NEXUS_API_KEY'),
+                'NEXUS_OAUTH_INFO': os.environ.get('NEXUS_OAUTH_INFO'),
                'DOTNET_SYSTEM_GLOBALIZATION_INVARIANT': os.environ.get('DOTNET_SYSTEM_GLOBALIZATION_INVARIANT')
            }

            try:
-                # Environment setup (copied from working code)
+                # Environment setup - prefer NEXUS_OAUTH_INFO (supports auto-refresh) over NEXUS_API_KEY
+                if oauth_info:
+                    os.environ['NEXUS_OAUTH_INFO'] = oauth_info
+                    # Also set NEXUS_API_KEY for backward compatibility
                    if api_key:
                        os.environ['NEXUS_API_KEY'] = api_key
-                elif 'NEXUS_API_KEY' in os.environ:
+                elif api_key:
+                    os.environ['NEXUS_API_KEY'] = api_key
+                else:
+                    # No auth available, clear any inherited values
+                    if 'NEXUS_API_KEY' in os.environ:
                        del os.environ['NEXUS_API_KEY']
+                    if 'NEXUS_OAUTH_INFO' in os.environ:
+                        del os.environ['NEXUS_OAUTH_INFO']

                os.environ['DOTNET_SYSTEM_GLOBALIZATION_INVARIANT'] = "1"
                
--- a/jackify/backend/services/nexus_auth_service.py
+++ b/jackify/backend/services/nexus_auth_service.py
@@ -228,16 +228,65 @@ class NexusAuthService:

        return auth_token

-    def get_auth_for_engine(self) -> Optional[str]:
+    def get_auth_for_engine(self) -> Tuple[Optional[str], Optional[str]]:
        """
-        Get authentication token for jackify-engine
-        Same as ensure_valid_auth() - engine uses NEXUS_API_KEY env var for both OAuth and API keys
-        (This matches upstream Wabbajack behavior)
+        Get authentication for jackify-engine with auto-refresh support
+
+        Returns both NEXUS_API_KEY (for backward compat) and NEXUS_OAUTH_INFO (for auto-refresh).
+        When NEXUS_OAUTH_INFO is provided, the engine can automatically refresh expired tokens
+        during long installations.

        Returns:
-            Valid auth token to pass via NEXUS_API_KEY environment variable, or None
+            Tuple of (nexus_api_key, nexus_oauth_info_json)
+            - nexus_api_key: Access token or API key (for backward compat)
+            - nexus_oauth_info_json: Full OAuth state JSON (for auto-refresh) or None
        """
-        return self.ensure_valid_auth()
+        import json
+        import time
+
+        # Check if using OAuth and ensure token is fresh
+        if self.token_handler.has_token():
+            # Refresh token if expired (15 minute buffer for long installs)
+            access_token = self._get_oauth_token()
+            if not access_token:
+                logger.warning("OAuth token refresh failed, cannot provide auth to engine")
+                return (None, None)
+
+            # Load the refreshed token data
+            token_data = self.token_handler.load_token()
+
+            if token_data:
+                oauth_data = token_data.get('oauth', {})
+
+                # Build NexusOAuthState JSON matching upstream Wabbajack format
+                # This allows engine to auto-refresh tokens during long installations
+                nexus_oauth_state = {
+                    "oauth": {
+                        "access_token": oauth_data.get('access_token'),
+                        "token_type": oauth_data.get('token_type', 'Bearer'),
+                        "expires_in": oauth_data.get('expires_in', 3600),
+                        "refresh_token": oauth_data.get('refresh_token'),
+                        "scope": oauth_data.get('scope', 'public openid profile'),
+                        "created_at": oauth_data.get('created_at', int(time.time())),
+                        "_received_at": token_data.get('_saved_at', int(time.time())) * 10000000 + 116444736000000000  # Convert Unix to Windows FILETIME
+                    },
+                    "api_key": ""
+                }
+
+                nexus_oauth_json = json.dumps(nexus_oauth_state)
+                access_token = oauth_data.get('access_token')
+
+                logger.info("Providing OAuth state to engine for auto-refresh capability")
+                return (access_token, nexus_oauth_json)
+
+        # Fall back to API key (no auto-refresh support)
+        api_key = self.api_key_service.get_saved_api_key()
+        if api_key:
+            logger.info("Using API key for engine (no auto-refresh)")
+            return (api_key, None)
+
+        logger.warning("No authentication available for engine")
+        return (None, None)

    def clear_all_auth(self) -> bool:
        """
--- a/jackify/engine/TestBackslashFix.dll
+++ b/jackify/engine/TestBackslashFix.dll
--- a/jackify/engine/Wabbajack.CLI.Builder.dll
+++ b/jackify/engine/Wabbajack.CLI.Builder.dll
--- a/jackify/engine/Wabbajack.Common.dll
+++ b/jackify/engine/Wabbajack.Common.dll
--- a/jackify/engine/Wabbajack.Compiler.dll
+++ b/jackify/engine/Wabbajack.Compiler.dll
--- a/jackify/engine/Wabbajack.Compression.BSA.dll
+++ b/jackify/engine/Wabbajack.Compression.BSA.dll
--- a/jackify/engine/Wabbajack.Compression.Zip.dll
+++ b/jackify/engine/Wabbajack.Compression.Zip.dll
--- a/jackify/engine/Wabbajack.Configuration.dll
+++ b/jackify/engine/Wabbajack.Configuration.dll
--- a/jackify/engine/Wabbajack.DTOs.dll
+++ b/jackify/engine/Wabbajack.DTOs.dll
--- a/jackify/engine/Wabbajack.Downloaders.Bethesda.dll
+++ b/jackify/engine/Wabbajack.Downloaders.Bethesda.dll
--- a/jackify/engine/Wabbajack.Downloaders.Dispatcher.dll
+++ b/jackify/engine/Wabbajack.Downloaders.Dispatcher.dll
--- a/jackify/engine/Wabbajack.Downloaders.GameFile.dll
+++ b/jackify/engine/Wabbajack.Downloaders.GameFile.dll
--- a/jackify/engine/Wabbajack.Downloaders.GoogleDrive.dll
+++ b/jackify/engine/Wabbajack.Downloaders.GoogleDrive.dll
--- a/jackify/engine/Wabbajack.Downloaders.Http.dll
+++ b/jackify/engine/Wabbajack.Downloaders.Http.dll
--- a/jackify/engine/Wabbajack.Downloaders.IPS4OAuth2Downloader.dll
+++ b/jackify/engine/Wabbajack.Downloaders.IPS4OAuth2Downloader.dll
--- a/jackify/engine/Wabbajack.Downloaders.Interfaces.dll
+++ b/jackify/engine/Wabbajack.Downloaders.Interfaces.dll
--- a/jackify/engine/Wabbajack.Downloaders.Manual.dll
+++ b/jackify/engine/Wabbajack.Downloaders.Manual.dll
--- a/jackify/engine/Wabbajack.Downloaders.MediaFire.dll
+++ b/jackify/engine/Wabbajack.Downloaders.MediaFire.dll
--- a/jackify/engine/Wabbajack.Downloaders.Mega.dll
+++ b/jackify/engine/Wabbajack.Downloaders.Mega.dll
--- a/jackify/engine/Wabbajack.Downloaders.ModDB.dll
+++ b/jackify/engine/Wabbajack.Downloaders.ModDB.dll
--- a/jackify/engine/Wabbajack.Downloaders.Nexus.dll
+++ b/jackify/engine/Wabbajack.Downloaders.Nexus.dll
--- a/jackify/engine/Wabbajack.Downloaders.VerificationCache.dll
+++ b/jackify/engine/Wabbajack.Downloaders.VerificationCache.dll
--- a/jackify/engine/Wabbajack.Downloaders.WabbajackCDN.dll
+++ b/jackify/engine/Wabbajack.Downloaders.WabbajackCDN.dll
--- a/jackify/engine/Wabbajack.FileExtractor.dll
+++ b/jackify/engine/Wabbajack.FileExtractor.dll
--- a/jackify/engine/Wabbajack.Hashing.PHash.dll
+++ b/jackify/engine/Wabbajack.Hashing.PHash.dll
--- a/jackify/engine/Wabbajack.Hashing.xxHash64.dll
+++ b/jackify/engine/Wabbajack.Hashing.xxHash64.dll
--- a/jackify/engine/Wabbajack.IO.Async.dll
+++ b/jackify/engine/Wabbajack.IO.Async.dll
--- a/jackify/engine/Wabbajack.Installer.dll
+++ b/jackify/engine/Wabbajack.Installer.dll
--- a/jackify/engine/Wabbajack.Networking.BethesdaNet.dll
+++ b/jackify/engine/Wabbajack.Networking.BethesdaNet.dll
--- a/jackify/engine/Wabbajack.Networking.Discord.dll
+++ b/jackify/engine/Wabbajack.Networking.Discord.dll
--- a/jackify/engine/Wabbajack.Networking.GitHub.dll
+++ b/jackify/engine/Wabbajack.Networking.GitHub.dll
--- a/jackify/engine/Wabbajack.Networking.Http.Interfaces.dll
+++ b/jackify/engine/Wabbajack.Networking.Http.Interfaces.dll
--- a/jackify/engine/Wabbajack.Networking.Http.dll
+++ b/jackify/engine/Wabbajack.Networking.Http.dll
--- a/jackify/engine/Wabbajack.Networking.NexusApi.dll
+++ b/jackify/engine/Wabbajack.Networking.NexusApi.dll
--- a/jackify/engine/Wabbajack.Networking.WabbajackClientApi.dll
+++ b/jackify/engine/Wabbajack.Networking.WabbajackClientApi.dll
--- a/jackify/engine/Wabbajack.Paths.IO.dll
+++ b/jackify/engine/Wabbajack.Paths.IO.dll
--- a/jackify/engine/Wabbajack.Paths.dll
+++ b/jackify/engine/Wabbajack.Paths.dll
--- a/jackify/engine/Wabbajack.RateLimiter.dll
+++ b/jackify/engine/Wabbajack.RateLimiter.dll
--- a/jackify/engine/Wabbajack.Server.Lib.dll
+++ b/jackify/engine/Wabbajack.Server.Lib.dll
--- a/jackify/engine/Wabbajack.Services.OSIntegrated.dll
+++ b/jackify/engine/Wabbajack.Services.OSIntegrated.dll
--- a/jackify/engine/Wabbajack.VFS.Interfaces.dll
+++ b/jackify/engine/Wabbajack.VFS.Interfaces.dll
--- a/jackify/engine/Wabbajack.VFS.dll
+++ b/jackify/engine/Wabbajack.VFS.dll
--- a/jackify/engine/jackify-engine.deps.json
+++ b/jackify/engine/jackify-engine.deps.json
@@ -7,7 +7,7 @@
  "targets": {
    ".NETCoreApp,Version=v8.0": {},
    ".NETCoreApp,Version=v8.0/linux-x64": {
-      "jackify-engine/0.4.4": {
+      "jackify-engine/0.4.5": {
        "dependencies": {
          "Markdig": "0.40.0",
          "Microsoft.Extensions.Configuration.Json": "9.0.1",
@@ -22,16 +22,16 @@
          "SixLabors.ImageSharp": "3.1.6",
          "System.CommandLine": "2.0.0-beta4.22272.1",
          "System.CommandLine.NamingConventionBinder": "2.0.0-beta4.22272.1",
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+          "Wabbajack.Hashing.xxHash64": "0.4.5",
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          "MegaApiClient": "1.0.0.0",
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        },
@@ -1781,7 +1781,7 @@
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@@ -1791,109 +1791,109 @@
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@@ -1903,360 +1903,360 @@
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          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Newtonsoft.Json": "13.0.3",
          "Octopus.Octodiff": "2.0.548",
          "SixLabors.ImageSharp": "3.1.6",
-          "Wabbajack.DTOs": "0.4.4",
-          "Wabbajack.Downloaders.Dispatcher": "0.4.4",
-          "Wabbajack.Downloaders.GameFile": "0.4.4",
-          "Wabbajack.FileExtractor": "0.4.4",
-          "Wabbajack.Networking.WabbajackClientApi": "0.4.4",
-          "Wabbajack.Paths": "0.4.4",
-          "Wabbajack.Paths.IO": "0.4.4",
-          "Wabbajack.VFS": "0.4.4",
+          "Wabbajack.DTOs": "0.4.5",
+          "Wabbajack.Downloaders.Dispatcher": "0.4.5",
+          "Wabbajack.Downloaders.GameFile": "0.4.5",
+          "Wabbajack.FileExtractor": "0.4.5",
+          "Wabbajack.Networking.WabbajackClientApi": "0.4.5",
+          "Wabbajack.Paths": "0.4.5",
+          "Wabbajack.Paths.IO": "0.4.5",
+          "Wabbajack.VFS": "0.4.5",
          "ini-parser-netstandard": "2.5.2"
        },
        "runtime": {
          "Wabbajack.Installer.dll": {}
        }
      },
-      "Wabbajack.IO.Async/0.4.4": {
+      "Wabbajack.IO.Async/0.4.5": {
        "runtime": {
          "Wabbajack.IO.Async.dll": {}
        }
      },
-      "Wabbajack.Networking.BethesdaNet/0.4.4": {
+      "Wabbajack.Networking.BethesdaNet/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
-          "Wabbajack.DTOs": "0.4.4",
-          "Wabbajack.Networking.Http": "0.4.4",
-          "Wabbajack.Networking.Http.Interfaces": "0.4.4"
+          "Wabbajack.DTOs": "0.4.5",
+          "Wabbajack.Networking.Http": "0.4.5",
+          "Wabbajack.Networking.Http.Interfaces": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Networking.BethesdaNet.dll": {}
        }
      },
-      "Wabbajack.Networking.Discord/0.4.4": {
+      "Wabbajack.Networking.Discord/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
-          "Wabbajack.Networking.Http.Interfaces": "0.4.4"
+          "Wabbajack.Networking.Http.Interfaces": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Networking.Discord.dll": {}
        }
      },
-      "Wabbajack.Networking.GitHub/0.4.4": {
+      "Wabbajack.Networking.GitHub/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
          "Octokit": "14.0.0",
-          "Wabbajack.DTOs": "0.4.4",
-          "Wabbajack.Networking.Http.Interfaces": "0.4.4"
+          "Wabbajack.DTOs": "0.4.5",
+          "Wabbajack.Networking.Http.Interfaces": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Networking.GitHub.dll": {}
        }
      },
-      "Wabbajack.Networking.Http/0.4.4": {
+      "Wabbajack.Networking.Http/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Microsoft.Extensions.Http": "9.0.1",
          "Microsoft.Extensions.Logging": "9.0.1",
-          "Wabbajack.Configuration": "0.4.4",
-          "Wabbajack.Downloaders.Interfaces": "0.4.4",
-          "Wabbajack.Hashing.xxHash64": "0.4.4",
-          "Wabbajack.Networking.Http.Interfaces": "0.4.4",
-          "Wabbajack.Paths": "0.4.4",
-          "Wabbajack.Paths.IO": "0.4.4"
+          "Wabbajack.Configuration": "0.4.5",
+          "Wabbajack.Downloaders.Interfaces": "0.4.5",
+          "Wabbajack.Hashing.xxHash64": "0.4.5",
+          "Wabbajack.Networking.Http.Interfaces": "0.4.5",
+          "Wabbajack.Paths": "0.4.5",
+          "Wabbajack.Paths.IO": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Networking.Http.dll": {}
        }
      },
-      "Wabbajack.Networking.Http.Interfaces/0.4.4": {
+      "Wabbajack.Networking.Http.Interfaces/0.4.5": {
        "dependencies": {
-          "Wabbajack.Hashing.xxHash64": "0.4.4"
+          "Wabbajack.Hashing.xxHash64": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Networking.Http.Interfaces.dll": {}
        }
      },
-      "Wabbajack.Networking.NexusApi/0.4.4": {
+      "Wabbajack.Networking.NexusApi/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
-          "Wabbajack.DTOs": "0.4.4",
-          "Wabbajack.Networking.Http": "0.4.4",
-          "Wabbajack.Networking.Http.Interfaces": "0.4.4",
-          "Wabbajack.Networking.WabbajackClientApi": "0.4.4"
+          "Wabbajack.DTOs": "0.4.5",
+          "Wabbajack.Networking.Http": "0.4.5",
+          "Wabbajack.Networking.Http.Interfaces": "0.4.5",
+          "Wabbajack.Networking.WabbajackClientApi": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Networking.NexusApi.dll": {}
        }
      },
-      "Wabbajack.Networking.WabbajackClientApi/0.4.4": {
+      "Wabbajack.Networking.WabbajackClientApi/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
          "Octokit": "14.0.0",
-          "Wabbajack.Common": "0.4.4",
-          "Wabbajack.DTOs": "0.4.4",
-          "Wabbajack.Paths.IO": "0.4.4",
-          "Wabbajack.VFS.Interfaces": "0.4.4",
+          "Wabbajack.Common": "0.4.5",
+          "Wabbajack.DTOs": "0.4.5",
+          "Wabbajack.Paths.IO": "0.4.5",
+          "Wabbajack.VFS.Interfaces": "0.4.5",
          "YamlDotNet": "16.3.0"
        },
        "runtime": {
          "Wabbajack.Networking.WabbajackClientApi.dll": {}
        }
      },
-      "Wabbajack.Paths/0.4.4": {
+      "Wabbajack.Paths/0.4.5": {
        "runtime": {
          "Wabbajack.Paths.dll": {}
        }
      },
-      "Wabbajack.Paths.IO/0.4.4": {
+      "Wabbajack.Paths.IO/0.4.5": {
        "dependencies": {
-          "Wabbajack.Paths": "0.4.4",
+          "Wabbajack.Paths": "0.4.5",
          "shortid": "4.0.0"
        },
        "runtime": {
          "Wabbajack.Paths.IO.dll": {}
        }
      },
-      "Wabbajack.RateLimiter/0.4.4": {
+      "Wabbajack.RateLimiter/0.4.5": {
        "runtime": {
          "Wabbajack.RateLimiter.dll": {}
        }
      },
-      "Wabbajack.Server.Lib/0.4.4": {
+      "Wabbajack.Server.Lib/0.4.5": {
        "dependencies": {
          "FluentFTP": "52.0.0",
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
@@ -2264,58 +2264,58 @@
          "Nettle": "3.0.0",
          "Newtonsoft.Json": "13.0.3",
          "SixLabors.ImageSharp": "3.1.6",
-          "Wabbajack.Common": "0.4.4",
-          "Wabbajack.Networking.Http.Interfaces": "0.4.4",
-          "Wabbajack.Services.OSIntegrated": "0.4.4"
+          "Wabbajack.Common": "0.4.5",
+          "Wabbajack.Networking.Http.Interfaces": "0.4.5",
+          "Wabbajack.Services.OSIntegrated": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Server.Lib.dll": {}
        }
      },
-      "Wabbajack.Services.OSIntegrated/0.4.4": {
+      "Wabbajack.Services.OSIntegrated/0.4.5": {
        "dependencies": {
          "DeviceId": "6.8.0",
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Newtonsoft.Json": "13.0.3",
          "SixLabors.ImageSharp": "3.1.6",
-          "Wabbajack.Compiler": "0.4.4",
-          "Wabbajack.Downloaders.Dispatcher": "0.4.4",
-          "Wabbajack.Installer": "0.4.4",
-          "Wabbajack.Networking.BethesdaNet": "0.4.4",
-          "Wabbajack.Networking.Discord": "0.4.4",
-          "Wabbajack.VFS": "0.4.4"
+          "Wabbajack.Compiler": "0.4.5",
+          "Wabbajack.Downloaders.Dispatcher": "0.4.5",
+          "Wabbajack.Installer": "0.4.5",
+          "Wabbajack.Networking.BethesdaNet": "0.4.5",
+          "Wabbajack.Networking.Discord": "0.4.5",
+          "Wabbajack.VFS": "0.4.5"
        },
        "runtime": {
          "Wabbajack.Services.OSIntegrated.dll": {}
        }
      },
-      "Wabbajack.VFS/0.4.4": {
+      "Wabbajack.VFS/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
          "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
          "SixLabors.ImageSharp": "3.1.6",
          "System.Data.SQLite.Core": "1.0.119",
-          "Wabbajack.Common": "0.4.4",
-          "Wabbajack.FileExtractor": "0.4.4",
-          "Wabbajack.Hashing.PHash": "0.4.4",
-          "Wabbajack.Hashing.xxHash64": "0.4.4",
-          "Wabbajack.Paths": "0.4.4",
-          "Wabbajack.Paths.IO": "0.4.4",
-          "Wabbajack.VFS.Interfaces": "0.4.4"
+          "Wabbajack.Common": "0.4.5",
+          "Wabbajack.FileExtractor": "0.4.5",
+          "Wabbajack.Hashing.PHash": "0.4.5",
+          "Wabbajack.Hashing.xxHash64": "0.4.5",
+          "Wabbajack.Paths": "0.4.5",
+          "Wabbajack.Paths.IO": "0.4.5",
+          "Wabbajack.VFS.Interfaces": "0.4.5"
        },
        "runtime": {
          "Wabbajack.VFS.dll": {}
        }
      },
-      "Wabbajack.VFS.Interfaces/0.4.4": {
+      "Wabbajack.VFS.Interfaces/0.4.5": {
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "9.0.1",
          "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
-          "Wabbajack.DTOs": "0.4.4",
-          "Wabbajack.Hashing.xxHash64": "0.4.4",
-          "Wabbajack.Paths": "0.4.4"
+          "Wabbajack.DTOs": "0.4.5",
+          "Wabbajack.Hashing.xxHash64": "0.4.5",
+          "Wabbajack.Paths": "0.4.5"
        },
        "runtime": {
          "Wabbajack.VFS.Interfaces.dll": {}
@@ -2332,7 +2332,7 @@
    }
  },
  "libraries": {
-    "jackify-engine/0.4.4": {
+    "jackify-engine/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
@@ -3021,202 +3021,202 @@
      "path": "yamldotnet/16.3.0",
      "hashPath": "yamldotnet.16.3.0.nupkg.sha512"
    },
-    "Wabbajack.CLI.Builder/0.4.4": {
+    "Wabbajack.CLI.Builder/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Common/0.4.4": {
+    "Wabbajack.Common/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Compiler/0.4.4": {
+    "Wabbajack.Compiler/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Compression.BSA/0.4.4": {
+    "Wabbajack.Compression.BSA/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Compression.Zip/0.4.4": {
+    "Wabbajack.Compression.Zip/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Configuration/0.4.4": {
+    "Wabbajack.Configuration/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.Bethesda/0.4.4": {
+    "Wabbajack.Downloaders.Bethesda/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.Dispatcher/0.4.4": {
+    "Wabbajack.Downloaders.Dispatcher/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.GameFile/0.4.4": {
+    "Wabbajack.Downloaders.GameFile/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.GoogleDrive/0.4.4": {
+    "Wabbajack.Downloaders.GoogleDrive/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.Http/0.4.4": {
+    "Wabbajack.Downloaders.Http/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.Interfaces/0.4.4": {
+    "Wabbajack.Downloaders.Interfaces/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.IPS4OAuth2Downloader/0.4.4": {
+    "Wabbajack.Downloaders.IPS4OAuth2Downloader/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.Manual/0.4.4": {
+    "Wabbajack.Downloaders.Manual/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.MediaFire/0.4.4": {
+    "Wabbajack.Downloaders.MediaFire/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.Mega/0.4.4": {
+    "Wabbajack.Downloaders.Mega/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.ModDB/0.4.4": {
+    "Wabbajack.Downloaders.ModDB/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.Nexus/0.4.4": {
+    "Wabbajack.Downloaders.Nexus/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.VerificationCache/0.4.4": {
+    "Wabbajack.Downloaders.VerificationCache/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Downloaders.WabbajackCDN/0.4.4": {
+    "Wabbajack.Downloaders.WabbajackCDN/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.DTOs/0.4.4": {
+    "Wabbajack.DTOs/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.FileExtractor/0.4.4": {
+    "Wabbajack.FileExtractor/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Hashing.PHash/0.4.4": {
+    "Wabbajack.Hashing.PHash/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Hashing.xxHash64/0.4.4": {
+    "Wabbajack.Hashing.xxHash64/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Installer/0.4.4": {
+    "Wabbajack.Installer/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.IO.Async/0.4.4": {
+    "Wabbajack.IO.Async/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Networking.BethesdaNet/0.4.4": {
+    "Wabbajack.Networking.BethesdaNet/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Networking.Discord/0.4.4": {
+    "Wabbajack.Networking.Discord/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Networking.GitHub/0.4.4": {
+    "Wabbajack.Networking.GitHub/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Networking.Http/0.4.4": {
+    "Wabbajack.Networking.Http/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Networking.Http.Interfaces/0.4.4": {
+    "Wabbajack.Networking.Http.Interfaces/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Networking.NexusApi/0.4.4": {
+    "Wabbajack.Networking.NexusApi/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Networking.WabbajackClientApi/0.4.4": {
+    "Wabbajack.Networking.WabbajackClientApi/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Paths/0.4.4": {
+    "Wabbajack.Paths/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Paths.IO/0.4.4": {
+    "Wabbajack.Paths.IO/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.RateLimiter/0.4.4": {
+    "Wabbajack.RateLimiter/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Server.Lib/0.4.4": {
+    "Wabbajack.Server.Lib/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.Services.OSIntegrated/0.4.4": {
+    "Wabbajack.Services.OSIntegrated/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.VFS/0.4.4": {
+    "Wabbajack.VFS/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
    },
-    "Wabbajack.VFS.Interfaces/0.4.4": {
+    "Wabbajack.VFS.Interfaces/0.4.5": {
      "type": "project",
      "serviceable": false,
      "sha512": ""
--- a/jackify/engine/jackify-engine.dll
+++ b/jackify/engine/jackify-engine.dll
--- a/jackify/frontends/gui/main.py
+++ b/jackify/frontends/gui/main.py
@@ -1891,7 +1891,8 @@ def main():
    # Initialize file logging on root logger so all modules inherit it
    from jackify.shared.logging import LoggingHandler
    logging_handler = LoggingHandler()
-    # Rotate log file before setting up new logger
+    # Only rotate log file when debug mode is enabled
+    if debug_mode:
        logging_handler.rotate_log_for_logger('jackify_gui', 'jackify-gui.log')
    root_logger = logging_handler.setup_logger('', 'jackify-gui.log', is_general=True)  # Empty name = root logger

--- a/jackify/frontends/gui/screens/configure_existing_modlist.py
+++ b/jackify/frontends/gui/screens/configure_existing_modlist.py
@@ -639,6 +639,8 @@ class ConfigureExistingModlistScreen(QWidget):
            # Start time tracking
            self._workflow_start_time = time.time()

+            from jackify import __version__ as jackify_version
+            self._safe_append_text(f"Jackify v{jackify_version}")
            self._safe_append_text("[Jackify] Starting post-install configuration...")
            
            # Create configuration thread using backend service
--- a/jackify/frontends/gui/screens/configure_new_modlist.py
+++ b/jackify/frontends/gui/screens/configure_new_modlist.py
@@ -921,6 +921,8 @@ class ConfigureNewModlistScreen(QWidget):
            self._safe_append_text("Steam restarted successfully.")

            # Start configuration immediately - the CLI will handle any manual steps
+            from jackify import __version__ as jackify_version
+            self._safe_append_text(f"Jackify v{jackify_version}")
            self._safe_append_text("Starting modlist configuration...")
            self.configure_modlist()
        else:
@@ -950,6 +952,8 @@ class ConfigureNewModlistScreen(QWidget):

    def _start_automated_prefix_workflow(self, modlist_name, install_dir, mo2_exe_path, resolution):
        """Start the automated prefix workflow using AutomatedPrefixService in a background thread"""
+        from jackify import __version__ as jackify_version
+        self._safe_append_text(f"Jackify v{jackify_version}")
        self._safe_append_text(f"Initializing automated Steam setup for '{modlist_name}'...")
        self._safe_append_text("Starting automated Steam shortcut creation and configuration...")
        
--- a/jackify/frontends/gui/screens/install_modlist.py
+++ b/jackify/frontends/gui/screens/install_modlist.py
@@ -1869,7 +1869,7 @@ class InstallModlistScreen(QWidget):
            downloads_dir = self.downloads_dir_edit.text().strip()

            # Get authentication token (OAuth or API key) with automatic refresh
-            api_key = self.auth_service.ensure_valid_auth()
+            api_key, oauth_info = self.auth_service.get_auth_for_engine()
            if not api_key:
                self._abort_with_message(
                    "warning",
@@ -2097,7 +2097,7 @@ class InstallModlistScreen(QWidget):
                    return
            
            debug_print(f'DEBUG: Calling run_modlist_installer with modlist={modlist}, install_dir={install_dir}, downloads_dir={downloads_dir}, install_mode={install_mode}')
-            self.run_modlist_installer(modlist, install_dir, downloads_dir, api_key, install_mode)
+            self.run_modlist_installer(modlist, install_dir, downloads_dir, api_key, install_mode, oauth_info)
        except Exception as e:
            debug_print(f"DEBUG: Exception in validate_and_start_install: {e}")
            import traceback
@@ -2108,7 +2108,7 @@ class InstallModlistScreen(QWidget):
            self.cancel_install_btn.setVisible(False)
            debug_print(f"DEBUG: Controls re-enabled in exception handler")

-    def run_modlist_installer(self, modlist, install_dir, downloads_dir, api_key, install_mode='online'):
+    def run_modlist_installer(self, modlist, install_dir, downloads_dir, api_key, install_mode='online', oauth_info=None):
        debug_print('DEBUG: run_modlist_installer called - USING THREADED BACKEND WRAPPER')
        
        # Rotate log file at start of each workflow run (keep 5 backups)
@@ -2119,6 +2119,8 @@ class InstallModlistScreen(QWidget):
        
        # Clear console for fresh installation output
        self.console.clear()
+        from jackify import __version__ as jackify_version
+        self._safe_append_text(f"Jackify v{jackify_version}")
        self._safe_append_text("Starting modlist installation with custom progress handling...")
        
        # Update UI state for installation
@@ -2136,7 +2138,7 @@ class InstallModlistScreen(QWidget):
            installation_finished = Signal(bool, str)
            premium_required_detected = Signal(str)
            
-            def __init__(self, modlist, install_dir, downloads_dir, api_key, modlist_name, install_mode='online', progress_state_manager=None):
+            def __init__(self, modlist, install_dir, downloads_dir, api_key, modlist_name, install_mode='online', progress_state_manager=None, auth_service=None, oauth_info=None):
                super().__init__()
                self.modlist = modlist
                self.install_dir = install_dir
@@ -2148,6 +2150,8 @@ class InstallModlistScreen(QWidget):
                self.process_manager = None
                # R&D: Progress state manager for parsing
                self.progress_state_manager = progress_state_manager
+                self.auth_service = auth_service
+                self.oauth_info = oauth_info
                self._premium_signal_sent = False
                # Rolling buffer for Premium detection diagnostics
                self._engine_output_buffer = []
@@ -2196,7 +2200,10 @@ class InstallModlistScreen(QWidget):

                    # Use clean subprocess environment to prevent AppImage variable inheritance
                    from jackify.backend.handlers.subprocess_utils import get_clean_subprocess_env
-                    env = get_clean_subprocess_env({'NEXUS_API_KEY': self.api_key})
+                    env_vars = {'NEXUS_API_KEY': self.api_key}
+                    if self.oauth_info:
+                        env_vars['NEXUS_OAUTH_INFO'] = self.oauth_info
+                    env = get_clean_subprocess_env(env_vars)
                    self.process_manager = ProcessManager(cmd, env=env, text=False)
                    ansi_escape = re.compile(rb'\x1b\[[0-9;?]*[ -/]*[@-~]')
                    buffer = b''
@@ -2451,7 +2458,9 @@ class InstallModlistScreen(QWidget):
        # After the InstallationThread class definition, add:
        self.install_thread = InstallationThread(
            modlist, install_dir, downloads_dir, api_key, self.modlist_name_edit.text().strip(), install_mode,
-            progress_state_manager=self.progress_state_manager  # R&D: Pass progress state manager
+            progress_state_manager=self.progress_state_manager,  # R&D: Pass progress state manager
+            auth_service=self.auth_service,  # Fix Issue #127: Pass auth_service for Premium detection diagnostics
+            oauth_info=oauth_info  # Pass OAuth state for auto-refresh
        )
        self.install_thread.output_received.connect(self.on_installation_output)
        self.install_thread.progress_received.connect(self.on_installation_progress)