Updated how settings and API keys are stored - Reworked the GUI to use flet

.gitignore

@@ -208,3 +208,6 @@ __marimo__/
 
 # AI Files
 .claude/
+
+# Settings files
+config.json

application/app.py

@@ -6,8 +6,10 @@ This application provides GitHub automation workflows with AI assistance.
 """
 
 import sys
-import tkinter as tk
+import flet as ft
-from tkinter import messagebox
+# Compatibility fix for Flet 0.28+ (Icons vs icons, Colors vs colors)
+ft.icons = ft.Icons
+ft.colors = ft.Colors
 
 # Import our modular components
 try:
@@ -24,11 +26,26 @@ except ImportError as e:
 class GitHubAutomationApp:
     """Main application class that orchestrates all components"""
 
-    def __init__(self):
+    def __init__(self, page: ft.Page):
         """Initialize the application"""
-        self.root = tk.Tk()
+        self.page = page
-        self.root.title("GitHub Pulse")
+
-        self.root.geometry("1400x1000")
+        # Configure page
+        self.page.title = "GitHub Pulse"
+        self.page.theme_mode = ft.ThemeMode.DARK
+        self.page.padding = 0
+
+        # Set window size
+        self.page.window_width = 1400
+        self.page.window_height = 1000
+        self.page.window_min_width = 1200
+        self.page.window_min_height = 800
+
+        # Material Design 3 theme
+        self.page.theme = ft.Theme(
+            color_scheme_seed="blue",
+            use_material3=True,
+        )
 
         # Initialize core managers
         self.config_manager = ConfigManager()
@@ -41,20 +58,30 @@ class GitHubAutomationApp:
         dry_run_config = self.config.get('DRY_RUN', 'false')
         self.dry_run_enabled = str(dry_run_config).lower() in ('true', '1', 'yes', 'on')
 
+        # Register listener for live settings updates
+        self.config_manager.register_listener(self._on_setting_changed)
+
         # Initialize main GUI
         self.main_gui = MainGUI(
-            root=self.root,
+            page=self.page,
             config_manager=self.config_manager,
             ai_manager=self.ai_manager,
             app=self
         )
 
-        # Set up AI provider check after GUI is ready
+        # Build UI
-        self.root.after(100, self._check_ai_provider_setup)
+        self.page.add(self.main_gui.build())
 
-    def _check_ai_provider_setup(self):
+        # Check AI provider setup after a short delay
+        self.page.run_task(self._check_ai_provider_setup_async)
+
+    async def _check_ai_provider_setup_async(self):
         """Check and setup AI providers after GUI initialization"""
         try:
+            # Wait a bit for GUI to fully load
+            import asyncio
+            await asyncio.sleep(0.5)
+
             ai_provider = self.config.get('AI_PROVIDER', '').strip().lower()
 
             if not ai_provider or ai_provider in ['none', '']:
@@ -64,7 +91,7 @@ class GitHubAutomationApp:
                 return  # Unknown provider
 
             # Check if modules are available and offer installation if needed
-            self.ai_manager.check_and_install_ai_modules(ai_provider, self.root)
+            await self.ai_manager.check_and_install_ai_modules_async(ai_provider, self.page)
 
         except Exception as e:
             print(f"Error checking AI provider setup: {e}")
@@ -98,26 +125,63 @@ class GitHubAutomationApp:
         logger = self.main_gui.logger if hasattr(self.main_gui, 'logger') else None
         return GitHubAPI(token, logger, dry_run)
 
-    def run(self):
+    def _on_setting_changed(self, key: str, value: any):
-        """Start the application"""
+        """
-        try:
+        Handle settings changes with live updates (no restart needed!)
-            self.root.mainloop()
+
-        except KeyboardInterrupt:
+        Args:
-            print("Application interrupted by user")
+            key: Setting key that changed
-        except Exception as e:
+            value: New value
-            messagebox.showerror("Application Error", f"An unexpected error occurred:\n{str(e)}")
+        """
-            print(f"Application error: {e}")
+        print(f"⚡ Setting changed: {key} = {value}")
+
+        # Theme changes - apply immediately
+        if key == 'THEME_MODE':
+            if value == 'dark':
+                self.page.theme_mode = ft.ThemeMode.DARK
+            elif value == 'light':
+                self.page.theme_mode = ft.ThemeMode.LIGHT
+            self.page.update()
+            print(f"✓ Theme updated to {value}")
+
+        # Dry run mode changes
+        elif key == 'DRY_RUN':
+            self.dry_run_enabled = str(value).lower() in ('true', '1', 'yes', 'on')
+            print(f"✓ Dry run mode: {self.dry_run_enabled}")
+
+        # GitHub token changes - reinitialize API
+        elif key == 'GITHUB_PAT':
+            if hasattr(self, 'main_gui') and self.main_gui:
+                print("✓ GitHub token updated - API will be reinitialized on next use")
+
+        # AI provider changes
+        elif key == 'AI_PROVIDER':
+            print(f"✓ AI provider changed to: {value}")
+            # AI manager will use new provider on next request
+
+        # Update internal config
+        self.config[key] = value
 
 
-def main():
+async def main(page: ft.Page):
-    """Main entry point"""
+    """Main entry point for Flet application"""
     try:
-        app = GitHubAutomationApp()
+        app = GitHubAutomationApp(page)
-        app.run()
     except Exception as e:
+        # Show error as a simple text on the page since dialog can't open before page init
         print(f"Failed to start application: {e}")
-        sys.exit(1)
+        import traceback
+        traceback.print_exc()
+
+        # Add error message to page
+        error_text = ft.Text(
+            f"Application Error:\n\n{str(e)}\n\nPlease check the console for details.",
+            color="red",
+            size=16,
+        )
+        page.add(error_text)
 
 
 if __name__ == "__main__":
-    main()
+    # Run the Flet app
+    ft.app(target=main)

application/app_components/ai_manager.py

@@ -3272,6 +3272,26 @@ class AIManager:
         
         return self.install_ai_packages(missing, parent_window)
 
+    async def check_and_install_ai_modules_async(self, provider_name: str, page=None) -> bool:
+        """Async wrapper for check_and_install_ai_modules for Flet integration
+
+        Args:
+            provider_name: AI provider name
+            page: Flet page instance for showing dialogs
+
+        Returns:
+            bool: True if modules are available or successfully installed
+        """
+        import asyncio
+
+        # Run the sync method in a thread pool
+        result = await asyncio.to_thread(
+            self.check_and_install_ai_modules,
+            provider_name,
+            page
+        )
+        return result
+
     def show_ai_modules_info(self, provider_name: str, parent_window=None) -> None:
         """Show detailed AI modules information"""
         try:

application/app_components/config_manager.py

@@ -1,221 +1,135 @@
 """
 Configuration Manager
-Handles loading/saving configuration from .env files and launch.json
+Wrapper around SettingsManager for backward compatibility.
+Now uses config.json + keyring instead of .env files.
 """
 
 import os
 import json
 from typing import Dict, Any, Optional
+from pathlib import Path
+from .settings_manager import SettingsManager
 
 
 class ConfigManager:
-    """Manages application configuration from multiple sources"""
+    """
+    Manages application configuration using the new SettingsManager.
+
+    Provides backward compatibility with old .env-based code while
+    using the modern config.json + keyring system underneath.
+    """
 
     def __init__(self):
-        self.config = self.load_configuration()
+        """Initialize with SettingsManager backend"""
+        # Initialize the modern settings system
+        self._settings = SettingsManager()
 
-    def _get_default_config(self) -> Dict[str, Any]:
+        # Check if .env exists and offer migration
-        """Get default configuration values"""
+        env_path = Path('.env')
-        return {
+        if env_path.exists() and not Path('application/config.json').exists():
-            'GITHUB_PAT': None,
+            print("\n" + "="*60)
-            'GITHUB_REPO': None,
+            print("NOTICE: Legacy .env file detected!")
-            'FORKED_REPO': None,  # User's fork repository
+            print("="*60)
-            'AI_PROVIDER': None,
+            print("Your app now uses a modern settings system with:")
-            'CLAUDE_API_KEY': None,
+            print("  ✓ Secure API key storage (Windows Credential Manager)")
-            'OPENAI_API_KEY': None,
+            print("  ✓ Live settings updates (no restart needed)")
-            'GITHUB_TOKEN': None,  # For GitHub Copilot AI Provider
+            print("  ✓ Better configuration management")
-            'OLLAMA_URL': None,  # Ollama server URL
+            print()
-            'OLLAMA_API_KEY': None,  # Optional Ollama API key/password
+            print("Migrating settings from .env to new system...")
-            'OLLAMA_MODEL': None,  # Selected Ollama model
+            print()
-            'LOCAL_REPO_PATH': None,
+
-            'DRY_RUN': 'false',
+            if self._settings.migrate_from_env(env_path):
-            'CUSTOM_INSTRUCTIONS': None  # Custom AI instructions
+                print("✓ Migration successful!")
-        }
+                print(f"  - Secrets → System keyring")
+                print(f"  - Settings → {self._settings.config_file}")
+                print()
+                print("Your .env file is kept as backup.")
+                print("You can delete it once you verify everything works.")
+            else:
+                print("✗ Migration failed. Using .env as fallback.")
+            print("="*60 + "\n")
+
+        # Load configuration
+        self.config = self._settings.get_all()
+
+        # Auto-default GITHUB_TOKEN to GITHUB_PAT if needed
+        self._apply_token_defaults()
+
+        # Show configuration status
+        self._print_config_status()
+
+    def _apply_token_defaults(self):
+        """Auto-default GITHUB_TOKEN to GITHUB_PAT if GITHUB_TOKEN is empty"""
+        github_token = self.config.get('GITHUB_TOKEN', '').strip() if self.config.get('GITHUB_TOKEN') else ''
+        github_pat = self.config.get('GITHUB_PAT', '').strip() if self.config.get('GITHUB_PAT') else ''
+
+        if not github_token and github_pat:
+            self.config['GITHUB_TOKEN'] = github_pat
+            self._settings.set('GITHUB_TOKEN', github_pat, save=False)
+
+    def _print_config_status(self):
+        """Print configuration load status"""
+        loaded_keys = []
+        for key, value in self.config.items():
+            if value and str(value).strip():
+                # Don't show actual secret values
+                if key in SettingsManager.SECRET_KEYS:
+                    loaded_keys.append(f"{key}: loaded")
+                else:
+                    loaded_keys.append(f"{key}: loaded")
+
+        if loaded_keys:
+            print(f"Configuration status: {', '.join(loaded_keys)}")
+        else:
+            print("No configuration values loaded - using defaults")
 
     def load_configuration(self) -> Dict[str, Any]:
-        """Load configuration from launch.json first, then .env as fallback"""
+        """
-        config = self._get_default_config()
+        Load configuration from new system (config.json + keyring).
-        launch_json_keys = set()
 
-        # First, try to load from launch.json
+        Returns:
-        launch_json_path = os.path.join('.vscode', 'launch.json')
+            Dictionary of all settings
-        if os.path.exists(launch_json_path):
+        """
-            try:
+        self.config = self._settings.load()
-                with open(launch_json_path, 'r', encoding='utf-8') as f:
+        self._apply_token_defaults()
-                    launch_data = json.load(f)
+        return self.config
-                    
-                # Look for configurations with env variables
-                for configuration in launch_data.get('configurations', []):
-                    env_vars = configuration.get('env', {})
-                    for key in config.keys():
-                        if key in env_vars and env_vars[key] and not env_vars[key].startswith('<'):
-                            config[key] = env_vars[key]
-                            launch_json_keys.add(key)
-                            
-                if launch_json_keys:
-                    print(f"Loaded configuration from launch.json: {launch_json_path}")
-                
-            except (json.JSONDecodeError, FileNotFoundError, KeyError) as e:
-                print(f"Could not load launch.json: {e}")
-        
-        # Check if .env file exists, create default if not
-        if not os.path.exists('.env'):
-            print("No .env file found. Creating default .env file...")
-            self._create_default_env_file(config)
-        
-        # Load values from .env file (but don't override launch.json values)
-        if os.path.exists('.env'):
-            try:
-                env_loaded = False
-                with open('.env', 'r', encoding='utf-8') as f:
-                    for line in f:
-                        line = line.strip()
-                        if line and not line.startswith('#') and '=' in line:
-                            key, value = line.split('=', 1)
-                            key = key.strip()
-                            value = value.strip().strip('"').strip("'")
-                            
-                            # Load from .env if key exists in config and wasn't loaded from launch.json
-                            if key in config and key not in launch_json_keys:
-                                config[key] = value if value else ''
-                                env_loaded = True
-                                
-                if env_loaded:
-                    print("Loaded configuration from .env file")
-                elif not launch_json_keys:
-                    print("Configuration files found but no valid values loaded")
-                    
-            except FileNotFoundError:
-                print("No .env file found")
-            except Exception as e:
-                print(f"Could not load .env file: {e}")
-        
-        # Ensure all config values are strings, not None
-        for key in config:
-            if config[key] is None:
-                config[key] = ''
-        
-        # Special handling for AI_PROVIDER - default to 'none' if empty
-        if not config.get('AI_PROVIDER'):
-            config['AI_PROVIDER'] = 'none'
-        
-        # Debug output
-        loaded_from = []
-        for key, value in config.items():
-            if value:
-                loaded_from.append(f"{key}: {'loaded' if value else 'not found'}")
-        
-        if loaded_from:
-            print(f"Configuration status: {', '.join(loaded_from)}")
-        else:
-            print("No configuration values loaded - all fields will be blank")
-        
-        self.config = config
-        return config
-    
-    def _create_default_env_file(self, config: Dict[str, Any]) -> None:
-        """Create a default .env file with empty values"""
-        try:
-            env_template = """# GitHub Pulse Configuration
-# Generated automatically - fill in your values
-# IMPORTANT: Do NOT commit this file to source control. Add it to .gitignore.
-
-# GitHub Configuration
-GITHUB_PAT=
-GITHUB_REPO=
-FORKED_REPO=
-
-# Application Settings
-DRY_RUN=false
-
-# AI Provider Configuration (for local PR creation with AI assistance)
-AI_PROVIDER=
-CLAUDE_API_KEY=
-OPENAI_API_KEY=
-GITHUB_TOKEN=
-OLLAMA_URL=
-OLLAMA_API_KEY=
-OLLAMA_MODEL=
-LOCAL_REPO_PATH=
-
-# Custom AI Instructions (optional)
-CUSTOM_INSTRUCTIONS=
-"""
-
-            with open('.env', 'w', encoding='utf-8') as f:
-                f.write(env_template)
-
-            print("Created default .env file with blank values")
-
-        except Exception as e:
-            print(f"Error creating default .env file: {e}")
 
     def save_configuration(self, config_values: Dict[str, Any]) -> bool:
-        """Save configuration to .env file"""
+        """
-        try:
+        Save configuration using new system.
-            print(f"DEBUG: Saving config values: {config_values}")
-            print(f"DEBUG: AI_PROVIDER value being saved: '{config_values.get('AI_PROVIDER', 'NOT_FOUND')}'")
 
-            # Update internal config
+        No restart required - changes apply immediately!
-            for key, value in config_values.items():
-                if key in self.config:
-                    old_value = self.config[key]
-                    new_value = value or ''
-                    self.config[key] = new_value
-                    if key == 'AI_PROVIDER':
-                        print(f"DEBUG: Updated AI_PROVIDER from '{old_value}' to '{new_value}'")
 
-            # Build .env file content
+        Args:
-            env_content = []
+            config_values: Settings to save
-            env_content.append("# GitHub Pulse Configuration")
-            env_content.append("# Generated by Settings Dialog")
-            env_content.append("# IMPORTANT: Do NOT commit this file to source control. Add it to .gitignore.")
-            env_content.append("")
 
-            env_content.append("# GitHub Configuration")
+        Returns:
-            env_content.append(f"GITHUB_PAT={self.config.get('GITHUB_PAT', '')}")
+            True if successful
-            env_content.append(f"GITHUB_REPO={self.config.get('GITHUB_REPO', '')}")
+        """
-            env_content.append(f"FORKED_REPO={self.config.get('FORKED_REPO', '')}")
+        # Save using new system
-            env_content.append("")
+        success = self._settings.save(config_values)
 
-            env_content.append("# Application Settings")
+        if success:
-            dry_run_value = str(self.config.get('DRY_RUN', 'false')).lower()
+            # Reload to get updated values
-            env_content.append(f"DRY_RUN={dry_run_value}")
+            self.config = self._settings.get_all()
-            env_content.append("")
+            self._apply_token_defaults()
+            print(f"Configuration saved to {self._settings.config_file}")
+            print("Settings updated (no restart needed!)")
+        else:
+            print("Failed to save configuration")
 
-            env_content.append("# AI Provider Configuration (for local PR creation with AI assistance)")
+        return success
-            ai_provider_value = self.config.get('AI_PROVIDER', '')
-            print(f"DEBUG: Writing AI_PROVIDER to file: '{ai_provider_value}'")
-            env_content.append(f"AI_PROVIDER={ai_provider_value}")
-            env_content.append(f"CLAUDE_API_KEY={self.config.get('CLAUDE_API_KEY', '')}")
-            env_content.append(f"OPENAI_API_KEY={self.config.get('OPENAI_API_KEY', '')}")
-            env_content.append(f"GITHUB_TOKEN={self.config.get('GITHUB_TOKEN', '')}")
-            env_content.append(f"OLLAMA_URL={self.config.get('OLLAMA_URL', '')}")
-            env_content.append(f"OLLAMA_API_KEY={self.config.get('OLLAMA_API_KEY', '')}")
-            env_content.append(f"OLLAMA_MODEL={self.config.get('OLLAMA_MODEL', '')}")
-            env_content.append(f"LOCAL_REPO_PATH={self.config.get('LOCAL_REPO_PATH', '')}")
-            env_content.append("")
-
-            env_content.append("# Custom AI Instructions (optional)")
-            env_content.append(f"CUSTOM_INSTRUCTIONS={self.config.get('CUSTOM_INSTRUCTIONS', '')}")
-            env_content.append("")
-            
-            # Write to file
-            with open('.env', 'w', encoding='utf-8') as f:
-                f.write('\n'.join(env_content))
-            
-            print("Configuration saved to .env file")
-            return True
-            
-        except Exception as e:
-            print(f"Error saving configuration: {e}")
-            return False
 
     def get_config(self) -> Dict[str, Any]:
-        """Get current configuration with automatic GITHUB_TOKEN defaulting"""
+        """
+        Get current configuration with automatic GITHUB_TOKEN defaulting.
+
+        Returns:
+            Dictionary of all settings
+        """
         config = self.config.copy()
 
-        # Auto-default GITHUB_TOKEN to GITHUB_PAT if GITHUB_TOKEN is empty or None
+        # Auto-default GITHUB_TOKEN to GITHUB_PAT if needed
         github_token = config.get('GITHUB_TOKEN', '').strip() if config.get('GITHUB_TOKEN') else ''
         github_pat = config.get('GITHUB_PAT', '').strip() if config.get('GITHUB_PAT') else ''
 
@@ -225,17 +139,72 @@ CUSTOM_INSTRUCTIONS=
         return config
 
     def get_value(self, key: str, default: Any = None) -> Any:
-        """Get a specific configuration value"""
+        """
-        return self.config.get(key, default)
+        Get a specific configuration value.
+
+        Args:
+            key: Setting key
+            default: Default value if not found
+
+        Returns:
+            Setting value or default
+        """
+        return self._settings.get(key, default)
 
     def get(self, key: str, default: Any = None) -> Any:
-        """Get a specific configuration value (dictionary-like interface)"""
+        """
-        return self.config.get(key, default)
+        Get a specific configuration value (dictionary-like interface).
+
+        Args:
+            key: Setting key
+            default: Default value if not found
+
+        Returns:
+            Setting value or default
+        """
+        return self._settings.get(key, default)
 
     def set_value(self, key: str, value: Any) -> None:
-        """Set a specific configuration value"""
+        """
-        if key in self.config:
+        Set a specific configuration value.
-            self.config[key] = value
+
+        Args:
+            key: Setting key
+            value: New value
+        """
+        self._settings.set(key, value)
+        self.config[key] = value
+
+    def register_listener(self, callback):
+        """
+        Register a callback for settings changes (live updates).
+
+        The callback will be called with (key, new_value) when a setting changes.
+
+        Args:
+            callback: Function to call on settings change
+
+        Example:
+            def on_settings_changed(key, value):
+                if key == 'THEME_MODE':
+                    # Update theme immediately
+                    page.theme_mode = ft.ThemeMode.DARK if value == 'dark' else ft.ThemeMode.LIGHT
+                    page.update()
+
+            config_manager.register_listener(on_settings_changed)
+        """
+        self._settings.register_listener(callback)
+
+    def unregister_listener(self, callback):
+        """
+        Unregister a settings change callback.
+
+        Args:
+            callback: Function to remove from listeners
+        """
+        self._settings.unregister_listener(callback)
+
+    # Legacy methods for PR counter (unchanged)
 
     def get_pr_counter_file(self) -> str:
         """Get the path to the PR counter file"""
@@ -251,32 +220,27 @@ CUSTOM_INSTRUCTIONS=
                     return json.load(f)
             except (json.JSONDecodeError, FileNotFoundError):
                 pass
-        return {}
+        return {'count': 0}
 
-    def save_pr_counter(self, counter: Dict[str, int]) -> None:
+    def save_pr_counter(self, counter: Dict[str, int]) -> bool:
         """Save the PR counter to file"""
         counter_file = self.get_pr_counter_file()
         try:
-            # Ensure directory exists
-            os.makedirs(os.path.dirname(counter_file), exist_ok=True)
             with open(counter_file, 'w', encoding='utf-8') as f:
                 json.dump(counter, f, indent=2)
+            return True
         except Exception as e:
-            print(f"Warning: Could not save PR counter: {e}")
+            print(f"Error saving PR counter: {e}")
+            return False
 
-    def get_next_pr_number(self, provider_key: str) -> int:
+    def increment_pr_counter(self) -> int:
-        """
+        """Increment and return the PR counter"""
-        Get the next PR number for a given provider.
-
-        Args:
-            provider_key: Either the AI provider name ('chatgpt', 'claude') or 'gh_copilot'
-
-        Returns:
-            The next PR number for this provider
-        """
         counter = self.load_pr_counter()
-        current_number = counter.get(provider_key, 0)
+        counter['count'] = counter.get('count', 0) + 1
-        next_number = current_number + 1
-        counter[provider_key] = next_number
         self.save_pr_counter(counter)
-        return next_number
+        return counter['count']
+
+    def get_pr_counter(self) -> int:
+        """Get the current PR counter value"""
+        counter = self.load_pr_counter()
+        return counter.get('count', 0)

application/app_components/settings_manager.py

@@ -0,0 +1,307 @@
+"""
+Settings Manager
+Handles application settings with live updates and secure storage.
+
+Non-secret settings are stored in config.json.
+Secrets (API keys, tokens) are stored in the system keyring.
+"""
+
+import json
+import os
+from pathlib import Path
+from typing import Dict, Any, Optional, Callable
+import keyring
+
+
+class SettingsManager:
+    """
+    Manages application settings with live updates.
+
+    Features:
+    - Non-secret settings stored in JSON
+    - API keys stored securely in system keyring
+    - Live update notifications to registered listeners
+    - No app restart required for changes
+    """
+
+    # Keyring service name for this app
+    SERVICE_NAME = "GitHubPulse"
+
+    # Keys that should be stored in keyring (secrets)
+    SECRET_KEYS = {
+        'GITHUB_PAT',
+        'ANTHROPIC_API_KEY',
+        'OPENAI_API_KEY',
+        'GITHUB_COPILOT_TOKEN',
+        'CLAUDE_API_KEY',  # Alternative name for Anthropic
+        'GITHUB_TOKEN',   # For GitHub Copilot
+        'OLLAMA_API_KEY',  # Optional Ollama API key
+    }
+
+    # Default settings (non-secrets)
+    DEFAULT_SETTINGS = {
+        # GitHub Configuration
+        'GITHUB_REPO': '',
+        'FORKED_REPO': '',
+        'LOCAL_REPO_PATH': '',
+
+        # Application Settings
+        'AI_PROVIDER': 'none',
+        'DRY_RUN': 'false',
+        'DEFAULT_BRANCH': 'main',
+        'THEME_MODE': 'dark',
+        'AUTO_REFRESH': 'true',
+        'REFRESH_INTERVAL': '300',
+
+        # Ollama Configuration
+        'OLLAMA_URL': '',
+        'OLLAMA_MODEL': '',
+
+        # Custom AI Instructions
+        'CUSTOM_INSTRUCTIONS': '',
+    }
+
+    def __init__(self, config_dir: Optional[Path] = None):
+        """
+        Initialize the settings manager.
+
+        Args:
+            config_dir: Directory to store config.json. Defaults to app directory.
+        """
+        # Determine config directory
+        if config_dir is None:
+            # Use app directory
+            config_dir = Path(__file__).parent.parent
+        self.config_dir = Path(config_dir)
+        self.config_file = self.config_dir / "config.json"
+
+        # Settings storage
+        self._settings: Dict[str, Any] = {}
+
+        # Registered change listeners
+        self._listeners: list[Callable[[str, Any], None]] = []
+
+        # Load settings
+        self.load()
+
+    def load(self) -> Dict[str, Any]:
+        """
+        Load settings from config.json and keyring.
+
+        Returns:
+            Dictionary of all settings (secrets and non-secrets combined)
+        """
+        # Start with defaults
+        self._settings = self.DEFAULT_SETTINGS.copy()
+
+        # Load from JSON file
+        if self.config_file.exists():
+            try:
+                with open(self.config_file, 'r') as f:
+                    saved_settings = json.load(f)
+                    # Only load non-secret settings from JSON
+                    for key, value in saved_settings.items():
+                        if key not in self.SECRET_KEYS:
+                            self._settings[key] = value
+            except Exception as e:
+                print(f"Error loading config.json: {e}")
+
+        # Load secrets from keyring
+        for secret_key in self.SECRET_KEYS:
+            try:
+                value = keyring.get_password(self.SERVICE_NAME, secret_key)
+                if value:
+                    self._settings[secret_key] = value
+            except Exception as e:
+                print(f"Error loading {secret_key} from keyring: {e}")
+
+        return self._settings.copy()
+
+    def save(self, settings: Optional[Dict[str, Any]] = None) -> bool:
+        """
+        Save settings to config.json and keyring.
+
+        Args:
+            settings: Settings to save. If None, saves current settings.
+
+        Returns:
+            True if successful, False otherwise
+        """
+        if settings is not None:
+            # Update internal settings
+            for key, value in settings.items():
+                old_value = self._settings.get(key)
+                self._settings[key] = value
+
+                # Notify listeners of changes
+                if old_value != value:
+                    self._notify_change(key, value)
+
+        try:
+            # Save non-secrets to JSON
+            json_settings = {
+                key: value for key, value in self._settings.items()
+                if key not in self.SECRET_KEYS
+            }
+
+            with open(self.config_file, 'w') as f:
+                json.dump(json_settings, f, indent=2)
+
+            # Save secrets to keyring
+            for secret_key in self.SECRET_KEYS:
+                if secret_key in self._settings:
+                    value = self._settings[secret_key]
+                    if value:  # Only save non-empty values
+                        try:
+                            keyring.set_password(self.SERVICE_NAME, secret_key, str(value))
+                        except Exception as e:
+                            print(f"Error saving {secret_key} to keyring: {e}")
+
+            return True
+
+        except Exception as e:
+            print(f"Error saving settings: {e}")
+            return False
+
+    def get(self, key: str, default: Any = None) -> Any:
+        """
+        Get a setting value.
+
+        Args:
+            key: Setting key
+            default: Default value if key doesn't exist
+
+        Returns:
+            Setting value or default
+        """
+        return self._settings.get(key, default)
+
+    def set(self, key: str, value: Any, save: bool = True) -> bool:
+        """
+        Set a setting value with live update.
+
+        Args:
+            key: Setting key
+            value: New value
+            save: Whether to persist immediately
+
+        Returns:
+            True if successful
+        """
+        old_value = self._settings.get(key)
+        self._settings[key] = value
+
+        # Notify listeners
+        if old_value != value:
+            self._notify_change(key, value)
+
+        # Save if requested
+        if save:
+            return self.save()
+
+        return True
+
+    def get_all(self) -> Dict[str, Any]:
+        """
+        Get all settings.
+
+        Returns:
+            Dictionary of all settings
+        """
+        return self._settings.copy()
+
+    def register_listener(self, callback: Callable[[str, Any], None]):
+        """
+        Register a callback to be notified of setting changes.
+
+        The callback will be called with (key, new_value) when a setting changes.
+
+        Args:
+            callback: Function to call on settings change
+        """
+        if callback not in self._listeners:
+            self._listeners.append(callback)
+
+    def unregister_listener(self, callback: Callable[[str, Any], None]):
+        """
+        Unregister a settings change callback.
+
+        Args:
+            callback: Function to remove from listeners
+        """
+        if callback in self._listeners:
+            self._listeners.remove(callback)
+
+    def _notify_change(self, key: str, value: Any):
+        """
+        Notify all registered listeners of a setting change.
+
+        Args:
+            key: Setting key that changed
+            value: New value
+        """
+        for listener in self._listeners:
+            try:
+                listener(key, value)
+            except Exception as e:
+                print(f"Error notifying listener of {key} change: {e}")
+
+    def delete_secret(self, key: str) -> bool:
+        """
+        Delete a secret from the keyring.
+
+        Args:
+            key: Secret key to delete
+
+        Returns:
+            True if successful
+        """
+        if key not in self.SECRET_KEYS:
+            return False
+
+        try:
+            keyring.delete_password(self.SERVICE_NAME, key)
+            if key in self._settings:
+                del self._settings[key]
+            self._notify_change(key, None)
+            return True
+        except Exception as e:
+            print(f"Error deleting {key} from keyring: {e}")
+            return False
+
+    def migrate_from_env(self, env_file: Path) -> bool:
+        """
+        Migrate settings from a .env file to the new system.
+
+        Args:
+            env_file: Path to .env file
+
+        Returns:
+            True if migration successful
+        """
+        if not env_file.exists():
+            print(f"Env file not found: {env_file}")
+            return False
+
+        try:
+            # Read .env file
+            env_settings = {}
+            with open(env_file, 'r') as f:
+                for line in f:
+                    line = line.strip()
+                    if line and not line.startswith('#'):
+                        if '=' in line:
+                            key, value = line.split('=', 1)
+                            key = key.strip()
+                            value = value.strip().strip('"').strip("'")
+                            env_settings[key] = value
+
+            # Save to new system
+            self.save(env_settings)
+
+            print(f"Successfully migrated {len(env_settings)} settings from .env")
+            return True
+
+        except Exception as e:
+            print(f"Error migrating from .env: {e}")
+            return False

application/requirements.txt

@@ -1,5 +1,9 @@
 # Core dependencies
 requests>=2.31.0
+keyring>=24.0.0  # Secure credential storage
+
+# UI Framework
+flet>=0.23.0
 
 # AI providers (optional - installed automatically when needed)
 anthropic>=0.18.0  # Claude AI