Persist proxy settings in config manager

Proxy settings (main and geo-verification) are now loaded from and saved to the ConfigManager. The dialogs and main app have been updated to initialize and persist proxy values, and user feedback is improved for proxy changes and clearing.

src/gui/ytsage_gui_dialogs/ytsage_dialogs_custom.py

@@ -30,6 +30,7 @@ from PySide6.QtWidgets import (
 
 from src.core.ytsage_yt_dlp import get_yt_dlp_path
 from src.utils.ytsage_constants import YTDLP_DOCS_URL
+from src.utils.ytsage_config_manager import ConfigManager
 
 if TYPE_CHECKING:
     from src.gui.ytsage_gui_main import YTSageApp  # only for type hints (no runtime import)
@@ -554,6 +555,7 @@ class CustomOptionsDialog(QDialog):
 
         # Initialize dialog with current settings (after all widgets and styles are set)
         self._initialize_cookie_settings()
+        self._initialize_proxy_settings()
 
     def _initialize_cookie_settings(self) -> None:
         """Initialize the dialog with current cookie settings from parent"""
@@ -583,6 +585,22 @@ class CustomOptionsDialog(QDialog):
             # No cookies configured - ensure file radio is selected by default
             self.cookie_file_radio.setChecked(True)
 
+    def _initialize_proxy_settings(self) -> None:
+        """Initialize the dialog with current proxy settings from config"""
+        # Load proxy settings from config
+        proxy_url = ConfigManager.get("proxy_url")
+        geo_proxy_url = ConfigManager.get("geo_proxy_url")
+        
+        # Set proxy field values if they exist
+        if proxy_url:
+            self.proxy_url_input.setText(proxy_url)
+        
+        if geo_proxy_url:
+            self.geo_proxy_url_input.setText(geo_proxy_url)
+            
+        # Update validation status
+        self.validate_proxy_inputs()
+
     def on_cookie_source_changed(self) -> None:
         """Handle cookie source radio button changes"""
         if self.cookie_file_radio.isChecked():
@@ -683,7 +701,20 @@ class CustomOptionsDialog(QDialog):
         geo_proxy = self.geo_proxy_url_input.text().strip()
         
         if not main_proxy and not geo_proxy:
-            self.proxy_status.setText("")
+            # Check if there are saved settings
+            saved_main = ConfigManager.get("proxy_url")
+            saved_geo = ConfigManager.get("geo_proxy_url")
+            
+            if saved_main or saved_geo:
+                status_parts = []
+                if saved_main:
+                    status_parts.append(f"Saved main proxy: {saved_main}")
+                if saved_geo:
+                    status_parts.append(f"Saved geo proxy: {saved_geo}")
+                self.proxy_status.setText(" | ".join(status_parts))
+                self.proxy_status.setStyleSheet("color: #888888; font-style: italic;")
+            else:
+                self.proxy_status.setText("")
             return
             
         issues = []