Implement signature ingestion and cleanup

- Add functionality to paste and parse signatures from text input.
- Implement a "clean" toggle to delete signatures not present in the pasted input.
- Update routing to use /regions/<region>/<system> format.

src/components/RegionMap.tsx

@@ -57,11 +57,7 @@ const fetchRegionData = async (regionName: string): Promise<SolarSystem[]> => {
   return systems;
 };
 
-export const RegionMap: React.FC<RegionMapProps> = ({ 
-  regionName, 
-  focusSystem, 
-  isCompact = false 
-}) => {
+const RegionMap = ({ regionName, focusSystem, isCompact = false }: RegionMapProps) => {
   const navigate = useNavigate();
   const [viewBox, setViewBox] = useState({ x: 0, y: 0, width: 1200, height: 800 });
   const [isPanning, setIsPanning] = useState(false);
@@ -135,8 +131,9 @@ export const RegionMap: React.FC<RegionMapProps> = ({
   }, [systems, focusSystem, isCompact]);
 
   const handleSystemClick = (systemName: string) => {
-    // Pass the region name when navigating to a system
-    navigate(`/systems/${systemName}?region=${regionName}`);
+    if (focusSystem === systemName) return;
+    
+    navigate(`/regions/${regionName}/${systemName}`);
   };
 
   const handleMouseDown = useCallback((e: React.MouseEvent) => {
@@ -378,3 +375,5 @@ export const RegionMap: React.FC<RegionMapProps> = ({
     </div>
   );
 };
+
+export default RegionMap;