fix(v2): version display — top-left inside sidebar above header

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/components/map/MapLayout.tsx

@@ -53,6 +53,7 @@ export const MapLayout: React.FC<Props> = ({ data, onViewToggle }) => {
           showPortals={showPortals}
           onToggleHeatmap={setShowHeatmap}
           onTogglePortals={setShowPortals}
+          version={version}
         />
         <MapView
           players={players}
@@ -65,7 +66,6 @@ export const MapLayout: React.FC<Props> = ({ data, onViewToggle }) => {
         <WindowRenderer characters={data.characters} chatMessages={data.chatMessages}
           nearbyObjects={data.nearbyObjects} socket={data.socketRef.current} />
         <RareNotification recentRares={data.recentRares} />
-        {version && <div className="ml-version">v{version}</div>}
       </div>
     </WindowManagerProvider>
   );