feat(app): implement EVE SSO login and waypoint setting functionality

frontend/src/components/SystemContextMenu.tsx

@@ -1,5 +1,7 @@
 import { useState, useRef } from 'react';
 import { System } from '@/lib/types';
+import { toast } from '@/hooks/use-toast';
+import { StartESILogin, ESILoginStatus, SetDestinationByName } from '@/wailsjs/go/main/App';
 
 interface SystemContextMenuProps {
   x: number;
@@ -27,6 +29,22 @@ export const SystemContextMenu = ({ x, y, system, onRename, onDelete, onClearCon
     setIsRenaming(false);
   };
 
+  const handleSetDestination = async () => {
+    try {
+      const status = await ESILoginStatus();
+      if (status.includes('not logged in')) {
+        await StartESILogin();
+        toast({ title: 'EVE Login', description: 'Please complete login in your browser, then retry.' });
+        return;
+      }
+      await SetDestinationByName(system.solarSystemName, true, false);
+      toast({ title: 'Destination set', description: `${system.solarSystemName}` });
+      onClose();
+    } catch (e: any) {
+      toast({ title: 'Failed to set destination', description: String(e), variant: 'destructive' });
+    }
+  };
+
   return (
     <div
       ref={menuRef}
@@ -82,6 +100,13 @@ export const SystemContextMenu = ({ x, y, system, onRename, onDelete, onClearCon
           >
             Delete
           </button>
+          <div className="h-px bg-slate-700 my-1" />
+          <button
+            onClick={handleSetDestination}
+            className="w-full px-3 py-1 text-left text-green-400 hover:bg-slate-700 rounded text-sm"
+          >
+            Set destination
+          </button>
         </div>
       )}
     </div>