feat(frontend): implement via mode for setting destinations and add MapNode disableNavigate prop

frontend/src/components/MapNode.tsx

@@ -15,6 +15,7 @@ interface MapNodeProps {
   security?: number;
   signatures?: number;
   isDraggable?: boolean;
+  disableNavigate?: boolean;
 }
 
 export const MapNode: React.FC<MapNodeProps> = ({
@@ -30,7 +31,8 @@ export const MapNode: React.FC<MapNodeProps> = ({
   type,
   security,
   signatures,
-  isDraggable = false
+  isDraggable = false,
+  disableNavigate = false,
 }) => {
   const [isHovered, setIsHovered] = useState(false);
   const [isDragging, setIsDragging] = useState(false);
@@ -142,7 +144,7 @@ export const MapNode: React.FC<MapNodeProps> = ({
         onMouseDown={handleMouseDown}
         onClick={(e) => {
           e.stopPropagation();
-          onClick();
+          if (!disableNavigate) onClick();
         }}
         onDoubleClick={(e) => {
           e.stopPropagation();

frontend/src/components/RegionMap.tsx

@@ -9,6 +9,7 @@ import { System, Position, Connection as ConnectionType } from '@/lib/types';
 import { getSecurityColor } from '@/utils/securityColors';
 import { Header } from './Header';
 import { ListCharacters, StartESILogin, SetDestinationForAll, AddWaypointForAllByName } from 'wailsjs/go/main/App';
+import { toast } from '@/hooks/use-toast';
 
 interface RegionMapProps {
   regionName: string;
@@ -104,7 +105,32 @@ export const RegionMap = ({ regionName, focusSystem, isCompact = false, isWormho
     }
   }, [isWormholeRegion]);
 
-  const handleSystemClick = (systemName: string) => {
+  const ensureAnyLoggedIn = async () => {
+    try {
+      const list = await ListCharacters();
+      if (Array.isArray(list) && list.length > 0) return true;
+      await StartESILogin();
+      toast({ title: 'EVE Login', description: 'Complete login in your browser, then retry.' });
+      return false;
+    } catch (e: any) {
+      await StartESILogin();
+      toast({ title: 'EVE Login', description: 'Complete login in your browser, then retry.', variant: 'destructive' });
+      return false;
+    }
+  };
+
+  const handleSystemClick = async (systemName: string) => {
+    if (viaMode) {
+      try {
+        if (!(await ensureAnyLoggedIn())) return;
+        await AddWaypointForAllByName(systemName, false);
+        toast({ title: 'Waypoint added', description: systemName });
+      } catch (e: any) {
+        console.error('Append waypoint failed:', e);
+        toast({ title: 'Failed to add waypoint', description: String(e), variant: 'destructive' });
+      }
+      return;
+    }
     if (focusSystem === systemName) return;
     navigate(`/regions/${regionName}/${systemName}`);
   };
@@ -374,31 +400,20 @@ export const RegionMap = ({ regionName, focusSystem, isCompact = false, isWormho
     }
   };
 
-  const ensureAnyLoggedIn = async () => {
-    try {
-      const list = await ListCharacters();
-      if (Array.isArray(list) && list.length > 0) return true;
-      await StartESILogin();
-      return false;
-    } catch {
-      await StartESILogin();
-      return false;
-    }
-  };
-
   const onSetDestination = async (systemName: string, wantVia: boolean) => {
     try {
       if (!(await ensureAnyLoggedIn())) return;
       if (!viaMode) {
-        // First selection: set destination and optionally enter via mode
         await SetDestinationForAll(systemName, true, false);
+        toast({ title: 'Destination set', description: systemName });
         if (wantVia) setViaMode(true);
       } else {
-        // Append waypoint
         await AddWaypointForAllByName(systemName, false);
+        toast({ title: 'Waypoint added', description: systemName });
       }
-    } catch (e) {
+    } catch (e: any) {
       console.error('Set destination failed:', e);
+      toast({ title: 'Failed to set destination', description: String(e), variant: 'destructive' });
     }
   };
 
@@ -442,7 +457,7 @@ export const RegionMap = ({ regionName, focusSystem, isCompact = false, isWormho
         width="100%"
         height="100%"
         viewBox={`${viewBox.x} ${viewBox.y} ${viewBox.width} ${viewBox.height}`}
-        className={`cursor-grab active:cursor-grabbing ${viaMode ? 'ring-2 ring-emerald-500' : ''}`}
+        className="cursor-grab active:cursor-grabbing"
         onMouseDown={handleMouseDown}
         onMouseMove={(e) => {
           if (isPanning) {
@@ -508,6 +523,7 @@ export const RegionMap = ({ regionName, focusSystem, isCompact = false, isWormho
             security={system.security}
             signatures={system.signatures}
             isDraggable={isWormholeRegion}
+            disableNavigate={viaMode}
           />
         ))}
 
@@ -536,6 +552,12 @@ export const RegionMap = ({ regionName, focusSystem, isCompact = false, isWormho
         )}
       </svg>
 
+      {viaMode && (
+        <div className="absolute top-2 right-2 px-2 py-1 rounded bg-emerald-600 text-white text-xs shadow">
+          VIA mode (Esc to exit)
+        </div>
+      )}
+
       {/* Context Menu */}
       {contextMenu && (
         <SystemContextMenu

frontend/src/components/SystemContextMenu.tsx

@@ -8,7 +8,7 @@ interface SystemContextMenuProps {
   onRename: (newName: string) => void;
   onDelete: (system: System) => void;
   onClearConnections: (system: System) => void;
-  onSetDestination: (systemName: string, viaMode: boolean) => void;
+  onSetDestination?: (systemName: string, viaMode: boolean) => void;
   onClose: () => void;
 }
 
@@ -28,6 +28,16 @@ export const SystemContextMenu = ({ x, y, system, onRename, onDelete, onClearCon
     setIsRenaming(false);
   };
 
+  const handleSetDestinationClick = (e: React.MouseEvent) => {
+    const via = !!e.shiftKey;
+    if (typeof onSetDestination === 'function') {
+      onSetDestination(system.solarSystemName, via);
+    } else {
+      console.error('onSetDestination not provided');
+    }
+    onClose();
+  };
+
   return (
     <div
       ref={menuRef}
@@ -85,7 +95,7 @@ export const SystemContextMenu = ({ x, y, system, onRename, onDelete, onClearCon
           </button>
           <div className="h-px bg-slate-700 my-1" />
           <button
-            onClick={(e) => { onSetDestination(system.solarSystemName, e.shiftKey); onClose(); }}
+            onClick={handleSetDestinationClick}
             className="w-full px-3 py-1 text-left text-emerald-400 hover:bg-slate-700 rounded text-sm"
             title="Shift-click to enter via mode and append waypoints"
           >