frontend/canvas-helpers.js

@@ -1237,6 +1237,22 @@ ${linksYaml}`;
     return null;
   };
 
+  const getRotatableNodeHandleDirection = (node, handleId) => {
+    if (!node || !handleId) return null;
+    if (node.type !== 'rotatableNode' && !(!node.data?.elementType && node.data?.componentName)) return null;
+    const ports = node.data && node.data.ports;
+    if (!ports || !ports[handleId]) return null;
+    const boxSize = normalizeBoxSize({ box_size: node.data && node.data.boxSize }, DEFAULT_COMPONENT_BOX_SIZE);
+    const handles = buildPortHandles(ports, {
+      rotation: Number((node.data && node.data.rotation) || 0),
+      flip: Boolean(node.data && node.data.flip),
+      flop: Boolean(node.data && node.data.flop),
+      boxSize
+    });
+    const found = handles.find(handle => handle.name === handleId);
+    return found ? found.position : null;
+  };
+
   // Backward-compatible alias for same-type route crossing validation.
   const findSameFamilyRouteCrossing = findSameTypeRouteCrossing;
 
@@ -1276,6 +1292,7 @@ ${linksYaml}`;
     createComponentSymbolMetrics,
     transformPortInfo,
     getNodePortCanvasPoint,
+    getRotatableNodeHandleDirection,
     buildPortHandles,
     buildElementPorts,
     buildElementPinEntries,

frontend/canvas.html

@@ -1566,6 +1566,7 @@ Organization : OptiHK Limited
       calculateLayoutBounds,
       calculateCompositeBoxSize,
       buildPortHandles,
+      getRotatableNodeHandleDirection,
       buildElementPorts,
       getElementPinName,
       buildElementBoxSize,
@@ -1698,8 +1699,10 @@ Organization : OptiHK Limited
       useEffect(() => {
         const transformKey = `${data.rotation || 0}:${data.flip ? 1 : 0}:${data.flop ? 1 : 0}`;
         if (prevTransformRef.current !== transformKey) {
-          updateNodeInternalsRef.current(id);
           prevTransformRef.current = transformKey;
+          requestAnimationFrame(() => {
+            updateNodeInternalsRef.current(id);
+          });
         }
       }, [data.rotation, data.flip, data.flop, id]);
 
@@ -1719,6 +1722,16 @@ Organization : OptiHK Limited
         top: Position.Top,
         bottom: Position.Bottom
       };
+      const rotateHandleDirection = (dir, rot) => {
+        const norm = ((rot % 360) + 360) % 360;
+        const map = {
+          0: { right: 'right', left: 'left', top: 'top', bottom: 'bottom' },
+          90: { right: 'bottom', left: 'top', top: 'left', bottom: 'right' },
+          180: { right: 'left', left: 'right', top: 'bottom', bottom: 'top' },
+          270: { right: 'top', left: 'bottom', top: 'right', bottom: 'left' }
+        };
+        return (map[norm] || map[0])[dir] || dir;
+      };
       const componentSize = normalizeBoxSize({ box_size: data.boxSize }, DEFAULT_COMPONENT_BOX_SIZE);
       const flippedPorts = useMemo(
         () => {
@@ -1844,24 +1857,28 @@ Organization : OptiHK Limited
             transformOrigin: 'center center',
             pointerEvents: 'none'
           }}>
-            {portHandles.map((portHandle) => (
+            {portHandles.map((portHandle) => {
+              const originalDir = portDirectionMap.get(portHandle.name) || portHandle.position;
+              const effectiveDir = rotateHandleDirection(originalDir, data.rotation || 0);
+              return (
               <React.Fragment key={portHandle.name}>
                 <Handle
                   type="source"
-                  position={handlePositionMap[portDirectionMap.get(portHandle.name) || portHandle.position]}
+                  position={handlePositionMap[effectiveDir]}
                   id={portHandle.name}
                   title={portHandle.name}
                   style={{ ...baseHandleStyle, ...portHandle.style, zIndex: 10, pointerEvents: 'all' }}
                 />
                 <Handle
                   type="target"
-                  position={handlePositionMap[portDirectionMap.get(portHandle.name) || portHandle.position]}
+                  position={handlePositionMap[effectiveDir]}
                   id={portHandle.name}
                   title={portHandle.name}
                   style={{ ...baseHandleStyle, ...portHandle.style, zIndex: 5, pointerEvents: 'all' }}
                 />
               </React.Fragment>
-            ))}
+              );
+            })}
             {portHandles.map((portHandle) => (
               <span key={`label-${portHandle.name}`} className="port-name-label" style={portLabelStyle(portHandle)} title={portHandle.name}>
                 {portHandle.name}
@@ -4007,8 +4024,10 @@ Organization : OptiHK Limited
           const targetEndpoint = `${edge.target}:${edge.targetHandle || ''}`;
           const key = [sourceEndpoint, targetEndpoint].sort().join('<>');
           const group = groups.get(key) || [];
-          const sourceDirection = getAnchorHandleRouteDirection(nodeMap[edge.source], edge.sourceHandle);
-          const targetDirection = getAnchorHandleRouteDirection(nodeMap[edge.target], edge.targetHandle);
+          const sourceDirection = getAnchorHandleRouteDirection(nodeMap[edge.source], edge.sourceHandle)
+            || getRotatableNodeHandleDirection(nodeMap[edge.source], edge.sourceHandle);
+          const targetDirection = getAnchorHandleRouteDirection(nodeMap[edge.target], edge.targetHandle)
+            || getRotatableNodeHandleDirection(nodeMap[edge.target], edge.targetHandle);
           const usesAnchorDirection = Boolean(sourceDirection || targetDirection);
           const hasRoutePoints = edge.data && Array.isArray(edge.data.points) && edge.data.points.length >= 2;
           const directionalEdge = usesAnchorDirection
@@ -4031,7 +4050,7 @@ Organization : OptiHK Limited
           };
         });
         return [...separatedEdges, ...rulerEdges];
-      }, [currentEdges, currentNodes, getAnchorHandleRouteDirection, rulerEdges]);
+      }, [currentEdges, currentNodes, getAnchorHandleRouteDirection, getRotatableNodeHandleDirection, rulerEdges]);
 
       const [projectCompositeMap, setProjectCompositeMap] = useState({});
       const [standaloneComposites, setStandaloneComposites] = useState([]);
@@ -6018,6 +6037,7 @@ Organization : OptiHK Limited
         const route = currentLinkRoute;
         const view = routeStyleForSettings(route, false);
         const edgeId = `edge-${connection.source}-${connection.sourceHandle}-${connection.target}-${connection.targetHandle}-${Date.now()}`;
+        const nodeMap = Object.fromEntries(activePage.nodes.map(node => [node.id, node]));
         const candidate = {
           id: edgeId,
           source: connection.source,
@@ -6027,9 +6047,8 @@ Organization : OptiHK Limited
           type: view.type,
           selectable: true,
           style: view.style,
-          data: { route }
+          data: { route },
         };
-        const nodeMap = Object.fromEntries(activePage.nodes.map(node => [node.id, node]));
         const conflict = findSameTypeRouteCrossing(candidate, activePage.edges, nodeMap, technologyManifest);
         if (conflict) {
           const source = nodeMap[conflict.conflictEdge.source]?.data?.componentDisplayName || conflict.conflictEdge.source;
@@ -6043,7 +6062,7 @@ Organization : OptiHK Limited
             : p
         )));
         addLog(`Connected ${connection.sourceHandle} to ${connection.targetHandle}.`);
-      }, [activePageId, activePage, rulerMode, currentLinkRoute, technologyManifest, addLog]);
+      }, [activePageId, activePage, rulerMode, currentLinkRoute, technologyManifest, addLog, getAnchorHandleRouteDirection]);
 
       // Select custom route edges from their SVG hit target.
       const handleRouteEdgeMouseDown = useCallback((event) => {