diff --git a/src/renderer/extensions/vueNodes/composables/useSlotLinkInteraction.ts b/src/renderer/extensions/vueNodes/composables/useSlotLinkInteraction.ts
index 4eabdf609..37817ed5f 100644
--- a/src/renderer/extensions/vueNodes/composables/useSlotLinkInteraction.ts
+++ b/src/renderer/extensions/vueNodes/composables/useSlotLinkInteraction.ts
@@ -295,10 +295,74 @@ export function useSlotLinkInteraction({
     updatePointerPosition(clientX, clientY, canvasX, canvasY)
   }
 
+  let lastHoverSlotKey: string | null = null
+  let lastHoverNodeId: string | null = null
+
+  function getSlotKeyFromTarget(target: EventTarget | null): string | null {
+    if (!(target instanceof HTMLElement)) return null
+    const elWithKey = target.closest<HTMLElement>('[data-slot-key]')
+    return elWithKey?.dataset.slotKey ?? null
+  }
+
+  function getNodeIdFromTarget(target: EventTarget | null): string | null {
+    if (!(target instanceof HTMLElement)) return null
+    const elWithNode = target.closest<HTMLElement>('[data-node-id]')
+    return elWithNode?.dataset.nodeId ?? null
+  }
+
+  function debugLogHoverTarget(event: PointerEvent) {
+    // Only log while a pointer-drag session is active
+    if (!pointerSession.isActive()) return
+    const adapter = ensureActiveAdapter()
+    if (!adapter) return
+
+    const slotKey = getSlotKeyFromTarget(event.target)
+    const nodeId = getNodeIdFromTarget(event.target)
+
+    if (slotKey && slotKey !== lastHoverSlotKey) {
+      lastHoverSlotKey = slotKey
+      const candidate = candidateFromTarget(event.target)
+      console.log('[link-hover] slot', {
+        slotKey,
+        compatible: candidate?.compatible ?? false,
+        layout: candidate?.layout
+          ? {
+              nodeId: candidate.layout.nodeId,
+              index: candidate.layout.index,
+              type: candidate.layout.type
+            }
+          : null,
+        connectingTo: adapter.linkConnector.state.connectingTo,
+        fromType: adapter.renderLinks[0]?.fromSlot?.type
+      })
+      return
+    }
+    if (!slotKey) lastHoverSlotKey = null
+
+    if (nodeId && nodeId !== lastHoverNodeId) {
+      lastHoverNodeId = nodeId
+      const numericId = Number(nodeId)
+      const compatible = Number.isFinite(numericId)
+        ? adapter.isNodeValidDrop(numericId)
+        : false
+      console.log('[link-hover] node', {
+        nodeId,
+        compatible,
+        connectingTo: adapter.linkConnector.state.connectingTo,
+        fromType: adapter.renderLinks[0]?.fromSlot?.type
+      })
+      return
+    }
+    if (!nodeId) lastHoverNodeId = null
+  }
+
   const handlePointerMove = (event: PointerEvent) => {
     if (!pointerSession.matches(event)) return
     updatePointerState(event)
     app.canvas?.setDirty(true)
+
+    // Debug: Log hovered slot/node IDs using event.target.dataset for review
+    debugLogHoverTarget(event)
   }
 
   // Attempt to finalize by connecting to a DOM slot candidate