fix resizing from top

src/renderer/extensions/vueNodes/components/LGraphNode.vue

@@ -352,22 +352,57 @@ const cornerResizeHandles: CornerResizeHandle[] = [
 
 const MIN_NODE_WIDTH = 225
 
-const { startResize } = useNodeResize((result, element) => {
+// Track the actual DOM size to detect when we've hit min size constraints
+let lastActualHeight: number | null = null
+let lastActualWidth: number | null = null
+
+const { startResize, isResizing } = useNodeResize((result, element) => {
   if (isCollapsed.value) return
 
   // Clamp width to minimum to avoid conflicts with CSS min-width
   const clampedWidth = Math.max(result.size.width, MIN_NODE_WIDTH)
+  const requestedHeight = result.size.height
 
-  // Apply size directly to DOM element - ResizeObserver will pick this up
+  // Capture current actual size before applying (uses cached offsetWidth/Height, no layout thrash)
+  const prevActualWidth = element.offsetWidth
+  const prevActualHeight = element.offsetHeight
+
+  // Apply size directly to DOM element
   element.style.setProperty('--node-width', `${clampedWidth}px`)
-  element.style.setProperty('--node-height', `${result.size.height}px`)
+  element.style.setProperty('--node-height', `${requestedHeight}px`)
+
+  // Check if actual size changed from last frame (not this frame - avoid layout thrash)
+  // If actual size stopped changing while we're still trying to shrink, we've hit the floor
+  const widthHitFloor =
+    lastActualWidth !== null &&
+    Math.abs(prevActualWidth - lastActualWidth) < POSITION_EPSILON &&
+    clampedWidth < prevActualWidth
+
+  const heightHitFloor =
+    lastActualHeight !== null &&
+    Math.abs(prevActualHeight - lastActualHeight) < POSITION_EPSILON &&
+    requestedHeight < prevActualHeight
+
+  lastActualWidth = prevActualWidth
+  lastActualHeight = prevActualHeight
 
   const currentPosition = position.value
-  const deltaX = Math.abs(result.position.x - currentPosition.x)
-  const deltaY = Math.abs(result.position.y - currentPosition.y)
+  const newX = widthHitFloor ? currentPosition.x : result.position.x
+  const newY = heightHitFloor ? currentPosition.y : result.position.y
+
+  const deltaX = Math.abs(newX - currentPosition.x)
+  const deltaY = Math.abs(newY - currentPosition.y)
 
   if (deltaX > POSITION_EPSILON || deltaY > POSITION_EPSILON) {
-    moveNodeTo(result.position)
+    moveNodeTo({ x: newX, y: newY })
+  }
+})
+
+// Reset tracking when resize ends
+watch(isResizing, (resizing) => {
+  if (!resizing) {
+    lastActualWidth = null
+    lastActualHeight = null
   }
 })
 

src/renderer/extensions/vueNodes/composables/useNodePointerInteractions.ts

@@ -26,7 +26,8 @@ export function useNodePointerInteractions(
     return true
   }
 
-  const startPosition = ref({ x: 0, y: 0 })
+  // null means pointerdown hasn't happened yet on this node
+  const startPosition = ref<{ x: number; y: number } | null>(null)
 
   const DRAG_THRESHOLD = 3 // pixels
 
@@ -60,6 +61,10 @@ export function useNodePointerInteractions(
     startDrag(event, nodeId)
   }
 
+  function clearStartPosition() {
+    startPosition.value = null
+  }
+
   function onPointermove(event: PointerEvent) {
     if (forwardMiddlePointerIfNeeded(event)) return
 
@@ -72,6 +77,13 @@ export function useNodePointerInteractions(
     const multiSelect = isMultiSelectKey(event)
 
     const lmbDown = event.buttons & 1
+
+    // If we don't have a start position, pointerdown was handled elsewhere (e.g., resize handle)
+    // Don't start dragging in this case
+    if (!startPosition.value) {
+      return
+    }
+
     if (lmbDown && multiSelect && !layoutStore.isDraggingVueNodes.value) {
       layoutStore.isDraggingVueNodes.value = true
       handleNodeSelect(event, nodeId)
@@ -122,6 +134,7 @@ export function useNodePointerInteractions(
 
     if (wasDragging) {
       safeDragEnd(event)
+      clearStartPosition()
       return
     }
     const multiSelect = isMultiSelectKey(event)
@@ -130,6 +143,8 @@ export function useNodePointerInteractions(
     if (nodeId) {
       toggleNodeSelectionAfterPointerUp(nodeId, multiSelect)
     }
+
+    clearStartPosition()
   }
 
   function onPointercancel(event: PointerEvent) {

src/renderer/extensions/vueNodes/composables/useVueNodeResizeTracking.ts

@@ -18,6 +18,9 @@ import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
 import type { Bounds, NodeId } from '@/renderer/core/layout/types'
 import { LayoutSource } from '@/renderer/core/layout/types'
 
+// Set of node IDs currently being resized via handles (not ResizeObserver)
+export const nodesBeingResized = new Set<string>()
+
 import { syncNodeSlotLayoutsFromDOM } from './useSlotElementTracking'
 
 /**
@@ -110,17 +113,28 @@ const resizeObserver = new ResizeObserver((entries) => {
       height: Math.max(0, height)
     }
 
+    // If this entry is a node, mark it for slot layout resync (even during resize)
+    if (elementType === 'node' && elementId) {
+      nodesNeedingSlotResync.add(elementId)
+    }
+
+    // For nodes being actively resized via handles, only update size (not position)
+    // The position is managed by the resize callback to avoid stale DOM reads overwriting it
+    if (elementType === 'node' && nodesBeingResized.has(elementId)) {
+      const currentLayout = layoutStore.getNodeLayoutRef(elementId).value
+      if (currentLayout) {
+        // Keep current position, only update size
+        bounds.x = currentLayout.position.x
+        bounds.y = currentLayout.position.y
+      }
+    }
+
     let updates = updatesByType.get(elementType)
     if (!updates) {
       updates = []
       updatesByType.set(elementType, updates)
     }
     updates.push({ id: elementId, bounds })
-
-    // If this entry is a node, mark it for slot layout resync
-    if (elementType === 'node' && elementId) {
-      nodesNeedingSlotResync.add(elementId)
-    }
   }
 
   layoutStore.setSource(LayoutSource.DOM)
@@ -128,7 +142,9 @@ const resizeObserver = new ResizeObserver((entries) => {
   // Flush per-type
   for (const [type, updates] of updatesByType) {
     const config = trackingConfigs.get(type)
-    if (config && updates.length) config.updateHandler(updates)
+    if (config && updates.length) {
+      config.updateHandler(updates)
+    }
   }
 
   // After node bounds are updated, refresh slot cached offsets and layouts

src/renderer/extensions/vueNodes/interactions/resize/useNodeResize.ts

@@ -4,6 +4,7 @@ import { ref } from 'vue'
 import type { Point, Size } from '@/renderer/core/layout/types'
 import { useNodeSnap } from '@/renderer/extensions/vueNodes/composables/useNodeSnap'
 import { useShiftKeySync } from '@/renderer/extensions/vueNodes/composables/useShiftKeySync'
+import { nodesBeingResized } from '@/renderer/extensions/vueNodes/composables/useVueNodeResizeTracking'
 
 import type { ResizeHandleDirection } from './resizeMath'
 import { createResizeSession, toCanvasDelta } from './resizeMath'
@@ -58,6 +59,11 @@ export function useNodeResize(
     const nodeElement = target.closest('[data-node-id]')
     if (!(nodeElement instanceof HTMLElement)) return
 
+    const nodeId = nodeElement.dataset.nodeId
+    if (nodeId) {
+      nodesBeingResized.add(nodeId)
+    }
+
     const rect = nodeElement.getBoundingClientRect()
     const scale = transformState.camera.z
 
@@ -74,6 +80,7 @@ export function useNodeResize(
 
     isResizing.value = true
     resizeStartPointer.value = { x: event.clientX, y: event.clientY }
+
     resizeSession.value = createResizeSession({
       startSize,
       startPosition: { ...startPosition },
@@ -85,8 +92,9 @@ export function useNodeResize(
         !isResizing.value ||
         !resizeStartPointer.value ||
         !resizeSession.value
-      )
+      ) {
         return
+      }
 
       const startPointer = resizeStartPointer.value
       const session = resizeSession.value
@@ -117,6 +125,11 @@ export function useNodeResize(
         // Stop tracking shift key state
         stopShiftSync()
 
+        // Allow ResizeObserver to update this node again
+        if (nodeId) {
+          nodesBeingResized.delete(nodeId)
+        }
+
         target.releasePointerCapture(upEvent.pointerId)
         stopMoveListen()
         stopUpListen()