diff --git a/src/lib/litegraph/src/LGraphCanvas.ts b/src/lib/litegraph/src/LGraphCanvas.ts
index 5c5546117..044fad131 100644
--- a/src/lib/litegraph/src/LGraphCanvas.ts
+++ b/src/lib/litegraph/src/LGraphCanvas.ts
@@ -7073,22 +7073,20 @@ export class LGraphCanvas implements CustomEventDispatcher<LGraphCanvasEventMap>
     const defaultY = rect.top + rect.height * 0.5
     const safeEvent =
       event ??
-      Object.assign(
-        new MouseEvent('click', {
-          clientX: rect.left + rect.width * 0.5,
-          clientY: defaultY
-        }),
-        { layerY: defaultY } // layerY is a nonstandard property used below
-      )
+      new MouseEvent('click', {
+        clientX: rect.left + rect.width * 0.5,
+        clientY: defaultY
+      })
 
     const left = safeEvent.clientX - 80
     const top = safeEvent.clientY - 20
     dialog.style.left = `${left}px`
     dialog.style.top = `${top}px`
 
-    // To avoid out of screen problems
-    if (safeEvent.layerY > rect.height - 200) {
-      helper.style.maxHeight = `${rect.height - safeEvent.layerY - 20}px`
+    // To avoid out of screen problems - derive layerY from clientY
+    const safeLayerY = event?.layerY ?? safeEvent.clientY - rect.top
+    if (safeLayerY > rect.height - 200) {
+      helper.style.maxHeight = `${rect.height - safeLayerY - 20}px`
     }
     requestAnimationFrame(function () {
       input.focus()
diff --git a/src/lib/litegraph/src/node/NodeSlot.test.ts b/src/lib/litegraph/src/node/NodeSlot.test.ts
index 924769beb..4d7d4b8ea 100644
--- a/src/lib/litegraph/src/node/NodeSlot.test.ts
+++ b/src/lib/litegraph/src/node/NodeSlot.test.ts
@@ -13,7 +13,7 @@ import type { ReadOnlyRect } from '@/lib/litegraph/src/interfaces'
 const boundingRect: ReadOnlyRect = [0, 0, 10, 10]
 
 describe('NodeSlot', () => {
-  describe('inputAsSerialisable', () => {
+  describe('outputAsSerialisable', () => {
     it('removes _data from serialized slot', () => {
       const slot: INodeOutputSlot & { _data: string } = {
         _data: 'test data',
diff --git a/src/platform/settings/types.ts b/src/platform/settings/types.ts
index 99c394b41..e25986d42 100644
--- a/src/platform/settings/types.ts
+++ b/src/platform/settings/types.ts
@@ -49,15 +49,15 @@ export interface SettingParams<TValue = any> extends FormItem {
   hideInVueNodes?: boolean
 }
 
-/**
- * The base form item for rendering in a form.
- */
 /**
  * Legacy options function type for dynamic options.
  * @deprecated Use static options array instead.
  */
 type LegacyOptionsFunction = (value: unknown) => Array<string | SettingOption>
 
+/**
+ * The base form item for rendering in a form.
+ */
 export interface FormItem {
   name: string
   type: SettingInputType | SettingCustomRenderer
diff --git a/src/scripts/domWidget.ts b/src/scripts/domWidget.ts
index aa0b8dd14..0e83ee777 100644
--- a/src/scripts/domWidget.ts
+++ b/src/scripts/domWidget.ts
@@ -211,6 +211,7 @@ abstract class BaseDOMWidgetImpl<V extends object | string>
   }
 
   override createCopyForNode(node: LGraphNode): this {
+    // Safe: subclasses override getCloneArgs to return constructor-compatible args
     const Ctor = this.constructor as new (args: Record<string, unknown>) => this
     const cloned = new Ctor(this.getCloneArgs(node))
     cloned.value = this.value
diff --git a/src/scripts/ui/draggableList.ts b/src/scripts/ui/draggableList.ts
index e0853486c..3a523fdd2 100644
--- a/src/scripts/ui/draggableList.ts
+++ b/src/scripts/ui/draggableList.ts
@@ -166,8 +166,10 @@ export class DraggableList extends EventTarget {
   }
 
   initItemsState() {
+    const draggable = this.draggableItem
+    if (!draggable) return
     this.getIdleItems().forEach((item, i) => {
-      if (this.getAllItems().indexOf(this.draggableItem!) > i) {
+      if (this.getAllItems().indexOf(draggable) > i) {
         item.dataset.isAbove = ''
       }
     })
diff --git a/src/scripts/ui/imagePreview.ts b/src/scripts/ui/imagePreview.ts
index e209a5470..d70c4646d 100644
--- a/src/scripts/ui/imagePreview.ts
+++ b/src/scripts/ui/imagePreview.ts
@@ -73,7 +73,7 @@ export function createImageHost(node: LGraphNode) {
       }
       el.style.setProperty('--comfy-widget-min-height', elH.toString())
     } else {
-      el.style.setProperty('--comfy-widget-min-height', null)
+      el.style.removeProperty('--comfy-widget-min-height')
     }
 
     const nw = node.size[0]
diff --git a/src/types/workflowSchemaTypes.ts b/src/types/workflowSchemaTypes.ts
index 9f28307d5..20cbe650e 100644
--- a/src/types/workflowSchemaTypes.ts
+++ b/src/types/workflowSchemaTypes.ts
@@ -9,6 +9,5 @@ import type { ComfyWorkflowJSON } from '@/platform/workflow/validation/schemas/w
  * ISerialisedGraph is the LiteGraph serialization format.
  *
  * TODO: Align these schemas to eliminate the need for this cast.
- * @see https://github.com/Comfy-Org/ComfyUI_frontend/issues/XXXX
  */
 export type WorkflowAsGraph = ComfyWorkflowJSON & ISerialisedGraph