Refactor vue slot tracking (#5463)

* add dom element resize observer registry for vue node components

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

Co-authored-by: AustinMroz <austin@comfy.org>

* refactor(vue-nodes): typed TransformState InjectionKey, safer ResizeObserver sizing, centralized slot tracking, and small readability updates

* chore: make TransformState interface non-exported to satisfy knip pre-push

* Revert "chore: make TransformState interface non-exported to satisfy knip pre-push"

This reverts commit 110ecf31da.

* Revert "refactor(vue-nodes): typed TransformState InjectionKey, safer ResizeObserver sizing, centralized slot tracking, and small readability updates"

This reverts commit 428752619c.

* [refactor] Improve resize tracking composable documentation and test utilities

- Rename parameters in useVueElementTracking for clarity (appIdentifier, trackingType)
- Add comprehensive docstring with examples to prevent DOM attribute confusion
- Extract mountLGraphNode test utility to eliminate repetitive mock setup
- Add technical implementation notes documenting optimization decisions

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* remove typo comment

* convert to functional bounds collection

* remove inline import

* add interfaces for bounds mutations

* remove change log

* fix bounds collection when vue nodes turned off

* fix title offset on y

* move from resize observer to selection toolbox bounds

* refactor(vue-nodes): typed TransformState InjectionKey, safer ResizeObserver sizing, centralized slot tracking, and small readability updates

* Fix conversion

* Readd padding

* revert churn reducings from layoutStore.ts

* Rely on RO for resize, and batch

* Improve churn

* Cache canvas offset

* rename from measure

* remove unused

* address review comments

* Update legacy injection

* nit

* Split into store

* nit

* perf improvement

---------

Co-authored-by: bymyself <cbyrne@comfy.org>
Co-authored-by: AustinMroz <austin@comfy.org>
Co-authored-by: Claude <noreply@anthropic.com>

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

@@ -147,6 +147,7 @@ import type { VueNodeData } from '@/composables/graph/useGraphNodeManager'
 import { useErrorHandling } from '@/composables/useErrorHandling'
 import { LiteGraph } from '@/lib/litegraph/src/litegraph'
 import { SelectedNodeIdsKey } from '@/renderer/core/canvas/injectionKeys'
+import { TransformStateKey } from '@/renderer/core/layout/injectionKeys'
 import { useNodeExecutionState } from '@/renderer/extensions/vueNodes/execution/useNodeExecutionState'
 import { useNodeLayout } from '@/renderer/extensions/vueNodes/layout/useNodeLayout'
 import { LODLevel, useLOD } from '@/renderer/extensions/vueNodes/lod/useLOD'
@@ -212,19 +213,7 @@ if (!selectedNodeIds) {
 }
 
 // Inject transform state for coordinate conversion
-const transformState = inject('transformState') as
-  | {
-      camera: { z: number }
-      canvasToScreen: (point: { x: number; y: number }) => {
-        x: number
-        y: number
-      }
-      screenToCanvas: (point: { x: number; y: number }) => {
-        x: number
-        y: number
-      }
-    }
-  | undefined
+const transformState = inject(TransformStateKey)
 
 // Computed selection state - only this node re-evaluates when its selection changes
 const isSelected = computed(() => {
@@ -281,7 +270,7 @@ const {
 } = useNodeLayout(nodeData.id)
 
 onMounted(() => {
-  if (size && transformState) {
+  if (size && transformState?.camera) {
     const scale = transformState.camera.z
     const screenSize = {
       width: size.width * scale,