fix: Refactor: Normalize graph-canvas targetElementId at keybinding registration time (#9497)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/platform/keybindings/defaults.ts

@@ -96,7 +96,7 @@ export const CORE_KEYBINDINGS: Keybinding[] = [
       alt: true
     },
     commandId: 'Comfy.Canvas.ZoomIn',
-    targetElementId: 'graph-canvas'
+    targetElementId: 'graph-canvas-container'
   },
   {
     combo: {
@@ -105,7 +105,7 @@ export const CORE_KEYBINDINGS: Keybinding[] = [
       shift: true
     },
     commandId: 'Comfy.Canvas.ZoomIn',
-    targetElementId: 'graph-canvas'
+    targetElementId: 'graph-canvas-container'
   },
   {
     combo: {
@@ -113,7 +113,7 @@ export const CORE_KEYBINDINGS: Keybinding[] = [
       alt: true
     },
     commandId: 'Comfy.Canvas.ZoomIn',
-    targetElementId: 'graph-canvas'
+    targetElementId: 'graph-canvas-container'
   },
   {
     combo: {
@@ -121,7 +121,7 @@ export const CORE_KEYBINDINGS: Keybinding[] = [
       alt: true
     },
     commandId: 'Comfy.Canvas.ZoomOut',
-    targetElementId: 'graph-canvas'
+    targetElementId: 'graph-canvas-container'
   },
   {
     combo: {

src/platform/keybindings/keybinding.ts

@@ -11,7 +11,10 @@ export class KeybindingImpl implements Keybinding {
   constructor(obj: Keybinding) {
     this.commandId = obj.commandId
     this.combo = new KeyComboImpl(obj.combo)
-    this.targetElementId = obj.targetElementId
+    this.targetElementId =
+      obj.targetElementId === 'graph-canvas'
+        ? 'graph-canvas-container'
+        : obj.targetElementId
   }
 
   equals(other: unknown): boolean {

src/platform/keybindings/keybindingService.ts

@@ -34,12 +34,8 @@ export function useKeybindingService() {
 
     const keybinding = keybindingStore.getKeybinding(keyCombo)
     if (keybinding) {
-      const targetElementId =
+      if (keybinding.targetElementId) {
-        keybinding.targetElementId === 'graph-canvas'
+        const container = document.getElementById(keybinding.targetElementId)
-          ? 'graph-canvas-container'
-          : keybinding.targetElementId
-      if (targetElementId) {
-        const container = document.getElementById(targetElementId)
         if (!container?.contains(target)) {
           return
         }