fix: restore ko/custom-nodes/js/subgraphs.mdx (Korean comments → English)

Author: lin-bot23

ko/custom-nodes/js/subgraphs.mdx

@@ -82,10 +82,10 @@ app.registerExtension({
 | 특정 부그래프에 접근하기 | `someNode.subgraph` |
 
 ```javascript
-// All nodes (including nested subgraphs)
+// 모든 노드 (중첩된 부그래프 포함)
 walkGraph(app.graph, (node) => { /* ... */ })
 
-// Only nodes the user currently sees
+// 사용자가 현재 보고 있는 노드만
 for (const node of app.canvas?.graph?.nodes ?? []) { /* ... */ }
 ```
 
@@ -125,7 +125,7 @@ app.registerExtension({
   async setup() {
     app.canvas.canvas.addEventListener("subgraph-opened", (e) => {
       const { subgraph, fromNode } = e.detail
-      console.log(`Opened subgraph from node ${fromNode.id}`)
+      console.log(`노드 ${fromNode.id}에서 부그래프 열림`)
     })
   }
 })
@@ -160,11 +160,11 @@ app.registerExtension({
       const { signal } = controller
 
       node.subgraph.events.addEventListener("widget-promoted", (e) => {
-        console.log(`Widget "${e.detail.widget.name}" promoted`)
+        console.log(`위젯 "${e.detail.widget.name}" 승격됨`)
       }, { signal })
 
       node.subgraph.events.addEventListener("widget-demoted", (e) => {
-        console.log(`Widget "${e.detail.widget.name}" demoted`)
+        console.log(`위젯 "${e.detail.widget.name}" 제거됨`)
       }, { signal })
 
       const origRemoved = node.onRemoved
@@ -193,11 +193,11 @@ app.registerExtension({
     const { signal } = controller
 
     node.subgraph.events.addEventListener("input-added", (e) => {
-      console.log(`Input added: ${e.detail.input.name}`)
+      console.log(`입력 추가: ${e.detail.input.name}`)
     }, { signal })
 
     node.subgraph.events.addEventListener("removing-input", (e) => {
-      console.log(`Input removing: ${e.detail.input.name}`)
+      console.log(`입력 제거: ${e.detail.input.name}`)
     }, { signal })
 
     const origRemoved = node.onRemoved