feat: debug模式下，屏幕信息左上角能够显示当前快捷键待匹配按键序列信息，以便于排查某些快捷键看上去没有匹配上的问题

Author: Littlefean

app/src/core/render/canvas2d/renderer.tsx

@@ -1,6 +1,7 @@
 import { Project, service } from "@/core/Project";
 import { Settings } from "@/core/service/Settings";
 import { MouseLocation } from "@/core/service/controlService/MouseLocation";
+import { KeyBindsUI } from "@/core/service/controlService/shortcutKeysEngine/KeyBindsUI";
 import { StageObject } from "@/core/stage/stageObject/abstract/StageObject";
 import { CubicCatmullRomSplineEdge } from "@/core/stage/stageObject/association/CubicCatmullRomSplineEdge";
 import { LineEdge } from "@/core/stage/stageObject/association/LineEdge";
@@ -665,6 +666,7 @@ export class Renderer {
       return;
     }
 
+    const keySequence = KeyBindsUI.getCurrentKeySequence();
     const detailsData = [
       "调试信息已开启，可在设置中关闭，或快捷键关闭",
       `scale: ${this.project.camera.currentScale}`,
@@ -679,6 +681,7 @@ export class Renderer {
       `edge count: ${this.project.stageManager.getLineEdges().length}`,
       `section count: ${this.project.stageManager.getSections().length}`,
       `pressingKeys: ${this.project.controller.pressingKeysString()}`,
+      `keySequence: ${keySequence || "(无)"}`,
       `鼠标按下情况: ${this.project.controller.isMouseDown}`,
       `框选框: ${JSON.stringify(this.project.rectangleSelect.getRectangle())}`,
       `正在切割: ${this.project.controller.cutting.isUsing}`,

app/src/core/service/controlService/shortcutKeysEngine/KeyBindHintEngine.tsx

@@ -6,6 +6,7 @@ import { Vector } from "@graphif/data-structures";
 import { getTextSize } from "@/utils/font";
 import { KeyBindsUI, type UIKeyBind } from "./KeyBindsUI";
 import { formatKeyBindSequenceToString } from "@/utils/keyDisplay";
+import i18next from "i18next";
 
 /**
  * 快捷键提示引擎
@@ -173,45 +174,12 @@ export class KeyBindHintEngine {
 
   /**
    * 获取快捷键标题
+   * 从 i18n 翻译文件中读取
    */
   private getKeyBindTitle(id: string): string {
-    const titleMap: Record<string, string> = {
-      saveFile: "保存文件",
-      openFile: "打开文件",
-      newDraft: "新建草稿",
-      undo: "撤销",
-      redo: "重做",
-      copy: "复制",
-      paste: "粘贴",
-      selectAll: "全选",
-      deleteSelectedStageObjects: "删除",
-      resetView: "重置视野",
-      toggleFullscreen: "全屏切换",
-      closeAllSubWindows: "关闭子窗口",
-      searchText: "搜索",
-      editEntityDetails: "编辑详情",
-      createTextNodeFromCameraLocation: "创建节点",
-      selectUp: "向上选择",
-      selectDown: "向下选择",
-      selectLeft: "向左选择",
-      selectRight: "向右选择",
-      moveUpSelectedEntities: "向上移动",
-      moveDownSelectedEntities: "向下移动",
-      moveLeftSelectedEntities: "向左移动",
-      moveRightSelectedEntities: "向右移动",
-      folderSection: "折叠/展开章节",
-      packEntityToSection: "打包到章节",
-      reverseEdges: "反向边",
-      generateNodeTreeWithDeepMode: "深度生成节点",
-      generateNodeTreeWithBroadMode: "广度生成节点",
-      switchActiveProject: "切换项目",
-      checkoutProtectPrivacy: "隐私模式",
-      openColorPanel: "颜色面板",
-      switchDebugShow: "调试显示",
-      setWindowToMiniSize: "迷你窗口",
-    };
-
-    return titleMap[id] || id;
+    // 使用 i18next 直接从翻译文件读取
+    const translation = i18next.t(`${id}.title`, { ns: "keyBinds", defaultValue: "" });
+    return translation || id;
   }
 
   /**

app/src/core/service/controlService/shortcutKeysEngine/KeyBindsUI.tsx

@@ -1,4 +1,4 @@
-import { matchEmacsKeyPress, transEmacsKeyWinToMac } from "@/utils/emacs";
+import { formatEmacsKey, matchEmacsKeyPress, transEmacsKeyWinToMac } from "@/utils/emacs";
 import { isMac } from "@/utils/platform";
 import { createStore } from "@/utils/store";
 import { Queue } from "@graphif/data-structures";
@@ -342,4 +342,15 @@ export namespace KeyBindsUI {
     enqueue(event);
     check();
   }
+
+  /**
+   * 获取当前按键序列的字符串表示
+   * 用于在debug模式下显示当前已按下的按键序列
+   */
+  export function getCurrentKeySequence(): string {
+    if (userEventQueue.length === 0) {
+      return "";
+    }
+    return userEventQueue.arrayList.map((event) => formatEmacsKey(event)).join(" ");
+  }
 }