Merge remote-tracking branches 'origin/sub_laptop_2' and 'origin/sub_laptop_8' into sub_laptop_4

resources/tester/spreadsheet/e_harness.ts

@@ -75,7 +75,9 @@ const grid: GridHandle = {
   destroy() {},
 };
 
-function applyAndRefresh(command: import("../../../A00_Common/spreadsheet/spreadsheet_types").Command): void {
+function applyAndRefresh(
+  command: import("../../../A00_Common/spreadsheet/spreadsheet_types").Command,
+): void {
   const effect = applyCommand(book, command);
   if (effect.rebuild) engine.rebuild(book);
   else engine.update(effect.cells);
@@ -126,7 +128,7 @@ const ctx: SpreadsheetContext = {
   },
   grid,
   editor: {
-    editing: () => false,
+    editing: () => editingFlag,
     begin() {},
     commit() {},
     cancel() {},
@@ -134,6 +136,24 @@ const ctx: SpreadsheetContext = {
   },
 };
 
+// 단위 기호 [편집 중이면 커서 자리에] 갈래 시험용 — 진짜 D 편집기 대신 숨은 textarea 하나로 흉내.
+let editingFlag = false;
+const fakeEditorTa = document.createElement("textarea");
+fakeEditorTa.id = "fake-editor-ta";
+root.append(fakeEditorTa);
+(window as unknown as { __setEditing: (on: boolean, value?: string) => void }).__setEditing = (
+  on,
+  value,
+) => {
+  editingFlag = on;
+  if (on) {
+    if (value !== undefined) fakeEditorTa.value = value;
+    fakeEditorTa.focus();
+  } else {
+    fakeEditorTa.blur();
+  }
+};
+
 const toolbar = mountToolbar(ctx);
 const tabs = mountTabs(ctx);
 attachMenu(ctx);