Merge remote-tracking branches 'origin/sub_laptop_2', 'origin/sub_laptop_6' and 'origin/sub_laptop_7' into sub_laptop_5

A00_Common/spreadsheet/spreadsheet_grid.ts

@@ -13,6 +13,7 @@
 
 import "./spreadsheet_grid.css";
 import { colIndex, toA1 } from "./spreadsheet_address";
+import { wheelZoomsIn } from "../touch_bridge";
 import {
   buildColGeometry,
   buildOutlineRuns,
@@ -271,7 +272,8 @@ export function createGrid(ctx: SpreadsheetContext): GridHandle {
     if (!ev.ctrlKey) return;
     ev.preventDefault();
     const before = zoom;
-    const next = Math.min(ZOOM_MAX, Math.max(ZOOM_MIN, zoom * Math.exp(-ev.deltaY * 0.0015)));
+    const step = (wheelZoomsIn(ev) ? 1 : -1) * Math.abs(ev.deltaY) * 0.0015; // ☰ [설정] 방향(332)
+    const next = Math.min(ZOOM_MAX, Math.max(ZOOM_MIN, zoom * Math.exp(step)));
     if (next === before) return;
     zoom = next;
     colGeo = scaledGeometry(baseColGeo, zoom);