fix(M02): 도면 칸 CAD 💾 · Ctrl+S 가 페이지 [저장] 을 부름 · 엉터리 도각 파일은 400 · 자리표 패널 접기 단추 (PLAN 10-3)

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PxvYb5ufV1kWdBvZbpDfu6

B07_DesignDetail/openwebcad/src/inputController/input-controller.ts

@@ -22,6 +22,7 @@ import {
 	resolveCommandInput,
 } from '../commands/registry.ts';
 import { runCommand } from '../commands/run-command.ts';
+import { requestHostSave } from '../integration/aislo-drawing-bridge.ts';
 import type { ScreenCanvasDrawController } from '../drawControllers/screenCanvas.drawController.ts';
 import { calculateAngleGuidesAndSnapPoints } from '../helpers/calculate-angle-guides-and-snap-points.ts';
 import { findClosestEntity } from '../helpers/find-closest-entity.ts';
@@ -40,6 +41,7 @@ import {
 	getSnapEnabled,
 	getSnapPoint,
 	getSnapPointOnAngleGuide,
+	isHostSave,
 	redo,
 	setActiveToolActor,
 	setAngleStep,
@@ -426,6 +428,9 @@ export class InputController {
 		} else if (evt.ctrlKey && evt.key === 'y') {
 			// User wants to redo the last action
 			this.handleRedo(evt);
+		} else if (evt.ctrlKey && evt.key === 's') {
+			// 부모 페이지가 저장을 맡은 화면(M02 양식)만 — B07 은 예전처럼 아무 일 없음
+			if (isHostSave()) requestHostSave();
 		} else if (evt.ctrlKey && evt.key === 'a') {
 			// User wants to select everything
 			setSelectedEntityIds(getPickableEntities().map((entity) => entity.id));