feat(est): connect original quantity sheets

tools/est-test/native-app.js

@@ -143,8 +143,14 @@ const EstApp = (() => {
     const errors = calculated.errors || [];
     byId("messages").hidden = !errors.length && !state.notice;
     byId("messages").textContent = state.notice || errors.join(" / ");
+    const rowCount =
+      state.project.tables[state.view]?.length ??
+      (state.view === "quantity"
+        ? (state.project.quantitySheets?.find((s) => s.Code === state.quantitySheet)?.items
+            .length ?? state.project.quantities.length)
+        : 0);
     byId("status").textContent =
-      `${state.project.name} · ${titles[state.view]} · ${state.project.tables[state.view]?.length || 0}행 · ${errors.length ? `계산 오류 ${errors.length}건` : "계산 오류 없음"}`;
+      `${state.project.name} · ${titles[state.view]} · ${rowCount}행 · ${errors.length ? `계산 오류 ${errors.length}건` : "계산 오류 없음"}`;
     EstViews.render(state);
     byId("work-content").scrollLeft = scroll;
     const next = focus?.table
@@ -211,6 +217,7 @@ const EstApp = (() => {
       const saved = sessionStorage.getItem(CACHE);
       setProject(saved ? JSON.parse(saved) : await api("/api/sample"));
       EstActions.install();
+      EstQuantity.install();
     } catch (error) {
       byId("messages").hidden = false;
       byId("messages").textContent = `시작 실패: ${error.message}`;