feat(m01-easycalc): Pick 오류를 쉬운 말로 · 목록 100줄 제한 · PLAN 34-3b Pick 검증완료

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019ACSGaHdLgnkEkoA4LDtMU

M01_MasterData/EasyCalc/M01_EasyCalc_Pick.ts

@@ -16,7 +16,7 @@ import {
 import { openModal } from "@ui/ui_template_modal";
 import { fetchPick, fetchSubs, type SubInfo } from "../M01_MasterData_Api_Fetch";
 import { fetchMaterials } from "../M01_MasterData_UI_Logic_Api";
-import { listEasy, listMachines, machineElement } from "./M01_EasyCalc_Api";
+import { listEasy, listMachines, machineElement, plainError } from "./M01_EasyCalc_Api";
 import type { PickResult } from "./M01_EasyCalc_Model";
 import "./M01_EasyCalc_Pick.css";
 
@@ -64,6 +64,8 @@ const te = (key: keyof typeof TEXT, vars: Record<string, string | number> = {}):
   );
 
 const won = (n: number): string => Math.round(n).toLocaleString("ko-KR");
+/** 목록에 그릴 줄 수 — 더 찾으려면 이름을 쳐서 좁힘 */
+const SHOW = 100;
 const MAT_FILE = "재료_자재품목.json";
 
 /** 목록 한 줄 — 고르면 PickResult(수량 빼고) 를 만들어 줌 */
@@ -294,16 +296,17 @@ export function openEasyPick(kind?: Kind): Promise<PickResult | null> {
                 return void list.replaceChildren(
                   el("p", { className: "m01-easypick__muted", text: te("Hint") }),
                 );
-              count.textContent = te("Count", { n: found.total, m: found.items.length });
+              const shown = found.items.slice(0, SHOW);
+              count.textContent = te("Count", { n: found.total, m: shown.length });
               list.replaceChildren(
-                ...(found.items.length
-                  ? found.items.map((c) =>
+                ...(shown.length
+                  ? shown.map((c) =>
                       rowOf(c, () => stepQty(k, c, back ? () => stepList(k, canBack) : null)),
                     )
                   : [el("p", { className: "m01-easypick__muted", text: te("None") })]),
               );
-            } catch {
-              if (mine === seq) showToast(te("Failed"), "error");
+            } catch (e) {
+              if (mine === seq) showToast(plainError(e), "error");
             }
           };
           if (src.grouped) bar.unshift(...subFilters(filter, load));
@@ -348,7 +351,11 @@ export function openEasyPick(kind?: Kind): Promise<PickResult | null> {
           const submit = async (): Promise<void> => {
             const n = parse();
             if (n === null) return qty.setError(te("QtyBad"));
-            done({ ...(await c.make()), qty: n });
+            try {
+              done({ ...(await c.make()), qty: n });
+            } catch (e) {
+              qty.setError(plainError(e));
+            }
           };
           qty.input.addEventListener("input", refresh);
           qty.input.addEventListener("keydown", (ev) => ev.key === "Enter" && void submit());