Migrate remaining legacy operator workflows

tests/Web/trading-halt-workflow.test.cjs

@@ -142,6 +142,65 @@ test("search responses reject duplicates, ambiguous names, invalid rows and reor
   })), null);
 });
 
+test("UC7 name-sort toggles descending first and ascending second", () => {
+  assert.equal(workflow.nextTradingHaltNameSort(null), "descending");
+  assert.equal(workflow.nextTradingHaltNameSort("descending"), "ascending");
+  assert.equal(workflow.nextTradingHaltNameSort("ascending"), "descending");
+});
+
+test("display-only name sort handles mixed markets and deterministic duplicate-name ties", () => {
+  const rows = [
+    { market: "kospi", stockCode: "000002", displayName: "동명" },
+    { market: "kosdaq", stockCode: "000003", displayName: "동명" },
+    { market: "kospi", stockCode: "000004", displayName: "마지막" },
+    { market: "kosdaq", stockCode: "000001", displayName: "동명" },
+    { market: "kospi", stockCode: "000005", displayName: "가나다" }
+  ];
+  const original = [...rows];
+
+  assert.deepEqual(
+    workflow.sortTradingHaltsForDisplay(rows, "ascending").map(value => `${value.displayName}|${value.market}|${value.stockCode}`),
+    [
+      "가나다|kospi|000005",
+      "동명|kosdaq|000001",
+      "동명|kosdaq|000003",
+      "동명|kospi|000002",
+      "마지막|kospi|000004"
+    ]);
+  assert.deepEqual(
+    workflow.sortTradingHaltsForDisplay(rows, "descending").map(value => `${value.displayName}|${value.market}|${value.stockCode}`),
+    [
+      "마지막|kospi|000004",
+      "동명|kosdaq|000001",
+      "동명|kosdaq|000003",
+      "동명|kospi|000002",
+      "가나다|kospi|000005"
+    ]);
+  const selectedIdentity = workflow.tradingHaltIdentity(rows[0]);
+  const selectedAfterSort = workflow.sortTradingHaltsForDisplay(rows, "ascending")
+    .find(value => workflow.tradingHaltIdentity(value) === selectedIdentity);
+  assert.equal(selectedAfterSort, rows[0]);
+  const serverOrder = workflow.sortTradingHaltsForDisplay(rows, null);
+  assert.deepEqual(rows, original);
+  assert.deepEqual(serverOrder, rows);
+  assert.notEqual(serverOrder, rows);
+  assert.equal(serverOrder[0], rows[0]);
+  assert.throws(() => workflow.sortTradingHaltsForDisplay(rows, "server"), /ascending/i);
+});
+
+test("trading-halt selection identity is market plus stock code, independent of display name", () => {
+  assert.equal(
+    workflow.tradingHaltIdentity({ market: "kospi", stockCode: "005930", displayName: "삼성전자" }),
+    "kospi\u0000005930");
+  assert.equal(
+    workflow.tradingHaltIdentity({ market: "kospi", stockCode: "005930", displayName: "표시명 변경" }),
+    "kospi\u0000005930");
+  assert.notEqual(
+    workflow.tradingHaltIdentity({ market: "kosdaq", stockCode: "005930", displayName: "삼성전자" }),
+    "kospi\u0000005930");
+  assert.equal(workflow.tradingHaltIdentity(null), "");
+});
+
 test("5001 current selections bind the exact halted-stock Core contract", () => {
   for (const [stock, groupCode] of [[kospi, "KOSPI"], [kosdaq, "KOSDAQ"]]) {
     const mapping = workflow.buildTradingHaltSelection("current", stock, {