feat: restore legacy named playlist workflows

tests/Web/manual-financial-workflow.test.cjs

@@ -605,6 +605,24 @@ test("playlist entry has the complete standard operator metadata and native trus
   }, { id: "forged" }), /native-confirmed/);
 });
 
+test("enabled replacement keeps native financial trust without mutating the frozen entry", () => {
+  const snapshot = trustedSnapshot("sales");
+  const stock = verifiedStock(snapshot.record);
+  const selection = trustedSelection(snapshot, stock);
+  const entry = workflow.createPlaylistEntry(snapshot, stock, selection, {
+    id: "sales-toggle",
+    fadeDuration: 6
+  });
+  const replacement = workflow.withEnabled(entry, false);
+
+  assert.notEqual(replacement, entry);
+  assert.equal(Object.isFrozen(replacement), true);
+  assert.equal(entry.enabled, true);
+  assert.equal(replacement.enabled, false);
+  assert.equal(workflow.isPlaylistEntryPlayable(replacement), true);
+  assert.equal(workflow.withEnabled({ ...entry }, false), null);
+});
+
 test("stored entries restore only as non-playable refresh-required descriptors", () => {
   const snapshot = trustedSnapshot("sales");
   const stock = verifiedStock(snapshot.record);