Play rounds end in present.v1 body instead of creation HITL.

Narrator uses capability-probed structured delivery and falls back to shell body on failure; play UI hides worker questions and keeps thinking on process rows.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/present-packet.test.ts

@@ -4,6 +4,8 @@ import {
   parsePresentPacket,
   parseShellAdaptationFromReplyFormat,
   presentFromPlainText,
+  presentOutputFromFallback,
+  isPlayPresentWorker,
   shellDefaultRegions,
 } from "../src/skills/present-packet.js";
 
@@ -114,3 +116,18 @@ describe("shell adaptation from reply-format", () => {
     expect(adapt?.shell_id).toBe("prose");
   });
 });
+
+describe("play present worker", () => {
+  it("recognizes narrator and round-present", () => {
+    expect(isPlayPresentWorker("narrator")).toBe(true);
+    expect(isPlayPresentWorker("round-present")).toBe(true);
+    expect(isPlayPresentWorker("world-simulator")).toBe(false);
+  });
+
+  it("fallback packet uses the given shell", () => {
+    const raw = presentOutputFromFallback("她点了点头。", "chat_monitor");
+    const view = parsePresentPacket(raw, "prose");
+    expect(view.packet.shell).toBe("chat_monitor");
+    expect(view.packet.blocks.body).toBe("她点了点头。");
+  });
+});