feat(remote-control): 优化 Web 展示、状态同步与桥接控制流程 (#288)

Co-authored-by: chengzifeng <chengzifeng@meituan.com>

packages/remote-control-server/web/render-activity.test.js

@@ -0,0 +1,30 @@
+import { describe, expect, test } from "bun:test";
+
+import {
+  formatCountdownRemaining,
+  resolveActivityMode,
+  shouldRenderTranscriptActivity,
+} from "./render.js";
+
+describe("render activity helpers", () => {
+  test("authoritative standby and sleeping states override stale working spinners", () => {
+    expect(resolveActivityMode(true, { mode: "standby" })).toBe("standby");
+    expect(resolveActivityMode(true, { mode: "sleeping" })).toBe("sleeping");
+    expect(resolveActivityMode(true, null)).toBe("working");
+    expect(resolveActivityMode(false, null)).toBe("idle");
+  });
+
+  test("formats countdowns compactly", () => {
+    expect(formatCountdownRemaining(35_000, 0)).toBe("35s");
+    expect(formatCountdownRemaining(185_000, 0)).toBe("3m 5s");
+    expect(formatCountdownRemaining(3_900_000, 0)).toBe("1h 5m");
+    expect(formatCountdownRemaining(null, 0)).toBe("");
+  });
+
+  test("renders transcript activity only for active work", () => {
+    expect(shouldRenderTranscriptActivity("working")).toBe(true);
+    expect(shouldRenderTranscriptActivity("standby")).toBe(false);
+    expect(shouldRenderTranscriptActivity("sleeping")).toBe(false);
+    expect(shouldRenderTranscriptActivity("idle")).toBe(false);
+  });
+});