feat: add web master-agent chat menu

tests/master-agent-chat-menu.test.ts

@@ -0,0 +1,19 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { getMasterAgentChatMenuItems } from "../src/lib/master-agent-chat-menu";
+
+test("master-agent 聊天页菜单包含提示词、记忆和刷新", () => {
+  const items = getMasterAgentChatMenuItems("master-agent");
+  assert.deepEqual(
+    items.map((item) => item.key),
+    ["prompt", "memory", "refresh"],
+  );
+  assert.equal(items[0]?.href, "/me/master-agent#prompt-section");
+  assert.equal(items[1]?.href, "/me/master-agent#memory-section");
+  assert.equal(items[2]?.action, "refresh");
+});
+
+test("普通会话不返回主 Agent 专属菜单", () => {
+  const items = getMasterAgentChatMenuItems("boss-console");
+  assert.deepEqual(items, []);
+});