feat: add paginated project discovery

hub/src/feishu/slashCommands.ts

@@ -99,6 +99,19 @@ export function createSlashCommandRegistry(deps: SlashCommandRegistryDeps): Read
     },
   });
 
+  add({
+    name: "project",
+    usage: "/project",
+    summary: "打开当前项目管理卡片，可修改项目名称。",
+    details: [
+      "要求操作者拥有当前项目的 MANAGE 权限。",
+      "实际卡片由飞书 trigger adapter 渲染，不创建 agent run。",
+    ],
+    run: async ({ chatId, rt, sendOptions }) => {
+      await sendText(rt, chatId, "请在飞书项目群中使用 @bot /project 打开项目管理卡片。", sendOptions);
+    },
+  });
+
   add({
     name: "resume",
     usage: "/resume",