feat(cookie-gate): 调度器恢复重跑接线与控制台健康自检

调度器维护循环挂载 CookieGateRecoveryManager，登录态恢复后按原业务日期自动
重跑被阻断工作流并飞书确认；工作流级 required_accounts 声明接入目录解析；
采集器抛 CookieExpiredError 退出 75；控制台新增 /api/health 自检端点与进程内
看门狗，配合 deploy/watchdog 双层保活；安装脚本同步。

tests/test_scheduler_cli.py

@@ -54,7 +54,7 @@ def test_python_scheduler_status_is_project_owned_and_cross_platform(tmp_path: P
     assert exit_code == 0
     payload = json.loads(output.getvalue())
     assert payload["timezone"] == "Asia/Shanghai"
-    assert payload["scheduled_count"] == 35
+    assert payload["scheduled_count"] == 39
     assert payload["state"]["schema_version"] == 1