remove poller

static/app.js

@@ -3,8 +3,6 @@
 //   GET /api/queue    -> { pending: [], current: { task, startedAt, log } | null }
 //   GET /api/history  -> { scripts: [], history: { scriptPath: [record, ...] } }
 
-const POLL_QUEUE_MS = 1500;     // 队列 + 当前执行 轮询周期
-const POLL_HISTORY_MS = 4000;   // 历史 轮询周期
 const LOG_TAIL_CHARS = 12000;   // 前端日志渲染尾部最大字符数
 
 const state = {
@@ -313,5 +311,3 @@ document.addEventListener("keydown", (e) => {
 
 pollQueue();
 pollHistory();
-setInterval(pollQueue, POLL_QUEUE_MS);
-setInterval(pollHistory, POLL_HISTORY_MS);