From 0bfcd9cd6740ae0d4bdebabd5bcdd441009cb9dc Mon Sep 17 00:00:00 2001
From: xiaosi <2652281683@qq.com>
Date: Thu, 3 Sep 2026 15:52:27 +0800
Subject: [PATCH] docs: repair play-url cache spec code fence

---
 ...-09-03-live-playurl-session-cache-design.md | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/docs/superpowers/specs/2026-09-03-live-playurl-session-cache-design.md b/docs/superpowers/specs/2026-09-03-live-playurl-session-cache-design.md
index 92e879f..5340cf3 100644
--- a/docs/superpowers/specs/2026-09-03-live-playurl-session-cache-design.md
+++ b/docs/superpowers/specs/2026-09-03-live-playurl-session-cache-design.md
@@ -39,19 +39,12 @@
 伪代码（两页各自落地，字段名可本地化）：
 
 ```js
+const PLAY_URL_FRESH_MS = 30_000
+
 let playUrlPromise = null
 let playUrlSessionId = ''
 
 async function ensurePlayUrl(sessionId, { force = false } = {}) {
-  if (
-    !force &&
-    activeSessionId === sessionId &&
-    playUrl &&
-    playUrlExpiresAt * 1000 - Date.now() > 30_000
-  ) {
-    return { playUrl, expiresAt: playUrlExpiresAt } // 或直接 true / 沿用现有写入形态
-  }
-
   if (
     !force &&
     activeSessionId === sessionId &&
@@ -68,7 +61,8 @@ async function ensurePlayUrl(sessionId, { force = false } = {}) {
   playUrlSessionId = sessionId
   playUrlPromise = getLivePlayURL(dockId, sessionId)
     .then((play) => {
-      if (activeSessionId !== sessionId) return play // 调用方仍须再校验后再写入本地状态
+      // 回写前调用方仍须再校验 session；此处仅作提示性守卫
+      if (activeSessionId !== sessionId) return play
       return play
     })
     .finally(() => {
@@ -76,10 +70,10 @@ async function ensurePlayUrl(sessionId, { force = false } = {}) {
     })
 
   return playUrlPromise
-常量：`PLAY_URL_FRESH_MS = 30_000`（与现有临期续期 lead 对齐）。**写入** `playUrl` / `expiresAt` / `schedulePlayRefresh` 由调用方在 ensure resolve 且 session 仍匹配后执行（Monitor 可把写入收进 ensure 内部，但必须含二次 session 校验）。
+}
 ```
 
-常量：`PLAY_URL_FRESH_MS = 30_000`（与现有临期续期 lead 对齐）。
+常量：`PLAY_URL_FRESH_MS = 30_000`（与现有临期续期 lead 对齐）。**写入** `playUrl` / `expiresAt` / `schedulePlayRefresh` 由调用方在 ensure resolve 且 session 仍匹配后执行（Monitor 可把写入收进 ensure 内部，但必须含二次 session 校验）。
 
 ### 4.2 Monitor：`useMonitorLive.js`