补齐换号扩展联动接口

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

content.js

@@ -9,6 +9,7 @@
   const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
   const visible = el => !!el && !!el.getClientRects().length && getComputedStyle(el).visibility !== 'hidden';
   let flow = null, busy = false, running = false, panel, message, nextButton, resumeButton, retryButton, stopButton;
+  let bridgeHost, bridgeReady = false, stopRevision = 0;
   let actions, toolbar, panelToggle, hideButton, restoreButton, panelHidden = false, visibilitySaving = false;
   class Stopped extends Error {}
 
@@ -39,6 +40,11 @@
   }
   function controls() {
     if (!nextButton) return;
+    // Only lifecycle flags cross into the page; never credentials or account data.
+    bridgeHost?.setAttribute('data-auto-news-state', JSON.stringify({
+      ready: bridgeReady, idle: bridgeReady && !busy && !running && !flow,
+      paused: !!flow?.paused
+    }));
     nextButton.disabled = busy || !!flow;
     resumeButton.hidden = !flow || (!flow.paused && running);
     resumeButton.disabled = busy || running;
@@ -107,6 +113,9 @@
   async function suspend(reason) {
     if (flow && !flow.paused) {
       const run = flow.id;
+      flow.paused = true;
+      flow.reason = reason;
+      controls();
       try { await request('/suspend', { run, reason }); }
       finally { if (flow?.id === run) { flow.paused = true; flow.reason = reason; } }
     }
@@ -165,14 +174,19 @@
   }
   async function begin() {
     if (location.hostname === 'dww11.com') { location.assign(HOME); return; }
+    const revision = stopRevision;
     await recordRestriction();
+    if (revision !== stopRevision) return;
     flow = (await request('/start')).flow;
+    if (revision !== stopRevision) { await suspend('新闻工作台已终止流程。'); return; }
     await drive();
   }
   async function resume(retry = false) {
     if (location.hostname === 'dww11.com') { location.assign(HOME); return; }
     if (retry && !confirm('将重新提交本次抽到的账号（不抽新账号）。如上次提交已成功，可能再次登录。确认重试？')) return;
+    const revision = stopRevision;
     flow = (await request('/resume')).flow;
+    if (revision !== stopRevision) { await suspend('新闻工作台已终止流程。'); return; }
     if (retry) {
       await save({ phase: 'logout', hops: 0, submittedAt: null, probedAt: null, invalidError: null });
       location.assign(HOME);
@@ -291,6 +305,7 @@
 
   function mount() {
     const host = document.createElement('div');
+    bridgeHost = host;
     host.id = 'dww11-extension-panel';
     const root = host.attachShadow({ mode: 'closed' });
     const style = document.createElement('style');
@@ -328,6 +343,7 @@
     const info = await request('/hello');
     panelVisibility(info.panelHidden);
     flow = info.flow;
+    bridgeReady = true;
     if (flow && !info.owned) {
       flow.paused = true;
       show('存在未完成流程。可在原标签页继续；原标签关闭后可在此接续。', true);
@@ -338,5 +354,9 @@
       await recordRestriction();
     }
   }
-  init().catch(e => { if (message) { panelVisibility(false); show('扩展启动失败：' + e.message, true); } });
+  document.addEventListener('dww11:auto-stop', () => {
+    stopRevision++;
+    if (flow && !flow.paused) void suspend('新闻工作台已终止流程。').catch(e => show(e.message, true));
+  });
+  init().catch(e => { bridgeReady = false; if (message) { panelVisibility(false); show('扩展启动失败：' + e.message, true); } });
 })();