v1.7.0: 新增私信评论区用户（wbi签名+永久按mid去重+2~4分钟间隔）、安装统计上报、有新版本提示

background.js

@@ -29,6 +29,41 @@ async function ensureDownloadHeadersRule() {
 }
 ensureDownloadHeadersRule();
 
+// ============ 安装统计（CardAuth installations：只上报机器码+版本，不碰B站账号） ============
+// 用 check-update 接口登记（服务端会写 installations 表并返回 install_id），
+// 顺带拿到 latest_version → 面板可提示「有新版本」
+let installReported = false;
+async function reportInstall(force) {
+  if (installReported && !force) return;
+  try {
+    const machine = await getMachineId();
+    const ver = chrome.runtime.getManifest().version;
+    const ua = (typeof navigator !== "undefined" && navigator.userAgent) || "";
+    const m = ua.match(/(Chrome|Edg)\/[\d.]+/);
+    const r = await authFetch("/public/installations/check-update", {
+      method: "POST",
+      headers: { "Content-Type": "application/json", "X-Api-Key": CARD_API_KEY },
+      body: JSON.stringify({
+        project_id: PROJECT_ID,
+        machine_id: machine,
+        client_version: ver,
+        device_info: (m ? m[0] : "chrome-extension")
+      })
+    }, 8000);
+    if (r && r.code === 200 && r.data) {
+      installReported = true;
+      await chrome.storage.local.set({
+        updateAvailable: !!r.data.update_available,
+        latestVersion: String(r.data.latest_version || "")
+      });
+    }
+  } catch (e) { /* 统计失败不影响任何功能，也不阻塞用户 */ }
+}
+if (chrome.runtime.onInstalled) {
+  chrome.runtime.onInstalled.addListener(() => reportInstall(true));
+}
+reportInstall(false); // SW 启动即登记一次（同一浏览器只记一条）
+
 // ============ 授权（CardAuth: auth.88531.cn，项目=B站评论插件） ============
 
 const AUTH_BASE = "https://auth.88531.cn/api";
@@ -517,7 +552,12 @@ chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
       const license = await checkLicense();
       let announcements = [];
       try { announcements = await getAnnouncements(); } catch (e) { announcements = []; }
-      sendResponse({ ok: true, license: license, announcements: announcements });
+      const st = await chrome.storage.local.get(["updateAvailable", "latestVersion"]);
+      reportInstall(false); // 面板打开时补一次登记（SW 冷启动后 onInstalled 不会再触发）
+      sendResponse({
+        ok: true, license: license, announcements: announcements,
+        update: { available: !!st.updateAvailable, latest: String(st.latestVersion || ""), current: chrome.runtime.getManifest().version }
+      });
     })();
     return true;
   }