fix(scraper): 云客鉴权失败信封统一拦截——cookie 过期响亮报错不再静默

事故(2026-09-03 手动同步实测):cookie 过期时 WA 路径对 str data 调 .get
崩 AttributeError,微信路径更糟——auth 错误信封被当空数据,55 员工全部
rows=0 无任何告警,整轮同步一无所获。

守卫:_browser_fetch 收口统一走 _check_auth_envelope,识别 success=false
且 code=±20020(实测信封)抛 CookieExpiredError;main 入口捕获后输出
一句话可读信息 + 退出码 3(不再天书堆栈)。业务错误(-90000 等)不受影响
照旧放行。测试 5 新增,全量 517 绿。

后续(等确认真实密码):CookieExpiredError 触发自动重新登录换 cookie,
过期彻底自愈。

Co-Authored-By: Claude Code <noreply@anthropic.com>

yunke-server/scripts/scrape_via_page.py

@@ -1131,10 +1131,12 @@ async def _browser_fetch(page, path: str, json_body: dict | None = None, form_bo
     """POST from inside the browser context (proper cookies/referrer => no 风控).
 
     ``json_body`` sends a JSON body; ``form_body`` sends form-urlencoded.
-    Returns the parsed JSON response.
+    Returns the parsed JSON response. 鉴权失败信封(云客 cookie 过期)在此
+    统一拦截抛 :class:`CookieExpiredError`(2026-09-03:过期时 WA 路径对
+    str data 调 .get 崩 AttributeError、微信路径静默当空数据 55 员工 0 行)。
     """
     if json_body is not None:
-        return await page.evaluate(
+        resp = await page.evaluate(
             """async ([path, body]) => {
                 const resp = await fetch(path, {
                     method: 'POST',
@@ -1145,19 +1147,42 @@ async def _browser_fetch(page, path: str, json_body: dict | None = None, form_bo
             }""",
             [path, json_body],
         )
-    return await page.evaluate(
-        """async ([path, params]) => {
-            const ps = new URLSearchParams();
-            for (const [k, v] of Object.entries(params)) ps.append(k, String(v));
-            const resp = await fetch(path, {
-                method: 'POST',
-                headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
-                body: ps.toString(),
-            });
-            return await resp.json();
-        }""",
-        [path, form_body or {}],
-    )
+    else:
+        resp = await page.evaluate(
+            """async ([path, params]) => {
+                const ps = new URLSearchParams();
+                for (const [k, v] of Object.entries(params)) ps.append(k, String(v));
+                const resp = await fetch(path, {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+                    body: ps.toString(),
+                });
+                return await resp.json();
+            }""",
+            [path, form_body or {}],
+        )
+    return _check_auth_envelope(resp)
+
+
+class CookieExpiredError(RuntimeError):
+    """云客会话过期(鉴权失败信封)。调用方应中止本轮同步,提示重新登录换 cookie。"""
+
+
+def _check_auth_envelope(resp):
+    """鉴权失败信封 → CookieExpiredError;其余响应原样返回。
+
+    云客过期时的实测信封(code 时而 str 时而 int):
+    ``{"code":"-20020","data":"账号认证已过期…","message":"鉴权失败…","success":false}``
+    业务错误(如 -90000)不是鉴权问题,照旧放行由调用方语义处理。
+    """
+    if isinstance(resp, dict) and resp.get("success") is False:
+        code = str(resp.get("code", ""))
+        if code in {"-20020", "20020"}:
+            raise CookieExpiredError(
+                f"云客 cookie 已过期(code={code}:{resp.get('message')}),"
+                "需重新登录换取后更新 YK_COOKIE"
+            )
+    return resp
 
 
 def _rows_flat(body: dict) -> list[dict]:
@@ -2224,4 +2249,9 @@ async def main():
 
 
 if __name__ == "__main__":
-    asyncio.run(main())
+    try:
+        asyncio.run(main())
+    except CookieExpiredError as exc:
+        # 一句话可读 + 专用退出码,调度器/脚本日志第一眼就能定位;不再输出天书堆栈
+        print(f"[cookie-expired] {exc}", file=sys.stderr)
+        sys.exit(3)