fix: avoid focusing chrome during collection

app/cdp.py

@@ -160,12 +160,20 @@ def find_product_tab(item_id, host=None):
     return None
 
 
-def create_tab_info(url, host=None):
+def create_tab_info(url, host=None, background=False):
     """用 browser 级 Target.createTarget 新建 tab，返回其 page target 信息。"""
     ver = http_get("/json/version", host=host)
     b = CDP(ver["webSocketDebuggerUrl"])
     try:
-        tid = b.send("Target.createTarget", {"url": url})["targetId"]
+        params = {"url": url}
+        if background:
+            params["background"] = True
+        try:
+            tid = b.send("Target.createTarget", params)["targetId"]
+        except RuntimeError:
+            if not background:
+                raise
+            tid = b.send("Target.createTarget", {"url": url})["targetId"]
     finally:
         b.close()
     end = time.time() + 15