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

app/editor.py

@@ -753,7 +753,7 @@ def _close_open_product_failure(cdp):
                 pass
 
 
-def open_product(account, item_id, on_step=None) -> CDP:
+def open_product(account, item_id, on_step=None, bring_to_front=True) -> CDP:
     """Open or reuse a product edit tab, navigate to a clean edit URL, and wait ready."""
 
     _notify_collect_step(on_step, "open_product")
@@ -763,7 +763,7 @@ def open_product(account, item_id, on_step=None) -> CDP:
     tab = find_product_tab(item_id, host=host)
     created_by_app = tab is None
     if tab is None:
-        tab = create_tab_info(url, host=host)
+        tab = create_tab_info(url, host=host, background=not bring_to_front)
     ws = tab["webSocketDebuggerUrl"]
     cdp = CDP(ws)
     cdp.target_id = tab.get("id")
@@ -772,10 +772,11 @@ def open_product(account, item_id, on_step=None) -> CDP:
     try:
         _ensure_page_domains(cdp)
         install_toast_observer(cdp)
-        try:
-            cdp.send("Page.bringToFront")
-        except Exception:
-            pass
+        if bring_to_front:
+            try:
+                cdp.send("Page.bringToFront")
+            except Exception:
+                pass
         cdp.send("Page.navigate", {"url": url})
         install_toast_observer(cdp)
         _notify_collect_step(on_step, "wait_ready")
@@ -826,7 +827,7 @@ def collect(account, task, on_step=None) -> dict:
     """Collect current title and cover snapshot before any edits."""
 
     item_id = _item_id(task)
-    cdp = open_product(account, item_id, on_step=on_step)
+    cdp = open_product(account, item_id, on_step=on_step, bring_to_front=False)
     try:
         _notify_collect_step(on_step, "read_title")
         old_title = read_title(cdp)