fix: 兼容无维度名颜色摘要归位 (#268)

client/src/pdd_u2_purchase_adapter.py

@@ -277,10 +277,10 @@ def _has_visible_color_region(root: ET.Element) -> bool:
 
 
 def _needs_color_region_restore(root: ET.Element) -> bool:
-    """只有第二规格已出现且颜色摘要仍存在时，才判定面板停在中部。"""
+    """用维度名或强结构证据判断颜色区域是否已经滑出视口。"""
 
     labels = [_label(node).strip() for node in root.iter("node")]
-    has_color_summary = any(
+    has_named_color_summary = any(
         label.replace(" ", "").startswith(
             ("请选择", "請選擇", "已选", "已選", "已选择", "已選擇")
         )
@@ -291,7 +291,87 @@ def _needs_color_region_restore(root: ET.Element) -> bool:
         _dimension_heading(label) in _SECOND_DIMENSION_HEADINGS
         for label in labels
     )
-    return has_color_summary and has_second_heading
+    if not has_second_heading:
+        return False
+    if has_named_color_summary:
+        return True
+
+    # 部分 PDD 面板的摘要只写“已选：具体颜色 具体尺码”，不再带
+    # “颜色分类”维度名。只有唯一纵向容器内、第二规格标题上方同时
+    # 存在至少两个完整可点击卡片时，才把它认作已滚动的第一规格。
+    has_plain_selected_summary = any(
+        label.replace(" ", "").startswith(
+            ("已选", "已選", "已选择", "已選擇")
+        )
+        for label in labels
+    )
+    return has_plain_selected_summary and _has_first_dimension_structure(root)
+
+
+def _has_first_dimension_structure(root: ET.Element) -> bool:
+    """确认唯一纵向容器的第二规格标题上方仍有多个第一规格卡片。"""
+
+    region = _purchase_panel_scroll_region(root)
+    if region is None:
+        return False
+    width = region[2] - region[0]
+    height = region[3] - region[1]
+    if height < width * 0.70:
+        return False
+
+    second_heading_tops = [
+        bounds[1]
+        for node in root.iter("node")
+        if _dimension_heading(_label(node)) in _SECOND_DIMENSION_HEADINGS
+        if (bounds := _parse_bounds(node.get("bounds", ""))) is not None
+        if region[0] <= bounds[0]
+        and region[1] <= bounds[1]
+        and bounds[2] <= region[2]
+        and bounds[3] <= region[3]
+    ]
+    if not second_heading_tops:
+        return False
+    second_heading_top = min(second_heading_tops)
+
+    excluded = {
+        "增加数量",
+        "减少数量",
+        "提交订单",
+        "确定",
+        "打开大图",
+    }
+    candidate_bounds: set[Bounds] = set()
+    for node in root.iter("node"):
+        if (
+            node.get("clickable") != "true"
+            or node.get("enabled", "true") == "false"
+            or node.get("visible-to-user", "true") == "false"
+        ):
+            continue
+        bounds = _parse_bounds(node.get("bounds", ""))
+        label = _label(node).strip()
+        if not label or bounds is None:
+            continue
+        if not (
+            region[0] <= bounds[0]
+            and region[1] <= bounds[1]
+            and bounds[2] <= region[2]
+            and bounds[3] <= second_heading_top
+        ):
+            continue
+        compact = label.replace(" ", "")
+        if (
+            compact.startswith(
+                ("请选择", "請選擇", "已选", "已選", "选择", "選擇")
+            )
+            or any(marker in compact for marker in excluded)
+            or _dimension_heading(label) in (
+                _COLOR_DIMENSION_HEADINGS | _SECOND_DIMENSION_HEADINGS
+            )
+        ):
+            continue
+        candidate_bounds.add(bounds)
+    return len(candidate_bounds) >= 2
 
 
 def _purchase_panel_scroll_region(root: ET.Element) -> Optional[Bounds]: