完善样片管理列表、详情与上传页 UI 交互。

对齐 Android 样片模块布局与加载状态，补充共享 UI 组件与图片资源，并增强列表解析容错与单元测试覆盖。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/UI/PunchPoint/PunchPointDetailViewController.swift

@@ -284,10 +284,10 @@ final class PunchPointDetailViewController: BaseViewController {
         title.font = .systemFont(ofSize: 14)
         title.textColor = UIColor(hex: 0x2E3746)
         title.textAlignment = .left
-        title.snp.makeConstraints { make in
-            make.width.equalTo(contentStack.snp.width)
-        }
         section.addArrangedSubview(title)
+        title.snp.makeConstraints { make in
+            make.width.equalTo(section.snp.width)
+        }
         guard let qrCode = qrCode?.nonEmptyTrimmed else {
             let empty = UILabel()
             empty.text = "暂无二维码"