拆分宣传页视图并扩充 Mock 数据，合作订单支持获客员备注名并修复线索图片网格尺寸。

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

suixinkan/Features/ScenicPromotion/Views/ScenicPromotionSettingsSubmitBarView.swift

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+//
+//  ScenicPromotionSettingsSubmitBarView.swift
+//  suixinkan
+//
+//  Created by Codex on 2026/7/2.
+//
+
+import SwiftUI
+
+/// 设置页底部悬浮提交栏。
+struct ScenicPromotionSettingsSubmitBarView: View {
+    let onSubmit: () -> Void
+
+    var body: some View {
+        VStack(spacing: 0) {
+            Divider()
+            Button(action: onSubmit) {
+                Text("提交设置")
+                    .font(.system(size: 17, weight: .bold))
+                    .foregroundStyle(.white)
+                    .frame(maxWidth: .infinity)
+                    .frame(height: 50)
+                    .background(AppDesign.primary, in: RoundedRectangle(cornerRadius: 14))
+            }
+            .buttonStyle(.plain)
+            .padding(.horizontal, 16)
+            .padding(.top, 10)
+            .padding(.bottom, 10)
+        }
+        .background(.ultraThinMaterial)
+    }
+}
+
+#if DEBUG
+#Preview("提交栏") {
+    ScenicPromotionSettingsSubmitBarView(onSubmit: {})
+}
+#endif