Add custom main tab bar with global scan-to-verify flow.

Introduce configurable custom TabBar with order badge, central scanner routing to verification orders, and update the migration checklist for recently completed modules.

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

suixinkan/Features/Orders/Views/OrdersView.swift

@@ -93,12 +93,16 @@ struct OrdersView: View {
         .task {
             viewModel.selectedEntry = appRouter.selectedOrdersEntry
             await reload()
+            await consumePendingScanCodeIfNeeded()
         }
         .onChange(of: appRouter.selectedOrdersEntry) { _, entry in
             guard viewModel.selectedEntry != entry else { return }
             viewModel.selectedEntry = entry
             Task { await reload() }
         }
+        .onChange(of: appRouter.pendingOrderScanCode) { _, _ in
+            Task { await consumePendingScanCodeIfNeeded() }
+        }
         .onChange(of: accountContext.currentScenic?.id) { _, _ in
             Task { await reload() }
         }
@@ -575,6 +579,15 @@ struct OrdersView: View {
         }
     }
 
+    /// 消费主 TabBar 全局扫码结果，并复用订单页内部扫码核销处理。
+    private func consumePendingScanCodeIfNeeded() async {
+        guard let rawCode = appRouter.consumePendingOrderScanCode() else { return }
+        viewModel.selectedEntry = .verificationOrders
+        appRouter.selectOrders(entry: .verificationOrders)
+        await reload(showLoading: false)
+        handleScanResult(rawCode)
+    }
+
     /// 处理扫码返回的原始内容，并进入二次确认核销流程。
     private func handleScanResult(_ rawCode: String) {
         guard let result = viewModel.matchedWriteOffOrder(for: rawCode) else {