新增自定义主 TabBar 与全局扫码核销流程

引入可配置的自定义 TabBar（含订单角标）、中央扫码入口跳转核销订单页，并更新迁移清单中最近完成的模块。

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

suixinkanTests/NavigationRouterTests.swift

@@ -30,6 +30,38 @@ final class NavigationRouterTests: XCTestCase {
         XCTAssertEqual(router.selectedOrdersEntry, .verificationOrders)
     }
 
+    /// 测试全局扫码核销路由会切到订单核销入口并保存扫码结果。
+    func testRouteToOrderVerificationStoresPendingScanCode() {
+        let router = AppRouter()
+
+        router.routeToOrderVerification(scannedCode: "order_number=VERIFY001")
+
+        XCTAssertEqual(router.selectedTab, .orders)
+        XCTAssertEqual(router.selectedOrdersEntry, .verificationOrders)
+        XCTAssertEqual(router.pendingOrderScanCode, "order_number=VERIFY001")
+    }
+
+    /// 测试全局扫码结果只能被消费一次。
+    func testConsumePendingOrderScanCodeClearsValueAfterFirstRead() {
+        let router = AppRouter()
+        router.routeToOrderVerification(scannedCode: "VERIFY001")
+
+        XCTAssertEqual(router.consumePendingOrderScanCode(), "VERIFY001")
+        XCTAssertNil(router.consumePendingOrderScanCode())
+    }
+
+    /// 测试重置主路由时会清理未消费的扫码结果。
+    func testResetClearsPendingOrderScanCode() {
+        let router = AppRouter()
+        router.routeToOrderVerification(scannedCode: "VERIFY001")
+
+        router.reset()
+
+        XCTAssertEqual(router.selectedTab, .home)
+        XCTAssertEqual(router.selectedOrdersEntry, .storeOrders)
+        XCTAssertNil(router.pendingOrderScanCode)
+    }
+
     /// 测试订单模块真实路由可被压入导航栈。
     func testOrderRoutesCanBePushedIntoRouterPath() throws {
         let router = RouterPath()