Implement profile tab with Android-aligned flows and OSS upload.

Add personal info page, account switch, real-name auth, withdrawal settings, session cache extensions, AlibabaCloudOSS SPM, and unit tests.

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

suixinkanTests/RealNameAuthViewModelTests.swift

@@ -0,0 +1,30 @@
+//
+//  RealNameAuthViewModelTests.swift
+//  suixinkanTests
+//
+
+import XCTest
+@testable import suixinkan
+
+/// 实名认证 ViewModel 测试。
+final class RealNameAuthViewModelTests: XCTestCase {
+    func testValidationRequiresSmsCodeWhenNotVerified() {
+        let viewModel = RealNameAuthViewModel()
+        viewModel.updateRealName("张三")
+        viewModel.updateIdCardNo("11010519491231002X")
+
+        XCTAssertEqual(viewModel.validationMessage, "请输入短信验证码")
+    }
+
+    func testIsValidMainlandIDCardNumberChecksChecksum() {
+        XCTAssertTrue(RealNameAuthViewModel.isValidMainlandIDCardNumber("11010519491231002X"))
+        XCTAssertFalse(RealNameAuthViewModel.isValidMainlandIDCardNumber("123"))
+    }
+
+    func testNormalizedIDCardNumberUppercasesSuffix() {
+        XCTAssertEqual(
+            RealNameAuthViewModel.normalizedIDCardNumber("11010519491231002x"),
+            "11010519491231002X"
+        )
+    }
+}