fix: use v9 store status for deregistration login

suixinkan/UI/Login/AccountSelectionViewController.swift

@@ -164,6 +164,16 @@ final class AccountSelectionViewController: UIViewController, UITableViewDelegat
 
     @objc private func confirmTapped() {
         guard canConfirm, let selectedAccount else { return }
+        if selectedAccount.requiresDeregistrationConfirmation {
+            present(
+                makeDeregistrationLoginAlert(
+                    account: selectedAccount,
+                    onConfirm: { [weak self] in self?.onConfirm(selectedAccount) }
+                ),
+                animated: true
+            )
+            return
+        }
         onConfirm(selectedAccount)
     }
 
@@ -177,6 +187,23 @@ final class AccountSelectionViewController: UIViewController, UITableViewDelegat
     }
 }
 
+/// 创建冷静期账号登录确认弹窗，确认后 `set-user` 会由后端自动撤销原注销申请。
+func makeDeregistrationLoginAlert(
+    account: AccountSwitchAccount,
+    onConfirm: @escaping () -> Void
+) -> UIAlertController {
+    let accountName = account.title.trimmingCharacters(in: .whitespacesAndNewlines)
+    let displayName = accountName.isEmpty ? "该门店账号" : "“\(accountName)”"
+    let alert = UIAlertController(
+        title: "该账号正在注销",
+        message: "\(displayName)已提交注销申请，目前处于冷静期。确认登录后，将自动撤销之前的注销申请。",
+        preferredStyle: .alert
+    )
+    alert.addAction(UIAlertAction(title: "暂不登录", style: .cancel))
+    alert.addAction(UIAlertAction(title: "确认登录", style: .default) { _ in onConfirm() })
+    return alert
+}
+
 /// 账号选择列表 Cell。
 private final class AccountSelectionCell: UITableViewCell {
     static let reuseIdentifier = "AccountSelectionCell"

suixinkan/UI/Login/LoginViewController.swift

@@ -290,6 +290,8 @@ final class LoginViewController: BaseViewController {
                     completeLogin(with: response, account: account)
                 case .needsAccountSelection:
                     break
+                case let .needsDeregistrationConfirmation(confirmation):
+                    presentDeregistrationLoginConfirmation(confirmation)
                 }
             } catch is CancellationError {
                 return
@@ -335,6 +337,31 @@ final class LoginViewController: BaseViewController {
         }
     }
 
+    private func presentDeregistrationLoginConfirmation(_ confirmation: DeregistrationLoginConfirmation) {
+        let alert = makeDeregistrationLoginAlert(
+            account: confirmation.account,
+            onConfirm: { [weak self] in
+                self?.confirmDeregistrationLogin(confirmation)
+            }
+        )
+        present(alert, animated: true)
+    }
+
+    private func confirmDeregistrationLogin(_ confirmation: DeregistrationLoginConfirmation) {
+        Task {
+            showLoading()
+            defer { hideLoading() }
+            do {
+                let response = try await viewModel.confirmDeregistrationLogin(confirmation, authAPI: authAPI)
+                completeLogin(with: response, account: confirmation.account)
+            } catch is CancellationError {
+                return
+            } catch {
+                showToast(error.localizedDescription)
+            }
+        }
+    }
+
     private func completeLogin(with response: V9AuthResponse, account: AccountSwitchAccount) {
         AuthSessionHelper.completeLogin(
             with: response,

suixinkan/UI/Login/LoginViewModel.swift

@@ -130,6 +130,28 @@ final class LoginViewModel {
         guard let payload = pendingAccountSelection, payload.hasTempToken else {
             throw LoginFlowError.missingToken
         }
+        let response = try await setUser(account, tempToken: payload.tempToken, authAPI: authAPI)
+        pendingAccountSelection = nil
+        notifyStateChange()
+        return response
+    }
+
+    /// 用户确认登录冷静期账号后继续换取正式 token；`set-user` 成功即由后端撤销原注销申请。
+    func confirmDeregistrationLogin(
+        _ confirmation: DeregistrationLoginConfirmation,
+        authAPI: AuthAPI
+    ) async throws -> V9AuthResponse {
+        try await setUser(confirmation.account, tempToken: confirmation.tempToken, authAPI: authAPI)
+    }
+
+    private func setUser(
+        _ account: AccountSwitchAccount,
+        tempToken: String,
+        authAPI: AuthAPI
+    ) async throws -> V9AuthResponse {
+        guard !tempToken.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
+            throw LoginFlowError.missingToken
+        }
         guard account.businessUserId > 0 else {
             throw LoginFlowError.invalidAccount
         }
@@ -144,12 +166,10 @@ final class LoginViewModel {
             notifyStateChange()
         }
 
-        let response = try await authAPI.setUser(account.toSetUserRequest(), tokenOverride: payload.tempToken)
+        let response = try await authAPI.setUser(account.toSetUserRequest(), tokenOverride: tempToken)
         guard !response.token.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
             throw LoginFlowError.missingToken
         }
-        pendingAccountSelection = nil
-        notifyStateChange()
         return response
     }
 
@@ -178,6 +198,11 @@ final class LoginViewModel {
         }
 
         if accounts.count == 1, let account = accounts.first {
+            if account.requiresDeregistrationConfirmation {
+                return .needsDeregistrationConfirmation(
+                    DeregistrationLoginConfirmation(tempToken: token, account: account)
+                )
+            }
             let finalResponse = try await authAPI.setUser(account.toSetUserRequest(), tokenOverride: token)
             guard !finalResponse.token.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
                 throw LoginFlowError.missingToken