fix: use v9 store status for deregistration login

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