merge: integrate sccsbc release preparation safely

health_app/lib/pages/auth/login_page.dart

@@ -1,7 +1,10 @@
-import 'package:flutter/material.dart';
+import 'dart:io' show Platform;
+
 import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
+import 'package:sign_in_with_apple/sign_in_with_apple.dart';
 import '../../core/app_colors.dart';
 import '../../core/app_design_tokens.dart';
 import '../../core/navigation_provider.dart';
@@ -73,6 +76,66 @@ class _LoginPageState extends ConsumerState<LoginPage> {
     }
   }
 
+  // Apple 登录
+  Future<void> _appleSignIn() async {
+    if (_loading) return;
+    if (!_agreed) {
+      final accepted = await _showAgreementDialog();
+      if (!mounted || accepted != true) return;
+      setState(() => _agreed = true);
+    }
+    setState(() {
+      _loading = true;
+      _error = null;
+      _successMsg = null;
+    });
+
+    try {
+      final credential = await SignInWithApple.getAppleIDCredential(
+        scopes: [AppleIDAuthorizationScopes.fullName],
+      );
+
+      final identityToken = credential.identityToken;
+      if (identityToken == null) {
+        if (mounted) {
+          setState(() {
+            _loading = false;
+            _error = 'Apple 登录未返回身份信息，请重试';
+          });
+        }
+        return;
+      }
+
+      final name = '${credential.familyName ?? ''}${credential.givenName ?? ''}'
+          .trim();
+
+      final err = await ref
+          .read(authProvider.notifier)
+          .appleLogin(
+            identityToken,
+            credential.authorizationCode,
+            name.isEmpty ? null : name,
+          );
+      if (mounted) {
+        setState(() => _loading = false);
+        if (err != null) {
+          setState(() => _error = err);
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _loading = false;
+          if (e is SignInWithAppleAuthorizationException) {
+            _error = 'Apple 登录已取消';
+          } else {
+            _error = 'Apple 登录失败，请稍后重试';
+          }
+        });
+      }
+    }
+  }
+
   Future<void> _submit() async {
     if (_phoneCtrl.text.trim().isEmpty || _codeCtrl.text.trim().isEmpty) {
       setState(() => _error = '请输入手机号和验证码');
@@ -500,6 +563,20 @@ class _LoginPageState extends ConsumerState<LoginPage> {
                                       label: _isLogin ? '登录' : '注册',
                                       onTap: _loading ? null : _submit,
                                     ),
+                                    if (_isLogin &&
+                                        (Platform.isIOS ||
+                                            Platform.isMacOS)) ...[
+                                      const SizedBox(height: 20),
+                                      SignInWithAppleButton(
+                                        onPressed: _loading
+                                            ? () {}
+                                            : _appleSignIn,
+                                        style: SignInWithAppleButtonStyle
+                                            .whiteOutlined,
+                                        height: 48,
+                                        text: '通过 Apple 登录',
+                                      ),
+                                    ],
                                     const SizedBox(height: 16),
                                     GestureDetector(
                                       onTap: () => setState(() {