feat(auth): 接入 Google 登录

- 登录页保留邮箱与 Google 两个入口，Google 按钮按官方规范改为白底四色图标
- 新增 GoogleAuthService：封装 initialize/authenticate，失败以结果对象返回
- AuthApi 增加 googleLogin，AuthController 增加 signInWithGoogle
- iOS 补充 CFBundleURLTypes 与 GIDClientID，Bundle ID 统一为 com.stormg.lumadrama
- Google 请求期间按钮显示转圈并禁止重复点击

pubspec.lock

@@ -207,6 +207,54 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  google_identity_services_web:
+    dependency: transitive
+    description:
+      name: google_identity_services_web
+      sha256: "5d187c46dc59e02646e10fe82665fc3884a9b71bc1c90c2b8b749316d33ee454"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.3.3+1"
+  google_sign_in:
+    dependency: "direct main"
+    description:
+      name: google_sign_in
+      sha256: "521031b65853b4409b8213c0387d57edaad7e2a949ce6dea0d8b2afc9cb29763"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "7.2.0"
+  google_sign_in_android:
+    dependency: transitive
+    description:
+      name: google_sign_in_android
+      sha256: af51a005b7c3c3f54cb5e7d04dd5db96f081e6f92b36468c60d14726a047f918
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "7.2.19"
+  google_sign_in_ios:
+    dependency: transitive
+    description:
+      name: google_sign_in_ios
+      sha256: bc03e8f8cf0e5a5cbbc1d582516e5f792c734f0a41d324d4760dcb8bef523b28
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.4.0"
+  google_sign_in_platform_interface:
+    dependency: transitive
+    description:
+      name: google_sign_in_platform_interface
+      sha256: "7f59208c42b415a3cca203571128d6f84f885fead2d5b53eb65a9e27f2965bb5"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.1.0"
+  google_sign_in_web:
+    dependency: transitive
+    description:
+      name: google_sign_in_web
+      sha256: d473003eeca892f96a01a64fc803378be765071cb0c265ee872c7f8683245d14
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.3"
   hooks:
     dependency: transitive
     description:
@@ -223,6 +271,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.15.7"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.6.0"
   http_parser:
     dependency: transitive
     description:
@@ -779,4 +835,4 @@ packages:
     version: "3.1.4"
 sdks:
   dart: ">=3.13.0 <4.0.0"
-  flutter: ">=3.44.0"
+  flutter: ">=3.47.0"