Integrate Amap SDK to replace CoreLocation and MapKit for all location features.

Unify GPS, reverse geocoding, and map display behind LocationProvider with privacy-gated bootstrap after login, aligned with Android.

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

suixinkan/UI/Login/LoginViewController.swift

@@ -3,6 +3,7 @@
 //  suixinkan
 //
 
+import SafariServices
 import SnapKit
 import UIKit
 
@@ -212,10 +213,10 @@ final class LoginViewController: BaseViewController {
             self?.showToast("注册待接入")
         }
         viewModel.onUserAgreement = { [weak self] in
-            self?.showToast("用户协议待接入")
+            self?.openAgreementURL(AppAgreementURLs.userAgreement)
         }
         viewModel.onPrivacyPolicy = { [weak self] in
-            self?.showToast("隐私政策待接入")
+            self?.openAgreementURL(AppAgreementURLs.privacyPolicy)
         }
     }
 
@@ -345,6 +346,11 @@ final class LoginViewController: BaseViewController {
         view.endEditing(true)
         viewModel.onRegister?()
     }
+
+    private func openAgreementURL(_ url: URL) {
+        let controller = SFSafariViewController(url: url)
+        present(controller, animated: true)
+    }
 }
 
 extension LoginViewController: UIGestureRecognizerDelegate {