fix(mobile): URL changement mdp corrigée + v3.0 — multi-org, AppAuth, sécurité prod

Auth:
- profile_repository.dart: /api/auth/change-password → /api/membres/auth/change-password

Multi-org (Phase 3):
- OrgSelectorPage, OrgSwitcherBloc, OrgSwitcherEntry
- org_context_service.dart: headers X-Active-Organisation-Id + X-Active-Role

Navigation:
- MorePage: navigation conditionnelle par typeOrganisation
- Suppression adaptive_navigation (remplacé par main_navigation_layout)

Auth AppAuth:
- keycloak_webview_auth_service: fixes AppAuth Android
- AuthBloc: gestion REAUTH_REQUIS + premierLoginComplet

Onboarding:
- Nouveaux états: payment_method_page, onboarding_shared_widgets
- SouscriptionStatusModel mis à jour StatutValidationSouscription

Android:
- build.gradle: ProGuard/R8, network_security_config
- Gradle wrapper mis à jour

lib/features/authentication/presentation/pages/login_page.dart

@@ -4,7 +4,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:google_fonts/google_fonts.dart';
 import 'package:local_auth/local_auth.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 import '../bloc/auth_bloc.dart';
@@ -20,16 +19,11 @@ class LoginPage extends StatefulWidget {
 }
 
 class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
-  final _emailController = TextEditingController();
-  final _passwordController = TextEditingController();
-
   late final AnimationController _fadeController;
   late final AnimationController _slideController;
   late final Animation<double> _fadeAnim;
   late final Animation<Offset> _slideAnim;
 
-  bool _obscurePassword = true;
-  bool _rememberMe = false;
   bool _biometricAvailable = false;
 
   final _localAuth = LocalAuthentication();
@@ -50,15 +44,12 @@ class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     _fadeController.forward();
     _slideController.forward();
     _checkBiometrics();
-    _loadSavedCredentials();
   }
 
   @override
   void dispose() {
     _fadeController.dispose();
     _slideController.dispose();
-    _emailController.dispose();
-    _passwordController.dispose();
     super.dispose();
   }
 
@@ -70,17 +61,6 @@ class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     } catch (_) {}
   }
 
-  Future<void> _loadSavedCredentials() async {
-    final prefs = await SharedPreferences.getInstance();
-    final remember = prefs.getBool('uf_remember_me') ?? false;
-    if (remember && mounted) {
-      setState(() {
-        _rememberMe = true;
-        _emailController.text = prefs.getString('uf_saved_email') ?? '';
-      });
-    }
-  }
-
   Future<void> _authenticateBiometric() async {
     try {
       final ok = await _localAuth.authenticate(
@@ -88,12 +68,7 @@ class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
         options: const AuthenticationOptions(stickyAuth: true, biometricOnly: false),
       );
       if (ok && mounted) {
-        final prefs = await SharedPreferences.getInstance();
-        final email = prefs.getString('uf_saved_email') ?? '';
-        final pass = prefs.getString('uf_saved_pass') ?? '';
-        if (email.isNotEmpty && pass.isNotEmpty) {
-          context.read<AuthBloc>().add(AuthLoginRequested(email, pass));
-        }
+        context.read<AuthBloc>().add(const AuthStatusChecked());
       }
     } catch (_) {}
   }
@@ -110,24 +85,8 @@ class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     } catch (_) {}
   }
 
-  Future<void> _onLogin() async {
-    final email = _emailController.text.trim();
-    final password = _passwordController.text;
-    if (email.isEmpty || password.isEmpty) return;
-
-    if (_rememberMe) {
-      final prefs = await SharedPreferences.getInstance();
-      await prefs.setBool('uf_remember_me', true);
-      await prefs.setString('uf_saved_email', email);
-      await prefs.setString('uf_saved_pass', password);
-    } else {
-      final prefs = await SharedPreferences.getInstance();
-      await prefs.remove('uf_remember_me');
-      await prefs.remove('uf_saved_email');
-      await prefs.remove('uf_saved_pass');
-    }
-
-    if (mounted) context.read<AuthBloc>().add(AuthLoginRequested(email, password));
+  void _onLogin() {
+    context.read<AuthBloc>().add(const AuthLoginRequested());
   }
 
   @override
@@ -267,51 +226,27 @@ class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
           ),
           const SizedBox(height: 12),
 
-          _GlassTextField(
-            controller: _emailController,
-            hint: 'Email ou identifiant',
-            icon: Icons.person_outline_rounded,
-            keyboardType: TextInputType.emailAddress,
-          ),
-          const SizedBox(height: 8),
-
-          _GlassTextField(
-            controller: _passwordController,
-            hint: 'Mot de passe',
-            icon: Icons.lock_outline_rounded,
-            isPassword: true,
-            obscure: _obscurePassword,
-            onToggleObscure: () => setState(() => _obscurePassword = !_obscurePassword),
-          ),
-          const SizedBox(height: 8),
-
-          // Remember me + Forgot password
-          Row(
-            mainAxisAlignment: MainAxisAlignment.spaceBetween,
-            children: [
-              _RememberMeToggle(
-                value: _rememberMe,
-                onChanged: (v) => setState(() => _rememberMe = v),
+          // Forgot password
+          Align(
+            alignment: Alignment.centerRight,
+            child: TextButton(
+              onPressed: _openForgotPassword,
+              style: TextButton.styleFrom(
+                padding: EdgeInsets.zero,
+                minimumSize: Size.zero,
+                tapTargetSize: MaterialTapTargetSize.shrinkWrap,
               ),
-              TextButton(
-                onPressed: _openForgotPassword,
-                style: TextButton.styleFrom(
-                  padding: EdgeInsets.zero,
-                  minimumSize: Size.zero,
-                  tapTargetSize: MaterialTapTargetSize.shrinkWrap,
-                ),
-                child: Text(
-                  'Mot de passe oublié ?',
-                  style: GoogleFonts.roboto(
-                    fontSize: 12,
-                    color: Colors.white,
-                    fontWeight: FontWeight.w600,
-                    decoration: TextDecoration.underline,
-                    decorationColor: Colors.white.withOpacity(0.7),
-                  ),
+              child: Text(
+                'Mot de passe oublié ?',
+                style: GoogleFonts.roboto(
+                  fontSize: 12,
+                  color: Colors.white,
+                  fontWeight: FontWeight.w600,
+                  decoration: TextDecoration.underline,
+                  decorationColor: Colors.white.withOpacity(0.7),
                 ),
               ),
-            ],
+            ),
           ),
           const SizedBox(height: 16),
 
@@ -361,108 +296,6 @@ class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
   }
 }
 
-// ─────────────────────────────────────────────────────────────────────────────
-// Sous-composants privés
-// ─────────────────────────────────────────────────────────────────────────────
-
-class _GlassTextField extends StatelessWidget {
-  const _GlassTextField({
-    required this.controller,
-    required this.hint,
-    required this.icon,
-    this.keyboardType,
-    this.isPassword = false,
-    this.obscure = false,
-    this.onToggleObscure,
-  });
-
-  final TextEditingController controller;
-  final String hint;
-  final IconData icon;
-  final TextInputType? keyboardType;
-  final bool isPassword;
-  final bool obscure;
-  final VoidCallback? onToggleObscure;
-
-  @override
-  Widget build(BuildContext context) {
-    return Container(
-      decoration: BoxDecoration(
-        color: Colors.white.withOpacity(0.13),
-        borderRadius: BorderRadius.circular(8),
-        border: Border.all(color: Colors.white.withOpacity(0.28), width: 1),
-      ),
-      child: TextField(
-        controller: controller,
-        obscureText: isPassword && obscure,
-        keyboardType: keyboardType,
-        style: GoogleFonts.roboto(fontSize: 15, color: Colors.white),
-        decoration: InputDecoration(
-          hintText: hint,
-          hintStyle: GoogleFonts.roboto(fontSize: 14.5, color: Colors.white.withOpacity(0.48)),
-          prefixIcon: Icon(icon, color: Colors.white54, size: 20),
-          suffixIcon: isPassword
-              ? IconButton(
-                  icon: Icon(
-                    obscure ? Icons.visibility_outlined : Icons.visibility_off_outlined,
-                    color: Colors.white54,
-                    size: 20,
-                  ),
-                  onPressed: onToggleObscure,
-                )
-              : null,
-          border: InputBorder.none,
-          contentPadding: const EdgeInsets.symmetric(vertical: 10, horizontal: 4),
-        ),
-      ),
-    );
-  }
-}
-
-class _RememberMeToggle extends StatelessWidget {
-  const _RememberMeToggle({required this.value, required this.onChanged});
-
-  final bool value;
-  final ValueChanged<bool> onChanged;
-
-  @override
-  Widget build(BuildContext context) {
-    return GestureDetector(
-      onTap: () => onChanged(!value),
-      behavior: HitTestBehavior.opaque,
-      child: Row(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          SizedBox(
-            width: 18,
-            height: 18,
-            child: Checkbox(
-              value: value,
-              onChanged: (v) => onChanged(v ?? false),
-              fillColor: WidgetStateProperty.resolveWith((s) {
-                if (s.contains(WidgetState.selected)) return Colors.white;
-                return Colors.transparent;
-              }),
-              checkColor: const Color(0xFF2E7D32),
-              side: const BorderSide(color: Colors.white60, width: 1.5),
-              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(4)),
-              materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
-            ),
-          ),
-          const SizedBox(width: 7),
-          Text(
-            'Se souvenir de moi',
-            style: GoogleFonts.roboto(
-              fontSize: 12,
-              color: Colors.white.withOpacity(0.78),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-}
-
 // ─────────────────────────────────────────────────────────────────────────────
 // Painters
 // ─────────────────────────────────────────────────────────────────────────────