fix(auth): add name to JWT payload, fix phone-user session restore

JWT payload was missing 'name' field — phone-invited users showed
empty name after app restart (session restore from JWT).
Also added phone fallback in Flutter _decodeUserFromJwt.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

it0_app/lib/features/auth/data/providers/auth_provider.dart

@@ -114,8 +114,9 @@ class AuthNotifier extends StateNotifier<AuthState> {
       ) as Map<String, dynamic>;
       return AuthUser(
         id: payload['sub'] as String,
-        email: payload['email'] as String? ?? '',
+        email: payload['email'] as String?,
-        name: payload['name'] as String? ?? payload['email'] as String? ?? '',
+        phone: payload['phone'] as String?,
+        name: payload['name'] as String? ?? payload['email'] as String? ?? payload['phone'] as String? ?? '',
         roles: (payload['roles'] as List?)?.cast<String>() ?? [],
         tenantId: payload['tenantId'] as String?,
       );

packages/services/auth-service/src/application/services/auth.service.ts

@@ -714,6 +714,7 @@ export class AuthService {
       sub: user.id,
       email: user.email,
       phone: user.phone,
+      name: user.name,
       tenantId: user.tenantId,
       roles: user.roles,
     };

packages/services/auth-service/src/infrastructure/strategies/jwt.strategy.ts

@@ -6,6 +6,7 @@ export interface JwtPayload {
   sub: string;
   email?: string;
   phone?: string;
+  name?: string;
   tenantId: string;
   roles: string[];
 }