Fix API endpoints to match inou backend

- /api/v1/auth/send (not /api/auth/send-code)
- /api/v1/auth/verify (not /api/auth/verify)
- Check for token in response (not success: true)

lib/services/inou_api.dart

@@ -44,7 +44,7 @@ class InouApi {
   Future<String?> sendLoginCode(String email) async {
     try {
       final response = await http.post(
-        Uri.parse('$baseUrl/api/auth/send-code'),
+        Uri.parse('$baseUrl/api/v1/auth/send'),
         headers: {
           'Content-Type': 'application/json',
           'Accept': 'application/json',
@@ -80,7 +80,7 @@ class InouApi {
   Future<String?> verifyCode(String email, String code) async {
     try {
       final response = await http.post(
-        Uri.parse('$baseUrl/api/auth/verify'),
+        Uri.parse('$baseUrl/api/v1/auth/verify'),
         headers: {
           'Content-Type': 'application/json',
           'Accept': 'application/json',
@@ -101,13 +101,11 @@ class InouApi {
       
       final json = jsonDecode(response.body);
       
-      if (response.statusCode == 200 && json['success'] == true) {
-        // Get session token from response
-        _sessionToken = json['token'] ?? json['session_token'];
+      if (response.statusCode == 200 && json['token'] != null) {
+        // Success - got session token
+        _sessionToken = json['token'];
         _dossierId = json['dossier_id'];
-        if (_sessionToken != null) {
-          await _saveSession();
-        }
+        await _saveSession();
         return null; // Success
       }