feat: sugerencias como diálogo in-app con JWT en lugar de abrir browser

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

lib/ui/views/support_view.dart

@@ -1,5 +1,6 @@
 import 'package:prosapp_web_app/models/setting.dart';
 import 'package:prosapp_web_app/providers/settings_provider.dart';
+import 'package:prosapp_web_app/services/api_service.dart';
 import 'package:prosapp_web_app/ui/cards/white_card.dart';
 import 'package:flutter/material.dart';
 import 'package:prosapp_web_app/ui/labels/custom_labels.dart';
@@ -34,9 +35,81 @@ class SupportView extends StatelessWidget {
     await _launchURL(url);
   }
 
-  Future<void> _goSugerencias() async {
-    const url = 'https://admin.prosapp.co/sugerencias';
-    await _launchURL(url);
+  Future<void> _goSugerencias(BuildContext context) async {
+    final controller = TextEditingController();
+    final api = ApiService.instance;
+    bool sending = false;
+
+    await showDialog(
+      context: context,
+      builder: (ctx) => StatefulBuilder(
+        builder: (ctx, setState) => AlertDialog(
+          title: const Text('Enviar sugerencia'),
+          content: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              const Text(
+                'Cuéntanos cómo podemos mejorar ProsApp',
+                style: TextStyle(fontSize: 14),
+              ),
+              const SizedBox(height: 16),
+              TextField(
+                controller: controller,
+                maxLines: 4,
+                decoration: const InputDecoration(
+                  hintText: 'Escribe tu sugerencia aquí...',
+                  border: OutlineInputBorder(),
+                ),
+              ),
+            ],
+          ),
+          actions: [
+            TextButton(
+              onPressed: sending ? null : () => Navigator.pop(ctx),
+              child: const Text('Cancelar'),
+            ),
+            FilledButton(
+              onPressed: sending
+                  ? null
+                  : () async {
+                      final msg = controller.text.trim();
+                      if (msg.isEmpty) return;
+                      setState(() => sending = true);
+                      try {
+                        await api.post('/suggestions', {'message': msg});
+                        if (ctx.mounted) {
+                          Navigator.pop(ctx);
+                          ScaffoldMessenger.of(context).showSnackBar(
+                            const SnackBar(
+                              content: Text('¡Gracias por tu sugerencia!'),
+                              backgroundColor: Colors.green,
+                            ),
+                          );
+                        }
+                      } catch (_) {
+                        setState(() => sending = false);
+                        if (ctx.mounted) {
+                          ScaffoldMessenger.of(context).showSnackBar(
+                            const SnackBar(
+                              content: Text('Error al enviar. Intenta de nuevo.'),
+                              backgroundColor: Colors.red,
+                            ),
+                          );
+                        }
+                      }
+                    },
+              child: sending
+                  ? const SizedBox(
+                      width: 16,
+                      height: 16,
+                      child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white),
+                    )
+                  : const Text('Enviar'),
+            ),
+          ],
+        ),
+      ),
+    );
   }
 
   Future<void> _goPoliticas(String urlText) async {
@@ -137,7 +210,7 @@ class SupportView extends StatelessWidget {
                               context,
                               icon: Icons.feedback,
                               text: 'Sugerencias',
-                              onPressed: _goSugerencias,
+                              onPressed: () => _goSugerencias(context),
                             ),
                             _buildGridButton(
                               context,