diff --git a/composer.json b/composer.json
index 34c4ae3..787d1f9 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,6 @@
         "mcnd/picea": "dev-master",
         "mcnd/picea-ui": "dev-master",
         "mcnd/cronard": "dev-master",
-        "mcnd/storage": "dev-master",
         "mcnd/tell": "dev-master",
         "mcnd/dump": "dev-master",
         "mcnd/notes": "dev-master",
diff --git a/meta/i18n/en/lean.software.json b/meta/i18n/en/lean.software.json
new file mode 100644
index 0000000..9edde48
--- /dev/null
+++ b/meta/i18n/en/lean.software.json
@@ -0,0 +1,4 @@
+{
+    "copyright" : "All rights reserved © {$organisation} {$year}",
+    "dashboard": "Dashboard"
+}
diff --git a/meta/i18n/fr/lean.software.json b/meta/i18n/fr/lean.software.json
new file mode 100644
index 0000000..1051187
--- /dev/null
+++ b/meta/i18n/fr/lean.software.json
@@ -0,0 +1,4 @@
+{
+    "copyright" : "Tout droits réservés © {$organisation} {$year}",
+    "dashboard": "Tableau de bord"
+}
diff --git a/src/ControllerTrait.php b/src/ControllerTrait.php
index 39d1498..b3914fd 100644
--- a/src/ControllerTrait.php
+++ b/src/ControllerTrait.php
@@ -2,8 +2,10 @@
 
 namespace Lean;
 
-use Picea;
+use Picea,
+    Picea\Ui\Method\FormContext;
 
+use Psr\Http\Message\ServerRequestInterface;
 use Storage\Session;
 
 use Laminas\Diactoros\Response\{ HtmlResponse, TextResponse, RedirectResponse, JsonResponse };
@@ -12,7 +14,7 @@ use Ulmus\EntityCollection;
 
 use Psr\Http\Message\ResponseInterface;
 
-# use TheBugs\Email\MailerInterface;
+use TheBugs\Email\MailerInterface;
 
 use Notes\Route\Annotation\Object\Route as RouteParam,
     Notes\Route\Annotation\Method\Route,
@@ -31,12 +33,23 @@ trait ControllerTrait {
     
     public ? Picea\Picea $picea;
 
-    public MailerInterface $mailer;
-    
-    public function __construct(? Picea\Picea $picea, Session $session/*, MailerInterface $mailer*/) {
+    public ? MailerInterface $mailer;
+
+    public array $contextList = [];
+
+    public function __construct(? Picea\Picea $picea, Session $session, ? MailerInterface $mailer = null) {
         $this->picea = $picea;
         $this->session = $session;
-        // $this->mailer = $mailer;
+        $this->mailer = $mailer;
+    }
+
+    public function exportJson(ServerRequestInterface $request, string $entityClass, bool $includeRelations = true, ? callable $callback = null) : ResponseInterface
+    {
+        foreach($entityClass::repository()->filterServerRequest( $entityClass::searchRequest()->fromRequest($request->withQueryParams($request->getQueryParams() + ['limit' => PHP_INT_MAX,])) )->loadAll() as $entity) {
+            $data[] = $callback ? call_user_func($callback, $entity->toArray($includeRelations)) : $entity->toArray($includeRelations);
+        }
+
+        return $this->renderJson( array_filter($data ?? [], function($row) { return $row !== null; }));
     }
 
     public function renderView(string $view, ?array $variables = null) : ResponseInterface
@@ -54,7 +67,7 @@ trait ControllerTrait {
     protected function redirect(string $url, int $code = 302, array $headers = []) {
         return new RedirectResponse($url, $code, $headers);
     }
-    
+
     public static function renderText(string $html, int $code = 200, array $headers = []) : ResponseInterface
     {
         return new TextResponse($html, $code, $headers);
@@ -69,4 +82,16 @@ trait ControllerTrait {
     {
         return new JsonResponse($data, $code, $headers);
     }
+
+    public function pushContext(FormContext $context) : FormContext
+    {
+        $this->contextList[$context->formName ?? uniqid("context_")] = $context;
+
+        return $context;
+    }
+
+    public function context(string $name) : FormContext
+    {
+        return $this->contextList[$name];
+    }
 }
diff --git a/view/lean/widget/breadcrumb.phtml b/view/lean/widget/breadcrumb.phtml
new file mode 100644
index 0000000..ec135d7
--- /dev/null
+++ b/view/lean/widget/breadcrumb.phtml
@@ -0,0 +1,28 @@
+<ol class="breadcrumb ">
+    <li class="breadcrumb-item"><a href="{% url '' %}"><i class="fas fa-fw fa-tachometer-alt"></i> Tableau de bord</a></li>
+
+    {% foreach $this->breadcrumb ?? [] as $crumb %}
+        <li class="breadcrumb-item {{ ( $crumb['active'] ?? false ) ? 'active' : '' }}">
+            {% if ! ($crumb['active'] ?? false) %}
+            {? $last = $crumb ?}
+
+            <a href="{% url $crumb['url'] %}">
+                {% if $crumb['icon'] ?? false %}
+                <i class="fa fa-{{ $crumb['icon'] }}"></i>
+                {% endif %}
+
+                {{ $crumb['title'] }}
+            </a>
+            {% else %}
+            {% if $crumb['icon'] ?? false %}
+            <i class="fa fa-{{ $crumb['icon'] }}"></i>
+            {% endif %}
+            <span>{{ $crumb['title'] }}</span>
+            {% endif %}
+        </li>
+    {% endforeach %}
+
+    {% if $last ?? false %}
+        <li class="breadcrumb-last-item ml-auto"><a href="{{ url( $last['url']) }}"><i class="fas fa-chevron-circle-left"></i> Retour</a></li>
+    {% endif %}
+</ol>
\ No newline at end of file
diff --git a/view/lean/widget/message.phtml b/view/lean/widget/message.phtml
new file mode 100644
index 0000000..de7412b
--- /dev/null
+++ b/view/lean/widget/message.phtml
@@ -0,0 +1,7 @@
+<div class="message-wrapper">
+    {% foreach array_filter(array_merge($this->contextList, [ $context ?? null ])) as $name => $context %}
+        {% foreach $context->messages ?? [] as $message %}
+            {{= $message->render() }}
+        {% endforeach %}
+    {% endforeach %}
+</div>
\ No newline at end of file