Wire dashboard action cards to real actions

- Create Project: opens the CreateTabloModal
- Create Task: navigates to /tasks
- Send Message: navigates to /chat
- Invite Team: shows "Bientôt disponible" info toast

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

apps/main/src/pages/tablo.tsx

@@ -647,7 +647,17 @@ export const TabloPage = () => {
           </div>
         )}
 
-        <DashboardActionCards />
+        <DashboardActionCards
+          onCreateProject={openCreateModal}
+          onCreateTask={() => navigate("/tasks")}
+          onSendMessage={() => navigate("/chat")}
+          onInviteTeam={() =>
+            toast.add(
+              { title: "Bientôt disponible", description: "L'invitation d'équipe sera disponible prochainement", type: "info" },
+              { timeout: 3000 }
+            )
+          }
+        />
 
         <div className="container mx-auto px-4 py-8">
           {filteredTablos && filteredTablos.length > 0 ? (