Fix Host portal showing for users without a linked host profile.

Only show the sidebar link when a host record is linked to the signed-in user, and redirect direct visits to the dashboard with a clear message instead of a 403 page.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Feature/FrontdeskPhase6Test.php

@@ -81,6 +81,32 @@ class FrontdeskPhase6Test extends TestCase
             ->assertSee('Phase6 Host');
     }
 
+    public function test_org_admin_without_linked_host_cannot_access_host_portal(): void
+    {
+        $admin = User::create([
+            'public_id' => 'phase6-admin-001',
+            'name' => 'Org Admin',
+            'email' => 'admin@example.com',
+        ]);
+
+        Member::create([
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'user_ref' => $admin->public_id,
+            'role' => 'org_admin',
+        ]);
+
+        $this->actingAs($admin)
+            ->get(route('frontdesk.dashboard'))
+            ->assertOk()
+            ->assertDontSee('Host portal', false);
+
+        $this->actingAs($admin)
+            ->get(route('frontdesk.host.index'))
+            ->assertRedirect(route('frontdesk.dashboard'))
+            ->assertSessionHas('error');
+    }
+
     public function test_host_can_pre_register_visitor(): void
     {
         $this->actingAs($this->user)