fix(canvas): show servers without resources on the servers canvas

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/Services/ServerCanvas.php

@@ -65,6 +65,23 @@ class ServerCanvas
             ->reject(fn (Environment $environment) => $used->has($environment->id))
             ->map(fn (Environment $environment) => $this->canvas->emptyNode($environment->project, $environment, $zoneOf($environment->project), $environment->project->name.' / '.$environment->name, $canEdit))
             ->values();
+        // The canvas draws a zone around its cards, so a server without cards gets a placeholder card.
+        $filled = $nodes->concat($empty)->pluck('zone')->flip();
+        $bare = $servers->reject(fn (Server $server) => $filled->has($server->uuid))->map(fn (Server $server) => [
+            'id' => 'empty-server:'.$server->uuid,
+            'type' => 'empty',
+            'name' => 'No resources yet',
+            'subtitle' => 'Open to see this server',
+            'status' => null,
+            'zone' => $server->uuid,
+            'extra_zones' => [],
+            'urls' => [],
+            'children' => [],
+            'link' => route('server.show', ['server_uuid' => $server->uuid]),
+            'context' => null,
+            'project' => null,
+            'environment' => null,
+        ])->values();
 
         return [
             'title' => $single ? $single->name : 'Servers',
@@ -80,7 +97,7 @@ class ServerCanvas
             'zones' => $servers->map(fn (Server $server) => [...$this->canvas->zone($server, $canReadSensitive), 'details' => $this->details($server)])
                 ->when($empty->contains('zone', EnvironmentCanvas::EMPTY_ZONE), fn (Collection $zones) => $zones->push($this->canvas->emptyZone()))
                 ->values()->all(),
-            'nodes' => $nodes->concat($empty)->all(),
+            'nodes' => $nodes->concat($empty)->concat($bare)->all(),
             'links' => collect($graph['links'])->filter(fn (array $link) => $shown->has($link['source']) && $shown->has($link['target']))->values()->all(),
             'positions' => [],
         ];

tests/Feature/ServerCanvasTest.php

@@ -105,6 +105,24 @@ test('the servers canvas puts empty environments of a project without resources
         ->and(collect($response->json('nodes'))->where('project.uuid', $bare->uuid)->pluck('zone')->all())->toBe([$this->db->uuid]);
 });
 
+test('the servers canvas shows a server without resources as a placeholder card in its zone', function () {
+    serverCanvasApp($this->environment, $this->web, 'storefront');
+    Environment::query()->where('project_id', $this->project->id)->where('name', '!=', 'staging')->delete();
+
+    $response = serverCanvasSession($this, $this->admin, $this->team)
+        ->getJson('/canvas/api/servers/canvas')
+        ->assertOk();
+
+    $placeholder = collect($response->json('nodes'))->firstWhere('zone', $this->db->uuid);
+
+    expect($placeholder)->toMatchArray([
+        'id' => 'empty-server:'.$this->db->uuid,
+        'type' => 'empty',
+        'name' => 'No resources yet',
+        'link' => route('server.show', ['server_uuid' => $this->db->uuid]),
+    ])->and(collect($response->json('nodes'))->where('zone', $this->web->uuid)->pluck('name')->all())->toBe(['storefront']);
+});
+
 test('one server canvas shows only that server, and links that leave it are hidden', function () {
     $app = serverCanvasApp($this->environment, $this->web, 'storefront');
     $api = serverCanvasApp($this->environment, $this->db, 'orders-api');