Add managed registry provisioning, pruning, and readiness tracking

app/Actions/Environments/PlanEnvironmentDeployment.php

@@ -7,9 +7,14 @@ use App\Enums\DeployPolicy;
 use App\Enums\EnvironmentAttachmentRole;
 use App\Enums\SchedulerMode;
 use App\Models\Environment;
+use App\Services\Registries\RegistryResolver;
 
 class PlanEnvironmentDeployment
 {
+    public function __construct(
+        private readonly RegistryResolver $registryResolver,
+    ) {}
+
     public function execute(Environment $environment): EnvironmentDeploymentPlan
     {
         $environment->loadMissing([
@@ -40,9 +45,9 @@ class PlanEnvironmentDeployment
         return new EnvironmentDeploymentPlan(
             services: $deployableServices->all(),
             dependencies: $dependencies->all(),
-            requiresRegistry: $targetServerCount > 1 && $environment->application->organisation->registries()->doesntExist(),
+            requiresRegistry: $targetServerCount > 1 && ! $this->registryResolver->buildRegistryFor($environment->application->organisation),
             warnings: $this->warnings($environment),
-            blockers: $this->blockers($environment),
+            blockers: $this->blockers($environment, $targetServerCount),
         );
     }
 
@@ -74,18 +79,28 @@ class PlanEnvironmentDeployment
     /**
      * @return array<int, string>
      */
-    private function blockers(Environment $environment): array
+    private function blockers(Environment $environment, int $targetServerCount): array
     {
+        $blockers = [];
+
+        if ($targetServerCount > 1 && ! $this->registryResolver->buildRegistryFor($environment->application->organisation)) {
+            $blocker = $this->registryResolver->managedRegistryBlockerFor($environment->application->organisation);
+
+            if ($blocker !== null) {
+                $blockers[] = $blocker;
+            }
+        }
+
         if (! $environment->scheduler_enabled || $environment->scheduler_mode !== SchedulerMode::SINGLE) {
-            return [];
+            return $blockers;
         }
 
         $target = $environment->services->firstWhere('id', $environment->scheduler_target_service_id);
 
         if ($target && $target->desired_replicas > 1 && in_array('scheduler', $target->process_roles ?? [], true)) {
-            return ['Scheduler mode single requires the scheduler target service to run exactly one replica.'];
+            $blockers[] = 'Scheduler mode single requires the scheduler target service to run exactly one replica.';
         }
 
-        return [];
+        return $blockers;
     }
 }