feat(api): add service database management endpoints

Add service database CRUD, logs, and lifecycle actions, and document service application operations with OpenAPI tests.

app/Policies/ServiceDatabasePolicy.php

@@ -32,6 +32,14 @@ class ServiceDatabasePolicy
         return Gate::allows('update', $serviceDatabase->service);
     }
 
+    /**
+     * Determine whether the user can deploy or run lifecycle actions on the parent service stack.
+     */
+    public function deploy(User $user, ServiceDatabase $serviceDatabase): bool
+    {
+        return Gate::allows('deploy', $serviceDatabase->service);
+    }
+
     /**
      * Determine whether the user can delete the model.
      */