add phpstan and fix some errors

composer.json

@@ -9,6 +9,7 @@
     "ext-json": "*",
     "ext-pdo": "*",
     "ext-pdo_sqlite": "*",
-    "twig/twig":"^2.0"
+    "twig/twig":"^2.0",
+    "phpstan/phpstan": "*"
   }
 }

src/Controller/Api/APITacticController.php

@@ -29,7 +29,7 @@ class APITacticController {
         ], function (HttpRequest $request) use ($tactic_id) {
             $this->model->updateName($tactic_id, $request["name"]);
             return HttpResponse::fromCode(HttpCodes::OK);
-        });
+        }, true);
     }
 
     public function newTactic(): HttpResponse {
@@ -39,7 +39,7 @@ class APITacticController {
             $tactic = $this->model->makeNew($request["name"]);
             $id = $tactic->getId();
             return new JsonHttpResponse(["id" => $id]);
-        });
+        }, true);
     }
 
     public function getTacticInfo(int $id): HttpResponse {