diff --git a/.idea/app-sf.iml b/.idea/app-sf.iml
index 82e1e39..ec1057e 100644
--- a/.idea/app-sf.iml
+++ b/.idea/app-sf.iml
@@ -5,7 +5,10 @@
       <sourceFolder url="file://$MODULE_DIR$/.devenv/profile/src/Composer" isTestSource="false" packagePrefix="Composer\" />
       <sourceFolder url="file://$MODULE_DIR$/.devenv/profile/tests/Composer/Test" isTestSource="true" packagePrefix="Composer\Test\" />
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" packagePrefix="App\" />
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" packagePrefix="App\Tests\" />
+      <sourceFolder url="file://$MODULE_DIR$/var/cache/dev" isTestSource="false" />
       <excludeFolder url="file://$MODULE_DIR$/.devenv/profile/vendor/composer" />
       <excludeFolder url="file://$MODULE_DIR$/.devenv/profile/vendor/justinrainbow/json-schema" />
       <excludeFolder url="file://$MODULE_DIR$/.devenv/profile/vendor/psr/container" />
@@ -199,6 +202,7 @@
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/ux-chartjs" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/resource-operations" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/twig/string-extra" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/symplify/config-transformer" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
diff --git a/.idea/php.xml b/.idea/php.xml
index aa2a1b7..b6046de 100644
--- a/.idea/php.xml
+++ b/.idea/php.xml
@@ -219,6 +219,7 @@
       <path value="$PROJECT_DIR$/vendor/symfony/amazon-mailer" />
       <path value="$PROJECT_DIR$/vendor/async-aws/ses" />
       <path value="$PROJECT_DIR$/vendor/async-aws/core" />
+      <path value="$PROJECT_DIR$/vendor/symplify/config-transformer" />
     </include_path>
   </component>
   <component name="PhpInterpreters">
diff --git a/composer.json b/composer.json
index af12525..2ef7a93 100644
--- a/composer.json
+++ b/composer.json
@@ -146,6 +146,7 @@
     "symfony/phpunit-bridge": "7.3.*",
     "symfony/stopwatch": "7.3.*",
     "symfony/web-profiler-bundle": "7.3.*",
+    "symplify/config-transformer": "^12.3",
     "vincentlanglet/twig-cs-fixer": "dev-main"
   }
 }
diff --git a/composer.lock b/composer.lock
index f65026a..419ec2a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f459ad30f7f54194e3f29cb05fec14fb",
+    "content-hash": "07dda2568d49823e168caac24aced4cd",
     "packages": [
         {
             "name": "composer/semver",
@@ -904,12 +904,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "9e3ae34de52dd65590c4277d5cdde8f39f12418b"
+                "reference": "a9e64e5ea80184e14a66c262e5bcf3c2cb4a94d7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/9e3ae34de52dd65590c4277d5cdde8f39f12418b",
-                "reference": "9e3ae34de52dd65590c4277d5cdde8f39f12418b",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/a9e64e5ea80184e14a66c262e5bcf3c2cb4a94d7",
+                "reference": "a9e64e5ea80184e14a66c262e5bcf3c2cb4a94d7",
                 "shasum": ""
             },
             "require": {
@@ -922,8 +922,7 @@
                 "phpbench/phpbench": "^1.2",
                 "phpstan/phpstan": "^1.9.4",
                 "phpstan/phpstan-phpunit": "^1.3",
-                "phpunit/phpunit": "^10.5",
-                "vimeo/psalm": "^5.4"
+                "phpunit/phpunit": "^10.5"
             },
             "default-branch": true,
             "type": "library",
@@ -967,7 +966,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-11-25T19:21:52+00:00"
+            "time": "2024-12-02T21:34:17+00:00"
         },
         {
             "name": "doctrine/lexer",
@@ -1343,12 +1342,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/sql-formatter.git",
-                "reference": "b4068e8d1a5168769ce65410bab76a8362e04da0"
+                "reference": "579b67954ca6817a4d5a0a785c654fb7bc849b2e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/sql-formatter/zipball/b4068e8d1a5168769ce65410bab76a8362e04da0",
-                "reference": "b4068e8d1a5168769ce65410bab76a8362e04da0",
+                "url": "https://api.github.com/repos/doctrine/sql-formatter/zipball/579b67954ca6817a4d5a0a785c654fb7bc849b2e",
+                "reference": "579b67954ca6817a4d5a0a785c654fb7bc849b2e",
                 "shasum": ""
             },
             "require": {
@@ -1358,8 +1357,7 @@
                 "doctrine/coding-standard": "^12",
                 "ergebnis/phpunit-slow-test-detector": "^2.14",
                 "phpstan/phpstan": "^1.10",
-                "phpunit/phpunit": "^10.5",
-                "vimeo/psalm": "^5.24"
+                "phpunit/phpunit": "^10.5"
             },
             "default-branch": true,
             "bin": [
@@ -1392,7 +1390,7 @@
                 "issues": "https://github.com/doctrine/sql-formatter/issues",
                 "source": "https://github.com/doctrine/sql-formatter/tree/1.5.x"
             },
-            "time": "2024-11-25T11:48:05+00:00"
+            "time": "2024-12-02T22:10:47+00:00"
         },
         {
             "name": "easycorp/easyadmin-bundle",
@@ -1400,12 +1398,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/EasyCorp/EasyAdminBundle.git",
-                "reference": "2307da58ccfd0569f65943b9a01d49a4f3a71d7d"
+                "reference": "2b49b51ccd128ac3983ef1c585d74d60ee5c6efa"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/EasyCorp/EasyAdminBundle/zipball/2307da58ccfd0569f65943b9a01d49a4f3a71d7d",
-                "reference": "2307da58ccfd0569f65943b9a01d49a4f3a71d7d",
+                "url": "https://api.github.com/repos/EasyCorp/EasyAdminBundle/zipball/2b49b51ccd128ac3983ef1c585d74d60ee5c6efa",
+                "reference": "2b49b51ccd128ac3983ef1c585d74d60ee5c6efa",
                 "shasum": ""
             },
             "require": {
@@ -1489,7 +1487,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-11-29T18:27:19+00:00"
+            "time": "2024-12-02T19:53:15+00:00"
         },
         {
             "name": "egulias/email-validator",
@@ -1893,12 +1891,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/meilisearch/meilisearch-symfony.git",
-                "reference": "d46b2da1865ef228aaca67eeac9e6851022dbeaf"
+                "reference": "345bb2b18ec0a962a8a12d0ae0e8088c2ebf0641"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/meilisearch/meilisearch-symfony/zipball/d46b2da1865ef228aaca67eeac9e6851022dbeaf",
-                "reference": "d46b2da1865ef228aaca67eeac9e6851022dbeaf",
+                "url": "https://api.github.com/repos/meilisearch/meilisearch-symfony/zipball/345bb2b18ec0a962a8a12d0ae0e8088c2ebf0641",
+                "reference": "345bb2b18ec0a962a8a12d0ae0e8088c2ebf0641",
                 "shasum": ""
             },
             "require": {
@@ -1963,9 +1961,9 @@
             ],
             "support": {
                 "issues": "https://github.com/meilisearch/meilisearch-symfony/issues",
-                "source": "https://github.com/meilisearch/meilisearch-symfony/tree/main"
+                "source": "https://github.com/meilisearch/meilisearch-symfony/tree/v0.15.7"
             },
-            "time": "2024-12-01T18:32:28+00:00"
+            "time": "2024-12-03T12:49:45+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -3300,12 +3298,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-runtime/frankenphp-symfony.git",
-                "reference": "38a5dfa1b1e40d8e0b3bbc91d84a03cf4e65fcf4"
+                "reference": "34b8c25e4b1043dec2a51dfebbc776260acf1921"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-runtime/frankenphp-symfony/zipball/38a5dfa1b1e40d8e0b3bbc91d84a03cf4e65fcf4",
-                "reference": "38a5dfa1b1e40d8e0b3bbc91d84a03cf4e65fcf4",
+                "url": "https://api.github.com/repos/php-runtime/frankenphp-symfony/zipball/34b8c25e4b1043dec2a51dfebbc776260acf1921",
+                "reference": "34b8c25e4b1043dec2a51dfebbc776260acf1921",
                 "shasum": ""
             },
             "require": {
@@ -3345,7 +3343,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-06-14T20:56:26+00:00"
+            "time": "2024-12-03T16:13:06+00:00"
         },
         {
             "name": "sensiolabs/typescript-bundle",
@@ -10442,12 +10440,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "f8d27d5b81b23d9b679ca2ccac09261c461a15f4"
+                "reference": "927be0d98b92d1b0636d78e95bf9a7ba6042a5c8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/f8d27d5b81b23d9b679ca2ccac09261c461a15f4",
-                "reference": "f8d27d5b81b23d9b679ca2ccac09261c461a15f4",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/927be0d98b92d1b0636d78e95bf9a7ba6042a5c8",
+                "reference": "927be0d98b92d1b0636d78e95bf9a7ba6042a5c8",
                 "shasum": ""
             },
             "require": {
@@ -10493,7 +10491,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-12-02T07:51:15+00:00"
+            "time": "2024-12-03T14:24:47+00:00"
         },
         {
             "name": "phpstan/phpstan-doctrine",
@@ -13151,6 +13149,48 @@
             ],
             "time": "2024-11-19T10:12:55+00:00"
         },
+        {
+            "name": "symplify/config-transformer",
+            "version": "12.3.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symplify/config-transformer.git",
+                "reference": "9fb4f5acf7ec4261ba426bee9eb7aeed174eb600"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symplify/config-transformer/zipball/9fb4f5acf7ec4261ba426bee9eb7aeed174eb600",
+                "reference": "9fb4f5acf7ec4261ba426bee9eb7aeed174eb600",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "bin": [
+                "bin/config-transformer"
+            ],
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Prefixed version of Symfony YAML/XML to PHP/YAML config converter",
+            "support": {
+                "issues": "https://github.com/symplify/config-transformer/issues",
+                "source": "https://github.com/symplify/config-transformer/tree/12.3.4"
+            },
+            "funding": [
+                {
+                    "url": "https://www.paypal.me/rectorphp",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/tomasvotruba",
+                    "type": "github"
+                }
+            ],
+            "time": "2024-01-15T21:58:26+00:00"
+        },
         {
             "name": "theseer/tokenizer",
             "version": "1.2.3",
diff --git a/config/packages/asset_mapper.php b/config/packages/asset_mapper.php
new file mode 100644
index 0000000..04de67d
--- /dev/null
+++ b/config/packages/asset_mapper.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\FrameworkConfig;
+
+return static function (FrameworkConfig $frameworkConfig): void {
+    $frameworkConfig->assetMapper()
+        ->path('assets/', '')
+        ->path('vendor/twbs/bootstrap/', '')
+        ->excludedPatterns([
+            '*/assets/styles/_*.scss',
+            '*/assets/styles/**/_*.scss',
+        ]);
+};
diff --git a/config/packages/asset_mapper.yaml b/config/packages/asset_mapper.yaml
deleted file mode 100644
index 03dc576..0000000
--- a/config/packages/asset_mapper.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-framework:
-  asset_mapper:
-    # The paths to make available to the asset mapper.
-    paths:
-      - assets/
-      - vendor/twbs/bootstrap/
-    excluded_patterns:
-      - "*/assets/styles/_*.scss"
-      - "*/assets/styles/**/_*.scss"
-sensiolabs_typescript:
-  source_dir:
-    - "%kernel.project_dir%/assets/app"
-    - "%kernel.project_dir%/assets/controllers"
diff --git a/config/packages/cache.php b/config/packages/cache.php
new file mode 100644
index 0000000..e2a2091
--- /dev/null
+++ b/config/packages/cache.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\FrameworkConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\param;
+
+return static function (FrameworkConfig $frameworkConfig): void {
+    $frameworkConfig->cache()
+        ->prefixSeed('database_playground/app')
+        ->app('cache.adapter.redis_tag_aware')
+        ->defaultRedisProvider(param('app.redis_uri'));
+};
diff --git a/config/packages/cache.yaml b/config/packages/cache.yaml
deleted file mode 100644
index 5236446..0000000
--- a/config/packages/cache.yaml
+++ /dev/null
@@ -1,23 +0,0 @@
-framework:
-  cache:
-    prefix_seed: "database_playground/app"
-
-    app: cache.adapter.redis_tag_aware
-    default_redis_provider: "%app.redis_uri%"
-    # Unique name of your app: used to compute stable namespaces for cache keys.
-    #prefix_seed: your_vendor_name/app_name
-
-    # The "app" cache stores to the filesystem by default.
-    # The data in this cache should persist between deploys.
-    # Other options include:
-
-    # Redis
-    #app: cache.adapter.redis
-    #default_redis_provider: redis://localhost
-
-    # APCu (not recommended with heavy random-write workloads as memory fragmentation can cause perf issues)
-    #app: cache.adapter.apcu
-
-    # Namespaced pools use the above "app" backend by default
-    #pools:
-#my.dedicated.cache: null
diff --git a/config/packages/csrf.php b/config/packages/csrf.php
new file mode 100644
index 0000000..352483f
--- /dev/null
+++ b/config/packages/csrf.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\FrameworkConfig;
+
+return static function (FrameworkConfig $frameworkConfig): void {
+    $frameworkConfig
+        ->form()
+            ->csrfProtection()
+                ->tokenId('submit');
+
+    $frameworkConfig
+        ->csrfProtection()
+            ->statelessTokenIds(['submit', 'authenticate', 'logout']);
+};
diff --git a/config/packages/csrf.yaml b/config/packages/csrf.yaml
deleted file mode 100644
index dd07de8..0000000
--- a/config/packages/csrf.yaml
+++ /dev/null
@@ -1,11 +0,0 @@
-# Enable stateless CSRF protection for forms and logins/logouts
-framework:
-  form:
-    csrf_protection:
-      token_id: submit
-
-  csrf_protection:
-    stateless_token_ids:
-      - submit
-      - authenticate
-      - logout
diff --git a/config/packages/debug.php b/config/packages/debug.php
new file mode 100644
index 0000000..457cce8
--- /dev/null
+++ b/config/packages/debug.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\DebugConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+
+return static function (ContainerConfigurator $containerConfigurator, DebugConfig $debugConfig): void {
+    if ('dev' === $containerConfigurator->env()) {
+        // Forwards VarDumper Data clones to a centralized server allowing to inspect dumps on CLI or in your browser.
+        // See the "server:dump" command to start a new server.
+        $debugConfig->dumpDestination('tcp://'.env('VAR_DUMPER_SERVER'));
+    }
+};
diff --git a/config/packages/debug.yaml b/config/packages/debug.yaml
deleted file mode 100644
index ce519f3..0000000
--- a/config/packages/debug.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-when@dev:
-  debug:
-    # Forwards VarDumper Data clones to a centralized server allowing to inspect dumps on CLI or in your browser.
-    # See the "server:dump" command to start a new server.
-    dump_destination: "tcp://%env(VAR_DUMPER_SERVER)%"
diff --git a/config/packages/doctrine.php b/config/packages/doctrine.php
new file mode 100644
index 0000000..5979af8
--- /dev/null
+++ b/config/packages/doctrine.php
@@ -0,0 +1,117 @@
+<?php
+
+declare(strict_types=1);
+
+use Oro\ORM\Query\AST\Functions\Cast;
+use Oro\ORM\Query\AST\Functions\DateTime\ConvertTz;
+use Oro\ORM\Query\AST\Functions\Numeric\Pow;
+use Oro\ORM\Query\AST\Functions\Numeric\Round;
+use Oro\ORM\Query\AST\Functions\Numeric\Sign;
+use Oro\ORM\Query\AST\Functions\Numeric\TimestampDiff;
+use Oro\ORM\Query\AST\Functions\SimpleFunction;
+use Oro\ORM\Query\AST\Functions\String\ConcatWs;
+use Oro\ORM\Query\AST\Functions\String\DateFormat;
+use Oro\ORM\Query\AST\Functions\String\GroupConcat;
+use Oro\ORM\Query\AST\Functions\String\Replace;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\DoctrineConfig;
+use Symfony\Config\FrameworkConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+use function Symfony\Component\DependencyInjection\Loader\Configurator\param;
+
+return static function (ContainerConfigurator $containerConfigurator, DoctrineConfig $doctrineConfig, FrameworkConfig $frameworkConfig): void {
+    $dbalConfig = $doctrineConfig->dbal();
+    $dbalConfig
+        ->connection('default')
+        ->url(env('DATABASE_URL')->resolve())
+        ->profilingCollectBacktrace(param('kernel.debug'))
+        ->useSavepoints(true);
+
+    $ormConfig = $doctrineConfig->orm();
+    $ormConfig
+        ->autoGenerateProxyClasses(true)
+        ->enableLazyGhostObjects(true);
+
+    $entityManager = $ormConfig->entityManager('default');
+    $entityManager
+        ->reportFieldsWhereDeclared(true)
+        ->validateXmlMapping(true)
+        ->namingStrategy('doctrine.orm.naming_strategy.underscore_number_aware')
+        ->autoMapping(true)
+        ->mapping('App', [
+            'type' => 'attribute',
+            'is_bundle' => false,
+            'dir' => '%kernel.project_dir%/src/Entity',
+            'prefix' => 'App\Entity',
+            'alias' => 'App',
+        ]);
+
+    $ormConfig
+        ->controllerResolver()
+        ->autoMapping(true);
+
+    $entityManager->dql()
+        ->datetimeFunction('date', SimpleFunction::class)
+        ->datetimeFunction('time', SimpleFunction::class)
+        ->datetimeFunction('timestamp', SimpleFunction::class)
+        ->datetimeFunction('convert_tz', ConvertTz::class)
+        ->numericFunction('timestampdiff', TimestampDiff::class)
+        ->numericFunction('dayofyear', SimpleFunction::class)
+        ->numericFunction('dayofmonth', SimpleFunction::class)
+        ->numericFunction('dayofweek', SimpleFunction::class)
+        ->numericFunction('week', SimpleFunction::class)
+        ->numericFunction('day', SimpleFunction::class)
+        ->numericFunction('hour', SimpleFunction::class)
+        ->numericFunction('minute', SimpleFunction::class)
+        ->numericFunction('month', SimpleFunction::class)
+        ->numericFunction('quarter', SimpleFunction::class)
+        ->numericFunction('second', SimpleFunction::class)
+        ->numericFunction('year', SimpleFunction::class)
+        ->numericFunction('sign', Sign::class)
+        ->numericFunction('pow', Pow::class)
+        ->numericFunction('round', Round::class)
+        ->numericFunction('ceil', SimpleFunction::class)
+        ->stringFunction('md5', SimpleFunction::class)
+        ->stringFunction('group_concat', GroupConcat::class)
+        ->stringFunction('concat_ws', ConcatWs::class)
+        ->stringFunction('cast', Cast::class)
+        ->stringFunction('replace', Replace::class)
+        ->stringFunction('date_format', DateFormat::class);
+
+    if ('test' === $containerConfigurator->env()) {
+        $dbalConfig
+            ->connection('default')
+            // "TEST_TOKEN" is typically set by ParaTest
+            ->dbnameSuffix('_test.%env(default::TEST_TOKEN)%');
+    }
+
+    if ('prod' === $containerConfigurator->env()) {
+        $systemCachePool = 'doctrine.system_cache_pool';
+        $resultCachePool = 'doctrine.result_cache_pool';
+
+        $ormConfig
+            ->autoGenerateProxyClasses(false)
+            ->proxyDir('%kernel.build_dir%/doctrine/orm/Proxies');
+
+        $entityManager
+            ->queryCacheDriver([
+                'type' => 'pool',
+                'pool' => $systemCachePool,
+            ]);
+
+        $entityManager
+            ->resultCacheDriver([
+                'type' => 'pool',
+                'pool' => $resultCachePool,
+            ]);
+
+        $cache = $frameworkConfig->cache();
+        $cache->pool($systemCachePool, [
+            'adapter' => 'cache.system',
+        ]);
+        $cache->pool($resultCachePool, [
+            'adapter' => 'cache.app',
+        ]);
+    }
+};
diff --git a/config/packages/doctrine.yaml b/config/packages/doctrine.yaml
deleted file mode 100644
index 4c49cfc..0000000
--- a/config/packages/doctrine.yaml
+++ /dev/null
@@ -1,82 +0,0 @@
-doctrine:
-  dbal:
-    url: "%env(resolve:DATABASE_URL)%"
-
-    # IMPORTANT: You MUST configure your server version,
-    # either here or in the DATABASE_URL env var (see .env file)
-    #server_version: '16'
-
-    profiling_collect_backtrace: "%kernel.debug%"
-    use_savepoints: true
-  orm:
-    auto_generate_proxy_classes: true
-    enable_lazy_ghost_objects: true
-    report_fields_where_declared: true
-    validate_xml_mapping: true
-    naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
-    auto_mapping: true
-    mappings:
-      App:
-        type: attribute
-        is_bundle: false
-        dir: "%kernel.project_dir%/src/Entity"
-        prefix: 'App\Entity'
-        alias: App
-    controller_resolver:
-      auto_mapping: false
-    dql:
-      datetime_functions:
-        date: Oro\ORM\Query\AST\Functions\SimpleFunction
-        time: Oro\ORM\Query\AST\Functions\SimpleFunction
-        timestamp: Oro\ORM\Query\AST\Functions\SimpleFunction
-        convert_tz: Oro\ORM\Query\AST\Functions\DateTime\ConvertTz
-      numeric_functions:
-        timestampdiff: Oro\ORM\Query\AST\Functions\Numeric\TimestampDiff
-        dayofyear: Oro\ORM\Query\AST\Functions\SimpleFunction
-        dayofmonth: Oro\ORM\Query\AST\Functions\SimpleFunction
-        dayofweek: Oro\ORM\Query\AST\Functions\SimpleFunction
-        week: Oro\ORM\Query\AST\Functions\SimpleFunction
-        day: Oro\ORM\Query\AST\Functions\SimpleFunction
-        hour: Oro\ORM\Query\AST\Functions\SimpleFunction
-        minute: Oro\ORM\Query\AST\Functions\SimpleFunction
-        month: Oro\ORM\Query\AST\Functions\SimpleFunction
-        quarter: Oro\ORM\Query\AST\Functions\SimpleFunction
-        second: Oro\ORM\Query\AST\Functions\SimpleFunction
-        year: Oro\ORM\Query\AST\Functions\SimpleFunction
-        sign: Oro\ORM\Query\AST\Functions\Numeric\Sign
-        pow: Oro\ORM\Query\AST\Functions\Numeric\Pow
-        round: Oro\ORM\Query\AST\Functions\Numeric\Round
-        ceil: Oro\ORM\Query\AST\Functions\SimpleFunction
-      string_functions:
-        md5: Oro\ORM\Query\AST\Functions\SimpleFunction
-        group_concat: Oro\ORM\Query\AST\Functions\String\GroupConcat
-        concat_ws: Oro\ORM\Query\AST\Functions\String\ConcatWs
-        cast: Oro\ORM\Query\AST\Functions\Cast
-        replace: Oro\ORM\Query\AST\Functions\String\Replace
-        date_format: Oro\ORM\Query\AST\Functions\String\DateFormat
-
-when@test:
-  doctrine:
-    dbal:
-      # "TEST_TOKEN" is typically set by ParaTest
-      dbname_suffix: "_test%env(default::TEST_TOKEN)%"
-
-when@prod:
-  doctrine:
-    orm:
-      auto_generate_proxy_classes: false
-      proxy_dir: "%kernel.build_dir%/doctrine/orm/Proxies"
-      query_cache_driver:
-        type: pool
-        pool: doctrine.system_cache_pool
-      result_cache_driver:
-        type: pool
-        pool: doctrine.result_cache_pool
-
-  framework:
-    cache:
-      pools:
-        doctrine.result_cache_pool:
-          adapter: cache.app
-        doctrine.system_cache_pool:
-          adapter: cache.system
diff --git a/config/packages/doctrine_migrations.php b/config/packages/doctrine_migrations.php
new file mode 100644
index 0000000..1927c51
--- /dev/null
+++ b/config/packages/doctrine_migrations.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\DoctrineMigrationsConfig;
+
+return static function (DoctrineMigrationsConfig $doctrineMigrationsConfig): void {
+    $doctrineMigrationsConfig
+        ->enableProfiler(false);
+
+    $doctrineMigrationsConfig
+        // namespace is arbitrary but should be different from App\Migrations
+        // as migrations classes should NOT be autoloaded
+        ->migrationsPath('DoctrineMigrations', '%kernel.project_dir%/migrations');
+};
diff --git a/config/packages/doctrine_migrations.yaml b/config/packages/doctrine_migrations.yaml
deleted file mode 100644
index 9300c9b..0000000
--- a/config/packages/doctrine_migrations.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-doctrine_migrations:
-  migrations_paths:
-    # namespace is arbitrary but should be different from App\Migrations
-    # as migrations classes should NOT be autoloaded
-    "DoctrineMigrations": "%kernel.project_dir%/migrations"
-  enable_profiler: false
diff --git a/config/packages/framework.php b/config/packages/framework.php
new file mode 100644
index 0000000..0f2b85e
--- /dev/null
+++ b/config/packages/framework.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\Framework\SessionConfig;
+use Symfony\Config\FrameworkConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+
+return static function (ContainerConfigurator $containerConfigurator, FrameworkConfig $frameworkConfig): void {
+    $sessionConfig = $frameworkConfig->session();
+    assert($sessionConfig instanceof SessionConfig);
+
+    $frameworkConfig->secret(env('APP_SECRET'));
+
+    // Note that the session will be started ONLY if you read or write from it.
+    $sessionConfig->handlerId(env('REDIS_URI'));
+
+    // proxy configuration for Zeabur
+    $frameworkConfig->trustedProxies('private_ranges');
+    $frameworkConfig->trustedHeaders([
+        'x-forwarded-for',
+        'x-forwarded-host',
+        'x-forwarded-proto',
+        'x-forwarded-port',
+        'x-forwarded-prefix',
+    ]);
+
+    if ('test' === $containerConfigurator->env()) {
+        $frameworkConfig->test(true);
+        $sessionConfig->storageFactoryId('session.storage.factory.mock_file');
+    }
+};
diff --git a/config/packages/framework.yaml b/config/packages/framework.yaml
deleted file mode 100644
index 2f9aceb..0000000
--- a/config/packages/framework.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-# see https://symfony.com/doc/current/reference/configuration/framework.html
-framework:
-  secret: "%env(APP_SECRET)%"
-  #csrf_protection: true
-
-  # Note that the session will be started ONLY if you read or write from it.
-  session:
-    handler_id: "%env(REDIS_URI)%"
-
-  #esi: true
-  #fragments: true
-
-  # proxy configuration for Zeabur
-  trusted_proxies: "private_ranges"
-  trusted_headers: [
-    "x-forwarded-for",
-    "x-forwarded-host",
-    "x-forwarded-proto",
-    "x-forwarded-port",
-    "x-forwarded-prefix",
-  ]
-
-when@test:
-  framework:
-    test: true
-    session:
-      storage_factory_id: session.storage.factory.mock_file
diff --git a/config/packages/http_discovery.php b/config/packages/http_discovery.php
new file mode 100644
index 0000000..303701a
--- /dev/null
+++ b/config/packages/http_discovery.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+use Http\Discovery\Psr17Factory;
+use Psr\Http\Message\RequestFactoryInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ServerRequestFactoryInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\UploadedFileFactoryInterface;
+use Psr\Http\Message\UriFactoryInterface;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+    $containerConfigurator->services()
+        ->alias(RequestFactoryInterface::class, Psr17Factory::class)
+        ->alias(ResponseFactoryInterface::class, Psr17Factory::class)
+        ->alias(ServerRequestFactoryInterface::class, Psr17Factory::class)
+        ->alias(StreamFactoryInterface::class, Psr17Factory::class)
+        ->alias(UploadedFileFactoryInterface::class, Psr17Factory::class)
+        ->alias(UriFactoryInterface::class, Psr17Factory::class);
+};
diff --git a/config/packages/http_discovery.yaml b/config/packages/http_discovery.yaml
deleted file mode 100644
index 3e7ef4b..0000000
--- a/config/packages/http_discovery.yaml
+++ /dev/null
@@ -1,10 +0,0 @@
-services:
-  Psr\Http\Message\RequestFactoryInterface: "@http_discovery.psr17_factory"
-  Psr\Http\Message\ResponseFactoryInterface: "@http_discovery.psr17_factory"
-  Psr\Http\Message\ServerRequestFactoryInterface: "@http_discovery.psr17_factory"
-  Psr\Http\Message\StreamFactoryInterface: "@http_discovery.psr17_factory"
-  Psr\Http\Message\UploadedFileFactoryInterface: "@http_discovery.psr17_factory"
-  Psr\Http\Message\UriFactoryInterface: "@http_discovery.psr17_factory"
-
-  http_discovery.psr17_factory:
-    class: Http\Discovery\Psr17Factory
diff --git a/config/packages/lock.yaml b/config/packages/lock.yaml
deleted file mode 100644
index 6c7aa58..0000000
--- a/config/packages/lock.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-framework:
-  lock: "%env(LOCK_DSN)%"
diff --git a/config/packages/mailer.php b/config/packages/mailer.php
new file mode 100644
index 0000000..e9df49e
--- /dev/null
+++ b/config/packages/mailer.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\FrameworkConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+
+return static function (FrameworkConfig $frameworkConfig): void {
+    $frameworkConfig->mailer()
+        ->dsn(env('MAILER_DSN'));
+};
diff --git a/config/packages/mailer.yaml b/config/packages/mailer.yaml
deleted file mode 100644
index 813f6e1..0000000
--- a/config/packages/mailer.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-framework:
-  mailer:
-    dsn: "%env(MAILER_DSN)%"
diff --git a/config/packages/meilisearch.php b/config/packages/meilisearch.php
new file mode 100644
index 0000000..df18cf2
--- /dev/null
+++ b/config/packages/meilisearch.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Entity\Question;
+use Symfony\Config\MeilisearchConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+
+return static function (MeilisearchConfig $meiliSearchConfig): void {
+    $meiliSearchConfig
+        ->url(env('MEILISEARCH_URL'))
+        ->apiKey(env('MEILISEARCH_API_KEY'))
+        ->indices()
+            ->name('questions')
+            ->class(Question::class)
+            ->enableSerializerGroups(true)
+            ->settings([
+                'filterableAttributes' => [
+                    'type',
+                    'difficulty',
+                ],
+                'sortableAttributes' => [
+                    'id',
+                ],
+            ]);
+};
diff --git a/config/packages/meilisearch.yaml b/config/packages/meilisearch.yaml
deleted file mode 100644
index 1b9d805..0000000
--- a/config/packages/meilisearch.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
-meilisearch:
-  url: "%env(MEILISEARCH_URL)%" # URL of the Meilisearch server (mandatory)
-  api_key: "%env(MEILISEARCH_API_KEY)%" # API key to access the Meilisearch server (mandatory)
-  indices:
-    - name: questions
-      class: App\Entity\Question
-      enable_serializer_groups: true
-      settings:
-        filterableAttributes:
-          - type
-          - difficulty
-        sortableAttributes:
-          - id
-
-when@preprod:
-  meilisearch:
-    prefix: prod_
diff --git a/config/packages/messenger.php b/config/packages/messenger.php
new file mode 100644
index 0000000..716d872
--- /dev/null
+++ b/config/packages/messenger.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Component\Mailer\Messenger\SendEmailMessage;
+use Symfony\Config\Framework\Messenger\RoutingConfig;
+use Symfony\Config\Framework\Messenger\TransportConfig;
+use Symfony\Config\FrameworkConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+
+return static function (ContainerConfigurator $containerConfigurator, FrameworkConfig $frameworkConfig): void {
+    $messenger = $frameworkConfig->messenger();
+
+    $messenger->failureTransport('failed');
+
+    $asyncTransport = $messenger->transport('async');
+    assert($asyncTransport instanceof TransportConfig);
+    $asyncTransport->dsn(env('MESSENGER_TRANSPORT_DSN'));
+    /* @phpstan-ignore-next-line argument.type https://github.com/symfony/symfony/issues/18988 */
+    $asyncTransport->options([
+        'use_notify' => true,
+        'check_delayed_interval' => 60000,
+    ]);
+    $asyncTransport->retryStrategy()
+        ->maxRetries(3)
+        ->multiplier(2);
+
+    $failedTransport = $messenger->transport('failed');
+    assert($failedTransport instanceof TransportConfig);
+    $failedTransport->dsn('doctrine://default?queue_name=failed');
+
+    $messenger->bus('messenger.bus.default');
+    $messenger->defaultBus('messenger.bus.default');
+
+    $routingConfig = $messenger->routing(SendEmailMessage::class);
+    assert($routingConfig instanceof RoutingConfig);
+    $routingConfig->senders(['async']);
+};
diff --git a/config/packages/messenger.yaml b/config/packages/messenger.yaml
deleted file mode 100644
index fd7f8cd..0000000
--- a/config/packages/messenger.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-framework:
-  messenger:
-    failure_transport: failed
-
-    transports:
-      # https://symfony.com/doc/current/messenger.html#transport-configuration
-      async:
-        dsn: "%env(MESSENGER_TRANSPORT_DSN)%"
-        options:
-          use_notify: true
-          check_delayed_interval: 60000
-        retry_strategy:
-          max_retries: 3
-          multiplier: 2
-      failed: "doctrine://default?queue_name=failed"
-      # sync: 'sync://'
-
-    default_bus: messenger.bus.default
-
-    buses:
-      messenger.bus.default: []
-
-    routing:
-      Symfony\Component\Mailer\Messenger\SendEmailMessage: async
-
-      # Route your messages to the transports
-      # 'App\Message\YourMessage': async
diff --git a/config/packages/monolog.php b/config/packages/monolog.php
new file mode 100644
index 0000000..51dfa3d
--- /dev/null
+++ b/config/packages/monolog.php
@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\MonologConfig;
+
+return static function (ContainerConfigurator $containerConfigurator, MonologConfig $monologConfig): void {
+    // Deprecations are logged in the dedicated "deprecation" channel when it exists
+    $monologConfig->channels(['deprecation']);
+
+    if ('dev' === $containerConfigurator->env()) {
+        $monologConfig->handler('main')
+            ->type('stream')
+            ->path('%kernel.logs_dir%/%kernel.environment%.log')
+            ->level('debug')
+            ->channels()
+                ->elements(['!event']);
+        $monologConfig->handler('console')
+            ->type('console')
+            ->processPsr3Messages(false)
+            ->channels()
+                ->elements(['!event', '!doctrine', '!console']);
+    }
+
+    if ('test' === $containerConfigurator->env()) {
+        $monologConfig->handler('main')
+            ->type('fingers_crossed')
+            ->actionLevel('error')
+            ->handler('nested')
+            ->excludedHttpCode(404)
+            ->excludedHttpCode(405)
+            ->channels()
+                ->elements(['!event']);
+        $monologConfig->handler('nested')
+            ->type('stream')
+            ->path('%kernel.logs_dir%/%kernel.environment%.log')
+            ->level('debug');
+    }
+
+    if ('prod' === $containerConfigurator->env()) {
+        $monologConfig->handler('main')
+            ->type('fingers_crossed')
+            ->actionLevel('error')
+            ->handler('nested')
+            ->excludedHttpCode(404)
+            ->excludedHttpCode(405)
+            // How many messages should be saved? Prevent memory leaks
+            ->bufferSize(50);
+        $monologConfig->handler('nested')
+            ->type('stream')
+            ->path('php://stderr')
+            ->level('debug')
+            ->formatter('monolog.formatter.json');
+        $monologConfig->handler('console')
+            ->type('console')
+            ->processPsr3Messages(false)
+            ->channels()
+                ->elements(['!event', '!doctrine']);
+        $monologConfig->handler('deprecation')
+            ->type('stream')
+            ->path('php://stderr')
+            ->formatter('monolog.formatter.json')
+            ->channels()
+                ->elements(['deprecation']);
+    }
+};
diff --git a/config/packages/monolog.yaml b/config/packages/monolog.yaml
deleted file mode 100644
index c2da281..0000000
--- a/config/packages/monolog.yaml
+++ /dev/null
@@ -1,62 +0,0 @@
-monolog:
-  channels:
-    - deprecation # Deprecations are logged in the dedicated "deprecation" channel when it exists
-
-when@dev:
-  monolog:
-    handlers:
-      main:
-        type: stream
-        path: "%kernel.logs_dir%/%kernel.environment%.log"
-        level: debug
-        channels: ["!event"]
-      # uncomment to get logging in your browser
-      # you may have to allow bigger header sizes in your Web server configuration
-      #firephp:
-      #    type: firephp
-      #    level: info
-      #chromephp:
-      #    type: chromephp
-      #    level: info
-      console:
-        type: console
-        process_psr_3_messages: false
-        channels: ["!event", "!doctrine", "!console"]
-
-when@test:
-  monolog:
-    handlers:
-      main:
-        type: fingers_crossed
-        action_level: error
-        handler: nested
-        excluded_http_codes: [404, 405]
-        channels: ["!event"]
-      nested:
-        type: stream
-        path: "%kernel.logs_dir%/%kernel.environment%.log"
-        level: debug
-
-when@prod:
-  monolog:
-    handlers:
-      main:
-        type: fingers_crossed
-        action_level: error
-        handler: nested
-        excluded_http_codes: [404, 405]
-        buffer_size: 50 # How many messages should be saved? Prevent memory leaks
-      nested:
-        type: stream
-        path: php://stderr
-        level: debug
-        formatter: monolog.formatter.json
-      console:
-        type: console
-        process_psr_3_messages: false
-        channels: ["!event", "!doctrine"]
-      deprecation:
-        type: stream
-        channels: [deprecation]
-        path: php://stderr
-        formatter: monolog.formatter.json
diff --git a/config/packages/notifier.php b/config/packages/notifier.php
new file mode 100644
index 0000000..e321b1f
--- /dev/null
+++ b/config/packages/notifier.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\FrameworkConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+
+return static function (ContainerConfigurator $containerConfigurator, FrameworkConfig $frameworkConfig): void {
+    $notifierConfig = $frameworkConfig->notifier();
+
+    $notifierConfig->chatterTransport('linenotify', env('LINE_NOTIFY_DSN'));
+    $notifierConfig->adminRecipient()->email('dbplay@pan93.com');
+};
diff --git a/config/packages/notifier.yaml b/config/packages/notifier.yaml
deleted file mode 100644
index 8d4eff7..0000000
--- a/config/packages/notifier.yaml
+++ /dev/null
@@ -1,12 +0,0 @@
-framework:
-  notifier:
-    chatter_transports:
-      linenotify: "%env(LINE_NOTIFY_DSN)%"
-    texter_transports:
-    channel_policy:
-      urgent: ["chat/linenotify"]
-      high: ["chat/linenotify"]
-      medium: ["chat/linenotify"]
-      low: ["chat/linenotify"]
-    admin_recipients:
-      - { email: dbplay@pan93.com }
diff --git a/config/packages/routing.php b/config/packages/routing.php
new file mode 100644
index 0000000..71c1387
--- /dev/null
+++ b/config/packages/routing.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\Framework\RouterConfig;
+use Symfony\Config\FrameworkConfig;
+
+return static function (ContainerConfigurator $containerConfigurator, FrameworkConfig $frameworkConfig): void {
+    $routerConfig = $frameworkConfig->router();
+    assert($routerConfig instanceof RouterConfig);  // workaround for PHPStan support
+
+    $routerConfig->strictRequirements(true);
+
+    if ('prod' === $containerConfigurator->env()) {
+        $routerConfig->strictRequirements(null);
+    }
+};
diff --git a/config/packages/routing.yaml b/config/packages/routing.yaml
deleted file mode 100644
index 5969ced..0000000
--- a/config/packages/routing.yaml
+++ /dev/null
@@ -1,10 +0,0 @@
-framework:
-  router:
-# Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
-# See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
-#default_uri: http://localhost
-
-when@prod:
-  framework:
-    router:
-      strict_requirements: null
diff --git a/config/packages/security.php b/config/packages/security.php
new file mode 100644
index 0000000..566c37b
--- /dev/null
+++ b/config/packages/security.php
@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Entity\User;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
+use Symfony\Config\Security\PasswordHasherConfig;
+use Symfony\Config\SecurityConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\param;
+
+return static function (ContainerConfigurator $containerConfigurator, SecurityConfig $securityConfig): void {
+    $securityConfig->passwordHasher(PasswordAuthenticatedUserInterface::class, 'auto');
+
+    // used to reload user from session & other features (e.g. switch_user)
+    $securityConfig
+        ->provider('app_user_provider')
+            ->entity()
+                ->class(User::class)
+                ->property('email');
+
+    $securityConfig
+        ->firewall('dev')
+            ->pattern('^/(_(profiler|wdt)|css|images|js)/')
+            ->security(false);
+
+    $mainFirewall = $securityConfig->firewall('main');
+
+    $mainFirewall
+        ->lazy(true)
+        ->provider('app_user_provider');
+
+    $mainFirewall
+        ->formLogin()
+            ->loginPath('app_login')
+            ->checkPath('app_login')
+            ->enableCsrf(true);
+
+    $mainFirewall
+        ->logout()
+            ->path('app_logout')
+            ->target('app_home');
+
+    $mainFirewall
+        ->rememberMe()
+            ->secret(param('kernel.secret'))
+            ->lifetime(604800 /* 1 week in seconds */);
+
+    // https://symfony.com/doc/current/security/impersonating_user.html
+    $mainFirewall->switchUser();
+
+    // Allow anonymous access to the login form.
+    $securityConfig
+        ->accessControl()
+            ->route('app_login')
+            ->roles('PUBLIC_ACCESS');
+
+    // Allow anonymous access to the feedback form.
+    $securityConfig
+        ->accessControl()
+            ->route('app_feedback')
+            ->roles('PUBLIC_ACCESS');
+
+    // Admin
+    $securityConfig
+        ->accessControl()
+            ->path('^/admin')
+            ->roles('ROLE_ADMIN');
+
+    // Others (for example, apps)
+    $securityConfig
+        ->accessControl()
+            ->path('^/')
+            ->roles('ROLE_USER');
+
+    if ('test' === $containerConfigurator->env()) {
+        $passwordHasher = $securityConfig->passwordHasher(PasswordAuthenticatedUserInterface::class);
+        assert($passwordHasher instanceof PasswordHasherConfig);
+
+        $passwordHasher
+            ->algorithm('auto')
+            ->cost(4)
+            ->timeCost(3)
+            ->memoryCost(10);
+    }
+};
diff --git a/config/packages/security.yaml b/config/packages/security.yaml
deleted file mode 100644
index 6a6fdee..0000000
--- a/config/packages/security.yaml
+++ /dev/null
@@ -1,64 +0,0 @@
-security:
-  # https://symfony.com/doc/current/security.html#registering-the-user-hashing-passwords
-  password_hashers:
-    Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface: "auto"
-  # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
-  providers:
-    # used to reload user from session & other features (e.g. switch_user)
-    app_user_provider:
-      entity:
-        class: App\Entity\User
-        property: email
-  firewalls:
-    dev:
-      pattern: ^/(_(profiler|wdt)|css|images|js)/
-      security: false
-    main:
-      lazy: true
-      provider: app_user_provider
-      form_login:
-        login_path: app_login
-        check_path: app_login
-        enable_csrf: true
-      logout:
-        path: app_logout
-        target: app_home
-      remember_me:
-        secret: "%kernel.secret%" # required
-        lifetime: 604800 # 1 week in seconds
-
-      # https://symfony.com/doc/current/security/impersonating_user.html
-      switch_user: true
-
-  # activate different ways to authenticate
-  # https://symfony.com/doc/current/security.html#the-firewall
-
-  # Easy way to control access for large sections of your site
-  # Note: Only the *first* access control that matches will be used
-  access_control:
-    # login page
-    - { route: app_login, roles: PUBLIC_ACCESS }
-
-    # feedback page
-    # Note that we provide the feedback form in login page,
-    # so we need to allow public access to this page.
-    - { route: app_feedback, roles: PUBLIC_ACCESS }
-
-    # admin
-    - { path: ^/admin, roles: ROLE_ADMIN }
-
-    # others (for example, apps)
-    - { path: ^/, roles: ROLE_USER }
-
-when@test:
-  security:
-    password_hashers:
-      # By default, password hashers are resource intensive and take time. This is
-      # important to generate secure password hashes. In tests however, secure hashes
-      # are not important, waste resources and increase test times. The following
-      # reduces the work factor to the lowest possible values.
-      Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface:
-        algorithm: auto
-        cost: 4 # Lowest possible value for bcrypt
-        time_cost: 3 # Lowest possible value for argon
-        memory_cost: 10 # Lowest possible value for argon
diff --git a/config/packages/sensiolabs_typescript.php b/config/packages/sensiolabs_typescript.php
new file mode 100644
index 0000000..20830b9
--- /dev/null
+++ b/config/packages/sensiolabs_typescript.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\SensiolabsTypescriptConfig;
+
+return static function (SensiolabsTypescriptConfig $config): void {
+    $config->swcBinary('node_modules/.bin/swc');
+    $config->sourceDir([
+        '%kernel.project_dir%/assets/app',
+        '%kernel.project_dir%/assets/controllers',
+    ]);
+};
diff --git a/config/packages/sensiolabs_typescript.yaml b/config/packages/sensiolabs_typescript.yaml
deleted file mode 100644
index 604fcbc..0000000
--- a/config/packages/sensiolabs_typescript.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-sensiolabs_typescript:
-  swc_binary: "node_modules/.bin/swc"
diff --git a/config/packages/translation.php b/config/packages/translation.php
new file mode 100644
index 0000000..d9ec9b0
--- /dev/null
+++ b/config/packages/translation.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\FrameworkConfig;
+
+return static function (FrameworkConfig $config): void {
+    $config
+        ->defaultLocale('zh_TW')
+        ->enabledLocales(['zh_TW']);
+
+    $config
+        ->translator()
+        ->defaultPath('%kernel.project_dir%/translations')
+        ->fallbacks(['zh_TW']);
+};
diff --git a/config/packages/translation.yaml b/config/packages/translation.yaml
deleted file mode 100644
index 6fdb6e9..0000000
--- a/config/packages/translation.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-framework:
-  default_locale: zh_TW
-  enabled_locales: ["zh_TW"]
-  translator:
-    default_path: "%kernel.project_dir%/translations"
-    fallbacks:
-      - zh_TW
-    providers:
diff --git a/config/packages/twig.php b/config/packages/twig.php
new file mode 100644
index 0000000..15f19b3
--- /dev/null
+++ b/config/packages/twig.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\TwigConfig;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+use function Symfony\Component\DependencyInjection\Loader\Configurator\param;
+
+return static function (TwigConfig $twigConfig): void {
+    $twigConfig
+        ->fileNamePattern('*.twig')
+        ->formThemes(['bootstrap_5_layout.html.twig'])
+        ->global('umami_domain', env('UMAMI_DOMAIN'))
+        ->global('umami_website_id', env('UMAMI_WEBSITE_ID'))
+        ->strictVariables(true)
+        ->global('app_features_hint', param('app.features.hint'))
+        ->global('app_features_comment', param('app.features.comment'));
+};
diff --git a/config/packages/twig.yaml b/config/packages/twig.yaml
deleted file mode 100644
index 4af147b..0000000
--- a/config/packages/twig.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-twig:
-  file_name_pattern: "*.twig"
-  form_themes: ["bootstrap_5_layout.html.twig"]
-  globals:
-    umami_domain: "%env(UMAMI_DOMAIN)%"
-    umami_website_id: "%env(UMAMI_WEBSITE_ID)%"
-    appfeatures:
-      hint: "%app.features.hint%"
-      comment: "%app.features.comment%"
-
-when@test:
-  twig:
-    strict_variables: true
diff --git a/config/packages/twig_component.php b/config/packages/twig_component.php
new file mode 100644
index 0000000..42605b9
--- /dev/null
+++ b/config/packages/twig_component.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Config\TwigComponentConfig;
+
+return static function (TwigComponentConfig $twigComponentConfig): void {
+    $twigComponentConfig
+        ->anonymousTemplateDirectory('components/')
+        ->defaults('App\Twig\Components\\', 'components/');
+};
diff --git a/config/packages/twig_component.yaml b/config/packages/twig_component.yaml
deleted file mode 100644
index 7b4b5eb..0000000
--- a/config/packages/twig_component.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-twig_component:
-  anonymous_template_directory: "components/"
-  defaults:
-    # Namespace & directory for components
-    App\Twig\Components\: "components/"
diff --git a/config/packages/validator.php b/config/packages/validator.php
new file mode 100644
index 0000000..c4f1adc
--- /dev/null
+++ b/config/packages/validator.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\FrameworkConfig;
+
+return static function (ContainerConfigurator $containerConfigurator, FrameworkConfig $frameworkConfig): void {
+    $notCompromisedPassword = $frameworkConfig->validation()->notCompromisedPassword();
+    $notCompromisedPassword->enabled('test' !== $containerConfigurator->env());
+};
diff --git a/config/packages/validator.yaml b/config/packages/validator.yaml
deleted file mode 100644
index 7b5d7d5..0000000
--- a/config/packages/validator.yaml
+++ /dev/null
@@ -1,11 +0,0 @@
-framework:
-  validation:
-# Enables validator auto-mapping support.
-# For instance, basic validation constraints will be inferred from Doctrine's metadata.
-#auto_mapping:
-#    App\Entity\: []
-
-when@test:
-  framework:
-    validation:
-      not_compromised_password: false
diff --git a/config/packages/web_profiler.php b/config/packages/web_profiler.php
new file mode 100644
index 0000000..d46eba3
--- /dev/null
+++ b/config/packages/web_profiler.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Config\Framework\ProfilerConfig;
+use Symfony\Config\FrameworkConfig;
+use Symfony\Config\WebProfilerConfig;
+
+return static function (
+    ContainerConfigurator $containerConfigurator,
+    WebProfilerConfig $webProfilerConfig,
+    FrameworkConfig $frameworkConfig,
+): void {
+    $frameworkProfilerConfig = $frameworkConfig->profiler();
+    assert($frameworkProfilerConfig instanceof ProfilerConfig);
+
+    switch ($containerConfigurator->env()) {
+        case 'dev':
+            $webProfilerConfig->toolbar(true);
+            $webProfilerConfig->interceptRedirects(false);
+            $frameworkProfilerConfig
+                ->onlyExceptions(false)
+                ->collectSerializerData(true);
+            break;
+        case 'test':
+            $webProfilerConfig->toolbar(false);
+            $webProfilerConfig->interceptRedirects(false);
+            $frameworkProfilerConfig->collect(false);
+            break;
+    }
+};
diff --git a/config/packages/web_profiler.yaml b/config/packages/web_profiler.yaml
deleted file mode 100644
index a529921..0000000
--- a/config/packages/web_profiler.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
-when@dev:
-  web_profiler:
-    toolbar: true
-    intercept_redirects: false
-
-  framework:
-    profiler:
-      only_exceptions: false
-      collect_serializer_data: true
-
-when@test:
-  web_profiler:
-    toolbar: false
-    intercept_redirects: false
-
-  framework:
-    profiler: { collect: false }
diff --git a/config/routes.php b/config/routes.php
new file mode 100644
index 0000000..d3a5ab6
--- /dev/null
+++ b/config/routes.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
+
+return static function (RoutingConfigurator $routingConfigurator): void {
+    $routingConfigurator->import([
+        'path' => '../src/Controller/',
+        'namespace' => 'App\Controller',
+    ], 'attribute');
+};
diff --git a/config/routes.yaml b/config/routes.yaml
deleted file mode 100644
index 2d0ef99..0000000
--- a/config/routes.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-controllers:
-  resource:
-    path: ../src/Controller/
-    namespace: App\Controller
-  type: attribute
diff --git a/config/routes/easyadmin.php b/config/routes/easyadmin.php
new file mode 100644
index 0000000..ddb8599
--- /dev/null
+++ b/config/routes/easyadmin.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
+
+return static function (RoutingConfigurator $routingConfigurator): void {
+    $routingConfigurator->import('.', 'easyadmin.routes');
+};
diff --git a/config/routes/easyadmin.yaml b/config/routes/easyadmin.yaml
deleted file mode 100644
index f409de2..0000000
--- a/config/routes/easyadmin.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-easyadmin:
-  resource: .
-  type: easyadmin.routes
diff --git a/config/routes/framework.php b/config/routes/framework.php
new file mode 100644
index 0000000..455101b
--- /dev/null
+++ b/config/routes/framework.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
+
+return static function (RoutingConfigurator $routingConfigurator): void {
+    if ('dev' === $routingConfigurator->env()) {
+        $routingConfigurator->import('@FrameworkBundle/Resources/config/routing/errors.xml')
+        ->prefix('/_error');
+    }
+};
diff --git a/config/routes/framework.yaml b/config/routes/framework.yaml
deleted file mode 100644
index cce01c1..0000000
--- a/config/routes/framework.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-when@dev:
-  _errors:
-    resource: "@FrameworkBundle/Resources/config/routing/errors.xml"
-    prefix: /_error
diff --git a/config/routes/security.php b/config/routes/security.php
new file mode 100644
index 0000000..cd2c44f
--- /dev/null
+++ b/config/routes/security.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
+
+return static function (RoutingConfigurator $routingConfigurator): void {
+    $routingConfigurator->import('security.route_loader.logout', 'service');
+};
diff --git a/config/routes/security.yaml b/config/routes/security.yaml
deleted file mode 100644
index 3cb5ef0..0000000
--- a/config/routes/security.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-_security_logout:
-  resource: security.route_loader.logout
-  type: service
diff --git a/config/routes/ux_live_component.php b/config/routes/ux_live_component.php
new file mode 100644
index 0000000..e7cb167
--- /dev/null
+++ b/config/routes/ux_live_component.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
+
+return static function (RoutingConfigurator $routingConfigurator): void {
+    $routingConfigurator->import('@LiveComponentBundle/config/routes.php')
+        ->prefix('/_components');
+};
diff --git a/config/routes/ux_live_component.yaml b/config/routes/ux_live_component.yaml
deleted file mode 100644
index b062f61..0000000
--- a/config/routes/ux_live_component.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-live_component:
-  resource: "@LiveComponentBundle/config/routes.php"
-  prefix: "/_components"
-  # adjust prefix to add localization to your components
-  #prefix: '/{_locale}/_components'
diff --git a/config/routes/web_profiler.php b/config/routes/web_profiler.php
new file mode 100644
index 0000000..63bbf5f
--- /dev/null
+++ b/config/routes/web_profiler.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
+
+return static function (RoutingConfigurator $routingConfigurator): void {
+    if ('dev' === $routingConfigurator->env()) {
+        $routingConfigurator->import('@WebProfilerBundle/Resources/config/routing/wdt.xml')
+        ->prefix('/_wdt');
+        $routingConfigurator->import('@WebProfilerBundle/Resources/config/routing/profiler.xml')
+        ->prefix('/_profiler');
+    }
+};
diff --git a/config/routes/web_profiler.yaml b/config/routes/web_profiler.yaml
deleted file mode 100644
index e004603..0000000
--- a/config/routes/web_profiler.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-when@dev:
-  web_profiler_wdt:
-    resource: "@WebProfilerBundle/Resources/config/routing/wdt.xml"
-    prefix: /_wdt
-
-  web_profiler_profiler:
-    resource: "@WebProfilerBundle/Resources/config/routing/profiler.xml"
-    prefix: /_profiler
diff --git a/config/services.php b/config/services.php
new file mode 100644
index 0000000..cf9fd95
--- /dev/null
+++ b/config/services.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Service\PromptService;
+use App\Service\SqlRunnerService;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+use function Symfony\Component\DependencyInjection\Loader\Configurator\env;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+    $containerConfigurator->parameters()
+        ->set('app.sqlrunner_url', env('SQLRUNNER_URL'))
+        ->set('app.redis_uri', env('REDIS_URI'))
+        ->set('app.openai_api_key', env('OPENAI_API_KEY'))
+        ->set('app.features.hint', true)
+        ->set('app.features.editable-profile', true)
+        ->set('app.features.comment', true);
+
+    $services = $containerConfigurator->services();
+
+    $services->defaults()
+        ->autowire()
+        ->autoconfigure();
+
+    $services->load('App\\', __DIR__.'/../src/')
+        ->exclude([
+            __DIR__.'/../src/DependencyInjection/',
+            __DIR__.'/../src/Entity/',
+            __DIR__.'/../src/Kernel.php',
+            __DIR__.'/../src/Service/Processes/',
+            __DIR__.'/../src/Service/Types/',
+            __DIR__.'/../src/Twig/Components/Challenge/EventConstant.php',
+        ]);
+
+    $services->set(PromptService::class)
+        ->arg('$apiKey', '%app.openai_api_key%');
+
+    $services->set(SqlRunnerService::class)
+        ->arg('$baseUrl', '%app.sqlrunner_url%');
+};
diff --git a/config/services.yaml b/config/services.yaml
deleted file mode 100644
index 0641d8b..0000000
--- a/config/services.yaml
+++ /dev/null
@@ -1,41 +0,0 @@
-# This file is the entry point to configure your own services.
-# Files in the packages/ subdirectory configure your dependencies.
-
-# Put parameters here that don't need to change on each machine where the app is deployed
-# https://symfony.com/doc/current/best_practices.html#use-parameters-for-application-configuration
-parameters:
-  app.sqlrunner_url: "%env(SQLRUNNER_URL)%"
-  app.redis_uri: "%env(REDIS_URI)%"
-  app.openai_api_key: "%env(OPENAI_API_KEY)%"
-
-  app.features.hint: true
-  app.features.editable-profile: true
-  app.features.comment: true
-
-services:
-  # default configuration for services in *this* file
-  _defaults:
-    autowire: true # Automatically injects dependencies in your services.
-    autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.
-
-  # makes classes in src/ available to be used as services
-  # this creates a service per class whose id is the fully-qualified class name
-  App\:
-    resource: "../src/"
-    exclude:
-      - "../src/DependencyInjection/"
-      - "../src/Entity/"
-      - "../src/Kernel.php"
-      - "../src/Service/Processes/"
-      - "../src/Service/Types/"
-      - "../src/Twig/Components/Challenge/EventConstant.php"
-
-  # add more service definitions when explicit configuration is needed
-  # please note that last definitions always *replace* previous ones
-  App\Service\PromptService:
-    arguments:
-      $apiKey: "%app.openai_api_key%"
-
-  App\Service\SqlRunnerService:
-    arguments:
-      $baseUrl: "%app.sqlrunner_url%"
diff --git a/devenv.lock b/devenv.lock
index 6b5f771..61f5c0f 100644
--- a/devenv.lock
+++ b/devenv.lock
@@ -53,10 +53,10 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733064805,
+        "lastModified": 1733097829,
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "31d66ae40417bb13765b0ad75dd200400e98de84",
+        "rev": "2c15aa59df0017ca140d9ba302412298ab4bf22a",
         "type": "github"
       },
       "original": {
diff --git a/frankenphp/docker-entrypoint.sh b/frankenphp/docker-entrypoint.sh
index 5af3f41..e8023a0 100644
--- a/frankenphp/docker-entrypoint.sh
+++ b/frankenphp/docker-entrypoint.sh
@@ -7,8 +7,8 @@ if [ "$1" = 'frankenphp' ] || [ "$1" = 'php' ] || [ "$1" = 'bin/console' ]; then
     fi
 
     if [ -z "$(ls -A 'node_modules/' 2>/dev/null)" ]; then
-    corepnpm prepare && pnpm install --prod --prefer-frozen-lockfile
-  fi
+      corepack prepare && pnpm install --prod --prefer-frozen-lockfile
+    fi
 
     if grep -q ^DATABASE_URL= .env; then
         echo "Waiting for database to be ready..."
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
index 2469fa7..f0afb3f 100644
--- a/phpstan.dist.neon
+++ b/phpstan.dist.neon
@@ -6,5 +6,10 @@ parameters:
         - public/
         - src/
         - tests/
+    scanDirectories:
+        - var/cache/dev/Symfony/Config
+    scanFiles:
+        - vendor/symfony/dependency-injection/Loader/Configurator/ContainerConfigurator.php
     symfony:
         consoleApplicationLoader: tests/console-application.php
+        containerXmlPath: var/cache/dev/App_KernelDevDebugContainer.xml
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b10269e..42325b8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1635,9 +1635,9 @@ packages:
     }
     engines: { node: ">= 8" }
 
-  streamx@2.20.2:
+  streamx@2.21.0:
     resolution: {
-      integrity: sha512-aDGDLU+j9tJcUdPGOaHmVF1u/hhI+CsGkT02V3OKlHDV7IukOI+nTWAGkiZEKCO35rWN1wIr4tS7YFr1f4qSvA==,
+      integrity: sha512-Qz6MsDZXJ6ur9u+b+4xCG18TluU7PGlRfXVAAjNiGsFrBUt/ioyLkxbFaKJygoPs+/kW4VyBj0bSj89Qu0IGyg==,
     }
 
   strip-dirs@3.0.0:
@@ -2820,7 +2820,7 @@ snapshots:
 
   source-map@0.7.4: {}
 
-  streamx@2.20.2:
+  streamx@2.21.0:
     dependencies:
       fast-fifo: 1.3.2
       queue-tick: 1.0.1
@@ -2852,7 +2852,7 @@ snapshots:
     dependencies:
       b4a: 1.6.7
       fast-fifo: 1.3.2
-      streamx: 2.20.2
+      streamx: 2.21.0
 
   text-decoder@1.2.1: {}
 
diff --git a/src/Controller/CommentsController.php b/src/Controller/CommentsController.php
index 8cee2a1..b7ddd9a 100644
--- a/src/Controller/CommentsController.php
+++ b/src/Controller/CommentsController.php
@@ -99,11 +99,6 @@ public function likes(
 
     private function isCommentFeatureEnabled(): bool
     {
-        $comment = $this->getParameter('app.features.comment');
-        if (!\is_bool($comment)) {
-            throw new \RuntimeException('The "app.features.comment" parameter must be a boolean.');
-        }
-
-        return $comment;
+        return $this->getParameter('app.features.comment');
     }
 }
diff --git a/src/Controller/ProfileController.php b/src/Controller/ProfileController.php
index ffc4b97..a24c34f 100644
--- a/src/Controller/ProfileController.php
+++ b/src/Controller/ProfileController.php
@@ -21,10 +21,7 @@ class ProfileController extends AbstractController
 {
     public function isProfileEditable(): bool
     {
-        $isProfileEditable = $this->getParameter('app.features.editable-profile');
-        \assert(\is_bool($isProfileEditable));
-
-        return $isProfileEditable;
+        return $this->getParameter('app.features.editable-profile');
     }
 
     #[Route('/profile', name: 'app_profile')]
diff --git a/src/Twig/Components/Challenge/Comments/CommentForm.php b/src/Twig/Components/Challenge/Comments/CommentForm.php
index 10cd494..3e98188 100644
--- a/src/Twig/Components/Challenge/Comments/CommentForm.php
+++ b/src/Twig/Components/Challenge/Comments/CommentForm.php
@@ -57,8 +57,6 @@ protected function instantiateForm(): FormInterface
     public function save(EntityManagerInterface $entityManager, ParameterBagInterface $parameterBag): void
     {
         $appFeatureComment = $parameterBag->get('app.features.comment');
-        \assert(\is_bool($appFeatureComment));
-
         if (!$appFeatureComment) {
             throw new BadRequestHttpException('Comment feature is disabled.');
         }
diff --git a/src/Twig/Components/Challenge/Instruction/Modal.php b/src/Twig/Components/Challenge/Instruction/Modal.php
index 04677b2..10d2cb6 100644
--- a/src/Twig/Components/Challenge/Instruction/Modal.php
+++ b/src/Twig/Components/Challenge/Instruction/Modal.php
@@ -67,8 +67,6 @@ public function instruct(
         ParameterBagInterface $parameterBag,
     ): void {
         $appFeatureHint = $parameterBag->get('app.features.hint');
-        \assert(\is_bool($appFeatureHint));
-
         if (!$appFeatureHint) {
             throw new BadRequestHttpException('Hint feature is disabled.');
         }
diff --git a/templates/components/Challenge/Comments.html.twig b/templates/components/Challenge/Comments.html.twig
index 54f5b7f..20b1037 100644
--- a/templates/components/Challenge/Comments.html.twig
+++ b/templates/components/Challenge/Comments.html.twig
@@ -1,5 +1,5 @@
-<div {{ attributes.defaults({class: 'app-challenge-comments', 'aria-hidden': not appfeatures.comment}) }}>
-    {% if appfeatures.comment %}
+<div {{ attributes.defaults({class: 'app-challenge-comments', 'aria-hidden': not app_features_comment}) }}>
+    {% if app_features_comment %}
         <div class="app-challenge-comments__new mb-4">
             <twig:Challenge:Comments:CommentForm :question="question" :commenter="currentUser" />
         </div>
diff --git a/templates/components/Challenge/Ui.html.twig b/templates/components/Challenge/Ui.html.twig
index 39ade25..de3d888 100644
--- a/templates/components/Challenge/Ui.html.twig
+++ b/templates/components/Challenge/Ui.html.twig
@@ -3,7 +3,7 @@
     {% if question.solutionVideo %}
         <twig:Challenge:SolutionVideoModal class="challenge-solution-video-modal" :question="question" :user="user" />
     {% endif %}
-    {% if appfeatures.hint %}
+    {% if app_features_hint %}
         <twig:Challenge:Instruction:Modal class="challenge-instruction-modal" :question="question" :currentUser="user" />
     {% endif %}
 
@@ -15,7 +15,7 @@
                 <twig:Challenge:Executor class="mt-2" :question="question" :user="user">
                     <twig:block name="actions">
                         <div class="btn-group">
-                            {% if appfeatures.hint %}
+                            {% if app_features_hint %}
                                 <button type="button" class="btn btn-outline-secondary" data-bs-toggle="modal" data-bs-target=".challenge-instruction-modal">提示</button>
                             {% endif %}
                             {% if question.solutionVideo %}
@@ -35,7 +35,7 @@
             </div>
         </section>
 
-        {% if appfeatures.comment %}
+        {% if app_features_comment %}
             <section class="app-challenge-primary__comments mt-4" id="comments">
                 <h3 class="mb-3">留言區</h3>
                 <twig:Challenge:Comments :question="question" :currentUser="user" loading="lazy" />
diff --git a/templates/components/Navbar.html.twig b/templates/components/Navbar.html.twig
index 0d9bc31..5a05e0e 100644
--- a/templates/components/Navbar.html.twig
+++ b/templates/components/Navbar.html.twig
@@ -20,7 +20,7 @@
         name: '留言一覽',
         icon: 'bi bi-chat-left-text-fill',
         path: path('app_comments'),
-        disabled: not appfeatures.comment,
+        disabled: not app_features_comment,
     },
     {
         pageId: 'complementary',