diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..92cd704
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,21 @@
+{
+  "name": "Helix",
+  "description": "Helix – Modern WP Admin",
+  "type": "project",
+  "license": "GPL-2.0-or-later",
+  "require": {},
+  "require-dev": {
+    "squizlabs/php_codesniffer": "^3.10",
+    "wp-coding-standards/wpcs": "^3.0",
+    "dealerdirect/phpcodesniffer-composer-installer": "^1.0"
+  },
+  "scripts": {
+    "lint": "vendor/bin/phpcs -q --report=full",
+    "fix": "vendor/bin/phpcbf"
+  },
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
+  }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..2c180d5
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,440 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "eb1f0708b5830b82ea720f047c348230",
+    "packages": [],
+    "packages-dev": [
+        {
+            "name": "dealerdirect/phpcodesniffer-composer-installer",
+            "version": "v1.1.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCSStandards/composer-installer.git",
+                "reference": "e9cf5e4bbf7eeaf9ef5db34938942602838fc2b1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCSStandards/composer-installer/zipball/e9cf5e4bbf7eeaf9ef5db34938942602838fc2b1",
+                "reference": "e9cf5e4bbf7eeaf9ef5db34938942602838fc2b1",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^2.2",
+                "php": ">=5.4",
+                "squizlabs/php_codesniffer": "^2.0 || ^3.1.0 || ^4.0"
+            },
+            "require-dev": {
+                "composer/composer": "^2.2",
+                "ext-json": "*",
+                "ext-zip": "*",
+                "php-parallel-lint/php-parallel-lint": "^1.4.0",
+                "phpcompatibility/php-compatibility": "^9.0",
+                "yoast/phpunit-polyfills": "^1.0"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "PHPCSStandards\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\Plugin"
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPCSStandards\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Franck Nijhof",
+                    "email": "opensource@frenck.dev",
+                    "homepage": "https://frenck.dev",
+                    "role": "Open source developer"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/PHPCSStandards/composer-installer/graphs/contributors"
+                }
+            ],
+            "description": "PHP_CodeSniffer Standards Composer Installer Plugin",
+            "keywords": [
+                "PHPCodeSniffer",
+                "PHP_CodeSniffer",
+                "code quality",
+                "codesniffer",
+                "composer",
+                "installer",
+                "phpcbf",
+                "phpcs",
+                "plugin",
+                "qa",
+                "quality",
+                "standard",
+                "standards",
+                "style guide",
+                "stylecheck",
+                "tests"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPCSStandards/composer-installer/issues",
+                "security": "https://github.com/PHPCSStandards/composer-installer/security/policy",
+                "source": "https://github.com/PHPCSStandards/composer-installer"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/PHPCSStandards",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/jrfnl",
+                    "type": "github"
+                },
+                {
+                    "url": "https://opencollective.com/php_codesniffer",
+                    "type": "open_collective"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/phpcsstandards",
+                    "type": "thanks_dev"
+                }
+            ],
+            "time": "2025-07-17T20:45:56+00:00"
+        },
+        {
+            "name": "phpcsstandards/phpcsextra",
+            "version": "1.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCSStandards/PHPCSExtra.git",
+                "reference": "fa4b8d051e278072928e32d817456a7fdb57b6ca"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHPCSExtra/zipball/fa4b8d051e278072928e32d817456a7fdb57b6ca",
+                "reference": "fa4b8d051e278072928e32d817456a7fdb57b6ca",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4",
+                "phpcsstandards/phpcsutils": "^1.1.0",
+                "squizlabs/php_codesniffer": "^3.13.0 || ^4.0"
+            },
+            "require-dev": {
+                "php-parallel-lint/php-console-highlighter": "^1.0",
+                "php-parallel-lint/php-parallel-lint": "^1.4.0",
+                "phpcsstandards/phpcsdevcs": "^1.1.6",
+                "phpcsstandards/phpcsdevtools": "^1.2.1",
+                "phpunit/phpunit": "^4.5 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.3.4"
+            },
+            "type": "phpcodesniffer-standard",
+            "extra": {
+                "branch-alias": {
+                    "dev-stable": "1.x-dev",
+                    "dev-develop": "1.x-dev"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Juliette Reinders Folmer",
+                    "homepage": "https://github.com/jrfnl",
+                    "role": "lead"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/PHPCSStandards/PHPCSExtra/graphs/contributors"
+                }
+            ],
+            "description": "A collection of sniffs and standards for use with PHP_CodeSniffer.",
+            "keywords": [
+                "PHP_CodeSniffer",
+                "phpcbf",
+                "phpcodesniffer-standard",
+                "phpcs",
+                "standards",
+                "static analysis"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPCSStandards/PHPCSExtra/issues",
+                "security": "https://github.com/PHPCSStandards/PHPCSExtra/security/policy",
+                "source": "https://github.com/PHPCSStandards/PHPCSExtra"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/PHPCSStandards",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/jrfnl",
+                    "type": "github"
+                },
+                {
+                    "url": "https://opencollective.com/php_codesniffer",
+                    "type": "open_collective"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/phpcsstandards",
+                    "type": "thanks_dev"
+                }
+            ],
+            "time": "2025-06-14T07:40:39+00:00"
+        },
+        {
+            "name": "phpcsstandards/phpcsutils",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCSStandards/PHPCSUtils.git",
+                "reference": "65355670ac17c34cd235cf9d3ceae1b9252c4dad"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHPCSUtils/zipball/65355670ac17c34cd235cf9d3ceae1b9252c4dad",
+                "reference": "65355670ac17c34cd235cf9d3ceae1b9252c4dad",
+                "shasum": ""
+            },
+            "require": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.1 || ^0.5 || ^0.6.2 || ^0.7 || ^1.0",
+                "php": ">=5.4",
+                "squizlabs/php_codesniffer": "^3.13.0 || ^4.0"
+            },
+            "require-dev": {
+                "ext-filter": "*",
+                "php-parallel-lint/php-console-highlighter": "^1.0",
+                "php-parallel-lint/php-parallel-lint": "^1.4.0",
+                "phpcsstandards/phpcsdevcs": "^1.1.6",
+                "yoast/phpunit-polyfills": "^1.1.0 || ^2.0.0 || ^3.0.0"
+            },
+            "type": "phpcodesniffer-standard",
+            "extra": {
+                "branch-alias": {
+                    "dev-stable": "1.x-dev",
+                    "dev-develop": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "PHPCSUtils/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Juliette Reinders Folmer",
+                    "homepage": "https://github.com/jrfnl",
+                    "role": "lead"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/PHPCSStandards/PHPCSUtils/graphs/contributors"
+                }
+            ],
+            "description": "A suite of utility functions for use with PHP_CodeSniffer",
+            "homepage": "https://phpcsutils.com/",
+            "keywords": [
+                "PHP_CodeSniffer",
+                "phpcbf",
+                "phpcodesniffer-standard",
+                "phpcs",
+                "phpcs3",
+                "phpcs4",
+                "standards",
+                "static analysis",
+                "tokens",
+                "utility"
+            ],
+            "support": {
+                "docs": "https://phpcsutils.com/",
+                "issues": "https://github.com/PHPCSStandards/PHPCSUtils/issues",
+                "security": "https://github.com/PHPCSStandards/PHPCSUtils/security/policy",
+                "source": "https://github.com/PHPCSStandards/PHPCSUtils"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/PHPCSStandards",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/jrfnl",
+                    "type": "github"
+                },
+                {
+                    "url": "https://opencollective.com/php_codesniffer",
+                    "type": "open_collective"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/phpcsstandards",
+                    "type": "thanks_dev"
+                }
+            ],
+            "time": "2025-06-12T04:32:33+00:00"
+        },
+        {
+            "name": "squizlabs/php_codesniffer",
+            "version": "3.13.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
+                "reference": "5b5e3821314f947dd040c70f7992a64eac89025c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/5b5e3821314f947dd040c70f7992a64eac89025c",
+                "reference": "5b5e3821314f947dd040c70f7992a64eac89025c",
+                "shasum": ""
+            },
+            "require": {
+                "ext-simplexml": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.3.4"
+            },
+            "bin": [
+                "bin/phpcbf",
+                "bin/phpcs"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.x-dev"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Greg Sherwood",
+                    "role": "Former lead"
+                },
+                {
+                    "name": "Juliette Reinders Folmer",
+                    "role": "Current lead"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer/graphs/contributors"
+                }
+            ],
+            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+            "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer",
+            "keywords": [
+                "phpcs",
+                "standards",
+                "static analysis"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPCSStandards/PHP_CodeSniffer/issues",
+                "security": "https://github.com/PHPCSStandards/PHP_CodeSniffer/security/policy",
+                "source": "https://github.com/PHPCSStandards/PHP_CodeSniffer",
+                "wiki": "https://github.com/PHPCSStandards/PHP_CodeSniffer/wiki"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/PHPCSStandards",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/jrfnl",
+                    "type": "github"
+                },
+                {
+                    "url": "https://opencollective.com/php_codesniffer",
+                    "type": "open_collective"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/phpcsstandards",
+                    "type": "thanks_dev"
+                }
+            ],
+            "time": "2025-06-17T22:17:01+00:00"
+        },
+        {
+            "name": "wp-coding-standards/wpcs",
+            "version": "3.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/WordPress/WordPress-Coding-Standards.git",
+                "reference": "d2421de7cec3274ae622c22c744de9a62c7925af"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/WordPress/WordPress-Coding-Standards/zipball/d2421de7cec3274ae622c22c744de9a62c7925af",
+                "reference": "d2421de7cec3274ae622c22c744de9a62c7925af",
+                "shasum": ""
+            },
+            "require": {
+                "ext-filter": "*",
+                "ext-libxml": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlreader": "*",
+                "php": ">=5.4",
+                "phpcsstandards/phpcsextra": "^1.4.0",
+                "phpcsstandards/phpcsutils": "^1.1.0",
+                "squizlabs/php_codesniffer": "^3.13.0"
+            },
+            "require-dev": {
+                "php-parallel-lint/php-console-highlighter": "^1.0.0",
+                "php-parallel-lint/php-parallel-lint": "^1.4.0",
+                "phpcompatibility/php-compatibility": "^9.0",
+                "phpcsstandards/phpcsdevtools": "^1.2.0",
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0"
+            },
+            "suggest": {
+                "ext-iconv": "For improved results",
+                "ext-mbstring": "For improved results"
+            },
+            "type": "phpcodesniffer-standard",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/WordPress/WordPress-Coding-Standards/graphs/contributors"
+                }
+            ],
+            "description": "PHP_CodeSniffer rules (sniffs) to enforce WordPress coding conventions",
+            "keywords": [
+                "phpcs",
+                "standards",
+                "static analysis",
+                "wordpress"
+            ],
+            "support": {
+                "issues": "https://github.com/WordPress/WordPress-Coding-Standards/issues",
+                "source": "https://github.com/WordPress/WordPress-Coding-Standards",
+                "wiki": "https://github.com/WordPress/WordPress-Coding-Standards/wiki"
+            },
+            "funding": [
+                {
+                    "url": "https://opencollective.com/php_codesniffer",
+                    "type": "custom"
+                }
+            ],
+            "time": "2025-07-24T20:08:31+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {},
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {},
+    "platform-dev": {},
+    "plugin-api-version": "2.6.0"
+}
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
new file mode 100644
index 0000000..28cf8ef
--- /dev/null
+++ b/phpcs.xml.dist
@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<ruleset name="Helix Plugin – WordPress Coding Standards">
+    <description>Apply WordPress Coding Standards to the Helix plugin.</description>
+
+    <!-- Scan only this plugin -->
+    <file>./</file>
+
+    <!-- Ignore non-PHP and build artifacts -->
+    <exclude-pattern>node_modules/*</exclude-pattern>
+    <exclude-pattern>build/*</exclude-pattern>
+    <exclude-pattern>vendor/*</exclude-pattern>
+
+    <!-- PHPCS args -->
+    <arg name="basepath" value="."/>
+    <arg name="colors"/>
+    <arg name="extensions" value="php"/>
+
+    <!-- Apply WordPress rulesets (requires WPCS installed) -->
+    <rule ref="WordPress"/>
+    <rule ref="WordPress-Extra"/>
+    <rule ref="WordPress-Docs"/>
+
+    <!-- Optional: flag missing text domains in i18n functions -->
+    <rule ref="WordPress.WP.I18n">
+        <properties>
+            <property name="text_domain">
+                <element value="helix"/>
+            </property>
+        </properties>
+    </rule>
+</ruleset>
+