feat: configure development skills and Dash artwork

.changelog/development-skills-dash.md

@@ -0,0 +1,9 @@
+---
+category: added
+type: minor
+pull_request: 33
+---
+
+Add development-only LLM Skills configuration for the bundled Code Standards skill, trusted Fast Forward Composer donors, Changelog and Dash artwork instructions. Keep documentation-authoring skills outside the synchronized sources. Introduce contextual Dash artwork for the repository README.
+
+Centralize distribution exclusions in Git export-ignore attributes, preserving runtime configuration, the canonical consumer skill and the README artwork.

.gitattributes

@@ -0,0 +1,27 @@
+* text=auto
+*.php text eol=lf
+/bin/code-standards text eol=lf
+
+# Local state and synchronized copies never belong to package distributions.
+/.git export-ignore
+/vendor/ export-ignore
+/.agents/ export-ignore
+/.build/ export-ignore
+/.phpunit.cache/ export-ignore
+/packaging-consumer/ export-ignore
+
+# Contributor-only configuration and test infrastructure.
+/tests/ export-ignore
+/.github/workflows/ export-ignore
+/.github/ReleaseChannelUpdater.php export-ignore
+/.github/update-release-channels.php export-ignore
+/.github/update-release-channels.md export-ignore
+/AGENTS.md export-ignore
+/skills.json export-ignore
+/phpunit.xml export-ignore
+/.editorconfig export-ignore
+/.gitignore export-ignore
+/.gitattributes export-ignore
+/.changelog/ export-ignore
+
+# Keep src/, bin/, config/, resources/, composer.lock, README and its Dash image.

.gitignore

@@ -1,3 +1,5 @@
 /vendor/
 /.build/
 /.phpunit.cache/
+
+/.agents/skills/

README.md

@@ -1,5 +1,6 @@
 # Fast Forward Code Standards
 
+![Dash, the Fast Forward fox, aligning source cards to illustrate consistent code style.](docs/_static/mascot-banner.png)
 [![PHP](https://img.shields.io/badge/php-%5E8.3-777BB4?logo=php&logoColor=white)](composer.json)
 [![Composer Package](https://img.shields.io/badge/composer-fast--forward%2Fcode--standards-F28D1A?logo=composer&logoColor=white)](https://packagist.org/packages/fast-forward/code-standards)
 [![Tests](https://img.shields.io/github/actions/workflow/status/php-fast-forward/code-standards/repository-ci.yml?branch=main&label=tests)](https://github.com/php-fast-forward/code-standards/actions/workflows/repository-ci.yml)

composer.json

@@ -49,6 +49,7 @@
         "symplify/easy-coding-standard": "^13.3.8"
     },
     "require-dev": {
+        "llm/skills": "^1.15",
         "phpunit/phpunit": "^12.5",
         "symfony/filesystem": "^7.4 || ^8.0",
         "symfony/http-client": "^7.4 || ^8.0"
@@ -73,17 +74,6 @@
     "bin": [
         "bin/code-standards"
     ],
-    "archive": {
-        "exclude": [
-            "/vendor",
-            "/.build",
-            "/.phpunit.cache",
-            "/.git",
-            "/packaging-consumer",
-            "/.github/ReleaseChannelUpdater.php",
-            "/.github/update-release-channels.php"
-        ]
-    },
     "scripts": {
         "test": "phpunit",
         "check": [
@@ -96,7 +86,9 @@
     },
     "config": {
         "sort-packages": true,
-        "allow-plugins": false,
+        "allow-plugins": {
+            "llm/skills": true
+        },
         "platform": {
             "php": "8.3.0"
         }

skills.json

@@ -0,0 +1,35 @@
+{
+    "$schema": "https://raw.githubusercontent.com/roxblnfk/skills/1.15.0/resources/skills.schema.json",
+    "target": ".agents/skills",
+    "aliases": [],
+    "discovery": false,
+    "auto-sync": true,
+    "vendor-sources": false,
+    "dependencies": {
+        "composer": {
+            "trusted": [
+                "fast-forward/*"
+            ],
+            "trusted-replace": true
+        }
+    },
+    "sources": [
+        {
+            "from": "dir",
+            "path": "resources/skills"
+        },
+        {
+            "from": "github",
+            "package": "php-fast-forward/changelog",
+            "ref": "^0.4.0"
+        },
+        {
+            "from": "github",
+            "package": "php-fast-forward/.github",
+            "ref": "v0.3.0",
+            "skills": [
+                "fast-forward-dash-art"
+            ]
+        }
+    ]
+}