diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1b2c4de
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,16 @@
+# Exclude non-PHP files from Composer dist archives
+*.go              export-ignore
+go.mod            export-ignore
+go.sum            export-ignore
+cmd/              export-ignore
+bin/              export-ignore
+docker/           export-ignore
+changelog/        export-ignore
+tests/            export-ignore
+.core/            export-ignore
+.forgejo/         export-ignore
+phpunit.xml       export-ignore
+phpstan.neon      export-ignore
+qa.yaml           export-ignore
+CLAUDE.md         export-ignore
+CONTRIBUTING.md   export-ignore
diff --git a/composer.json b/composer.json
index eea4d2e..eed6dc0 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,5 @@
 {
-    "name": "core/php",
+    "name": "lthn/php",
     "description": "Modular monolith framework for Laravel - event-driven architecture with lazy module loading",
     "keywords": [
         "laravel",
@@ -88,5 +88,8 @@
         }
     },
     "minimum-stability": "stable",
-    "prefer-stable": true
+    "prefer-stable": true,
+    "replace": {
+        "core/php": "self.version"
+    }
 }