chore: rename package to core/php-mcp

Aligns composer package name with forge repo path
(forge.lthn.ai/core/php-mcp). Part of host-uk/* → core/* migration.

Co-Authored-By: Virgil <virgil@lethean.io>

composer.json

@@ -1,11 +1,17 @@
 {
-    "name": "host-uk/core-mcp",
+    "name": "core/php-mcp",
     "description": "MCP (Model Context Protocol) tools module for Core PHP framework",
-    "keywords": ["laravel", "mcp", "ai", "tools", "claude"],
+    "keywords": [
+        "laravel",
+        "mcp",
+        "ai",
+        "tools",
+        "claude"
+    ],
     "license": "EUPL-1.2",
     "require": {
         "php": "^8.2",
-        "host-uk/core": "@dev"
+        "core/php-framework": "@dev"
     },
     "autoload": {
         "psr-4": {