Add Laravel Truss for live schema diagrams.

Install albertoarena/laravel-truss as a local-only tool so /truss and the optional Truss MCP server can inspect structure without exposing row data.

README.md

@@ -280,6 +280,20 @@ composer test
 php artisan test
 ```
 
+## Schema viewer (Laravel Truss)
+
+[Laravel Truss](https://github.com/albertoarena/laravel-truss) is installed as a **dev** dependency. In `local`, open:
+
+```
+/truss
+```
+
+It shows a live ER diagram of your schema (structure only, never row data). Optional agent MCP:
+
+```bash
+php artisan mcp:start truss
+```
+
 ## License
 
 MIT