Remove detailed tenancy references from boost resources for better clarity and maintainability

resources/boost/skills/laravel-tenancy/references/rls.md

@@ -0,0 +1,33 @@
+# PostgreSQL RLS Reference
+
+Use this when implementing single-database PostgreSQL row-level security.
+
+## Source Files
+
+- `src/Bootstrappers/PostgresRLSBootstrapper.php`
+- `src/RLS/*`
+- `src/Database/Concerns/RLSModel.php`
+- `src/Commands/CreateUserWithRLSPolicies.php`
+- `tests/RLS/*`
+
+## Config
+
+- `rls.manager`
+- `rls.user.username`
+- `rls.user.password`
+- `rls.session_variable_name`
+- `PostgresRLSBootstrapper` in `bootstrappers`
+
+## Command
+
+```bash
+php artisan tenants:rls
+php artisan tenants:rls --force
+```
+
+## Rules
+
+- Use PostgreSQL and single-database tenancy.
+- Session variable name must be namespaced, for example `my.current_tenant`.
+- RLS user is one tenant database user for all tenants, not one user per tenant.
+- Test policies on every tenant-owned table.