feat(mcp) : add CRUD tools for Pieces, Composants, Machines

- 5 tools each: list, get, create, update, delete
- Piece: includes typePiece, constructeurs, prix (string)
- Composant: includes typeComposant, constructeurs, prix (string)
- Machine: includes site (required), constructeurs
- 40 MCP tests pass total

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/Mcp/Tool/Machine/ListMachinesTool.php

@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Mcp\Tool\Machine;
+
+use App\Mcp\Tool\McpToolHelper;
+use App\Repository\MachineRepository;
+use Mcp\Capability\Attribute\McpTool;
+
+#[McpTool(
+    name: 'list_machines',
+    description: 'List machines with pagination. Filterable by name or reference.',
+)]
+class ListMachinesTool
+{
+    use McpToolHelper;
+
+    public function __construct(
+        private readonly MachineRepository $machines,
+    ) {}
+
+    public function __invoke(int $page = 1, int $limit = 30, string $search = ''): array
+    {
+        $p = $this->paginationParams($page, $limit);
+
+        $countQb = $this->machines->createQueryBuilder('m')
+            ->select('COUNT(m.id)')
+        ;
+
+        $qb = $this->machines->createQueryBuilder('m')
+            ->select('m.id', 'm.name', 'm.reference', 'm.prix')
+            ->orderBy('m.name', 'ASC')
+        ;
+
+        if ('' !== $search) {
+            $countQb->andWhere('LOWER(m.name) LIKE LOWER(:search) OR LOWER(m.reference) LIKE LOWER(:search)')
+                ->setParameter('search', "%{$search}%")
+            ;
+            $qb->andWhere('LOWER(m.name) LIKE LOWER(:search) OR LOWER(m.reference) LIKE LOWER(:search)')
+                ->setParameter('search', "%{$search}%")
+            ;
+        }
+
+        $total = (int) $countQb->getQuery()->getSingleScalarResult();
+
+        $items = $qb->setFirstResult($p['offset'])
+            ->setMaxResults($p['limit'])
+            ->getQuery()
+            ->getArrayResult()
+        ;
+
+        return $this->paginatedResponse($items, $total, $p['page'], $p['limit']);
+    }
+}