feat : add Task entities, repositories and migration

Add Task, TaskStatus, TaskEffort, TaskPriority, TaskType, TaskGroup
entities with Doctrine mappings and API Platform CRUD operations.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/Entity/TaskEffort.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Entity;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Delete;
+use ApiPlatform\Metadata\Get;
+use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\Patch;
+use ApiPlatform\Metadata\Post;
+use App\Repository\TaskEffortRepository;
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Serializer\Attribute\Groups;
+
+#[ApiResource(
+    operations: [
+        new GetCollection(),
+        new Get(),
+        new Post(security: "is_granted('ROLE_ADMIN')"),
+        new Patch(security: "is_granted('ROLE_ADMIN')"),
+        new Delete(security: "is_granted('ROLE_ADMIN')"),
+    ],
+    normalizationContext: ['groups' => ['task_effort:read']],
+    denormalizationContext: ['groups' => ['task_effort:write']],
+    order: ['label' => 'ASC'],
+)]
+#[ORM\Entity(repositoryClass: TaskEffortRepository::class)]
+class TaskEffort
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column]
+    #[Groups(['task_effort:read', 'task:read'])]
+    private ?int $id = null;
+
+    #[ORM\Column(length: 50)]
+    #[Groups(['task_effort:read', 'task_effort:write', 'task:read'])]
+    private ?string $label = null;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getLabel(): ?string
+    {
+        return $this->label;
+    }
+
+    public function setLabel(string $label): static
+    {
+        $this->label = $label;
+
+        return $this;
+    }
+}