Show AC on each tracker row

Combatant snapshots armor_class from the enemy when added (like maxHp),
shown as an "AC n" pill next to the name for quick hit checks. Migration
backfills existing combatants from their enemy.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

migrations/Version20260906173325.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20260906173325 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Snapshot armor class onto each combatant';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE combatant ADD armor_class SMALLINT DEFAULT 10 NOT NULL');
+        $this->addSql('UPDATE combatant c JOIN enemy e ON c.enemy_id = e.id SET c.armor_class = e.armor_class');
+        $this->addSql('ALTER TABLE combatant ALTER armor_class DROP DEFAULT');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE combatant DROP armor_class');
+    }
+}

src/Controller/TrackerController.php

@@ -77,6 +77,7 @@ class TrackerController extends AbstractController
                     (new Combatant())
                         ->setEnemy($enemy)
                         ->setLabel($label)
+                        ->setArmorClass($enemy->getArmorClass())
                         ->setMaxHp($enemy->getHitPoints())
                         ->setCurrentHp($enemy->getHitPoints())
                         ->setPosition($pos++)

src/Entity/Combatant.php

@@ -30,6 +30,9 @@ class Combatant
     #[ORM\Column(length: 120)]
     private string $label = '';
 
+    #[ORM\Column(type: Types::SMALLINT)]
+    private int $armorClass = 10;
+
     #[ORM\Column(type: Types::SMALLINT)]
     private int $maxHp = 1;
 
@@ -113,6 +116,18 @@ class Combatant
         return $this;
     }
 
+    public function getArmorClass(): int
+    {
+        return $this->armorClass;
+    }
+
+    public function setArmorClass(int $armorClass): static
+    {
+        $this->armorClass = $armorClass;
+
+        return $this;
+    }
+
     public function getMaxHp(): int
     {
         return $this->maxHp;

templates/tracker/show.html.twig

@@ -51,6 +51,7 @@
                             <div class="col-12 col-md-4">
                                 <div class="fw-semibold {{ c.isDown ? 'text-decoration-line-through' : '' }}">
                                     {{ c.label }}
+                                    <span class="badge rounded-pill text-bg-secondary ms-1" title="Armor Class">AC {{ c.armorClass }}</span>
                                     {% if c.isDown %}<span class="badge text-bg-secondary ms-1">Down</span>{% endif %}
                                 </div>
                                 {% if c.enemy %}