feat: add hintType and hintData columns to GameRow entity

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

src/Entity/GameRow.php

@@ -29,6 +29,12 @@ class GameRow
     #[ORM\Column]
     private int $rowOrder;
 
+    #[ORM\Column(length: 20, nullable: true)]
+    private ?string $hintType = null;
+
+    #[ORM\Column(length: 255, nullable: true)]
+    private ?string $hintData = null;
+
     public function getId(): ?int
     {
         return $this->id;
@@ -81,4 +87,28 @@ class GameRow
 
         return $this;
     }
+
+    public function getHintType(): ?string
+    {
+        return $this->hintType;
+    }
+
+    public function setHintType(string $hintType): static
+    {
+        $this->hintType = $hintType;
+
+        return $this;
+    }
+
+    public function getHintData(): ?string
+    {
+        return $this->hintData;
+    }
+
+    public function setHintData(string $hintData): static
+    {
+        $this->hintData = $hintData;
+
+        return $this;
+    }
 }