From 61b7735afc3ea9279d614f5bee8cb1f3aafa6c2b Mon Sep 17 00:00:00 2001
From: ArthurErlich <a.erlich@live.de>
Date: Sat, 30 May 2026 14:13:51 +0200
Subject: [PATCH] refactor(renderer): add strict_types declaration and make
 class final

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 src/Service/SvgRenderer.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Service/SvgRenderer.php b/src/Service/SvgRenderer.php
index 2682a81..00ee8d3 100644
--- a/src/Service/SvgRenderer.php
+++ b/src/Service/SvgRenderer.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App\Service;
 
 /**
@@ -11,7 +13,7 @@ namespace App\Service;
  *  - Month labels above, weekday labels (Mon/Wed/Fri) on the left
  *  - 5 intensity levels (0–4) matched to GitHub's colour palette
  */
-class SvgRenderer
+final class SvgRenderer
 {
     // GitHub's exact colour tokens
     private const THEMES = [