feat(utils, templates, docs): file-based templates + stronger README

problems/0042-answer-to-everything/test/run_tests.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+set -e
+
+echo "🧪 執行測試: 0042-answer-to-everything"
+echo "=========================="
+
+pushd "$(dirname "$0")" >/dev/null
+
+echo "📋 C# 測試結果:"
+if (cd ../csharp && dotnet build >/dev/null 2>&1); then
+  if dotnet test --logger "console;verbosity=minimal" >/dev/null 2>&1; then
+    echo "✅ C# 測試通過"
+  else
+    echo "❌ C# 測試失敗"
+  fi
+else
+  echo "❌ C# 編譯失敗"
+fi
+
+echo ""
+echo "📋 Go 測試結果:"
+if (cd ../go && go build >/dev/null 2>&1); then
+  if go test -v >/dev/null 2>&1; then
+    echo "✅ Go 測試通過"
+  else
+    echo "❌ Go 測試失敗（顯示詳細）"
+    go test -v
+  fi
+else
+  echo "❌ Go 編譯失敗"
+fi
+
+popd >/dev/null
+echo ""
+echo "📊 測試完成！"
+