phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

local_tests/test_array_simple.hako

@@ -0,0 +1,23 @@
+// ArrayBox簡単なテスト
+print("=== ArrayBox簡単なテスト ===")
+
+local arr
+arr = new ArrayBox()
+print("Created ArrayBox")
+
+// 要素を追加
+arr.push("Hello")
+arr.push("World")
+print("Added elements")
+
+// 長さを確認
+print("Length: " + arr.length())
+
+// 配列の内容を表示
+print("Array: " + arr.toString())
+
+// 要素を取得
+print("First element: " + arr.get(0))
+print("Second element: " + arr.get(1))
+
+print("\n=== Test complete! ===")