runner: split modes (mir/vm/llvm/bench) and extract plugin init; interpreter: split objects into ops/methods/fields; VM logs gated; Phi selection minimal fix; CURRENT_TASK updated; remove legacy backups

local_tests/test_return_42.nyash

@@ -1,2 +1,5 @@
-// Simple return test
-return 42
+static box Main {
+    main() {
+        return 42
+    }
+}

local_tests/test_simple.nyash

@@ -1,9 +1,19 @@
-# Simple test without external calls
-static box Main {
-    init { result }
-    
-    main() {
-        me.result = "Simple test"
-        return me.result
-    }
-}
+// 簡単なNyashテストプログラム
+print("🎉 Nyash is working!")
+print("Everything is Box!")
+
+// 基本的な演算
+local a = 10
+local b = 20
+local result = a + b
+print("10 + 20 = " + result.toString())
+
+// StringBox
+local greeting = "Hello, Nyash!"
+print(greeting)
+
+// ArrayBox
+local arr = new ArrayBox()
+arr.push("First")
+arr.push("Second")
+print("Array length: " + arr.length().toString())