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

examples/semantics_test_array.hako

@@ -0,0 +1,16 @@
+// Semantics test - Array operations
+
+static box Main {
+    main() {
+        local arr, value
+        arr = new ArrayBox()
+        
+        // ArrayGet/ArraySet test
+        arr.push(10)
+        arr.push(20)
+        arr.push(30)
+        
+        value = arr.get(1)  // Should be 20
+        return value
+    }
+}