macro(if normalize): add print-if normalization golden and runner

apps/tests/macro_golden_if_print.nyash

@@ -0,0 +1,2 @@
+print(if (1 < 2) { 10 } else { 20 })
+

tools/test/golden/macro/if_print.expanded.json

@@ -0,0 +1,8 @@
+{"kind":"Program","statements":[
+  {"kind":"If","condition":{"kind":"BinaryOp","op":"<","left":{"kind":"Literal","value":{"type":"int","value":1}},"right":{"kind":"Literal","value":{"type":"int","value":2}}},"then":[
+    {"kind":"Print","expression":{"kind":"Literal","value":{"type":"int","value":10}}}
+  ],"else":[
+    {"kind":"Print","expression":{"kind":"Literal","value":{"type":"int","value":20}}}
+  ]}
+]}
+

tools/test/golden/macro/if_print_user_macro_golden.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+root=$(cd "$(dirname "$0")"/../../../.. && pwd)
+bin="$root/target/release/nyash"
+src="apps/tests/macro_golden_if_print.nyash"
+golden="$root/tools/test/golden/macro/if_print.expanded.json"
+
+if [ ! -x "$bin" ]; then
+  echo "nyash binary not found at $bin; build first (cargo build --release)" >&2
+  exit 1
+fi
+
+export NYASH_MACRO_ENABLE=1
+export NYASH_MACRO_PATHS="apps/macros/examples/if_match_normalize_macro.nyash"
+
+normalize_json() {
+  python3 -c 'import sys,json; print(json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(",",":")))'
+}
+
+out_raw=$("$bin" --dump-expanded-ast-json "$src")
+out_norm=$(printf '%s' "$out_raw" | normalize_json)
+gold_norm=$(normalize_json < "$golden")
+
+if [ "$out_norm" != "$gold_norm" ]; then
+  echo "Golden mismatch (if-print normalization)" >&2
+  diff -u <(echo "$out_norm") <(echo "$gold_norm") || true
+  exit 2
+fi
+
+echo "[OK] golden if-print normalization matched"
+