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/README.md

@@ -10,7 +10,7 @@
 - 実行:
 ```
 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
-  ./target/release/nyash --backend vm examples/jit_map_get_param_hh.nyash
+  ./target/release/nyash --backend vm examples/jit_map_get_param_hh.hako
 ```
 - 期待: `allow id: nyash.map.get_hh` イベントが出る。戻り値は `value1`。
 
@@ -19,7 +19,7 @@ NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
 - 実行:
 ```
 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
-  ./target/release/nyash --backend vm examples/jit_policy_optin_mutating.nyash
+  ./target/release/nyash --backend vm examples/jit_policy_optin_mutating.hako
 ```
 - 期待: 1回目は `policy_denied_mutating` でfallback、whitelist後の2回目はallow。
 
@@ -36,7 +36,7 @@ NYASH_JIT_EVENTS_RUNTIME=1 NYASH_JIT_EVENTS_PATH=events.jsonl ...
 - 目的: GCのカウント/トレース/バリア観測の導線確認（VM経路）。
 - 実行:
 ```
-./target/release/nyash --backend vm examples/gc_counting_demo.nyash
+./target/release/nyash --backend vm examples/gc_counting_demo.hako
 ```
 - Tips: 詳細ログは `NYASH_GC_COUNTING=1 NYASH_GC_TRACE=2` を併用。
 
@@ -45,7 +45,7 @@ NYASH_JIT_EVENTS_RUNTIME=1 NYASH_JIT_EVENTS_PATH=events.jsonl ...
 - 実行（しきい値=1を明示／またはDebugConfigBoxでapply後にRunnerが自動設定）:
 ```
 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 \
-  ./target/release/nyash --backend vm examples/jit_policy_whitelist_demo.nyash
+  ./target/release/nyash --backend vm examples/jit_policy_whitelist_demo.hako
 ```
 - 期待: `policy_events.jsonl` に `phase:"lower"`（計画）と `phase:"execute"`（実績）が出る。
 
@@ -61,12 +61,12 @@ NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 \
 - 事前: `cargo build --release --features cranelift-jit`
 - 実行例（String/Integer/Consoleの最小）:
 ```
-./target/release/nyash --compile-native examples/aot_min_string_len.nyash -o app && ./app
+./target/release/nyash --compile-native examples/aot_min_string_len.hako -o app && ./app
 # 結果は `Result: <val>` として標準出力に表示
 ```
 - Python最小チェーン（RO）:
 ```
-./target/release/nyash --compile-native examples/aot_py_min_chain.nyash -o app && ./app
+./target/release/nyash --compile-native examples/aot_py_min_chain.hako -o app && ./app
 ```
 - スクリプト版（詳細な手順）: `tools/build_aot.sh <file> -o <out>`（Windowsは `tools/build_aot.ps1`）
 
@@ -75,6 +75,6 @@ NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 \
 - 実行（デモ）:
 ```
 NYASH_SCHED_DEMO=1 NYASH_SCHED_POLL_BUDGET=2 \
-  ./target/release/nyash --backend vm examples/scheduler_demo.nyash
+  ./target/release/nyash --backend vm examples/scheduler_demo.hako
 ```
 - 期待: `[SCHED] immediate task ran at safepoint` と `[SCHED] delayed task ran at safepoint` が出力

examples/aot_min_string_len.hako

@@ -1,11 +1,11 @@
 // Minimal function for AOT/JIT plugin_invoke with String.length()
 // Run JIT demo:
 //   NYASH_USE_PLUGIN_BUILTINS=1 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
-//     ./target/release/nyash --backend vm examples/aot_min_string_len.nyash
+//     ./target/release/nyash --backend vm examples/aot_min_string_len.hako
 // Generate .o (if compiled):
 //   NYASH_AOT_OBJECT_OUT=target/aot_objects \ 
 //   NYASH_USE_PLUGIN_BUILTINS=1 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
-//     ./target/release/nyash --backend vm examples/aot_min_string_len.nyash
+//     ./target/release/nyash --backend vm examples/aot_min_string_len.hako
 
 static box Main {
   len1(s) {

examples/aot_py_eval_env_min.hako

@@ -4,7 +4,7 @@
 // - PyRuntimeBox.eval() with zero args reads NYASH_PY_EVAL_CODE on the host side.
 // - Avoids StringBox and println to minimize unsupported JIT lowerings.
 // - Build AOT:
-//     bash tools/build_python_aot.sh examples/aot_py_eval_env_min.nyash -o app
+//     bash tools/build_python_aot.sh examples/aot_py_eval_env_min.hako -o app
 // - Run:
 //     NYASH_PY_EVAL_CODE="(__import__('math').sqrt)(9)" ./app
 

examples/aot_py_eval_kwargs_env.hako

@@ -4,7 +4,7 @@
 //   cargo build --release --features cranelift-jit
 // Run:
 //   NYASH_PY_EVAL_CODE="(__import__('builtins').int)(**{'x':'FF','base':16})" \
-//     ./target/release/nyash --compile-native examples/aot_py_eval_kwargs_env.nyash -o app && \
+//     ./target/release/nyash --compile-native examples/aot_py_eval_kwargs_env.hako -o app && \
 //     NYASH_PY_EVAL_CODE="(__import__('builtins').int)(**{'x':'FF','base':16})" ./app
 
 static box Main {

examples/aot_py_min_chain.hako

@@ -1,7 +1,7 @@
 // AOT Python minimal chain: import -> getattr -> call
 // Build AOT (example):
 //   cargo build --release --features cranelift-jit
-//   ./target/release/nyash --compile-native examples/aot_py_min_chain.nyash -o app && ./app
+//   ./target/release/nyash --compile-native examples/aot_py_min_chain.hako -o app && ./app
 
 static box Main {
   main() {

examples/aot_py_result_err.hako

@@ -1,7 +1,7 @@
 // AOT Python evalR Err demo (returns Result.Err)
 // Build:
 //   cargo build --release --features cranelift-jit
-//   ./target/release/nyash --compile-native examples/aot_py_result_err.nyash -o app && ./app
+//   ./target/release/nyash --compile-native examples/aot_py_result_err.hako -o app && ./app
 
 static box Main {
   main() {

examples/aot_py_result_ok.hako

@@ -1,7 +1,7 @@
 // AOT Python evalR OK demo (returns Result.Ok)
 // Build:
 //   cargo build --release --features cranelift-jit
-//   ./target/release/nyash --compile-native examples/aot_py_result_ok.nyash -o app && ./app
+//   ./target/release/nyash --compile-native examples/aot_py_result_ok.hako -o app && ./app
 
 static box Main {
   main() {

examples/array_plugin_demo.hako

@@ -1,7 +1,7 @@
 // ArrayBox plugin demo
 // Requires: plugins/nyash-array-plugin built (release) and nyash.toml updated
 // Run:
-//   NYASH_CLI_VERBOSE=1 ./target/release/nyash --backend vm examples/array_plugin_demo.nyash
+//   NYASH_CLI_VERBOSE=1 ./target/release/nyash --backend vm examples/array_plugin_demo.hako
 
 static box Main {
   main() {

examples/array_plugin_set_demo.hako

@@ -2,7 +2,7 @@
 // Build plugin:
 //   (cd plugins/nyash-array-plugin && cargo build --release)
 // Run (plugin host auto-loads from nyash.toml):
-//   NYASH_CLI_VERBOSE=1 ./target/release/nyash --backend vm examples/array_plugin_set_demo.nyash
+//   NYASH_CLI_VERBOSE=1 ./target/release/nyash --backend vm examples/array_plugin_set_demo.hako
 
 static box Main {
   main() {

examples/console_native_simple.hako

@@ -1,6 +1,6 @@
 // ConsoleBox native build test - simplest version
 // Build native:
-//   ./tools/build_aot.sh examples/console_native_simple.nyash console_simple
+//   ./tools/build_aot.sh examples/console_native_simple.hako console_simple
 
 static box Main {
   main() {

examples/console_native_test.hako

@@ -1,7 +1,7 @@
 // ConsoleBox native build test - minimal example
 // Build native:
 //   cargo build --release --features cranelift-jit
-//   ./tools/build_aot.sh examples/console_native_test.nyash console_app
+//   ./tools/build_aot.sh examples/console_native_test.hako console_app
 
 static box Main {
   greet(name) {

examples/cycle_a.hako

@@ -1,5 +1,5 @@
 // Cycle test A -> B -> A
-using "examples/cycle_b.nyash"
+using "examples/cycle_b.hako"
 
 static box A {
   main() {

examples/cycle_b.hako

@@ -1,5 +1,5 @@
 // Cycle test B -> A
-using "examples/cycle_a.nyash"
+using "examples/cycle_a.hako"
 
 static box B {
   main() {

examples/gc_counting_demo.hako

@@ -1,6 +1,6 @@
 // GC Counting demo (VM path) — verifies CountingGc counters and barrier sites
 // Run:
-//   ./target/release/nyash --backend vm examples/gc_counting_demo.nyash
+//   ./target/release/nyash --backend vm examples/gc_counting_demo.hako
 // Expect (with trace): [GC] counters: safepoints>0 read_barriers>=0 write_barriers>=0
 
 static box Main {

examples/include_expr_test.hako

@@ -1,6 +1,6 @@
 static box Main {
   main() {
-    using "examples/include_math.nyash" as include_math
+    using "examples/include_math.hako" as include_math
     return include_math
   }
 }

examples/include_main.hako

@@ -1,6 +1,6 @@
 static box Main {
   main() {
-    using "examples/include_math.nyash" as Math
+    using "examples/include_math.hako" as Math
     local r = Math.add(1, 2)
     return r
   }

examples/jit_direct_bool_ret.hako

@@ -1,7 +1,7 @@
 // jit-direct: boolean return normalization
 // Build: cargo build --release --features cranelift-jit
 // Run:   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
-//        ./target/release/nyash --jit-direct examples/jit_direct_bool_ret.nyash
+//        ./target/release/nyash --jit-direct examples/jit_direct_bool_ret.hako
 
 static box Main {
   main() {

examples/jit_direct_f64_ret.hako

@@ -1,7 +1,7 @@
 // jit-direct: f64 return demo
 // Build: cargo build --release --features cranelift-jit
 // Run:   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 \
-//        ./target/release/nyash --jit-direct examples/jit_direct_f64_ret.nyash
+//        ./target/release/nyash --jit-direct examples/jit_direct_f64_ret.hako
 
 static box Main {
   main() {

examples/jit_direct_local_store_load.hako

@@ -1,7 +1,7 @@
 // jit-direct: minimal local Store/Load path
 // Build: cargo build --release --features cranelift-jit
 // Run:   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
-//        ./target/release/nyash --jit-direct examples/jit_direct_local_store_load.nyash
+//        ./target/release/nyash --jit-direct examples/jit_direct_local_store_load.hako
 
 static box Main {
   main() {

examples/jit_f64_e2e_add_compare.hako

@@ -1,7 +1,7 @@
 // f64 E2E demo (Cranelift JIT)
 // Build: cargo build --release --features cranelift-jit
 // Run:   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 \
-//        ./target/release/nyash --backend vm examples/jit_f64_e2e_add_compare.nyash
+//        ./target/release/nyash --backend vm examples/jit_f64_e2e_add_compare.hako
 
 static box Main {
   main() {

examples/jit_hostcall_array_append.hako

@@ -1,5 +1,5 @@
 // Fallback case: Array.append/push is mutating; with read-only policy it should fallback
-// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 ./target/release/nyash --backend vm examples/jit_hostcall_array_append.nyash
+// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 ./target/release/nyash --backend vm examples/jit_hostcall_array_append.hako
 
 static box Main {
   main() {

examples/jit_hostcall_array_push_mutating.hako

@@ -2,7 +2,7 @@
 // Expect: decision="fallback", reason="policy_denied_mutating"
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 NYASH_JIT_HOSTCALL=1 \
-//     ./target/release/nyash --backend vm examples/jit_hostcall_array_push_mutating.nyash
+//     ./target/release/nyash --backend vm examples/jit_hostcall_array_push_mutating.hako
 
 static box Main {
   main() {

examples/jit_hostcall_len_string.hako

@@ -1,5 +1,5 @@
 // Success case: String.length() via JIT hostcall (read-only)
-// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 ./target/release/nyash --backend vm examples/jit_hostcall_len_string.nyash
+// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 ./target/release/nyash --backend vm examples/jit_hostcall_len_string.hako
 
 static box Main {
   main() {

examples/jit_hostcall_map_get_handle.hako

@@ -2,7 +2,7 @@
 // Expect: decision="allow", arg_types=["Handle","Handle"]
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 NYASH_JIT_HOSTCALL=1 \
-//     ./target/release/nyash --backend vm examples/jit_hostcall_map_get_handle.nyash
+//     ./target/release/nyash --backend vm examples/jit_hostcall_map_get_handle.hako
 
 static box Main {
   main() {

examples/jit_hostcall_math_sin_allow_float.hako

@@ -1,7 +1,7 @@
 // Allow case: math.sin expects f64; JIT records sig_ok (allow) and VM executes (thin bridge)
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_allow_float.nyash
+//     ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_allow_float.hako
 
 static box Main {
   main() {

examples/jit_hostcall_math_sin_allow_int_coerce.hako

@@ -1,7 +1,7 @@
 // Allow via coercion: math.sin expects f64; integer arg coerces i64->f64 in signature check
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_allow_int_coerce.nyash
+//     ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_allow_int_coerce.hako
 
 static box Main {
   main() {

examples/jit_hostcall_math_sin_mismatch.hako

@@ -1,5 +1,5 @@
 // Boundary case: math.sin expects f64; v0 emits sig_mismatch fallback event
-// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_mismatch.nyash
+// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_mismatch.hako
 
 static box Main {
   main() {

examples/jit_map_get_param_hh.hako

@@ -2,7 +2,7 @@
 // Expect: JIT hostcall allow for nyash.map.get_hh (Handle,Handle)
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_map_get_param_hh.nyash
+//     ./target/release/nyash --backend vm examples/jit_map_get_param_hh.hako
 
 box Helper {
   birth() {

examples/jit_math_function_style_abs_float.hako

@@ -1,7 +1,7 @@
 // Function-style math: abs(x)
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_math_function_style_abs_float.nyash
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_abs_float.hako
 
 static box Main {
   main() {

examples/jit_math_function_style_cos_float.hako

@@ -1,7 +1,7 @@
 // Function-style math: cos(x)
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_math_function_style_cos_float.nyash
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_cos_float.hako
 
 static box Main {
   main() {

examples/jit_math_function_style_max_float.hako

@@ -1,7 +1,7 @@
 // Function-style math: max(a,b)
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_math_function_style_max_float.nyash
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_max_float.hako
 
 static box Main {
   main() {

examples/jit_math_function_style_min_float.hako

@@ -1,7 +1,7 @@
 // Function-style math: min(a,b)
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_math_function_style_min_float.nyash
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_min_float.hako
 
 static box Main {
   main() {

examples/jit_math_function_style_sin_float.hako

@@ -1,7 +1,7 @@
 // Function-style math: sin(x) should normalize to MathBox.sin(x)
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_math_function_style_sin_float.nyash
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_sin_float.hako
 
 static box Main {
   main() {

examples/jit_math_min_relax_numeric.hako

@@ -2,7 +2,7 @@
 // Expect: decision="allow(coerce_f64)", arg_types=["I64","F64"]
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_RELAX_NUMERIC=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_math_min_relax_numeric.nyash
+//     ./target/release/nyash --backend vm examples/jit_math_min_relax_numeric.hako
 
 static box Main {
   main() {

examples/jit_math_native_f64.hako

@@ -2,7 +2,7 @@
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 \
 //   NYASH_JIT_EVENTS=1 NYASH_JIT_NATIVE_F64=1 \
-//     ./target/release/nyash --backend vm examples/jit_math_native_f64.nyash
+//     ./target/release/nyash --backend vm examples/jit_math_native_f64.hako
 
 box Runner {
   birth() {

examples/jit_plugin_invoke_box_helper.hako

@@ -4,7 +4,7 @@
 // Run:
 //   NYASH_USE_PLUGIN_BUILTINS=1 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
 //   NYASH_JIT_SHIM_TRACE=1 NYASH_CLI_VERBOSE=1 \
-//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_box_helper.nyash
+//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_box_helper.hako
 
 box Helper {
   helper(arr) {

examples/jit_plugin_invoke_global_helper.hako

@@ -4,7 +4,7 @@
 // Run:
 //   NYASH_USE_PLUGIN_BUILTINS=1 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
 //   NYASH_JIT_SHIM_TRACE=1 NYASH_CLI_VERBOSE=1 \
-//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_global_helper.nyash
+//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_global_helper.hako
 
 helper(arr) {
   // JIT target: plugin_invoke on parameter only

examples/jit_plugin_invoke_param_array.hako

@@ -9,7 +9,7 @@
 // Run (JIT helper only):
 //   NYASH_USE_PLUGIN_BUILTINS=1 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
 //   NYASH_JIT_SHIM_TRACE=1 NYASH_CLI_VERBOSE=1 \
-//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_param_array.nyash
+//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_param_array.hako
 
 static box Main {
   main() {

examples/jit_plugin_invoke_static_helper.hako

@@ -4,7 +4,7 @@
 // Run:
 //   NYASH_USE_PLUGIN_BUILTINS=1 NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 \
 //   NYASH_JIT_SHIM_TRACE=1 NYASH_CLI_VERBOSE=1 \
-//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_static_helper.nyash
+//   ./target/release/nyash --backend vm examples/jit_plugin_invoke_static_helper.hako
 
 static box Helper {
   static helper(arr) {

examples/jit_policy_optin_mutating.hako

@@ -3,7 +3,7 @@
 // 2) Whitelist nyash.array.push_h → allow + execute
 // Run:
 //   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
-//     ./target/release/nyash --backend vm examples/jit_policy_optin_mutating.nyash
+//     ./target/release/nyash --backend vm examples/jit_policy_optin_mutating.hako
 
 box Helper {
   birth() {}

examples/jit_policy_whitelist_demo.hako

@@ -2,7 +2,7 @@
 // Goal: show fallback on read_only, then allow after whitelist.
 // Run (Cranelift enabled recommended):
 //   cargo build --release -j32 --features cranelift-jit
-//   NYASH_JIT_HOSTCALL=1 ./target/release/nyash --backend vm examples/jit_policy_whitelist_demo.nyash
+//   NYASH_JIT_HOSTCALL=1 ./target/release/nyash --backend vm examples/jit_policy_whitelist_demo.hako
 // Check events file:
 //   cat policy_events.jsonl  # contains phase=lower/execute decisions