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

docs/development/refactoring/MASTER_REFACTORING_PLAN.md

@@ -342,7 +342,7 @@ impl VMManager {
 
 #### **JSON v0 完全ローダー**
 ```nyash
-// apps/selfhost/vm/json_loader.nyash
+// apps/selfhost/vm/json_loader.hako
 static box JSONLoader {
     parse_mir_module(json_string: StringBox) -> MirModuleBox {
         local root = me.parse_json_object(json_string)
@@ -422,7 +422,7 @@ static box JSONLoader {
 
 #### **MIR14命令完全実装**
 ```nyash
-// apps/selfhost/vm/mir_executor.nyash
+// apps/selfhost/vm/mir_executor.hako
 static box MirExecutor {
     stack: ArrayBox
     heap: MapBox
@@ -607,7 +607,7 @@ static box MirExecutor {
 ./tools/test/phase1/mini_vm_vs_pyvm.sh
 
 # 期待する成功例
-echo '{"functions": [{"name": "main", "body": [...]}]}' | ./mini_vm.nyash
+echo '{"functions": [{"name": "main", "body": [...]}]}' | ./mini_vm.hako
 # → PyVMと同一の出力
 ```
 

docs/development/refactoring/candidates_phase15.md

@@ -30,7 +30,7 @@ High‑Value Candidates
 
 Low‑Risk Cleanups
 - Tools scripts: dedupe `tools/*smoke*.sh` into `tools/smokes/` with common helpers (env, timeout, exit filtering).
-- Tests naming: prefer `*_test.rs` and `apps/tests/*.nyash` consistency for smokes.
+- Tests naming: prefer `*_test.rs` and `apps/tests/*.hako` consistency for smokes.
 - Logging: add `NYASH_CLI_VERBOSE` guards consistently; provide `runner::trace!(...)` macro for concise on/off.
 
 Suggested Sequencing