Phase 21.2 Complete: VM Adapter正規実装 + devブリッジ完全撤去

## 🎉 Phase 21.2完全達成

### ✅ 実装完了
- VM static box 永続化（singleton infrastructure）
- devブリッジ完全撤去（adapter_dev.rs削除、by-name dispatch削除）
- .hako正規実装（MirCallV1Handler, AbiAdapterRegistry等）
- text-merge経路完全動作
- 全phase2120 adapter reps PASS（7テスト）

### 🐛 バグ修正
1. strip_local_decl修正
   - トップレベルのみlocal削除、メソッド内は保持
   - src/runner/modes/common_util/hako.rs:29

2. static box フィールド永続化
   - MirInterpreter singleton storage実装
   - me parameter binding修正（1:1マッピング）
   - getField/setField string→singleton解決
   - src/backend/mir_interpreter/{mod,exec,handlers/boxes_object_fields}.rs

3. Map.len alias rc=0修正
   - [map/missing]パターン検出でnull扱い（4箇所）
   - lang/src/vm/boxes/mir_call_v1_handler.hako:91-93,131-133,151-153,199-201

### 📁 主要変更ファイル

#### Rust（VM Runtime）
- src/backend/mir_interpreter/mod.rs - static box singleton storage
- src/backend/mir_interpreter/exec.rs - parameter binding fix
- src/backend/mir_interpreter/handlers/boxes_object_fields.rs - singleton resolution
- src/backend/mir_interpreter/handlers/calls.rs - dev bridge removal
- src/backend/mir_interpreter/utils/mod.rs - adapter_dev module removal
- src/backend/mir_interpreter/utils/adapter_dev.rs - DELETED (7555 bytes)
- src/runner/modes/vm.rs - static box declaration collection
- src/runner/modes/common_util/hako.rs - strip_local_decl fix
- src/instance_v2.rs - Clone implementation

#### Hako (.hako実装)
- lang/src/vm/boxes/mir_call_v1_handler.hako - [map/missing] detection
- lang/src/vm/boxes/abi_adapter_registry.hako - NEW (adapter registry)
- lang/src/vm/helpers/method_alias_policy.hako - method alias support

#### テスト
- tools/smokes/v2/profiles/quick/core/phase2120/s3_vm_adapter_*.sh - 7 new tests

### 🎯 テスト結果
```
✅ s3_vm_adapter_array_len_canary_vm.sh
✅ s3_vm_adapter_array_len_per_recv_canary_vm.sh
✅ s3_vm_adapter_array_length_alias_canary_vm.sh
✅ s3_vm_adapter_array_size_alias_canary_vm.sh
✅ s3_vm_adapter_map_len_alias_state_canary_vm.sh
✅ s3_vm_adapter_map_length_alias_state_canary_vm.sh
✅ s3_vm_adapter_map_size_struct_canary_vm.sh
```

環境フラグ: HAKO_ABI_ADAPTER=1 HAKO_ABI_ADAPTER_DEV=0

### 🏆 設計品質
- ✅ ハードコード禁止（AGENTS.md 5.1）完全準拠
- ✅ 構造的・一般化設計（特定Box名のif分岐なし）
- ✅ 後方互換性保持（既存コード破壊ゼロ）
- ✅ text-merge経路（.hako依存関係正しくマージ）

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

tools/hako_check/cli.hako

@@ -0,0 +1,98 @@
+// tools/hako_check/cli.hako — HakoAnalyzerBox (MVP)
+using tools.hako_check.analysis_consumer as HakoAnalysisBuilderBox
+using tools.hako_check.rules.rule_include_forbidden as RuleIncludeForbiddenBox
+using tools.hako_check.rules.rule_using_quoted as RuleUsingQuotedBox
+using tools.hako_check.rules.rule_static_top_assign as RuleStaticTopAssignBox
+using tools.hako_check.rules.rule_global_assign as RuleGlobalAssignBox
+using tools.hako_check.rules.rule_dead_methods as RuleDeadMethodsBox
+using tools.hako_check.rules.rule_jsonfrag_usage as RuleJsonfragUsageBox
+
+static box HakoAnalyzerBox {
+  run(args) {
+    if args == null || args.size() < 1 { print("[lint/error] missing paths"); return 2 }
+    // options: --format {text|dot|json}
+    local fmt = "text"
+    local start = 0
+    if args.size() >= 2 && args.get(0) == "--format" {
+      fmt = args.get(1)
+      start = 2
+    }
+    if args.size() <= start { print("[lint/error] missing paths"); return 2 }
+    local fail = 0
+    local irs = new ArrayBox()
+    // for i in start..(args.size()-1)
+    local i = start
+    while i < args.size() {
+      local p = args.get(i)
+      local f = new FileBox(); if f.open(p) == 0 { print("[lint/error] cannot open: " + p); fail = fail + 1; continue }
+      local text = f.read(); f.close()
+      // pre-sanitize (ASCII quotes, normalize newlines) — minimal & reversible
+      text = me._sanitize(text)
+      // analysis
+      local ir = HakoAnalysisBuilderBox.build_from_source(text, p)
+      irs.push(ir)
+      // rules that work on raw source
+      local out = new ArrayBox()
+      RuleIncludeForbiddenBox.apply(text, p, out)
+      RuleUsingQuotedBox.apply(text, p, out)
+      RuleStaticTopAssignBox.apply(text, p, out)
+      RuleGlobalAssignBox.apply(text, p, out)
+      RuleJsonfragUsageBox.apply(text, p, out)
+      // rules that need IR (enable dead code detection)
+      RuleDeadMethodsBox.apply_ir(ir, p, out)
+      // flush
+      // for j in 0..(n-1)
+    local n = out.size(); if n > 0 && fmt == "text" {
+        local j = 0; while j < n { print(out.get(j)); j = j + 1 }
+      }
+      fail = fail + n
+      i = i + 1
+    }
+    // optional DOT/JSON output (MVP: dot only)
+    if fmt == "dot" { me._render_dot_multi(irs) }
+    // return number of findings as RC
+    return fail
+  }
+  _sanitize(text) {
+    if text == null { return text }
+    // Normalize CRLF -> LF and convert fancy quotes to ASCII
+    local out = ""
+    local n = text.length()
+    for i in 0..(n-1) {
+      local ch = text.substring(i, i+1)
+      // drop CR
+      if ch == "\r" { continue }
+      // fancy double quotes → ASCII
+      if ch == "“" || ch == "”" { out = out.concat("\""); continue }
+      // fancy single quotes → ASCII
+      if ch == "‘" || ch == "’" { out = out.concat("'"); continue }
+      out = out.concat(ch)
+    }
+    return out
+  }
+  _render_dot_multi(irs) {
+    // Minimal DOT: emit method nodes; edges omitted in MVP
+    print("digraph Hako {")
+    if irs == null { print("}"); return 0 }
+    local i = 0
+    while i < irs.size() {
+      local ir = irs.get(i)
+      if ir != null {
+        local ms = ir.get("methods")
+        if ms != null {
+          local j = 0
+          while j < ms.size() {
+            local name = ms.get(j)
+            print("  \"" + name + "\";")
+            j = j + 1
+          }
+        }
+      }
+      i = i + 1
+    }
+    print("}")
+    return 0
+  }
+}
+
+static box HakoAnalyzerCliMain { method main(args) { return HakoAnalyzerBox.run(args) } }