feat(llvm): Phase 97 Box/Policy refactoring complete

Box化完了:
- CallRoutePolicyBox: Call routing SSoT
- PrintArgMarshallerBox: Print marshalling SSoT
- TypeFactsBox: Type propagation SSoT
- PhiSnapshotPolicyBox: PHI contract SSoT
- PluginErrorContext: Structured error reporting

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

docs/development/current/main/10-Now.md

@@ -77,6 +77,13 @@
   - smoke: `tools/smokes/v2/profiles/integration/apps/phase97_json_loader_escape_llvm_exe.sh`（escape）
   - Phase 記録（入口）: `docs/development/current/main/phases/phase-97/README.md`
 
+## 2025‑12‑17：Phase 98（短報）
+
+- plugin loader に strict fail-fast を導入し（HAKO_JOINIR_STRICT=1）、FileBox/MapBox の LLVM EXE parity を持続可能に。
+  - smoke: `tools/smokes/v2/profiles/integration/apps/phase97_next_non_ws_llvm_exe.sh`
+  - smoke: `tools/smokes/v2/profiles/integration/apps/phase97_json_loader_escape_llvm_exe.sh`
+  - Phase 記録（入口）: `docs/development/current/main/phases/phase-98/README.md`
+
 ## 2025‑12‑14：現状サマリ
 
 （補足）docs が増えて迷子になったときの「置き場所ルール（SSOT）」: