[CLAUDE] Docs: Harness-4 two-tier runtime-VERIFIED (spawn-test 2 chiều post-restart) + email-back AI_INFRA

- Spawn-test 2 chiều S57bis: H1 tooling-auditor (demote pin) self-report claude-opus-4-8[1m] + H2 harvest-curator (promote inherit) self-report claude-fable-5[1m] → nấc executed-file/PENDING-RESTART → RUNTIME-VERIFIED (adap-report §2/§5 + STATUS row). [1m] 1M-resolve SE tự verify.
- Email update 2026-06-11-se-to-ai_infra-harness-4-runtime-verified (nac sent, sha ecf1d587, honest n=1/chiều, hmw.js executed-file giữ) + _index OUTBOUND.
- Lesson env: CCD harness cache agent frontmatter — restart CLI mới ăn (2 data-point 06-10/06-11).
- Bundle 06-10 carry: 7 agent pin opus-4-8 + 4 inherit + hmw.js tier-map H4.5 + agents/README two-tier + 2 adap-report + email 06-10 + agent-memory delta (KEEP-ALL-5 H2-verified) + investigator L1→L2 archive curate.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.claude/agents/investigator-api.md

@@ -2,7 +2,7 @@
 name: investigator-api
 description: |
   Read-only EXTERNAL research specialist for SOLUTION_ERP. WebFetch/WebSearch official docs (Anthropic engineering, .NET 10 / EF Core 10 / ASP.NET, React 19 / Vite 8 / TanStack Query, shadcn/ui), NuGet + npm CVE/dependency eval, FE library evaluation (license + bundle size impact — vd FullCalendar v6 MIT verify), reference project pattern audit (NamGroup / DH_Y_DUOC / BVAAU cross-project), community sentiment research. EXTERNAL-focused — KHÔNG audit internal codebase or SQL schema (đó là investigator-codebase). NEVER writes code — only returns concise structured findings with source URLs.
-model: inherit
+model: claude-opus-4-8
 tools: [Read, Bash, WebFetch, WebSearch, mcp__rag-unified__search_memory, mcp__rag-unified__search_code, mcp__rag-unified__cross_project_search, mcp__rag-unified__list_projects]
 skills:
   - dependency-audit-erp