docs(real-host): calibrate acceptance truth surfaces

docs/PRODUCTION_CLOSURE_BOARD.md

@@ -14,6 +14,7 @@
   - MiniMax 上游 `/chat/completions` = `HTTP 403 insufficient_user_quota`，当前验证 key 不具备真实 completion 流量能力。
 - 汇总证据：`artifacts/real-host-acceptance/20260521_064910_completion_smoke_calibration.md`
 - 调通细节与经验沉淀：`docs/REAL_HOST_ACCEPTANCE_LEARNINGS.md`
+- 代码/本地运行态门禁已于 2026-05-21 再次独立复跑：`gofmt -l .`、`go vet ./...`、`go test ./... -count=1`、`go test -race ./... -count=1`、`go test -cover ./internal/... -count=1`、`go test ./tests/integration/... -count=1` 全通过；并额外验证了本机 CRM(18100) `GET /healthz` / `GET /api/hosts` = `200`，以及 fresh smoke 实例 `127.0.0.1:18101` 可启动并返回 `GET /healthz = ok`、`GET /api/hosts = {"hosts":[]}`。
 
 ## 当前门控结论
 
@@ -32,6 +33,7 @@
 | Local runtime smoke | ✅ PASS | `go build ./cmd/{server,cli}`、`GET /healthz`、`GET /api/hosts` |
 | Local OCI image | ✅ PASS | `docker build -f Dockerfile.local -t sub2api-cn-relay-manager:local .` |
 | Real-host acceptance tooling | ✅ READY | `docs/REAL_HOST_ACCEPTANCE_RUNBOOK.md` + `scripts/real_host_acceptance.sh` |
+| Harness regression self-check | ✅ PASS | `bash ./scripts/test_real_host_scripts.sh` |
 | `self_service` 真实宿主 fresh redeploy 复验 | ⚠️ HISTORICAL PASS | `artifacts/real-host-acceptance/20260518_redeploy_matrix`：历史 fresh redeploy host 可打通；当前不再作为唯一真相来源 |
 | `subscription` 真实宿主 latest-head fresh host 复验 | ✅ PASS | MiniMax：`artifacts/real-host-acceptance/20260521_011544_remote43_minimax_key_import`；DeepSeek：`artifacts/real-host-acceptance/20260521_011717_remote43_deepseek_key_import`；两条 provider 均 `subscription_ready` |
 | stale CRM / channel pricing 缺口 | ✅ CLOSED | 宿主 `GET /api/v1/admin/channels/5` 与 `/channels/4` 已返回非空 `model_pricing` + `model_mapping` |