diff --git a/README.md b/README.md
index c99cc31..973f000 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Composable collector configuration, one fragment per class of machine — what t
 
 | | |
 |---|---|
-| [otel-profiles](otel-profiles/) | `linux-host` · `gpu-nvidia` · `baremetal-node` · `virt-kvm` · `virt-vsphere` |
+| [otel-profiles](otel-profiles/) | `linux-host` · `windows-host` · `gpu-nvidia` · `baremetal-node` · `virt-kvm` · `virt-vsphere` · `mysql` · `aws-rds-mysql` |
 
 ### 🧰 ClickStack config (`clickstack-config/`)
 
@@ -52,13 +52,14 @@ self-hosted and Cloud by environment alone.
 |---|---|
 | [clickstack-config](clickstack-config/) | log/trace/metric sources, a dashboard, an alert and a webhook |
 
+The local stack and the Cloud target every lab above runs against, with a readiness check and an end-to-end telemetry check, are in [`_base/`](_base/).
+
 ### 🗺 Roadmap
 
 Planned — not written yet.
 
 | Path | Plan |
 |------|------|
-| `_base/` | ClickStack all-in-one compose (Win/Mac/Linux), Cloud `.env.example`, ingestion check SQL |
 | `labs/otel-schema` | `otel_logs`, `otel_traces`, `otel_metrics_*`: layout, sort keys, attribute Map/JSON |
 | `labs/ingestion` | OTel Collector ClickHouse exporter, batching, async insert, sampling |
 | `labs/hyperdx-sources` | Log/Trace/Metric source setup and required mappings |
@@ -133,7 +134,7 @@ ClickHouse 기반 관측성 실습입니다. OpenTelemetry 수집, ClickStack/Hy
 
 | | |
 |---|---|
-| [otel-profiles](otel-profiles/) | `linux-host` · `gpu-nvidia` · `baremetal-node` · `virt-kvm` · `virt-vsphere` |
+| [otel-profiles](otel-profiles/) | `linux-host` · `windows-host` · `gpu-nvidia` · `baremetal-node` · `virt-kvm` · `virt-vsphere` · `mysql` · `aws-rds-mysql` |
 
 ### 🧰 ClickStack 설정 (`clickstack-config/`)
 
@@ -144,13 +145,14 @@ source·대시보드·알림을 하나의 Terraform 설정으로 관리하며, s
 |---|---|
 | [clickstack-config](clickstack-config/) | log/trace/metric source, 대시보드, 알림, 웹훅 |
 
+위 실습이 모두 실행되는 로컬 스택과 Cloud 대상, 준비 상태 확인과 텔레메트리 end-to-end 확인은 [`_base/`](_base/)에 있습니다.
+
 ### 🗺 로드맵
 
 계획만 있고 아직 작성하지 않은 실습입니다.
 
 | 경로 | 계획 |
 |------|------|
-| `_base/` | ClickStack all-in-one compose(Win/Mac/Linux), Cloud 연결 `.env.example`, 수집 확인 SQL |
 | `labs/otel-schema` | `otel_logs`, `otel_traces`, `otel_metrics_*` 구조, 정렬 키, 속성 Map/JSON |
 | `labs/ingestion` | OTel Collector ClickHouse exporter, 배치·async insert, 샘플링 |
 | `labs/hyperdx-sources` | Log/Trace/Metric source 설정과 필수 매핑 |
diff --git a/labs/ch2otel/README.md b/labs/ch2otel/README.md
index 05d5e7b..5aa633d 100644
--- a/labs/ch2otel/README.md
+++ b/labs/ch2otel/README.md
@@ -29,8 +29,9 @@ ch2otel/
 ├── scripts/
 │   ├── status.sh                 # Check RMV and table status
 │   └── refresh.sh                # Manually refresh all RMVs
-└── sql/
-    └── ch2otel-template.sql      # SQL template for deployment
+├── sql/
+│   └── ch2otel-template.sql      # SQL template for deployment
+└── archive_sql_v0/               # Earlier multi-part SQL scripts (v2.1.0), kept for reference
 ```
 
 ### 🚀 Quick Start
@@ -192,8 +193,9 @@ ch2otel/
 ├── scripts/
 │   ├── status.sh                 # RMV 및 테이블 상태 확인
 │   └── refresh.sh                # 모든 RMV 수동 갱신
-└── sql/
-    └── ch2otel-template.sql      # 배포용 SQL 템플릿
+├── sql/
+│   └── ch2otel-template.sql      # 배포용 SQL 템플릿
+└── archive_sql_v0/               # 이전 버전의 분할 SQL 스크립트(v2.1.0), 참고용으로 보관
 ```
 
 ### 🚀 빠른 시작
diff --git a/labs/privatelink-gateway/README.md b/labs/privatelink-gateway/README.md
index bb5bd78..158a23e 100644
--- a/labs/privatelink-gateway/README.md
+++ b/labs/privatelink-gateway/README.md
@@ -193,6 +193,8 @@ V5 and V7 controls ran once against a local ClickHouse 26.9.7.9 container.
 | `terraform/` | the ClickHouse service and `ip_access`, three VPCs and the Transit Gateway, the endpoint and its private hosted zone, the NLB, EC2 with SSM, and MSK behind `enable_kafka` |
 | `collector/` | `gateway-durable` (file-storage queue, long retry), `gateway-default` (defaults), `agent`, `ingest-kafka`, `consumer-kafka` — `otel/opentelemetry-collector-contrib:0.155.0` |
 | `bin/` | `setup.sh` (ingest user and databases), `check.sh <V1…V8, K1…K6>`, `outage.sh block/unblock` |
+| `sql/` | `00-ingest-user.sql` (the ingest user's grants, sent by `setup.sh`), `counts.sql` and `dupes.sql` (row counts and duplicate spans per run, used by `check.sh`) |
+| `results/` | each `check.sh` run writes its result lines to `<UTC date>-<id>.txt` here |
 
 ```bash
 export AWS_PROFILE=<profile>
@@ -489,6 +491,8 @@ SQL과 V5, V7 제어 실험은 로컬 ClickHouse 26.9.7.9 컨테이너에서 한
 | `terraform/` | ClickHouse 서비스와 `ip_access`, VPC 셋과 Transit Gateway, endpoint와 private hosted zone, NLB, SSM을 쓰는 EC2, `enable_kafka`로 켜는 MSK |
 | `collector/` | `gateway-durable`(file storage queue, 긴 retry), `gateway-default`(기본값), `agent`, `ingest-kafka`, `consumer-kafka` — `otel/opentelemetry-collector-contrib:0.155.0` |
 | `bin/` | `setup.sh`(수집 사용자와 데이터베이스), `check.sh <V1…V8, K1…K6>`, `outage.sh block/unblock` |
+| `sql/` | `00-ingest-user.sql`(수집 사용자 권한, `setup.sh`가 전송), `counts.sql`과 `dupes.sql`(run별 행 수와 중복 span, `check.sh`가 사용) |
+| `results/` | `check.sh`를 실행할 때마다 결과 줄을 `<UTC 날짜>-<id>.txt`로 여기에 씁니다 |
 
 ```bash
 export AWS_PROFILE=<profile>