Initialize RTGS prototype repository

3센터 A-A-A RTGS 실시간총액결제 프로토타입 최초 버전관리 시작.
- backend: Kotlin/Gradle 멀티모듈(sequencer, common, 채널/센터 모듈)
- frontend: Vite + TS
- infra: docker-compose, prometheus/grafana, ELK 네이티브 스크립트
- loadtest(k6), sim(장애/순서/정합성 시나리오), docs(PoC 보고서/복원력방안)

infra/start-infra-native.cmd

@@ -0,0 +1,45 @@
+@echo off
+rem ===================================================================
+rem RTGS 네이티브 인프라 기동 (Docker 대체 - 이 PC는 가상화 미지원).
+rem   PostgreSQL(:5433)  + Kafka(:9092, KRaft 단일노드)
+rem   문서저장(원전문/조회사본)도 PostgreSQL 사용(MongoDB는 EDR 파일락으로 제외).
+rem 멱등: 이미 초기화/기동돼 있으면 건너뜀.
+rem ===================================================================
+call C:\ai-dev\scripts\env.cmd
+set "JAVA_HOME=%JDK21_HOME%"
+set "PGBIN=%DEV_HOME%\apps\postgresql-16.4\bin"
+set "PGDATA=%DEV_HOME%\home\pgsql-data"
+set "KAFKA=%DEV_HOME%\apps\kafka-3.8.1"
+set "KDATA=%DEV_HOME%\home\kafka"
+set "KAFKA_HEAP_OPTS=-Xmx1G -Xms1G"
+
+rem ---------- PostgreSQL ----------
+if not exist "%PGDATA%\PG_VERSION" (
+  echo [infra] initdb PostgreSQL cluster...
+  "%PGBIN%\initdb.exe" -D "%PGDATA%" -U rtgs -E UTF8 --locale=C -A trust
+)
+"%PGBIN%\pg_ctl.exe" status -D "%PGDATA%" >nul 2>&1
+if errorlevel 1 (
+  echo [infra] starting PostgreSQL :5433...
+  "%PGBIN%\pg_ctl.exe" -D "%PGDATA%" -o "-p 5433" -l "%PGDATA%\server.log" -w start
+) else (
+  echo [infra] PostgreSQL already running.
+)
+rem create db if missing (스키마/시드는 Flyway가 담당 — LouisVuitton 기동 시 V1__baseline 부터 적용)
+"%PGBIN%\psql.exe" -h localhost -p 5433 -U rtgs -d postgres -tAc "SELECT 1 FROM pg_database WHERE datname='rtgs'" | findstr "1" >nul
+if errorlevel 1 (
+  echo [infra] creating empty db rtgs [schema by Flyway]...
+  "%PGBIN%\createdb.exe" -h localhost -p 5433 -U rtgs rtgs
+)
+
+rem ---------- Kafka (KRaft) ----------
+if not exist "%KDATA%\kraft-logs\meta.properties" (
+  echo [infra] formatting Kafka KRaft storage...
+  for /f "delims=" %%i in ('%KAFKA%\bin\windows\kafka-storage.bat random-uuid') do set "CID=%%i"
+  "%KAFKA%\bin\windows\kafka-storage.bat" format -t %CID% -c "%KDATA%\server.properties"
+)
+echo [infra] starting Kafka :9092 (new window; keep it open)...
+start "RTGS Kafka :9092" cmd /k "%KAFKA%\bin\windows\kafka-server-start.bat %KDATA%\server.properties"
+
+echo.
+echo [infra] PostgreSQL :5433 (db rtgs), Kafka :9092 up. (MongoDB not used - docs in PostgreSQL)