Phase 1: 실동작 Enduro/X + PostgreSQL XA 매입 슬라이스

- Enduro/X 7.0.12 소스빌드 이미지(-DENABLE_POSTGRES=ON, libndrxxaecpg XA 스위치)
- docker-compose: postgres(max_prepared_transactions=100) + endurox app
- ECPG XA 서비스 3종: ACQUIRE→RECONCILE→SETTLE (tpservice + EXEC SQL)
- 클라이언트 tpbegin/tpcall체인/tpcommit → tmsrv 2PC(prepare/commit) 원자 커밋
- 검증: 서비스 AVAIL, 커밋 row(status=S) psql 확인, 롤백 시 무잔존, pg_prepared_xacts=0
- 규명된 런타임 요건: sysctl fs.mqueue.*, ulimit msgqueue/nofile, XA open-str JSON
- docs/architecture.md, README, service-catalog 설계

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/conf/app.ini

@@ -0,0 +1,31 @@
+[@global]
+NDRX_CLUSTERISED=1
+NDRX_CMDWAIT=1
+NDRX_CONFIG=${NDRX_APPHOME}/conf/ndrxconfig.xml
+NDRX_DMNLOG=${NDRX_APPHOME}/log/ndrxd.log
+NDRX_DPID=${NDRX_APPHOME}/tmp/ndrxd.pid
+NDRX_DQMAX=100
+NDRX_IPCKEY=44100
+NDRX_LDBAL=0
+NDRX_LEV=5
+NDRX_LOG=${NDRX_APPHOME}/log/xadmin.log
+NDRX_MSGMAX=100
+NDRX_MSGSIZEMAX=56000
+NDRX_NODEID=1
+NDRX_QPATH=/dev/mqueue
+NDRX_QPREFIX=/acq
+NDRX_RNDK=0myWI5nu
+NDRX_SRVMAX=10000
+NDRX_SVCMAX=20000
+NDRX_TOUT=90
+NDRX_UBFMAXFLDS=16000
+NDRX_LIBEXT=so
+NDRX_ULOG=${NDRX_APPHOME}/log
+FIELDTBLS=acq.fd
+FLDTBLDIR=${NDRX_APPHOME}/ubftab
+
+[@debug]
+; * - goes for all binaries not listed below
+*= ndrx=5 ubf=1 tp=5 file=
+xadmin= ndrx=5 ubf=1 tp=5 file=${NDRX_APPHOME}/log/xadmin.log
+ndrxd= ndrx=5 ubf=1 tp=5 file=${NDRX_APPHOME}/log/ndrxd.log