feat: WTM 멀티프로젝트 플랫폼 구축 (BE + FE 전체 구현)

Phase 0: wbx-spring-core 라이브러리 전환
- java-library 플러그인, WbxAutoConfiguration, Admin 조건부 활성화
- 루트 settings.gradle + build.gradle (멀티모듈)

Phase 1: wtm-api 모듈 생성
- 23개 JPA Entity, 14개 Controller, 79개 API 엔드포인트
- Flyway V100~V107 MySQL 마이그레이션
- TimesheetRuleEngine, TimesheetApprovalHandler, P6WbsParser

Phase 2: wtm-frontend (Vue 3 + PrimeVue 4)
- 10개 도메인 모듈, 17개 View, 5개 서브컴포넌트
- 반응형 레이아웃 (AppLayout, AppSidebar, AppTopbar)
- BaseCrudTable, BaseFormDialog, BasePageHeader 표준 컴포넌트
- JWT 인터셉터, 역할 기반 메뉴 필터링

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

wbx-spring-core/docker-compose-dev.yml

@@ -0,0 +1,42 @@
+# WBX Spring Framework — 로컬 개발 인프라
+# 사용법: docker compose -f docker-compose-dev.yml up -d
+#
+# MySQL(:3306) + PostgreSQL(:5432) + Redis(:6379) 동시 실행
+# --profile mysql  → MySQL만
+# --profile pg     → PostgreSQL만
+
+services:
+  mysql:
+    image: mysql:8.0
+    profiles: ["mysql", "default"]
+    ports:
+      - "3306:3306"
+    environment:
+      MYSQL_DATABASE: mos
+      MYSQL_USER: jsh
+      MYSQL_PASSWORD: jsh@
+      MYSQL_ROOT_PASSWORD: rootpassword
+    volumes:
+      - mysql_dev:/var/lib/mysql
+    command: --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
+
+  postgresql:
+    image: postgres:16-alpine
+    profiles: ["pg"]
+    ports:
+      - "5432:5432"
+    environment:
+      POSTGRES_DB: mos
+      POSTGRES_USER: jsh
+      POSTGRES_PASSWORD: jsh@
+    volumes:
+      - pg_dev:/var/lib/postgresql/data
+
+  redis:
+    image: redis:7-alpine
+    ports:
+      - "6379:6379"
+
+volumes:
+  mysql_dev:
+  pg_dev: