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/build/resources/main/application-prod.yml

@@ -0,0 +1,52 @@
+# ===== WBX Spring Framework — 프로덕션 프로필 =====
+# 사용법: java -jar app.jar --spring.profiles.active=prod,mysql
+#         java -jar app.jar --spring.profiles.active=prod,postgresql
+
+server:
+  port: 8080
+  forward-headers-strategy: native
+  servlet:
+    context-path: ${SERVER_CONTEXT_PATH:/}
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: validate  # 프로덕션: Flyway 사용, DDL 검증만
+    open-in-view: false
+    properties:
+      hibernate:
+        default_batch_fetch_size: 100
+
+  flyway:
+    enabled: true
+
+wbx:
+  spring:
+    jwt:
+      secret: ${JWT_SECRET}
+      expiration: 28800
+    cors:
+      allowed-origins: ${CORS_ORIGINS:https://app.company.com}
+    notification:
+      sse-enabled: true
+      heartbeat-seconds: 30
+
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,metrics,prometheus
+  endpoint:
+    health:
+      show-details: when-authorized
+
+springdoc:
+  swagger-ui:
+    enabled: false  # 프로덕션 Swagger 비활성화
+
+logging:
+  level:
+    root: WARN
+    kr.co.accura.wbx.spring: INFO
+  file:
+    name: ${LOG_PATH:/opt/wbx-app/logs/app.log}