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/src/main/resources/application-example.yml

@@ -0,0 +1,69 @@
+spring:
+  application:
+    name: wbx-spring-core
+
+  jpa:
+    hibernate:
+      ddl-auto: update
+    open-in-view: false
+    database-platform: org.hibernate.dialect.MySQLDialect
+    properties:
+      hibernate:
+        default_batch_fetch_size: 100
+        format_sql: true
+        dialect: org.hibernate.dialect.MySQLDialect
+
+  flyway:
+    enabled: false  # 개발 시 hibernate ddl-auto 사용, 프로덕션 시 true
+
+  datasource:
+    url: jdbc:mysql://${DB_HOST:ws.ubuilder.co.kr}:${DB_PORT:3306}/${DB_NAME:mos}?useUnicode=true&characterEncoding=UTF-8&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=Asia/Seoul
+    username: ${DB_USER:jsh}
+    password: ${DB_PASS:jsh@}
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    hikari:
+      maximum-pool-size: 20
+      minimum-idle: 5
+      connection-timeout: 30000
+
+  data:
+    redis:
+      host: localhost
+      port: 6379
+
+server:
+  port: 8080
+  forward-headers-strategy: native
+  servlet:
+    context-path: ${SERVER_CONTEXT_PATH:/}
+
+# WBX Spring Framework
+wbx:
+  spring:
+    api-prefix: /api
+    jwt:
+      secret: ${JWT_SECRET:wbx-spring-dev-secret-key-change-in-production-minimum-256-bits-long}
+      expiration: 28800
+    cors:
+      allowed-origins: ${CORS_ORIGINS:http://localhost:5173,http://localhost:3000,http://localhost:8080}
+    notification:
+      sse-enabled: true
+      heartbeat-seconds: 30
+
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,metrics
+  endpoint:
+    health:
+      show-details: when-authorized
+
+springdoc:
+  api-docs:
+    path: /api-docs
+  swagger-ui:
+    path: /swagger-ui
+  packages-to-scan: kr.co.accura.wbx.spring
+
+spring.mvc.problemdetail.enabled: false