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/.github/workflows/ci.yml

@@ -0,0 +1,75 @@
+name: CI - Build & Test
+
+on:
+  push:
+    branches: [main, develop]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    services:
+      redis:
+        image: redis:7-alpine
+        ports: [6379:6379]
+      mysql:
+        image: mysql:8.0
+        env:
+          MYSQL_ROOT_PASSWORD: test
+          MYSQL_DATABASE: wbx_spring_test
+        ports: [3306:3306]
+        options: >-
+          --health-cmd="mysqladmin ping -h localhost"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=3
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: 'gradle'
+
+      - name: Grant execute permission
+        run: chmod +x gradlew
+
+      - name: Run Tests
+        run: ./gradlew test
+        env:
+          SPRING_DATASOURCE_URL: jdbc:mysql://localhost:3306/wbx_spring_test?useSSL=false&allowPublicKeyRetrieval=true
+          SPRING_DATASOURCE_USERNAME: root
+          SPRING_DATASOURCE_PASSWORD: test
+
+      - name: Upload Test Report
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-report
+          path: build/reports/tests/
+
+  build:
+    needs: test
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: 'gradle'
+
+      - name: Build JAR
+        run: chmod +x gradlew && ./gradlew bootJar
+
+      - name: Upload JAR
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-jar
+          path: build/libs/*.jar