Initial commit: WBX Spring Framework Core

Spring Boot 3.5.0 + Java 21 기반 엔터프라이즈 프레임워크
- Auth: JWT, MFA/TOTP, OAuth2 SSO, PasswordPolicy, LoginHistory
- RBAC: Role-Permission, DeptScope, Redis 캐시
- Approval: Handler 패턴 결재 엔진
- Notification: SSE 실시간 알림
- File: Local/Azure Blob/AWS S3/GCP Storage
- DataSource: Multi-DB 라우팅 (MySQL/PG/Oracle/MSSQL)
- Admin: Thymeleaf 11화면 콘솔
- Compat: WBX FastAPI 호환 (에러/페이징)
- Flyway: 4종 DBMS 마이그레이션
- Scripts: install.bat/sh, deploy-prod.sh
- Docs: 설치가이드(OnPremise/Cloud), 개발자가이드 PDF

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

.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